Sony KV-J25MF8J Service Manual ▷ View online
– 25 –
3A
BDR
00-3F
2C
B-Drive
CXA2050S
3B
GCF
00-0F
07
G-Cutoff
(Y/C/J)
3C
BCF
00-0F
07
B-Cutoff
Slv:88H
3D
RPO
00-03
01
Ref-Position
3E
PON
00-01
01
Pic-ON
3F
RON
00-01
01
R ON
40
GON
00-01
01
G ON
41
BON
00-01
01
B ON
42
AKF
00-01
00
43
ESY
00-01
00
44
AGG
00-01
00
45
ABL
00-01
00
Picture Booster
46
LIM
00-01
00
Black Offset
47
PB
00-01
00
Picture Booster
TDA9170
48
BOF
00-00
00
Black Offset
(Picture
49
UVG
00-3F
00
User Var Gamma
Improve)
4A
ADG
00-3F
00
Adaptive Gamma
Slv:D0H
4B
NLA
00-3F
00
Non-linear Amp
4C
WDS
00-02
00
Window Select
4D
LST
00-0F
00
Window Line Start
4E
LSP
00-0F
00
Window Line Stop
4F
FST
00-0F
00
Window Field Start
50
FSP
00-0F
00
Window Field Stop
51
VA
00-01
00
V Aperture on/off
CXA1315
52
VAW
00-03
00
V Aperture white
(V-AP)
53
VAB
00-03
00
V Aperture black
Slv:48H
54
VAC
00-0F
00
V Aperture core
55
SHP
00-3F
00
Sharpness
CXA1315
56
VML
00-3F
00
VM mitter
(LTI)
57
COR
00-3F
00
Conng
Slv:42H
58
DOF
00-3F
00
DSC Offset
59
DGA
00-3F
00
DSC Gain
5A
DLT
00-01
00
Delay Time
5B
SDL
00-0F
00
SEL Pin Delay
SDA9189X
5C
POH
00-FF
00
H Position(MSB 8bit)
(PinP)
5D
POV
00-FF
00
V Position
Slv:D6H
5E
PMD
00-1F
00
PinP Display Mode
5F
WRP
00-0F
00
Write Position
60
HDL
00-1F
00
HS Delay
61
AMS
00-01
00
Decimation Filter
62
VDL
00-1F
00
VS Delay
63
VSP
00-1F
00
VSP Delay
64
CON
00-0F
00
Contrast
65
FRY
00-0F
00
Frame Y
66
FRV
00-0F
00
Frame V
67
FRU
00-0F
00
Frame U
68
INF
00-01
00
Inner Frame
69
FWV
00-03
00
Frame Width V
6A
FWH
00-07
00
Frame Width H
6B
PLL
00-03
00
PLL Loop Filter
6C
PDV
00-0F
00
Pedestal V
6D
PDU
00-0F
00
Pedestal U
6E
DAT
00-01
00
DAC Stream Control
6F
DAN
00-01
00
DAC Control
Adjustment Item Table
Note: Bold items are fixed data.
Item
Adjustment
Data
Standard data
Note
Device
number
Item
range
J29
J25
– 26 –
Adjustment Item Table
Item
Adjustment
Data
Standard data
Note
Device
number
Item
range
J29
J25
ITEM INFORMATION
•
50 ... 50Hz data, 60 ... 60Hz data
•
Standard data listed on the Adjustment Item Table are reference values, therefore if is different for every model.
Note: Bold items are fixed data.
70
WIP
00-01
00
Wipe on/off
SDA9189X
71
WSP
00-03
00
Wipe Speed
(PinP)
Slv:D6H
Slv:D6H
72
FAW
00-FF
08
NICAM FAW Thresh
MSP3410
73
CTM
00-FF
08
NICAM Error Bit(MONO)
(Stereo Decoder)
74
CTN
00-FF
50
NICAM Error Bit(NICAM)
Slv:80H
75
WCD
00-FF
0A
W.G.DATA CHANGE
76
WST
00-FF
15
W.G.STEREO Threshold
77
WTM
00-FF
50
W.G.Timer
78
WBT
00-01
EA
W.G.bilingual Threshold
79
ACG
00-01
01
AGC AUTO/CONST
7A
CDB
00-3F
28
AGC GAIN CONST.
