ORDER NO. KME8112002-C5
Service Manual Color Television Monitor
CT-1110B Chassis
No. NMX-K8A
Main Manual
The service technician is required to read and follow the “Safety Precautions” and ‘‘Important Safety Notice’’ in
this service manual.
Specifications
Power Input:
Power Consumption:
Antenna Impedance:
Receiving Channels:
Intermediate
Frequency:
Semiconductors:
Integrated Circuits:
Anode Voltage:
Sound Output:
Speaker:
Q Tl-Lock:
Panasonic.
120 volts, 60 Hz, AC
49 watts average 1.0 ampere max.
UHF 300 2 Balanced
VHF 300 22 Balanced
75 Q Coaxial
2 — 13 (VHF), 14 — 83 (UHF)
Video |-F carrier 45.75 MHz
Sound I-F carrier’ 41.25 MHz
Color sub carrier 42.17 MHz
17 transistors
35 diodes
1 posistor
5
24 kV +1kvV (Zero Beam Current) 1.0 watt (10 % Distortion)
3 inches Round Type,
Dynamic Voice Coil 16 2
One button adjustment for Tint and
Color
Automatic Circuit: | Automatic Fine Tuning
Peak Value AGC
Automatic Voltage Regulator
Automatic Beam Limiter
Automatic Frequency and
Phase Control
Automatic Horizontal
Frequency Control
Automatic Degaussing
Automatic Noise Caneller
Automatic Color Control
Picture Tube: 290KB22 52 square inches
10 inches measured diagonally’
90° deflection Quintrix I, In-Line Dimensions: Height: 12-% inches (325 mm)
Width: —11-% inches (290 mm)
Depth: §13-% inches (328 mm}
Weight: 18-% Ibs. (8.3 kg)
Weight and dimensions shown are approximate.
Panasonic Company Panasonic Hawaii Inc. Panasonic Sales Company, Division of Matsushita Electric 91-238 Kauhi St. Ewa Beach Division of Matsushita Electric Corporation of America P.O. Box 774 of Puerto Rico, inc. One Panasonic Way, Secaucus, Honolulu, Hawaii 96808-0774 Ave, 65 De infanteria, KM 9.7 New Jersey 07094 Victoria Industrial Park
Specifications are subject to change without notice.
Carolina, Puerto Rico 00630
CT-1110B
CONTENTS SAFETY PRECAUTIONS. ............-25
DISASSEMBLY INSTRUCTIONS .......... FIELD ADJUSTMENT. .............000- GENERAL ALIGNMENT...............- CIRCUIT EXPLANATION......... Ph brat tes
CONDUCTOR VIEWS.............-005: SCHEMATIC DIAGRAM.............--- EXPLODED VIEWS ......... Lindi Grats REPLACEMENT PARTS LIST ............
THIS MODEL COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J APPLICABLE AT DATE OF MANUFACTURE.
on the schematic diagram and on the replacement parts list.
replaced with .manufacturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards. Do not
ABBREVIATIONS USED IN THIS MANUAL
ABL Automatic Beam Limiter
ACC Automatic Color Control
AGC Automatic Gain Control
AFT Automatic Fine Tuning
APF Active Power Filter
APC Automatic Phase Control
AVR Automatic Voltage Regulator
SAFETY PRECAUTIONS GENERAL GUIDELINES 1. It is advisable to: insert an isolation transformer in the
power line and AC supply before servicing a hot chassis.
. When servicing, observe the original lead dress; especially
the lead dress in the high voltage circuits. If a short
circuit is found, replace all parts which have been
overheated or.damaged by the short circuit.
. After servicing, see to it that all the protective devices
such as insulation barriers, insulation papers, shields, and
isolation R-C combinations, are properly installed.
. Before turning the receiver on, measure the resistance
between B+ line and chassis.ground. Connect © side of
an ohmmeter to the B+ lines, and @ side to chassis
gound: © Each. line should have more resistance than
spedified, as follows:
modify the original design without permission of Matsushita Electric.
eee
4 IMPORTANT SAFETY NOTICE @2222 53a" 7
There are special components used in Panasonic TV sets which are important for safety. These parts are shaded ‘|
Le It is essential that these critical parts should be es
See
Sree cone See eee
CRT Cathode Ray Tube
DY Deflection Yoke
FBT Flyback Transformer
OTL Output Transformerless
SEPP — Single-Ended Push-Pull Circuit
VIR Vertical Interval Reference
ADDP Automatic Deep Discharge Protection
Minimum Resistance :
A5KQ.
5.6kQ
5002
4002
. When the. TV set is not to be used for a long period of
time, unplug the power cord from the AC outlet. .
. Potentials, as high as 24.0 kV are present when. this
receiver is in operation.. Operation of the receiver with-
out the rear cover involves the danger of a shock hazard
_ from the receiver power supply. Servicing should not be
‘attempted by anyone who is not thoroughly familiar
with the precautions necessary when working on high
voltage equipment. Always discharge the anode of the
picture tube to the-receiver chassis before handling the
tube.
. After servicing make the following leakage current
checks to prevent the customer from being exposed: to
shock hazards. oe
LEAKAGE CURRENT COLD CHECK
1. Unpiug the AC cord and connect a jumper between the
two prongs on the plug.
2. Turn on the receiver’s power switch.
3. Measure the resistance value, with an ohmmeter, bet-
ween the jumpered AC plug and each exposed metallic
cabinet part on the receiver, such as screwheads, anten-
nas, control shafts, handle bracket, etc. When the
exposed metallic part has a return path to the chassis,
the reading should be between 240 kQ and 5.2 MQ.
When the exposed metal does not have a return path to
the chassis, the reading must be oo.
LEAKAGE CURRENT HOT CHECK (See figure 1.)
1. Plug the AC cord directly into the AC outlet. Do not
use an isolation transformer for this check.
2. Connect a 1.5 kQ, 10 watts resistor, in parallel with a
0.15 uF capacitor, between each exposed ..metallic part
on the set and a good earth ground such as a water pipe,
as shown in figure 1.
3. Use an AC voltmeter, with 1000 ohms/volt or more
sensitivity, to measure the potential across the resistor.
4. Check each exposed metallic part, and measure the
voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of
the above measurements.
