KV-XA21M83 - Sony TV Service Manual (repair manual)

kv-xa21m83 service manual
Model
KV-XA21M83
Pages
90
Size
8.79 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa21m83.pdf
Date

Read Sony KV-XA21M83 Service Manual online

MODEL
COMMANDER
DEST.
CHASSIS NO.
KV-XA21M83
RM-952
India
SCC-U60A-A
KV-XA21M93
RM-952
India
SCC-U60B-A
KV-XA21M83
RM-952
Vietnam
SCC-U56D-A
KV-XA51M61
RM-952
Indonesia
SCC-U59A-A
KV-XA21N93
RM-915
Philippines
SCC-U61A-A
KV-XA21P80
RM-952
ME
SCC-U48M-A
TRINITRON 
®
 
COLOR TV
SERVICE MANUAL
BG-3R
RM-915
RM-952
TV
1
2
3
4
6
7
8
9
0
5
POWER
TV
DISPLAY
VIDEO
MUTING
MTS
SOUND
MODE
FAVORITE
WAKE UP
SLEEP
CABLE
AUTO
PROGRAM
ADD/
ERASE
JUMP
ENT
CH
VOL
SELECT
PIC MODE
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
CHASSIS
MODEL
COMMANDER
DEST.
CHASSIS NO.
– 2 –
KV-XA21M83/XA21M93/XA51M61/XA21P80
RM-952
KV-XA21N93
RM-915
SPECIFICATIONS
(KV-XA21P80/XA21N93)
Note
Power requirements
110-240 V AC, 50/60 Hz
Power consumption (W) Indicated on the rear of the TV
Television system
B/G
KV-XA21P80
M
KV-XA21N93
Color system
PAL, PAL 60, NTSC4.43, NTSC3.58 (AV IN)
KV-XA21P80
NTSC3.58, PAL*, PAL 60*, SECAM*, NTSC4.43*       *AV IN only
KV-XA21N93
Stereo/Bilingual system
MTS
KV-XA21N93
Channel coverage
B/G
VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41
KV-XA21P80
M
VHF: 2 to 13 / UHF: 14 to 69 / CATV: 1 to 125
KV-XA21N93
˘
˘
˘
˘
˘
(Antenna)
75-ohm external terminal
Audio output (speaker)
5W + 5W
KV-XA21P80
3W + 3W
KV-XA21N93
3D Woofer
9W
KV-XA21N93 only
Number of terminal
(Video)
Input: 2
Output: 1
Phono jacks; 1 V
P-P
, 75 ohms
Audio
Input: 2
Output: 1
Phono jacks; 500 mVrms
(Headphone)
Output: 1
Stereo minijack
Picture tube
21 inch
Tube size (cm)
54
Measured diagonally
Screen size (cm)
51
Measured diagonally
Dimension (w/h/d, mm)
640 
× 452 × 496
KV-XA21P80
640 
× 482 × 496
KV-XA21N93
Mass (kg)
26
KV-XA21P80
28
KV-XA21N93
Design and specifications are subject to change without notice.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 
! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD,
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
– 3 –
KV-XA21M83/XA21M93/XA51M61/XA21P80
RM-952
KV-XA21N93
RM-915
SPECIFICATIONS
(Except KV-XA21P80/XA21N93 )
Note
Power requirements
110-240 V AC, 50/60 Hz
Power consumption (W) Indicated on the rear of the TV
Television system
B/G, I, D/K, M
Color system
PAL, PAL 60, SECAM, NTSC4.43, NTSC3.58
Stereo/Bilingual system
Nicam Stereo/ Bilingual B/G, I, D/K; A2 Stereo/Bilingual B/G
KV-XA21M93/XA51M61
Teletext language
English, Arabic, French
KV-XA51M61 only
Channel coverage
B/G
VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41
I
UHF: B21 to B68 / CATV: S01 to S03, S1 to S41
D/K
VHF: C1 to C12, R1 to R12 / UHF: C13 to C57, R21 to R60 /
CATV: S01 to S03, S1 to S41, Z1 to Z39
M
VHF: A2 to A13 / UHF: A14 to A79 /
CATV: A-8 to A-2, A to W+4, W+6 to W+84
˘
˘
˘
˘
˘
(Antenna)
75-ohm external terminal
Audio output (speaker)
3W + 3W
except KV-XA51M61
5W + 5W
KV-XA51M61 only
3D WOOFER
9W
except KV-XA51M61
Number of terminal
(Video)
Input: 2
Output: 1
Phono jacks; 1 VP-P, 75 ohms
Audio
Input: 2
Output: 1
Phono jacks; 500 mVrms
(Headphone)
Output: 1
Stereo minijack
Picture tube
21 inch
Except KV-XA51M61
Tube size (cm)
54
Measured diagonally
Screen size (cm)
51
Measured diagonally
Picture tube
KV-XA51M61
Tube size (mm)
545
Measured diagonally
Screen size (mm)
507
Measured diagonally
Dimension (w/h/d, mm)
620 
× 482 × 496
except KV-XA51M61
620 x 452 x 496
KV-XA51M61
Mass (kg)
26
KV-XA51M61
28
except KV-XA51M61