7B
FGP
00-7F
24
FM(BG,I,DK)Prescale
7C
FMP
00-7F
40
FM(M)Prescale
7D
WGP
00-7F
3C
W.G.Prescale
7E
NIP
00-7F
7F
NICAM Prescale
7F
CRM
00-01
00
Carrier Mute
80
CML
00-03
00
Carrier Mute Level
81
ACO
00-01
01
Audio Clock Out
82
WAC
00-0F
01
W.G.Agreement count
83
DLY
00-FF
30
Stereo Search Delay
84
DLG
00-FF
10
W.G.Search Delay
85
TXP
00-0F
0E
Text Picture cont.
SAA 5281
86
MXP
00-0F
0F
Text Mix Mode Pic
(Text decoder)
Slv:58H
Slv:58H
87
BB1
00-3F
00
BBE control High
CXA1315
88
BB2
00-3F
1D
BBE control Middle
(BBE)
89
BB3
00-3F
28
BBE control Low
Slv:40H
8A
ATW
00-03
00
Auto Wide Ident speed
CXP5068
(Auto wide)
(Auto wide)
8B
BKP
00-FF
00
Blk off Picture
CXP85340
8C
OSH
00-3F
0E
OSD Position H
(MICRO-
8D
ODL
00-FF
10
Power On Delay
CONTROLLER)
8E
BLU
00-01
01
Blue Back on/off
8F
ROC
00-0F
08
N/S Center Vol.
90
ROS
00-07
07
User Step
91
DKS
00-01
00
D/K Stereo Serch
92
MUT
00-01
01
No.Sync.Mute
93
DID
00-01
00
Disable Degauss
94
DWZ
00-01
00
Disable Widezoom
95
BCS
00-01
00
BASS Center Shift
96
BVS
00-01
00
BASS Volume Shift
97
WBS
00-03
01
Woofer off Bass Shift
98
OPO
00-FF
01
Option 0
99
OP1
00-FF
32
02
Option 1
5-6. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 0B
02 HSH(H POSITION)
03 HSZ (H SIZE)
06 PAP (PIN AMP)
07 PPH(PIN PHASE)
01 VSZ(V SIZE)
05 VLN(V LINEARITY)
00 VSH(V POSITION)
04 SCR(VERTICAL Scorrection)
0A VBOW(AFC.BOW)
0B VAG(AFC.ANGLE)
08 UCP(Upper Corner Pin)
09 LCP(Lower Corner Pin)
09 LCP(Lower Corner Pin)
SUB HUE ADJUSTMENT (SHU)
1. select Video1
2. Input a NTSC color-bar, video into video1.
3. Connect an oscilloscope to the pin 4 (B OUT) of CN117, A
board.
4. Select 34 (SHU) with 1 and 4 of the commandar by setting
to Service Mode and adjust to VB1=VB2=VB3=VB4 with 3
and 6.
5. Press MUTING →
0
of the commander to write the data.
6. Set to WIDE Mode by MENU button to write the same value
as in step 3.
PIP POSITION (POH, POV)
1. Receive a PAL color-bar.
2. Set the PIP picture by pressing PIP button of the commander.
3. Set to Service Mode.
4. Select 5A (POH) with the 1and 4of the commander to set
the data "14" with 3and 6.
5. Select 5B (POV) to set the data "27"
6. Press MUTING →
0
of the commander to write the data.
7. Check by changing using menu .
black
white
SUB COLOR ADJUSTMENT (SCO)
1. select Video1
2. Input a PAL color-bar, video into video1.
Set to the following condition:
PIC 100%, BRT 50%, COL 50%
3. Connect an oscilloscope to the pin 5 (B OUT) of CN117, A
board.
4. Set to Service Mode and select 33 (SCO) with 1 and 4 of
the commander to adjust to VB2=VB3=VB4 with 3 and 6.
5. Press MUTING →
0
of the commander to write the data.