6. The potential at any point should not exceed 0.75 volts
RMS. A leakage current tester (Simpson Model 229 or
equivalent) may be used to make the hot checks, leakage
current must not’ exceed 1/2 milliamp.
urement is outside of the limits specified, there is a
In case a meas-
possibility of a shock hazard, and the receiver should be
repaired and rechecked before it is returned to the
customer.
Hot-Check Circuit
AC VOLTMETER
TO INSTRUMENT’S EXPOSED METAL PARTS
GOOD TH GROUND
15000, 10W Oe
Figure 1
X-RADIATION
WARNING: 1. The potential source of X-Radiation in TV
sets is the High Voltage section and the
picture tube.
CT-1110B
2. When using a. picture tube. test jig for
service, make sure that the jig is capable of
handling 25.0 kV without causing X-Radia-
tion.
NOTE: It is important to use an accurate, periodically
calibrated high voltage meter.
1. Turn the Brightness control fully counterclockwise.
2. Set the SERVICE switch to SERVICE.
3. Measure the High Voltage. The upper meter (Electro-
static type) reading should indicate 24 kV, +1.0 kV,
—1.0 kV. If the upper meter indication is out of toler-
ance, immediate service and correction is required to
prevent the possibility of premature component failure.
4. To prevent an X-Radiation possibility, it is essential to
use the specified picture tube.
5. To prevent exposure to X-Radiation, the picture tube
shield must be kept in place with power applied to the
set.
HORIZONTAL OSC. DISABLE CIRCUIT TEST
SERVICE WARNING: This test must be made as a final
check before set is returned to customer.
1. With rear cover removed, supply nominal 120V AC to
set and turn on power switch.
2. Adjust customer controls to normal position.
3. Short the collector and the emitter of Q801 with a
jumper wire. Confirm that the picture tube screen
blacks out (horizontal oscillation stops).
4. If this does not occur, Horizontal OSC. Disable Circuit
is not operating.
Follow the Horizontal Oscillator Disable Circuit Repair
Procedures before the set is returned to customer.
HORIZONTAL OSC. DISABLE CIRCUIT REPAIR
PROCEDURE
1) Connect a DC voltmeter between the cathode of D510
and chassis ground of the main circuit board. If nearly
21V jis not present on the cathode, find the cause.
Check R515, D510 and C531.
2) Connect a DC voltmeter between the cathode of D504°
and chassis ground of the main circuit board. If nearly
11.0V is not present on the cathode, find the cause.
Check R535, R536 and D504.
3) Repeat step 2) procedure. If nearly 11.0V is present on
the cathode, check 1C401, R519, C515 and D503.
4) Carefully check above specified parts, and related
circuits and parts. When the circuit is repaired, try the
horizontal oscillator disable circuit test again.
CT-1110B
C. WITH TEST EQUIPMENT
When measuring voltage with a VT VM, be sure to use the
test points located on the conductor side of the circuit
boards.
B+ VOLTAGE (+130V) ADJUSTMENT
1. Connect a voltmeter between TP91 and chassis ground.
2. Adjust R808 for 130V + 1.5V.
HIGH VOLTAGE ADJUSTMENT
1. Adjust color temperature. (See page 7.)
2. Adjust Screen (R365), ABL (R310), Bright (R308) and
Panabrite (R307) controls to zero beam.
3. Using a calibrated high voltage meter (electrostatic
type), confirm that High Voltage is within a range of
+24.0 kV + 1.0 kV.
NOTE: Be certain that B+ is +130V + 1.5V with beam
current at zero during the High Voltage Adjust-
ment.
4. lf the high voltage is out of tolerance, adjust R808
until the high voltage becomes within tolerance with-
out getting B+ voltage to be out of tolerance.
COLOR PURITY ADJUSTMENT
(See figures 4, 6 and 7)
1. Operate the receiver for 20 min. with Bright control at
maximum to warm up the CRT.
2. Degauss the receiver fully by using an external degaus-
sing coil.
3. Roughly adjust convergence. (See page 7.)
4, Receive a black and white signal.
5. Turn red-and blue Cut Off controls fully counterclock-
wise to obtain a green field. Adjust Drive controls if
green field is not obtained.
6. Loosen the deflection yoke clamp screw and move the
deflection yoke as close to the purity magnet as
possible.
7. Loosen purity magnet clamper (See figure 7) and
adjust the purity magnet to set the vertical green raster
precisely at the center of the screen (See figure 4).
Then tighten the clamper.
8. Slowly move the deflection yoke forward and adjust
for the best overall green screen.
9. Tighten the deflection yoke clamp screw,
. Produce the blue and red raster by Cut Off controls
and observe that good purity is obtained on the
respective field.
11. Observe that a uniform: white raster is obtained by
adjusting R, B, Cut Off controls.
uniformly white, repeat above procedure.
If screen is not
NOTE: Purity correction magnet may be effective to
contro! purity slightly.
Red Raster Green Raster Raster Horizontal Line
Figure 4 Figure 5
17.2+ 0.5mm
Position of Convergence, Yoke
CRT Pin Base
End of CY
Figure 6
(RB)-G Static " Convergence Magnet
Clamp for Convergen & Purity Magnet
sseenecontrol (R365)
RS53 : Cut Off ~ Drive Control - eqhiR3 5s Control
old (R401)
Service Switch(GWaOdie RF AGC (R100 —— Sharpness Control (R318):
=i OCUS Control
jee . Hold (R508)
V. Height (R408)
Figure 8
COLOR TEMPERATURE ADJUSTMENT
(See figures 5 and 8)
1. Tune in a black and white program.
2. Turn Color control fully counterclockwise and QII-
Lock Switch to the OFF position.
3. Set Bright and Panabrite controls to minimum position.
4. Set Service Switch to SERVICE position.
5. Turn the two Cut Off controls (R, B on C-Board) fully
counterclockwise.
6. Turn the Screen control (R365) fully counterclockwise.
7. Connect VTVM between TP47G on C-Board and
chassis ground.
8. Adjust ABL control (R310) and Bright control to
obtain a VTVM reading of 120V + 1V.
9. Slowly turn the Screen control clockwise until the
slight green horizontal line appears on the picture tube.
10. Make the horizontal line white by turning the two Cut
Off controls which were previously set fully counter-
_ clockwise at step (5).