Design and specifications are subject to change without notice.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK 
! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD,
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
– 4 –
KV-XA21M83/XA21M93/XA51M61/XA21P80
RM-952
KV-XA21N93
RM-915
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
SELF DIAGNOSTIC FUNCTION ..................... 5
1. GENERAL ........................................................ 8
2. DISASSEMBLY
2-1. 3D Speaker Box Removal ....................................... 36
2-2. Rear Cover Removal ............................................... 36
2-3. Speaker Removal .................................................... 36
2-4. Chassis Assy Removal ............................................ 36
2-5. F, H4 and K2 Boards Removal ............................... 36
2-6. J3 Board and Terminal Bracket Removal ............... 36
2-7. Service Position ...................................................... 37
2-8. Replacement Of Part ............................................... 37
2-8-2. Power Button ................................................ 37
2-8-1. Light Guide .................................................. 37
2-9. Picture Tube Removal ............................................. 37
3. SET-UP ADJUSTMENTS
3-1. Beam Lading ........................................................... 39
3-2. Convergence Adjusment ......................................... 40
3-3. Focus Adjustment .................................................... 42
3-4. G2 (Screen) and White Balance Adjustement ........ 42
4. CIRCUIT ADJUSTMENTS
4-1. Adjustment with Commander ................................. 43
4-2. Adjustment Method ................................................ 43
4-3. Picture Quality Adjustment .................................... 49
4-4. Deflection Adjustment ............................................ 49
4-5. A Board Ajustment After IC003 (memory)
Replacement ............................................................ 49
4-6. Picture Distortion Adjustment ................................ 50
5. DIAGRAMS
5-1. Block Diagram ......................................................... 51
5-2. Circuit Board Location ............................................ 52
5-3. Schematic Diagrams ................................................. 52
(1) Schematic Diagrams of F, J3 and H4 Boards ... 55
(2) Schematic Diagram of  A Board ....................... 56
(3) Schematic Diagram of C1 Board ...................... 73
(4) Schematic Diagrams of  K2 and V1 Boards ..... 75
Board Mark List ...................................................... 77
5-4. Voltage Measurements ............................................. 80
5-5. Waveforms ................................................................ 82
5-6. Printed Wiring Boards and Parts Location .............. 83
5-7. Semiconductors ........................................................ 91
6. EXPLODED VIEWS
6-1. Picture Tube .............................................................. 93
6-2. Chassis ...................................................................... 95
7. ELECTRICAL PARTS LIST ........................... 97
Page of 90
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Download Sony KV-XA21M83 Service Manual (Repair Manual)

Here you can read online and download Sony KV-XA21M83 Service Manual in PDF. KV-XA21M83 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony KV-XA21M83 TV. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.