KV-XA25M60 - Sony TV Service Manual (repair manual)

kv-xa25m60 service manual
Model
KV-XA25M60
Pages
114
Size
10.56 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa25m60.pdf
Date

Read Sony KV-XA25M60 Service Manual online

MODEL
COMMANDER DEST. CHASSIS NO.
CHASSIS
TRINITRON 
®
 
COLOR TV
SERVICE MANUAL
BG-3R
MODEL
COMMANDER   DEST.
CHASSIS NO.
KV-XA25M60
RM-954
Thailand
SCC-U49F-A
KV-XA25M63
RM-954
Thailand
SCC-U49H-A
KV-XA25N90
RM-914
Taiwan
SCC-U54C-A
1
4
7
-/--
2
5
8
0
3
6
9
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
RETURN
MENU
PIC MODE
WAKE UP
SOUND
MODE
SLEEP
CABLE
AUTO
PROGRAM
ADD/
ERASE
FAVORITE
SURROUND
MTS
MUTING
DISPLAY
POWER
VIDEO
TV
1
2
5
8
7
4
0
3
9
6
RM-914
RM-954
KV-XA25M63
KV-XA25M60/XA25N90
– 2 –
KV-XA25M60/XA25M63/XA25N90
RM-954
RM-914
SPECIFICATIONS
(KV-XA25M60/XA25M63)
Note
Power requirements
220-240 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, DK; A2 Stereo/Bilingual B/G
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: Z1 to Z39, S01 to S03, S1 to S41
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)
8W + 8W (TWEETER supplied)
KV-XA25M60
6W + 6W
KV-XA25M63
3D WOOFER
15W
KV-XA25M63
Number of terminal
D
 (Video)
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 1 V
P-P
, 75 ohms
 (Audio)
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 500 mVrms
 (S Video)
Input: 2
Y : 1 Vp-p, 75 ohms,
unbalanced, sync
negative
C : 0.286 Vp-p, 75 ohms
 (Component Video)
Input: 1
Phono jacks
Y : 1 Vp-p, 75 ohms,
sync negative
C
B
 : 0.7 Vp-p, 75 ohms
C
R
 : 0.7 Vp-p, 75 ohms
Audio : 500 mVrms
2
 (Headphones)
Output: 1
Stereo minijack
Picture tube
25 inch
Tube size
64
Measured diagonally
Screen size
60
Measured diagonally
Dimension (w/h/d, mm)
696 x 513 x 500
KV-XA25M60
696 x 539 x 500
KV-XA25M63
Mass (kg)
38
KV-XA25M60
40
KV-XA25M63
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-XA25M60/XA25M63/XA25N90
RM-954
RM-914
SPECIFICATIONS
(KV-XA25N90)
Note
Power requirements
110 V AC, 60 Hz
Power consumption (W)
Indicated on the rear of the TV
Television system
M
Color system
NTSC3.58, PAL*, PAL 60*, SECAM*, NTSC4.43*
* AV IN ONLY
Stereo/Bilingual system
MTS
Channel coverage
M
VHF: 2 to 13 / UHF: 14 to 69 /
 
CATV: 1 to 125
˘
 (Antenna)
 
75-ohm external terminal
Audio output (Speaker)
8W + 8W
Number of terminal
D
 (Video)
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 1 V
P-P
, 75 ohms
 (Audio)
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 500 mVrms
 (S Video)
Input: 2
Y : 1 Vp-p, 75 ohms,
unbalanced, sync
negative
C : 0.286 Vp-p, 75 ohms
 (Component Video)
Input: 1
Phono jacks
Y : 1 Vp-p, 75 ohms,
sync negative
C
B
 : 0.7 Vp-p, 75 ohms
C
R
 : 0.7 Vp-p, 75 ohms
Audio : 500 mVrms
2
 (Headphones)
Output: 1
Stereo minijack
Picture tube
25 inch
Tube size
64
Measured diagonally
Screen size
60
Measured diagonally
Dimension (w/h/d, mm)
696 x 513 x 500
Mass (kg)
38
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-XA25M60/XA25M63/XA25N90
RM-954
RM-914
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
5
1. GENERAL
........................................................................
8
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 41
2-2.
Rear Cover Removal ................................................ 41
2-3.
Speaker Removal ..................................................... 41
2-4.
Chassis Assy Removal ............................................. 41
2-5.
F Bracket Removal .................................................. 41
2-6.
Service Position ....................................................... 41
2-7.
Replacement of Parts ............................................... 42
2-7-1 Replacement of Light Guide ..............................................
42
2-7-2 Replacement of Power Button ...........................................
42
2-8.
J and J1 Boards Removal ......................................... 42
2-9.
Terminal Bracket Removal ...................................... 42
2-10. B1 Board Removal ................................................... 42
2-11. H Board Removal .................................................... 42
2-12. A and B Boards Removal ........................................ 43
2-13. Picture Tube Removal .............................................. 43
2-14. Removal of Anode Cap ............................................ 43
3. ADVANCE OPERATION
3-1.
"RESET" Function ................................................... 44
4. SET-UP ADJUSTMENTS
4-1.
Beam Landing .......................................................... 45
4-2.
Convergence Adjustment ......................................... 46
4-3.
Focus Adjustment .................................................... 48
4-4.
G2 (Screen) and White Balance Adjustments ......... 49
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustments with Commander ................................ 50
5-2.
Adjustment Method ................................................. 50
5-3.
Picture Quality Adjustments .................................... 55
5-4.
Deflection Adjustment ............................................. 55
5-5.
H-Trapezoid Adjustment ......................................... 56
5-6.
A Board Adjustment after IC003 Replacement ...... 56
5-7.
Picture Distortion Adjustment ................................. 57
Section
Title
Page
6.
DIAGRAMS
6-1. Block Diagram .......................................................... 59
6-2. Circuit Board Location ............................................. 61
6-3. Schematic Diagrams ................................................. 62
(1) Schematic Diagram of H Board ......................... 63
(2) Schematic Diagram of A Boards ........................ 65
(3) Schematic Diagram of B Boards .......................  81
(4) Schematic Diagram of C6 and B1 Boards ........  89
(5) Schematic Diagram of VM1 Board .................... 91
(6) Schematic Diagram of  J, J1 and F Boards ........ 93
6-4.
Voltage Measurements .............................................. 98
6-5.
Waveforms .............................................................. 103
6-6.
Printed Wiring Boards and Parts Location ............. 105
6-7.
Semiconductors ....................................................... 112
7.
EXPLODED VIEWS
7-1.
Picture Tube ............................................................ 114
7-2.
Chassis .................................................................... 115
7-3.
3D Speaker .............................................................. 115
8.
ELECTRICAL PARTS LIST
.................................... 116
Page of 114
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Download Sony KV-XA25M60 Service Manual (Repair Manual)

Here you can read online and download Sony KV-XA25M60 Service Manual in PDF. KV-XA25M60 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony KV-XA25M60 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.