11. Return the SERVICE switch to NORMAL position.
12. Alternately adjust the Red and Blue Drive controls to
produce a normal black and white picture. Check the
black and white picture detail for proper black and
white rendition (no ‘coloration) from lowlights .to
highlights and at all brightness levels for proper track-
ing. Proper tracking at all brightness levels can be
obtained when the Screen control, Cut Off controls,
and Drive controls are properly adjusted. !f the results
are unsatisfactory, repeat all the above steps.
CONVERGENCE ADJUSTMENT
NOTE: Before adjusting convergence, vertical height, line-
arity and focus adjustments must be completed.
1. Connect a dot pattern generator to the set.
2. The brightness level should be no higher. than necessary
to obtain a clear pattern.
3. Loosen the convergence magnet clamp and converge the
red and blue dots at the center of the screen, by rotating
the R-B Static Convergence Magnet. (See figure 7)
4. Align the converged red/olue dots with the green dots at
the center of the screen, by rotating the (RB)-G Static
Convergence Magnet. (See figure 7)
5. Tighten the convergence magnet clamp.
6. Remove the DY wedges (See figure 7) and slightly tilt
(do not rotate) the deflection yoke horizontally and
vertically to obtain good overall convergence.
7. Secure the deflection yoke by reinserting the wedges.
(See figure 9) .
8. If purity error is found, repeat the putity adjustments.
—B« DY. Wedge
0~30°
Figure 9
- NOTE:
1. Wedge A shown in figure 9 should be fixed within a
range of.0° ~ 30° to the left of the vertical line as shown.
2. After inserting wedge A, insert wedges B and C. The
wedges should be set 120° apart from each other.
3. Be cartain that the three wedges are firmly fixed and the
Deflection Yoke is tightly clamped in place. Otherwise
the Deflection Yoke may shift its position and cause a
loss of convergence and purity.
ABL CONTROL ADJUSTMENT
This is factory aligned. Usually no further alignment is
required in the field. However, when the A-Board, C-Board
or CRT is replaced, the following alignment is necessary:
1. Cennect a jumper lead between TP14 and GND.
2. Tune in a better air signal.
3. Turn Bright (R308) and Panabrite (R307) controls
fully clockwise.
4. Connect the DC voltmeter between TP85 and TP86
(positive lead of the voltmeter to TP85 and negative lead
to TP86).
5. Adjust the ABL control (R310). to obtain a voltmeter
‘reading of approximately 12.5V to obtain proper picture
brightness.
| CT-11108 |
i
| CT-1110B | OS
GENERAL ALIGNMENT
VIDEO I-F ALIGNMENT Preparation
1. Set. up sweep and marker generator, oscilloscope,.and 3. Set up AGC Bias control (5kQ) as shown in. figure 10.
power supply as shown in figure 10. 4. Connect R-jumper (100Q) in parallel with R110.
2. Rotate the. VHF channel.selector- knob and set the
channel at high position.
IF AGC BIAS CONTROL
(5kQ) CO-3A © O———*WA———-0 €0-7A
t (Chassis Ground)
TP14
R JUMPER (100) ON Parallel with R110
Oscilloscope VIF Sweep & Generator
From Receiver
A-Board (TNP62878)
1C601.
g @ TP45
CO-7A ~ TP14 TP12
VHF.TUNER
Figure 10
Alignment-Procedure. ort ; 44.0 . MHz
1. Set the sweep generator output level to 100mVp-p.
2. Adjust the bias voltage at TP14 for maximum signal gain.
Then: increase: the bias. voltage to decrease the detector
output voltage at TP12 until it becomes. 1.0Vp-p on
oscilloscope.
3. Adjust tuner converter coil to achieve a waveform as
that of figure 11, with maximum amplitude at 44 MHz. 30+ 10% 30+ 10%
4. Make sure that there is no spurious oscillation by varying
sweep output by + 15 dB adjusting IF AGC bias control.
Figure 11
45.75 MHz TUNING TRANSFORMER ALIGNMENT
Preparation
+. Set up sweep and marker generator, oscilloscope and
power supply as shown in figure 12.
2. Set up AGC Bias control (5kQ) as shown in figure 12.
Oscilloscope
A-Board (TNP62878)
{C601
i @TP45
pc 11V Power Source
Figure 12
Alignment Procedure
1. Set the sweep output level to 100mVp-p.
2. Adjust the IF-AGC Bias contro! (5kQ) to achieve a
Detector output voltage of 200mVp-p on oscilloscope.
. Adjust 1101 for maximum wave amplitude at 45.75
MHz. (See figure 13)
| CT-1110B
IF AGC BIAS CONTROL
CO3A @©0-———-* Ww © COVA
(5kQ) !
TP14
VIF Sweep & Trap Generator
From Receiver
DC 8.0V Power Source
45.75
Figure 13
T-1110B
AUTOMATIC FINE TUNING (AFT) ALIGNMENT
Preparation
1. Set up 45.75 MHz signal. generator, power supply and
voltmeter as shown in figure 14.
2. Rotate the channel selector knob and set the channel
at VHF high position.
IF AGC BIAS CONTROL
co-3A © 0o————-"VWW €0-7A (5k) I
P14
A-Board (TNP62878)
DC 11V Power Source
1C601
iv
Volt Meter
U @ TP45
3. Set up IF-AGC Bias control (5kQ) as shown in figure 14,
and adjust it to approximately 6.5V.
45.75MHz Signal. Generator
VHF TUNER
Figure 14
Alignment Procedure
1. Set signal generator frequency at 45.75 MHz and output
level to 100mVp-p.
. Adjust T151 to obtain 6.5V + 1.0V at CO-3A@.
. Vary signal generagor frequency 100 kHz higher and
lower (45.65 MHz — 45.85 MHz) and confirm that the
voltage at CO-3A @ varies more than 2V.
NOTE: This alignment is factory set and should require no
adjustment. If adjustment should become necessary,
use an accurate frequency counter to monitor the
RE generator frequency.
, Se eee ea - | CT-1110B
SOUND I-F ALIGNMENT
Preparation
1. Set up sweep and: marker generator, power supply and
oscilloscope as shown in figure 15.
Oscilloscope Sweep & Marker Generator
A-Board (TNP62878)
i 1C601
e TP45
CO-7A e@ TP14
e @TP12
TP1I5¢ TP21 0.01uF
DC11V Power Source Ls) aid teh © @ CO-3A TP22
Support Pin ab of R206 Soe.
