DOWNLOAD Sony KV-XA25P52A Service Manual ↓ Size: 4.12 MB | Pages: 68 in PDF or view online for FREE

Model
KV-XA25P52A
Pages
68
Size
4.12 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa25p52a.pdf
Date
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– 33 –
KV-XA25P52A
RM-952
17. Copy (item from NORMAL MODE (60Hz)) adjusted data
for the following items:
Service Item
GEO : 01
HSZ
H SIZE
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
18. Raise/lower the data with the 3 and 6 buttons. Select and
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
19. After confirm WIDE MODE : ON – OFF.
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
4-5. H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dot signal.
2. Adjust RV1801 on C6 board to make H-trapezoid distortion
best.
4-6. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1. Enter to Service Mode.
2. Press commander buttons 5 and - (Data Initialize), and
2 and - (Data Copy) to initialize the data.
3. Call each item number and check if the respective screen
shows the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
[MUTING]
 + -).
4. Select item numbers “OPB0” (OP1), “OPB1” (OP2),
“OPB2”  (OP3), “OPB3” (OP4) and respectively set the bit
per model with command buttons 3 and 6.
5. Press commander buttons 8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 34 –
KV-XA25P52A
RM-952
4-7. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
PICTURE DISTORTION ADJUSTMENT (2)
GEO 0
HPS (H POSITION)
GEO 1
HSZ (H SIZE)
GEO 2
PAP (PIN AMP)
GEO 5
VSZ (V SIZE)        
GEO 7
VLN (V LINEARITY)  
GEO 4
VPS (V POSITION)
GEO 6
SCO (VERTICAL S-Correction)
GEO 8
BOW (AFC.BOW)
GEO 9
AGL (AFC.ANGLE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A UPN (UPPER CORNER PIN)
GEO 0B LPN (LOWER CORNER PIN)
H-TRAPEZOID (Rotate RV1801)
KV-XA25P52A
RM-952
KV-XA25P52A
RM-952
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
MAIN. TUVIF
<slave: 90H>
TU101
BTF-LG413
<slave:C0H>
YC JUNGLE
IC301
CXA2159S
<slave:88H>
TV V in
TV L in
TV R in
TV Y in
V I Y in
V 2 Y in
46
43
4
V1 Y in
V1 L in
V1 R in
    V2 Y in
V2 L in
 
V2 Y in
V2 L in
V2 R in
V2 R in
L out 2
R out 2
JACK BLOCK
J7402
PIN 9P
VIDEO IN 1
VIDEO IN 2
VIDEO IN 2
(FRONT)
AUDIO
PROSESSOR
IC7203
  TDA7429S
  <slave: 90H>
AUDIO OUT
IC201
TA8223K
RED OUT
GREEN OUT
BLUE OUT
VIDEO AUP
Q701-712
IC1800
LA6510
H
SP ASSY
R out
CRT SOCKET
G out
CRT
A60LPN70X 
NECK ASSY
DY
Y25RSA
B out
R out
V out
U out
Y out
Y in
U in
V in
VM out
G out
B out
24
25
26
23
21
20
13
15
16
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD- 
VM DRIVE
Q5902/5906
H-OUT
Q511
2SD2578-CA
V-OUT
IC503
TDA8172
HDT
T501
H-DRIVE
Q506
2SC2688-LK
PIN-CONT
IC502
NJM2903M
PIN-OUT
Q505
IRF614
PMT
T505
HLT
T504
FBT
T503
NX-4009
+B
Audio Front Vcc
+9V
11V
7V
+5V
5V REG & RESET
IC002 MM1319AFBE
9V REC IC603
5V REC IC604
STB TRANS
T604
STB SW TR
Q605 
2SK2845
SRT
T603
POWER
IC601
STR-F6656
LINE FILTER
T601
THP
THP600
DGC
Additional
Color Matrix
SYSTEM
u
com
IC001
CXP86449
RECEIVER
 SBX3081-21
  IC3901
H
SIRCS
B G R
BLK
I2L
MEMORY
IC003
M24C08
41 40 39
34 33 32
17
28 29 30 31
R out
L out
 
AUDIO MIXER
  IC7204 UPC4558G2
Q7310
MSD601-RT1
IC7501
SWITCH
PNC 
& ADC
(SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION TUVIF, 
 FRONT AMP, POWER SUPPLY)
A
VM1
(VELOCITY 
MODULATION)
C6
(RGB OUT & PICTURE ROTATION)
(FRONT AV IN, 
SENSOR, 
POWER SWITCH)
(CISPR, A/C 
FUSE, A/V 
INPUT, 
MONITOR 
OUT)
B9 
B9
LINE 
FILTER
T7601
T7602
AC CORD
(CISPR, A/C FUSE, 
A/V INPUT, 
MONITOR OUT)
J3903   3P
MONITOR
OUT
J1
(DVD 
TERMINAL)
V
U
Y
L
R
40
41
– 36 –
– 35 –
– 37 –
KV-XA25P52A
RM-952
5-2. CIRCUIT BOARDS LOCATION
VM1
A
J1
B9
H
C6
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