Sony KV-27FS13 Service Manual page 28

BLOCK DIAGRAM (4 OF 6) (KV-27FV17/29FV17/29FV17C ONLY)
(POWER SUPPLY)
(DEFLECTION)
(TUNER/IF)
(AUDIO)
(MTS)
TU101
CLOCK
DE-EM OUT
L OUT
R OUT
DATA
AGC
RF AGC
Q101
F MONO
MODE
SAP LED
ST LED
D622
STANDBY CIRCUIT
DET-OUT D4SB60L-F
AC RECT
VIDEO
D623
AFT OUT
9V 9V
30V 30V
5V 5V
CONVERTER
Q605
PROTECT
Q606
SWITCH
Q608
STBY DRIVE
Q607
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 IN
2
AC
VDR601
AC 1
D605
D4SB60L-F
AC RECT
J201
S-VIDEO
BUFFER
Q201
BUFFER
Q402
BUFFER
Q401
1
T604
SRT
MUTE
:STAND BY
3
Q205,206
4
D626
5 9
C636
6 8
H DRIVE
1 18
T603
5 16
4 15
+B +B
3 17
RECT
CONVERTER V OUT
D
2 13
IC502
IC601
VIN
LOW B LOW B
14 REF
S RECT
OCP/FB
8 12
AUDIO AUDIO
7 11 RECT VCC
9 10
R645
PH600
PHOTOCOUPLER 10k
4 1
ERROR AMP
3 2 +B
IC602
SW
Q601,602
Q603
5V REG
LOW B 5V
IC604
A B
+B 9V
IN1+
OUT1+
IN2+
AUDIO AMP OUT3-
IN3+
IC402 OUT4+
IN4+
OUT2-
VOL-CTRL VOL-CTRL
MUTE
Q410 Q411
T501
1 4
2
H OUT HV
3 6 1
Q501 Q502
4
200V
OCP
T505
2
Q505 FBT
7
FV
8
G2
V HOLD
IN+1
9
CNTRL SW
OUT2
IC501 Q506,507
IN-1
0
OUT IN+2
11
ABL
6
DF
H
0 5
T503
PIN DRIVE
Q503
PIN OUT
5 1
Q504
3
T504
4 2
9V REG
LOW B 9V
IC603
CN502
— 28 —
KV-27FS13/ 27FS17/ 27FV17/ 29FV17/ 29FV17C/ 32FS13/ 32FS17/ 34FS13C/ 34FS17
C D
F
E
9V
STBY 7.5V
STBY
+5V
SET9V
SET5V
30V
SET9V
RELAY DRIVE
Q604
STBY
CN4001 CN2003 +5V
1 POWER-SW POWER-SW 1
FUNCTION
2 GND GND 2
SWITCHES
(KEY) 3 KEY-SW KEY-SW 3
TP508
TP507
TP 506
BA5-911-FV-BD
1 IR SENSOR
STBY 5V
2 G
CN2004
3 GND
4 LED-TIMER
5 LED-MPWR
9 GND
8 O-MONO
O-SAP
7
6 I-SAP
H
I-STEREN
5 CN2007
4 MAIN1
MAIN2
3
2 AFT
1 AGC MUTE
10 SET9V
9 I-HLDWN
HD
8
7 GND
CN2006
ABL I
6
5 EW
VD+
4
3 VD-
2 MONITOR
1 V3
10 PIP-L
9 SDAT
SCL
8
7 SET5V
CN2005
30V
6
J
5 SET9V
V1
4
3 GND
Y1
2
1 C1
+ SPR
1 SPK R+
2 SPK R-
CN406
3
SPK L-
4
SPK L+
+ SPL
GND
1
2 MENU SW
3 NC
4 FRONT V
K
CN503
5 FRONT Y
6 FRONT C
7 FRONT R
FRONT L
8
9 GND
1 LED-TIMER
2 POWER-SW
3 IR(SENSOR)
4 MENU-SW
5 KEY-SW
L
6 STBY +5V
CN2001
V2(VIDEO2)
7
8 GND
9 Y2
10 GND
11 C2
V DY(+)
6 V DY+
V DY(-)
5 V DY-
4 H DY-
H DY(-)
H DY-
3
2 H DY+
H DY(+)
H DY+
1
CN501
M