Alignment Procedure _ —90kHz
1. Set sweep generator output level to 3mVr.m.s. and : : 4.5MHz Trap
adjust T201 to achieve waveform as shown in figure 16. Ove aL,
2. Confirm that waveform line between +90 kHz and —90
kHz point is straight and shows more than 2.0Vp-p in
amplitude. — a
(There should be no distortion in the range of + 100 +90kHz_
kHz.) - Figure 16
4.5 MHz TRAP ALIGNMENT —
Preparation ; bi Pele cH toe,
1. Connect Oscilloscope between: TP12.and chassis ground. a higher frequency so that a waveform should:be obtain-
2. Tune in a rainbow color bar signal. ed as shown in figure 17. .
; 2. Set T102 to minimize the amplitude of 4.5 MHz beat.
Alignment Procedure , 3. Rotate the fine tuning knob back and again tune in a
1, Rotate the fine tuning knob to shift the local Osc. to rainbow color bar signal.
4.5MHz Beat
« Adjusting T102 eectnentonmaccmmen
* Figure 17
lcT-1110B |
APC ALIGNMENT Alignment Procedure
Preparation 1. Tune in a rainbow color bar signal.
1. Connect the R-jumper (100k92) between TP45 and 2.. Measure the voltage of terminal (3 of 1C601.
terminal 42 of |C601 as shown in figure 18. 3. Then tune in a black and white signal.
2. Connect the digital multi-meter between (3) of 1C601 4. Adjust the APC Control (R612) so that the reading of
and chassis ground. the multi-meter becomes equal to the voltage measured
by step 2.
R JUMPER (100k 9) 1C601 (2) o—————*Y~\y"—_© TP45 A-Board (TNP62878)
TP45
APC Control
(R612)
eTP21
Figure 18
SUB-COLOR & COLOR PHASE ALIGNMENT
Preparation
1. Connect oscilloscope between TP46B on A-Board and
chassis ground.
2. Tune in a rainbow color bar signal.
Alignment Procedure
1. Sub-Tint Alignment 5. Confirm that the color phase does not change with
1. Set Sub-Color and Sub-Tint controls approximately Q Ii-Lock ON and OFF. If it changes, repeat steps 3
in the mid-position. and 4.
2. Set Color and Tint controls approximately in the 2. Sub-Color Alignment
mid-position. 1. With the condition of Sub-Tint aligned and OQ I1!-Lock
3. Adjust Tint control to the point where the color Switch ON, set Color control at maximum position.
phase does not change with Q i|-Lock Switch ON and 2. Align Sub-Color control to achieve the wave voltage
OFF, ‘ 1.4V as shown in figure 19..
4. Adjust Sub-Tint control to achieve the waveform as
shown in figure 19.
Coior level
(6th height is 1.4V)
Tint level
5th and 7 th are same height
Figure 19
= 72
CIRCUIT EXPLANATION
HORIZONTAL OSC. DISABLE CIRCUIT (See figure 20)
1. Under normal operation conditions, zener diode (D504) 3. The conduction of D504 increases the voltage at pin ©
is Cut Off due to its low cathode voltage. of C401. This causes the Horizontal Oscillator Circuit
2. When the amplitude of the pulse applied to diode D510 to stop and reduces the high voltage to zero.
increases, the cathode voltage of zener diode D504 rises,
and D504 conducts.
7 100v
R535 | \ p504 D503 3.24 R515 D510 RD12EBM MA26WO 4.1% 15 RH-1
TO PIN @ OF FBT
Figure 20
CONDUCTOR VIEWS
C-BOARD TNP12953ZA
S-BOARD TNP42188ZA K-BOARD TNP66525ZA
CT-1110B
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||
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180
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RET,
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(ee
gee
a
2SC945A
(Q.R)
2506
36
(RST)
4 ||
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303]
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RINS
CRIN0
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EXRP
220K
5628
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THo!
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at
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to
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ose
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|
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ice
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ae
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25,
102,
129,
6Ol
25
TNK3612ZIEBT
! 6.1
8”
gi
18
iN
GRt07
1C401
EXRP{O3P821S
AN54
36
[ViF_AMP
|
= ICR
I108 “EXRP{03P392S
osc mose]
.01S
L @,
C 507
LL
| eRto
50
qf
# EXREIOBP273S
C504
, oo
r
D508
KD4.7EB2
2SD893(Q.R
D506
MAW
RSI Sy
; a
Ww
| 0.9Vp-p
[AB REGULATOR]
“a
RSIZ 210
R519 = 0515 22h
34K 14
5.4Vp-piH]
NOTE:
anes
1. RESISTOR
QP
: |
IMPORTANT SAFETY NQUEE
: All
resistors are
carbon 1/8W
resistor, unless
otherwise noted
the following
marks. Qooxr4
THE SHADED
AREA ON
THIS SCHEMATIC
DIAGRAM INCORPORATES
SPECIAL FEATURES
ae Ee
toes oe ee
ee
® :1
IMPORTANT
FOR PROTECTION FROM X—RADIATION,
FIRE. AND ELECTRICAL SHOCK
HAZARDS.
oO
: Wire
Wound
®@
Fuse 2 eee die
WHEN SERVICING
IT IS
ESSENTIAL THAT ONLY MANUFACTURER'S
SPECIFIED PARTS
BE ©
: Non-flamble
@ :
Metal Oxide
4. TEST POIN"
USED FOR THE CRITICAL COMPONENTS
IN THE SHADED AREAS
OF THE SCHEMATIC.
; (@
:- Cement
@© :
Metal Film
Y
Lot 2.
CAPACITOR
: 5.
VOLTAGE!
All capacitors
are ceramic 50V capacitor,
unless otherwise noted the
following marks.
Voltage
is m:
Unit
of
capacitance
is
uF,
unie
ss
otherwise
note
d.
aes See opin a
CT-1110B
T-1110B (CHASSIS NO. NMX-K8A
5.2Vp-p [H
et
YZ LAAMAAANAA,
DA Pate
pial arened
Dee i
WN ie
aaa
7
D.2BVp-p [H]
1.6Vp-p [H]
COR ere
COLOR] L254 SUB
Deo2 = KOS
SOKBF” | COLOR
0.01p .
