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TRINITRON KV-29FS12A
Service manual
Diagrams; Block Diagram - Sony TRINITRON KV-29FS12A Service Manual
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6.1 BLOCK DIAGRAM (1/2)
Y
J206
Y,PR,PB
PB
INPUT
AUDIO
PR
J205
L
YCBCR AUDIO
AUDIO
INPUT
R
J402
R
REAR VAR/FIX
AUDIO
OUTPUT
L
VIDEO
J203
REAR A/V
L
INPUT
AUDIO
R
VIDEO
J202
FRONT A/V
L
INPUT
AUDIO
R
+B
1
135V
135V
1
+B
2
NC
NC
2
3
GND
GND
3
GND
GND
9V
4
4
C
9V
9V
9V
S
5
5
Y
HP
HP
3
4
6
6
VD+
VD+
1
2
7
7
CN515
CN800
J201
BUFFER
S-VIDEO
Q801
CN504
CN802
V
DF
DF
1
1
L
R
SW
Q803,804
TU101
9V
9V
30V
30V
5V
5V
DATA
CLOCK
DE-EM OUT
F MONO
MODE
SAP LED
ST LED
DET-OUT
VIDEO
AFT OUT
RF AGC
L OUT
R OUT
D622
STANDBY CIRCUIT
D4SB60L-F
AC RECT
CONVERTER
Q605
PROTECT
Q606
RY602
RELAY
AC POWER
RY601
CN603
DGC RELAY
DGC
DGC
3
NC
2
DGC DRIVER
LOW B
DGC
1
Q609
CN602
T602
F601
AC IN
AC
2
VDR601
AC
1
D605
D4SB60L-F
AC RECT
S901
AC POWER
AC IN
CN901
CN902
AC
1
1
AC
AC
2
2
AC
(AC POWER)
— 31 —
SECTION 6 DIAGRAMS
(POWER SUPPLY)
(DEFLECTION)
(TUNER/IF)
(AUDIO)
(MTS)
(CONVERGENCE)
HP
HP
QP DRIVE
Q812
IC803
Q811
DF-COMP
SW
BUFFER
IC802
Q810
Q809
CN801
1
QP DRIVE
2
9V DRIVE
V MOD
3
V MOD
BUFFER
V MOD
IC801
V MOD
4
Q802
Q805,806
1
T604
SRT
D623
:STAND BY
3
4
D626
5
9
C636
6
8
SWITCH
Q608
STBY DRIVE
Q607
H DRIVE
Q501
1
18
T603
5
16
4
15
+B
+B
3
17
RECT
CONVERTER
D
2
13
IC601
VIN
V OUT
LOW B
LOW B
14
IC502
S
RECT
OCP/FB
8
12
REF
AUDIO
AUDIO
7
11
RECT
VCC
9
10
R645
PH600
10k
PHOTOCOUPLER
4
1
ERROR AMP
3
2
+B
IC602
SW
Q601,602
Q603
5V REG
LOW B
5V
LOW B
IC604
CN301
Y-TO-YUV
1
CR
2
A
3
CB
4
GND
CN460
CN450
1
MON-L
MON-L
1
AUDIO
MUTE
BUFFER
2
MON-R
MON-R
2
PROCESSOR
Q430,431
Q432,433
3
VAR/FIX-R
VAR/FIX-R
3
IC404
VAR/FIX-L
VAR/FIX-L
4
4
OUT-A
5
OUT-L
OUT-L
5
LINEA
6
OUT-R
OUT-R
6
OUT-B
LINEB
9V
7
9V
9V
7
9V
8
GND
GND
8
9
YUV-L
YUV-L
9
IN5
SCL
10
YUV-R
YUV-R
10
IN5A
V3-L
V3-L
IN4
SDA
11
11
12
V3-R
V3-R
12
IN4A
13
V1-L
V1-L
13
IN2
14
V1-R
V1-R
14
IN2A
15
MUTE
MUTE
15
16
NC
NC
16
17
TV-L
TV-L
17
IN1
TV-R
TV-R
IN1A
18
18
IN3A
19
V2-R
V2-R
19
20
V2-L
V2-L
20
IN3
(AUDIO PROCESSOR)
VELOCITY
(
)
MODULATION
CN506
CN901
VM
VM
5
5
9V
9V
9V
9V
4
4
E
E
3
3
NC
NC
2
2
+B
1
+B
+B
1
AGC
Q101
IN1+
VOL-CTRL
VOL-CTRL
IN2+
MUTE
Q410
Q411
IN3+
IN4+
OUT1+
AUDIO AMP
+B
OUT3-
IC402
OUT4+
OUT2-
T501
1
4
2
H OUT
HV
3
6
1
Q502
4
200V
OCP
T505
2
FBT
Q505
7
FV
8
G2
V HOLD
IN+1
9
CNTRL
SW
OUT2
IC501
Q506,507
IN-1
0
IN+2
11
ABL
OUT
6
DF
H
0
5
PIN DRIVE
Q503
PIN OUT
T503
Q504
(KEY)
5
1
T504
3
4
2
9V REG
9V
IC603
CN502
— 32 —
1
SCL
2
GND
B
CN904
SDA
3
CN402
DQP DRIVE
Q808
QP
QP
VM
CN902
QP H OUT
1
QP-
QP-
8
Q807
VM
QP-
QP-
2
7
3
QP+
QP+
6
4
QP+
QP+
5
5
E
E
4
6
E
E
3
7
VM
VM
2
AMP
VM OUT
VM DRIVE
VM
VM
8
1
Q903
Q905
Q901
Q904
Q906
Q902
SPSW
9
VM
8
STBY 7.5V
7
STBY 7.5V
6
GND
5
I-PROT
4
DGC
3
RELAY
HP
2
1
MUTE
9
GND
8
O-MONO
7
O-SAP
6
I-SAP
I-STEREN
5
4
MAIN1
3
MAIN2
2
AFT
1
AGC MUTE
SET9V
SET9V
10
9
I-HLDWN
8
HD
7
GND
6
ABL
5
EW
4
VD+
3
VD-
MONITOR
2
1
V3
10
PIP-L
9
SDAT
8
SCL
SET5V
SET5V
7
30V
30V
6
SET9V
5
SET9V
4
V1
3
GND
2
Y1
1
C1
1
SPK R+
2
SPK R-
3
SPK L-
4
SPK L+
CN406
4P
RELAY DRIVE
Q604
1
LED-TIMER
D2001
2
POWER-SW
IR DETECT
3
IR(SENSOR)
IC2001
4
MENU-SW
5
KEY-SW
STBY
6
STBY +5V
+5V
7
V2(VIDEO2)
8
GND
9
Y2
S2007
10
GND
S2008
11
C2
CN4001
CN2003
1
POWER-SW
POWER-SW
1
FUNCTION
2
GND
GND
2
SWITCHES
3
KEY-SW
KEY-SW
3
TP508
CN501
TP507
6
V DY+
5
V DY-
4
H DY-
3
H DY-
H DY+
2
TP 506
H DY+
1
BA5-892-BD
— 33 —
KV-29FS12A
C
CN2008
D
CN2007
CN2006
E
CN2005
F
+
SPR
+
SPL
CN2001
G
V DY(+)
V DY(-)
H DY(-)
H DY(+)
H
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