6. Adjust 33 (SCO) as step 1~4.
7. Receive the NTSC color-bar and adjust as step 6.
VB1 VB2 VB3 VB4
VB2 = VB3 = VB4
VB1 VB2 VB3 VB4
VB2 = VB3 = VB4
2.45
±
0.05 Vp-p
5-3. PICTURE QUALITY ADJUSTMENTS
Item Number 33-36
33 SCO
Sub-Color
34 SHU
Sub-Hue
35 SBR
Sub-Bright
5-4. A BOARD ADJUSTMENT
SUB CONTRAST ADJUSTMENT (SCN)
1. Receive a PAL color-bar.
2. Set service item 3E GON and 3F BON to data "00". Set the
PICTURE 100%, BRIGHT 50% and COLOR MIN.
3. Connect an oscilloscope to the pin 6 (R OUT) of CN117, A
board.
4. Set to Service Mode and select 32 (SCN) using 1 and 4 of
the commander to adjust to 2.10
±
0.05V.
5. Press MUTING →
0
of the commander to write the data.
6. Receive a NTSC color-bar and adjust 32 (SCN) as step 2~5.
7. Set servce item 3E GON and 3F Bon to data "01".
5-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003(MEMORY) be sure to change IC001(
µ
-COM)
to the following new IC at the same time.
IC001 (
µ
-COM)
•
GE, EM, E, HK model
CXP85340A-072S to CXP85340A-099S (8-752-880-11)
•
ME (Arabic) model
CXP85340A-084S to CXP85340A-098S (8-752-879-23)
1. Enter to Service Mode.
2. Press commander buttons 5 and
0
(Data Initialize), and 2
and
0
(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 +
0
).
4. Select item numbers “95” (OP0) and “96” (OP1) and
respectively set the bit per model with command buttons 3
and 6.
5. Press commander buttons 8 and
0
(Test Normal) to return to
the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 28 –
–27–
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM
TU001
TUNER
TUNING CONTROLLER
IC001
58
57
7
8
40
9
36
1
5
4
LT
RT
VT
VIDEO 3 INPUT
S
4
3
2
1
J902
CN905
CN103
CN102
CN103
R3
L3
V3
C3
Y3
S3
R
L
V
VIDEO
IN2
V
L
R J1202
R
L
V
RM
LM
VM
OUT
MONITOR
J1202
V
L
R
R1
L1
V1
R2
L2
V2
A/V SELECT
IC1201
2
4
6
29
28
26
10
8
7
17
15
13
14
16
18
47
48
49
39
38
40
37
35
RED/
GREEN LED
D904
1
SIRCS
IC900
KEY-IN
MATRIX
S901-910
6
5
26
11
56
54
30
STBY
STBY
Q033
CN121
CN2201
EQ. CHANGE
IC2211, 2212
1 2 3
SW1
SW0
DAC4
IC2201
CN128
CN128
CN2208
CN2208
R
L
15
14
SCL
SDA
CN121
2
6
4
2
4
6
Y/C SEP
IC301
13
12
15
17
18
45
43
Y/C JUNGLE
IC104
6
60
62
64
57
56
37
36
28
30
33
32
43
39
31
27
16
60
MUTE
3
4
47
48
49
51
12
52
Q304
D303
D303
V MUTE
2
1
25
17
VM MUTE
REG
IC080
+5V
+9V
+9V
+11V
REG
IC201
+12V
AUDIO 30V
REG
IC205
+5V
+7V
REG
IC010
58
63
18
19
20
17
36
3
1
12
11
SCL
SDA
IC206
AUDIO PROCESSOR
13
9
MUTE
Q205, 210
2
4
11
MUTE
STBY
Q030
STBY 5V
Q211,D218