5.8Vp-p [H]
MAISO fy O2K
|/C-BOARD ROZT |
suB T 220K
TOOKB
? Ro6{
18K
2.1K}_
OR351
EXRPSUK4TIS O
DRIVE 4 ‘RED |
F R358
1KB J
RBEq Yaw
ee
: (8C2)
VIDEO ras
VIDEO_OUT|PUT (8)
purrs
PPP HE
VIDEO DRIVE
25C1473NC 303
(QR) AH
25C1685.2SD637 wan
R34
307 680
ppixe Vay RDIDEBL
SWiToH 145A (Q.R) 2SD636
(R.S$.7) 1.5Vp-p
684°Q.R
501 TLKBLT
SUB.CONT. SWw301
L EVORSALIS
3 | PLL
XANT130
XANTS22
V.
DRIVE
/
OUTPUT
| 630K
SR503
220
—y+t
C4IS | ca07 tooyz5y
Nn TA T00P
5|
10,2
EVMEGUIOKBS6
43Vp-p [Vv]
22Vp-p [V]
FBT 1502
TLFI4630F
PSOLLECTOR Ze0636 2SD637 EMITTER 2SB641
2.0Vp
BASE
EMITTER 2SC1687 COLLECTOR er
Q502
: 2SD1171
80
FOCOUS
28C1383
2SC1473NC
2SC945A
SCREEN
28CIat7
2SD893
BASE
2SA564
COLLECTOR
EMITTER
2801384
2SC1
573A
NC
2SC1685
2SC1686
RST
2SC1688
@ =F 0sn ew eee
“dhe
0514
28C1098(4) 2SB547
y 1QuS0V
BASE
28C1446
oe
COLLECTOR
|
2SC1
448
\6/
——
2SC1507
7
FP EMITTER
| osp402
RSI
2 2SA636(4)
22K 28C1505(1)
\85/
2sp1i71 28C1768 28C1875
ren
i EMITTER
2SA463 6
BASE
2SA766
orMAI5S0 28C582 COLLECTOR
280647 (Case)
28C783 28C1450
28C1664A
GULATOR]
\
Q501 25CI573ANC |
H. DRIVE
0513 ar
R537 SoU
0.349 52
.
25
Sane
Yow 500y
R519
s
OSS
It
224
34k
ti)
Ss)
ee
|
Vp-pH]
12Vp-p [H]
1000Vp-p [H]
=
250606
t L501 DY
TL
YIS3
44F
2801520 (=== BASE 2SC1556
<==
COLLECTOR]
9501550
— 28D794(2) 7
ZT
EMITTER
(2)
EMITTER
COLLECTOR
: ZType
e@
: Temp
Compensation
7.
When
schematic
diagram
of
a
board
is
described
in
most
than
two
places,
they
are
enci
rcle
d wi
th
: Dipped
Tantalum
@
: Polyester
dott
ed
line.
(—-—)
3.
COIL
: 8.
Th
is
schematic
diag
ram
is
the
late
st
at
the
time
of
printing
and
subject
to
change
without
notice.
Unit
of
indicatance
is
“wH.
4.
TEST
POINT
VY
> Te
st
point
posi
tion
5.
VOLTAGE
MEASUREMENT
Volt
age
is
measured
by
a vo
lt
ohm
mete
r with
DC
20k
OHM/V
receiving
color
bar
sign
al,
when
all
controls
are
set
to
the
maximiim
onci
tinn
~
QP
: Bipolar
©
: Titanium
Oxide
&
: Po
lypr
opyl
ene
6.
When
arrow
mark
(“)
is
foun
d,
connection
is
easily
found
along
with
the
dire
ctio
n of
an
arrow.
@ ®
sce
This
schematic
is
the
latest
at
the
time
of
printing.
CABINET PARTS
VHF Antenna
TSA8108-6Y
UHF Antenna
TSA338
Convergence Yoke
TLC2036
L501 (Deflection
Yoke) TLY15344F
x
DY Wedge
TMM17538
Speaker
EAS8P47S
CRT
Socket
Cap
TMM15207
CRT
Sock
et TJS35090
;
Picture
Tube
290KB22
Earphone
Socket
Bp
Ts27080
Fron
t Cabinet TXFKEO11110B
a CRT
Mount
Screw
THT945-2
CRT
Rubber
Spacer
TMM1551
L851 (Degaussing Coil)
TLK159025N
UHF Indicator
TBX1774501
Fine
Tuning
Knob
: TBX643601
y
UHF
Chan
nel
| (
\)
Sele
ctor
Knob
: ©)
ae
mens
TBX1774401
eile
765500
Fine Tuning Knob.
TBX643601
VHF Channel
Selector Knob
TBX677402
NOTE:
.
Parts
or
Components
marked
with
(NA)
and
unlisted
are
not
available
as
replacement
part
s.
EXPLODED
Model Name
Plate TBM37507
Service Plate
-)
—BM37511
Back Cabinet
TXFKY011110B
CHASSIS _
4P Lug-Terminal
TJB5304F
K-Board
TNP665252ZA
|Q801
(AVR
TR)
2SD1044A
Q502
(H. Out TR)———
2SD1171 \ a
ae
L fie Ps
O
:
“oo
, RS
ys a
Eb
QA———_
|
Z
2 A.
0:
~e AN5512 \
| Se
Ss
4
F
Don
: D
e. BO QD)
F
Front Control Knobs
TBX 1553600
R307. (Pa EWHNLA
CHASSIS PARTS
2=>LODED VIEWS
TUNER PARTS
UHF Tuner
TNK36121EBT
i
SW601
(QO IlLock Switch)
TSE1453
R811
fi
ERF20HMJ221
AFT
&
Q Il-Lock
Knob
s TBX1787500A
K-Board
ae
TNP66525ZA
801
(AVR
TR)
3D1044A
ee
<6
-
e Hold
ol) Sy
usi
olaer
Fe
TJC6320
F802
(D
C Fuse)
XBA1C08NU100
| T502 (Flyback
Trans.) TLF14630F
Power Supply Cord
TSX1195
F801
(AC
Fuse)
XBA1F30NU14A
5
R401 (V-Hold)
EVHOTAS20B
14
Example:
|
R318 (Sharpness)
EVHOTAS20B 14
ne
VHF Tuner TNT4681C
SW801
(Pull On Volume)
EV VON6F 2054L
oO
S-Board TNP42188ZA
SW151
(AFT
Swit
ch) TSE1453
RESISTOR
PART NAME & DESCRIPTION
Description
©
100K WY,
Part No.
