![Sony TRINITRON KV-J25MF8J Service Manual Download Page 28](http://html.mh-extra.com/html/sony/trinitron-kv-j25mf8j/trinitron-kv-j25mf8j_service-manual_1330291028.webp)
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
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
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 –