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Service Manual - Page 1
FILE NO. 020-200012
SERVICE MANUAL
COLOR TELEVISION
N0NSP Chassis
50A60, 50A50
(TAC0050)
(TAC0051)
55A60, 61A60
(TAC0052)
(TAC0053)
PUBLISHED IN JAPAN, May., 2000 S
Service Manual - Page 2
...
TABLE OF CONTENTS
CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ...3 CRT ASSEMBLY REPLACEMENT AND MOUNTING 4 PICTURE TUBE COMPONENTS ADJUSTMENT ...6 REPLACEMENT OF THE CRT ...8 SERVICE MODE ...9 ELECTRICAL ADJUSTMENT ...11 CONVERGENCE ADJUSTMENT ...13 SCREEN AND MIRROR ALIGNMENTS ...15 CIRCUIT CHECKS ...16
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ...17 LOCATION OF CONTROLS...
Service Manual - Page 3
... must not, under a 120V AC power source. Some part in this TV receiver is the picture tube. For continued safety, parts replacement should be sure the set to the customer, always perform an AC leakage current check on page 17)
Each time a receiver requires servicing, the high voltage should be checked to operate without danger of the...
Service Manual - Page 5
...
SPECIFIC INFORMATIONS
SERVICING PRECAUTIONS
s Do not use a magnetized screw driver for R, G, B) 1.
Remove CRT Assembly from old one .
s Check the point of anode lead in no variable quantity. Remove Lens Assembly. 3. CRT REPLACEMENT (Same procedure for SVM coil
- 5 - Anode Cable should be replaced with new one and attach the holder again to new anode lead. PICTURE TILT...
Service Manual - Page 6
...adjusting picture tilt.
ᕄ Centering magnet After adjusting picture tilt, picture position is fixed on the Remote Control to screen center. 6.
Press TV/VIDEO...4. GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PREPARATION Operate ...
Service Manual - Page 8
... ADJUSTMENTS
SPECIFIC INFORMATIONS
REPLACEMENT OF THE CRT
Service parts are... as shown in figure below, and put it on new lead. Do not throw away Lead Holder. RUBBER BOOT IS ATTACHED TO ANODE LEAD AND ANODE CAP.
2. HITACHI CRT
50A50 50A60 55A60 61A60
R 23796001 23005114 23005242 23005249
G 23005397 23005115
↑ ↑
B 23796003
↑ ↑ 23796486
REPLACEMENT...
Service Manual - Page 9
... MENU button on TV set. GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
1. MUTE
2.
KEY FUNCTION IN THE SERVICE MODE The following key entry during display of the self diagnostic data:
TV (ANT)/VIDEO button (on TV) Channel s/t (on TV or Remote) Volume s/t (on TV or Remote) MENU button (on TV) RECALL+Channel button on TV (s) RECALL+Channel button on Remote Control. Screen adjustment mode...
Service Manual - Page 10
... . . . .
signal check
Green display ..... Sub sync (when turn off the TV once. GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
4. EXIT FROM SERVICE MODE 1) Pressing POWER button to initialize the data unless QA02 has been replaced.
7. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the range from 00H to...
Service Manual - Page 12
... contrast to the maximum to make white picture to high light. 10. Call up the adjustment mode display, then select the item HIT. 2. Press TV (ANT)/VIDEO button on TV again. 6. Press the VOLUME s button to lack. 3. Center
WHITE BALANCE (RCUT) (GCUT) (BCUT) (RDRV) (BDRV)
1. GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
HEIGHT (HIT)
ITEM
WIDTH (WID...
Service Manual - Page 15
.... 2. GENERAL ADJUSTMENTS
ASSEMBLING OF FRONT SCREEN
SCREEN AND MIRROR ALIGNMENTS
Fresnel sheet
MOUNTING OF FRONT SCREEN
5 screws
SPECIFIC INFORMATIONS
FRONT
Protect shield
(for 50") Lenticular sheet
Protect shield
FRONT
Fresnel sheet
Label with part number
Stick cotton cloth tape
Label with part number
(for cleaning in order not to wipe away the black print on the surface...
Service Manual - Page 16
...picture again, temporarily turn the receiver off and allow the FS circuit more than 5 seconds to minimum (zero beam current). 3. Troubleshooting Guide for high voltage (B). (See SETTING...when measuring this state even after replacing. Disconnect the FBT anode cable ... reconnecting the cable, proceed in servicing. FS CIRCUIT CHECK The Fail ... ADJUSTMENTS
SPECIFIC INFORMATIONS
CIRCUIT CHECKS
HIGH VOLTAGE ...
Service Manual - Page 17
...POSITION HEIGHT V-LINEARITY V-S CORRECTION PICTURE WIDTH V-SHIFT
40H ←...SUB-COLOR SUB-TINT SUB COLOR SUB-CONTRAST HORIZ. GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA
SAFETY INSTRUCTIONS
SERVICE MODE
43", 50", 55", 61"
HIGH VOLTAGE AT ZERO... TV OPTION
00H ←
Table-2
CIRCUIT CHECKS
FBT DETECTION VOLTAGE (C) 24.5V Table-3
- 17...
Service Manual - Page 20
... performing the CH PROGRAM function, you can tune into only desired channels.
to owner's manual in detail.
- 20 -
You have now completed the channel programming.
To add the channel press the button until "TV/CABLE" is highlighted. 3 Press : or ;
GENERAL ADJUSTMENTS
SPECIFIC INFORMATIONS
PROGRAMMING CHANNEL MEMORY
The channel memory is the list of...
Service Manual - Page 23
Models : 50A60/50A50/55A60/61A60
Capacitors...SPECIFIC INFORMATIONS
CHASSIS REPLACEMENT PARTS LIST
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. NOTICE: • The part number must be used when ordering parts, in order to assist in the parts list. The mounting position of replacements...
Service Manual - Page 38
...
Y101
23563938
Y101F
23563914
Y101F
23563939
Remote Hand Unit, CT-9946 (50A60/55A60/61A60) Remote Hand Unit, CT-90037 (50A50) Battery Cover Owner's Manual, English, 50A60/55A60/61A60 Owner's Manual, English, 50A50 Owner's Manual, French, 50A60/55A60/61A60 Owner's Manual, French, 50A50
CABINET PARTS
A101 A101 A101 A102
A102 A103
A103 A126 A127 A150 A150 A150 A160 A201...
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