ERD12TJ104
CAPACITOR
PART NAME & DESCRIPTION
ALLOWANCE
: sw301
-
ONS.
aS
EVOR3AL13 Cic
i ic402
~ )
| Ceramic
AN5512 St
aa
us E
1 Electrolytic
~
SOS =)
| P | Polyester
ce fos
- AC Cord Bracket
15% <4
5)
,
TMM6322 :
SAS
: &
10% QE Ae
T | Tantalum
+10%
PROF x
Vv! Trimmer
L}
+15%
wt
Nal
yf "
Fuse Holder (L) fhe
a NPY,
TJC6319 +20%
A-Board +100%—0%
R604 (Color)
: 4
EWHNLAF20B14 RO
eaeeh +80%—20%
DB
R606 (Tint)
J)
EWHNLAF20B14 Part No.
Description
R308 (Bright)
Example: ECKD1H103PF2
©
0.01uF ®,
ee. EWHNLAF20B52
R307
. (P
anab
rite
) EWHNLAF20B15
ABBREVIATION OF PART NAME
AND DESCRIPTION
1/2W 50V
Note:
Ref. No.
RiOd
Folge
Rios
RLod
Rios
R106
RAO?
Rio
RLid
Riis
Fii4 Riis Rilé Rid
Rise RIS REO1 R202 R203
R205
ROG
R207
REPLACEMENT PARTS LIST
TNP62878ZA (A-Board), TNP12953ZA (C-Board), TNP66525ZA (K-Board) and TNP42188ZA (S-Board) are not available as a
.CT-1110B
complete printed circuit board.
_ Part No.
RESISTORS
ERDLIOTI223
ERDLOTIRES
ERDIOTI22£2 EVNESUACORE
ERDLOTILOS
EROLOTIIOL
ERDLOTIS932
ERDIOTI2Z72
ERDLIOTIS2 1
ERDIOTILO2
ERDLOTI2? 1 ERDIOTIS62
ERDIOTIS82
ERDLOTILOL
ERDIOTIZ25
ERDLOTIIES ERDLOT ILO
ERDIOTILS1 ERDLOTIGOS2
ERD2STIZ21 ERGLIANIS3 1
ERDIOTIL23
ERDSSF J 4F 7
wea
ERDIOTISS31
ERDIOT I 472
ERDLIOTI222
ERDSITI4? 1
SJERDIOTISS
EVNSQAROOBIS
SOS /EROLOT ISS 1
RSL R311 RS12
R13
R214
RALS
ERDLOTA LG.
T VEWHNLAFSORIS
EWHNLAF SORA
ERDLOGOTIS92 EVN50AA00B13
ERDLGTI47 3
ERDZST IOS
ERDLIOTIS&1
ERD2ZSTIS681
ERDLOTIZ9 1
C
C
ae
C
CONTROL Biacoakoahm
CONTROL & Sodehm|E Cc
CONTROL & 1kohm
Cc
C
C
C
C
CONTROL B&B Skohm
CONTROL 8 lRoahm
Description [eetne:[—feene[eoeinion ERDIOTJIS91 C: S9Qohm 7 1/8W
ERDLIOTIS91 C S90ahm J 1/8W
EVHOTAS2SZOR14 [CONTROL BF 1OoKohm
ERD2ZSTILO2L CG iF-ohm J 1/4W
ERDLOTIIOL “1000hm
Sekahm J 1/8h
2ekahm J 1/8
2.ekohm J 1/8W
1Okohm J 1/8W ERDSST I 22
ERDIOTI69—2
1o9deahm J 1/awW Mae LERDLOTI22
6, 8kahm J 1/olW ERDLOTIZ21
2. %EKohnm J ERDLIOTI272
B200hm J 1/8W
lkohm
Cc 2200hm J 4
& 6.8kohm J 1/8W
C S20ahnm Jd
C 2200hm J 1/8W
GC 2. 7Kohm J
R328 R329
ERDLOTI2Z72
ERDIOTI272
C 2.7Kohm J
CG 2.7Kohm J 1/8W
C 12koahm J
Cc J CO
aie fA S330 |ERDLOTIL23 1/8W 2700hm J 1/8Wi| RSS2/ERDLOTIS34 Bs0Kohm J 1/8W
S.okahm J 1/8W
&.@kohm J 1/8W
L1900hm
RAIS2 EVNEGARDORSS NTROL &B
“2 (/ERDLOTIZ72
iS | EVNKGAAOOEL 3 RAS “ C 2. 7Kohm J 1/8W
CONTROL B fekohm J
L8kahm J
ikohm J
L800ahm J if’
6. Skahm
ieee N GS 2. 7Eohm M 1/2W
CONTROL &B EVNE GAAQORSS
ERDLOTI272
EVNEGAGOOR 1
C 2.7Eoahm J 1/8W CONTROL &
Qahm
S20ahm
L2Kohm J 4. 7ohm J
igkahm
S lMoahm
CONTROL &
S 2. 7hahm
C 4. 7Kohm
& /EVMESULOK BGS ERCL2GM272 ERD25TJ472
Sso0ahm J 1/8W
4, %?Kohm J 1/8W
2.2Koahm J 1/3W
470o0hm J 1/4W Sees RD25TI472 Sheena ERDLOTI682 ERDLOTIZ21
4. 7Kohm
4, 7Kahm
CONTROL §&
C &. Sk ohm
2edohm
on
B8200hm J 1/8W
s6Q0ahm 7 1/a&W
Loooahm J 1/B8W ERDLIOTIS hes 3. 9Eahm
3.%Koahm J 1/8W C Séahm
CONTROL & 3000hm EVNSQUAOORS2
47K ahm .