PROTECTOR
MUTE
IC203
RIPPLE FILTER
7
12
15
13 8
10
1
3 8
6
4
1
SP R
SP L
WOOFER
HEAD PHONE
J901
CN117
CN703
R
G
B
IK
1 4 2
+200V
H1
+1000V
PICTURE
TUBE
HV.FV
FROM FBT
H
V DV
H DV
5
6
1
3
1
5
7
V OUT
IC1501
DRIVE
7
6
3
1
IC1800
Q1803
HD SW
H DRIVE
T2502
N/S COIL
PIN DRIVE
IC2504
T2503,2504
X-RAY
S2501
S2502
+200V
+135V
-15V
+15V
+200V
1 4 2
+1000V
H1
T2602
PC SW
Q2601
+33V
LEVEL DED
IC602,603
7
6
8
COMP
OSC
DRIVE
1
SWITCHING REG
IC601
CLAMP
Q600
+33V
BACK UP
REG
Q601-603
STBY
+7V
+14V
+11V
AUDIO 30V
T601
SRT
135V
Q803,1501
34
44
7
11
12
1
12
11
9
10
13
15
14
23
24
25
22
21
SECAM PROCESSOR
IC354
19
20
16
14
5
12
11
1H DELAY
IC351
2
2
VELOCITY
MOD
Q961-963
Q965,967,968
QP DRIVE
Q1804,1805
QP
QP
MAIN TUNER,VIF,SIF
AV SW Y/C DECODE JUNGLE
VM(1/2)
(VM OUT)
REG
IC002
CN902
T801
FBT
D2600
5
6
BAND0
BAND1
TSW0
TSWI
AFTI
AGC
NICAM
TIMER
SIRCS
KEY1, 2
MUTE
11 CLK0
11 DAT0
STBY
DEGAUSS
HD SW
NS MUTE
NS ROT
H SYNC
H SYNC
V SYNC
V PULSE
YS
YS
BLK
R
G
B
PAL/NT
THR
D/A CONVERTOR
REF
6
4
1, 3
2
10
12
13
14
CN103
CN905
L1
R1
S1
R2
L2
V2
C3
Y3
V3
L3
R3
S3
VT
LT
RT
L
R
S1
R
L
V
C
Y
V
L
R
S3
V
L
R
V
L
R
L
R
C
Y
V
Y
C
MON2
MON1
S1
TV
S3
S2
Y
C
C
Y
PAL/NT
THR
V
CLK
V
SDA
SCL
VM
LM
RM
FSC
V
Y
C
SDA
SCL
VIDEO
EXT SYNC
R1
G1
B1
YS1
VTIM
R2
G2
B2
YS2
AFCP IN/
VD-
VD+
R
G
IK
B
HD
E-W
ABL
H OFF
SECAM
REF
Y
SCP
R-Y
B-Y
YRET
B-Y
R-Y
VM
SCL
SDA
SYNC
S REF
B-Y
R-Y
SIN
SYNC
NS ROT
NS MUTE
3
7
4
1
2
2
8
9
3
7
4
1
2
2
8
14
13
12
16
18
17
15
6
7
2
4
3
4
9
ROTATION
E/W
ABL
CN520
CN526
CN506
CN108
CN109
CN107
1
4
2
10
9
8
7
5
HV
DF
FV
11
H1
H2
ABL
1
5
1
3
5
1
1
4
6
5
4
1
6
5
4
1
10
11
10
11
2
3
2
3
1
6
1
6
L
R
7
8
7
8
4
12
2
14
1
15
4
12
2
14
1
15
RF
AFT
SW2
SW1
SCL
SDA
MS IF
SFI
IF
DE EM
DET
NC
SDA
SCL
MUTE
STBY 5V
QP-
QP+
VM
VM OUT
NECK
VM
DGC
RV2600
CN106
CN120
CN528
DEGUSS
(AC IN)
F1
CN2600
CN1804
Q105
Y/C SEP
YCM301
YCM301
RED
GREEN
MUTE
SCL
SDA
H3(1/3)
(CONTROL SW.)
RESET
BACK UP
H3(2/3)
(AV INPUT)
(FRONT)
S1(1/2)
S1(2/2)
(AUDIO EFFECT)
CN2201
C2
(RGB OUT)
CN901
DY ASS'Y
D
VM
(2/2)
(POWER SUPPLY DEFLECTION)
29 inch ONLY
CN0521
CN701
2
CN961
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q703
Q709
Q702
Q708
Q701
Q707
Q714
R OUT
IK LIMIT
G OUT
IK LIMIT
B OUT
IK LIMIT
BIAS
10
9
8
3
13
J701
FV
+9V
1 5
H. STAT
RV702
29 inch ONLY
H1
2
3
1
4
A
H3(3/3)
CN908
OUT
IN
CN901
CN905
QP+
QP-
3
2
CN518
ASS'Y
CN102
VIDEO
IN1
J903
41
•
42
55
AMP
IC2213,
2214
– 29 –
– 30 –
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