1OoKoahm far te oe fs = ERD2STIIOL
ERDLIOTIIOS
2 /ERDLOTIS22
1/4W 1/8W 1/8W
Cc Lodgoahm
Cc LOkoahm
3. Skahm Ra ty fy B50a0hm J 1/SW
68Go0hm J i/4w
3900hm J 1/8 ERD2ZSTI1S1 LaQ0hm 1/4W
orm bie) =)
ERDIOTIZ22 RSilO /ERGZANIJI 25 M L2kahm R311 |ERD25STIS61 BaQoahm ROS : 270ohm —
RO? 5 2. 2kohm
KO ty Ca
es 2 sh
- &, 680hm E
Cc 22ekohm J
ERQ12HER68 ERDLIOTJIZ23 CAPACITORS
ERDIOTIS9 Skohm CiOl /ECEALHSSR3 E Ce eer | CLlOS |ECKEFLIHIOSZF [C O.OLuF Zz
ERDLOTI681 C 6800hm J C104 [ECKFLIHIOSZF IC O.,O1uF. Zz
ERQL2ZAISGIF | F socohm J 1/2W C1OS /ECKFILHLOSZF IC O.OLurF Z ERGIANJ180H Boehm J C1iO6 |ECKEFIHIOSZF |C O.O1uF Zz
ERD25TJI681 680o0hm 1/4W CLlO7 [ECKEFIHIOSZF IC O.O1uF Z ERGIANI1O2 ikohm ¢ C108 |/ECEALHSO1O E luF
a CLIO ;ECCFIHB20UP |C B2pF J 13.7 i vs Cil2 |ECEALHSR4A?7 E 0. 47 UF F 0. 390hm 1/2W Ciis |ECEAICS1IO1 E 100uF
ERDIOTI6&82 C 6.8Kohm J 1/8W C1liS |ECEASOZRE2 E 0. 22uF
RSS9 /ERD2STIL21 C 29o0hm J 1/4W C116 |ECEAICS100 E 1OurF
R601 |ERDIOTI271 C 279o0hm J 1/8W CLlIBJECKFIHIOSZF |C O.O1UuF Zz R602 [ERDLIOTIS92 C 2.9Kohm J 1/8W Ci2s0 /ECCFIHOSZOCC IC apr C
R6OOS |[ERDLOTIISS Cc 18kohm J 1/8W Ci2Zi /ECCFIHS20IC |C opr
R6o4 [EWHNLAF2ZORI4 | CONTROL EB 1OKohm Cize |ECEASOZ1 E LuF
R6os /ERDLOTIE23 C B82kKahm J 1/8W Ciss |ECEFLIHLOSZF. IC O.O1UF 2
RSOO6 |[EWHNLAPZORI4 | CONTROL 8 1Okohm C124 |ECEAICS221 E ee Our
R607 [ERDLIOTIJ224 C 220K ohm J 1/8W Ciss /ECEALCS470o E 47uF
R608 ([ERDLOTIL2S C Ll2kohm C126 | ECKD2H151KB2 k 150pF C
R609 |ERDLIOTI1I54 C 150kehm J 1/8w CiSi |ECEAIHS2R2 E 2. 2uF
RSLO/ERDLIOTIIS2 C 1.5Kohm J 1/8W CISS/ECCFLIHI2ZOIJL [CC lZpF J Réli ERDIOTJIS32 C 3.3Kohm J 1/8W CiSS |ECCFIHSS07L JC Sépr J
Réi2 EVNES6SA0081 4 | CONTROL EB LOkahm C1iS4 /ECKFIHIOSZF iC O.O1uF Z Roel ERDIOTI273 C CiS8 |/ECKFIHIOSZF |C Zz 27Eohm J 1/8W Oo. O1uF
R415 |ERDIOTI6381 Cc 4800hm J 1/8W R622 |ERDLOTILI2Z2 Cc .fkohm J
R416 |/ERDZ5TI101 Cc Lodohm J F{ERDIOTI681 C 680o0hm J
RSOL /ERDLOTIS71 Cc 27Oohm J ERDIOTJI101 C 1Odehm J
REO? |ERDLOTI684 C 680K ohm J 3S |EVNSQAG00BS4 [CONTROL & SOkahm RSOS (ERDLOTI22 C 2200hm J ERD1LOTJI473 Cc 47Kohm J
R504 /ERDLOTIIOZR ic lKohm J EVNSOAAQGOBR15 [CONTROL B100Kohm ROS |ERDLOTIZ72 |C 2. 7Kohm J = R506 |ERDLOTIIO1 c 1O00hm J RSO7 |ERDLOTIZ25 C 2@kohm J R508 |EVTEOCAOORZS |CONTROL B
1/8W 1/8W 1/8W
1/8W
BOY SOV BOV OV 5OV
Sov Sov
SOV
gov 16¥V
soy
14V
Sav
SOV
Soy |
SOV] SOV 16V' 16V' SOV
SOV SOV BOY SOV SOV,
CT-1110B
C201
C202 ECQM1LH473KZ ECOMLHLO4EZ
23 /ECEALHNO1OS C203
C204
C205
C207 C209
C210 Ceti we le
C213 C214
Deis
216 C217
C220
oon my ay Jeol Bice otioe
C222
hae Dan Ried to
C22 abe
C225
C201
Cso2 CBO3 C204
C305
S08
C307 C308 C309
C310
C351
CAS2
CSS
C354
C401 C4on
C403
C4o4
C405
C406 C4a7
C408
C409
C411
C412
ECEALHSSR3 ECEASOZ10
ECGMLH473K2 ECEAICS22 ECEALESS31 ECCFIH4707 ECCF1IH470d
ECEF LIHLOSZF ECEAICS1O0
ECEAICS1O1 ECCF 1H120J7F ECCF LH8207UL
ECQMIHLOSK2Z ECKF LHLOSZF ECEAIHS220 ECKF LHLOSZF ECKF LHLOSZF
ECKFLHLOSPF ECCFIHI2Z14 ECEALCNLOOS ECCFIH290d ECEALES4R7
ECEALICS100
ECCFLHLOLI
ECEFIHISIER ECKFLHISIER ECEFLIHISIER
ECCF 1H680I ECEF LH391KR
ECKFLHS91KE
ECE DSD68 1K ES ECKDID6S1LER?
ECOMLH273K 2 ECSZ25EF2R2N
ECSZ16EFS ey ECOMLHB23M
ECEA1HS010
ECEA25Z10 ECEAIES1IO1 ECKF LTH222K8
ECEAICS102 ECEA16Z100
ECEALHSSRS
Tm ira
OOM Mm a
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Oooo mM
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MMO MmMmM Mm pao
m
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3. Sur
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o O47UF
220uF
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1LOuF
1L90uF
L2pF
2pF
o.O1uF
o,O01u0F
eur
Oo. O0UF
0.O01uUF
O.,O070F
120pF
LOuF
S9pF 4. 7UF
1LOuF
LOOpF
1S0OpF
LSoapF
LS0pF
68pF
=9OpF
S90pF
SBOpF
oBOpF
0,027uF
Se SUF
Se SUF
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10UF
1O0uF
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1LO0OuF
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3. SUF
:
E
bart Sioa ECKFIH4ATSRE IC 47Q00pF k Sav SOV ECEALHS2RE E 2. 2uF SOV BaYV ECEA1CS100 E 1OuF 14V 5OV ECQMIHISSEZ [FF O<.015uF Kk Sov Sov ECOMIH473EZ [FF O.1O47uF KO Sav
SOV S/ECOMLHISSEZ JF O.015uF kK Say 16V ECEALHS2SR2E E ee SUF BoOV
25V ECOK1682IZ P 6B00pF Jo 100V SOV ECEAICS101 E Ld0uF 146V SOV ECEASCS10O1 E 100uF
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CT-1110B
LIQ. |TLORSENZ0SC |Feaking 0. 29uH TVSRD4.7EBR2 |Zener Diode 4.7V LiO2 | TLOR4A7NZO0SC |Feaking ©. 47uH MA27T-A Diode
Lios L2O1 Lol
TLEO47R2OSC TLELOOR2OSC TLESI?
MALSO MALSO
MALSO
Diode
Diade
Diode
Feaking 4, 70H
Feaking > LOuH
Delay Line
TLXS303176C |FPeaking . S3uH TLTS61R999G |Feaking SOOuUH
Lol
Led
Loo
TLYISS44F
TLHIS654PF
TLOLTSOR 2OSC
Deflectian Yoke
H.linearity Coil
18uH
Looe %
TRANSISTORS
TRANSFORMERS QOL1O1 |28C1687 QS01 |2SD6l26—-K. 5.7
VIF Amp
Video Amp T1iO1 |TLIB1 368-1 VIF Trans. Q202 |2SSR641-K.S. T |Blanking
TIO! |TLIGSso7-1 VIF Trans. ABOSZ |SSD637-K.S.7T |Video Drive
TISL | TLISG7394—1 VIF Trans. Q@Q3S1 |2SC1473-GQNC |Video Out (EB). T2O1 |TLSS3318-2 TRANS »
Q352 |29CL473-QNC |Video Out (R) Q2S3 |SSC1473-QNC |Videa Out (G) Q3501 |2SCiS73A-QNC |H. Drive QOSO2 (SSD1L171 H. Qut Q503 |2S5D893—-Q.R +h Requl atar
[TLH15405
DIODES @ TI—Leac Switch 2SD656-R. 9. 7
D2O1L |GAVO Diode 1/290) Ds01 |MALSO Diode 302 |MALSO Diode
D303 |MAISO Diode Lite D205 |TVSIS2076 Diode
ICiO1 |ANSIS2 VIF.AGC, Det. AFT 304 |TVSISZ076 Diode IC201 |ANS255 SIF. Audio. Output
D307 |TVSRDLSER? Zener Diode ee D401 |TVSRGF1OU Diode / D402 |TVSRDISER2 j|Zener Diode iSsVi| ICé6a1 [ANSS12 |Video. Chrama D403 |TVSRD2.7EB2 Zener Diode 2.7V
FILTERS D404 |MA27T-A Diode D501 |TVSRGFiIOT Diode X101 JEFCH45MVZ2 Filter f DO? | TVS1ISZO7S Diode 201 |EFCS4R5SMS4E [Filter DSOS |MAZ6WO Diod X601 |TSS816M Crystal
SWITCHES
DSEOS TVSRDLIEBL
DSOS |MAZ6WO SiO /ESD1L42g Antenna Switch
DeO?7 TVSRGFiIOT $151 |TSE1453 AFT Switch
pe ; Bu i S201 |EVORSALIS Service Switch
8601 @ II-Lock Switch TSE14S
CT-1110B
OTHERS . TSAB38 UHF Antenna TSAS1OR-6Y VHF Antenna
TXAITO111108 TXAITOSI110B
EASBP475S 6F Coupl Kit-COSA 2F Coupl Fit-CosAa
TXAITO4S1 1108 TXCSFDOS
TXFIUTORLLIIOB
TXFEEOLILIOER TXFEYOLLLIOB
SF Coupl Fit-Co1Aa
FM Trap Coil
SF Caoupl Fkit-CO4Aa
Frant Cabinet
Back Cabinet
NAKM27 3S atian
EXRFLOSP2723S |C-R Combinatian
EXRFIOSPS928 |C-R Cambination
EXRFLOSFPS21S |C-R Combination
EXRF 220K 5629 |C-Fk Combination
EXRFS91E471S |C-R Combination
TBEM3S7307 Model Name Flate
TEMS7S311 Service Flate
TEX LSS3400 Front Cont. Knobs
TEX17 435500 Full On Vol. Enob
TBK1774401 UHF Channel Knob
XEH3B1A1 Earphone
TEX1I7 74501 UHF Indicator
TEX17875008 |AFT/QII-Lock TEX6434601 U/V Fine Tuning
TEX6&77402 VHF Channel Knab THT 945-2 CRT Mount Screw
TIBSS04F 4FP Lug-Terminal TICSSL9 Fuge Holder (lL)
TICSS20 Fuse Holder (S)
TIS27980 Earphone Socket
TISSSO9O CRT Socket
TLOZOSS Canvergence Yoke TMM I S207 CRT Socket Cap TMMISS1 CRT Rubber Spacer
TMM1 73393 DY Wedge
TMM6 322 AC Cord Bracket
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BRoard—-C
|
TNF LS9S3ZA Circuit
TNE 4219824 Circuit Board-S
TNF S2878ZA Circuit Board-A
TNE SSS 2524 Circuit Board-k
Ue oe cking
TPDIS1O8S Cushion
TFDIS1O084 Cushion
TPDIS2077 Cushion Hottomik)
TFDIS2078 Cushion Bottom (lL)
TFPEZ4090 Set Cover
TOBS11462 Fan Bag