Sony KV-21FT1B Service Manual page 23

5-2. BLOCK DIAGRAMS (1)
IC001
MICRO, VIDEO PROCESSOR,
ROM, AUDIO, VIDEO SWITCH
CN001
+3.3V
5 6 LED XTAL IN 63
STBY
4 XTAL OUT 64
IC002
REMOTE CONTROL
1 RECEIVER
+5V
1 VCC OUT 2 67
STBY AUD OUT/CV6520 48
AUDIO MUTE 5
TU101
AGC LOWB
SCL
6
SCL
IC004
WP 7 NVM WP
SDA 79
5 SDA
71 SCL
72 SDA
VIDEO CVBS2/
36
CVBSY2
FUNCTION SWITCH
2 KEY/CS 68
S001 - S006
J401
3 AGC
(1/2)
A7 BLUE IN
53 B2/UIN
A8 MODE1
1 MODE1 69
B8 MODE2
80 MODE2
A11 GREEN IN R0 58
52 G2/YIN
G0 57
A15 RED IN
51 R2/VIN
B0 56
B15 C2 IN
46 -/C4
IK 55
A16 BLK
50 INSSW2
A20 V IN 1 EWD 17
40 CVBS1
VD- 18
B20 Y/V IN 2
45 -/CVBS4Y4
VD+ 19
IC003
65 KEY/CS
RESET
ABL 54
A2 AUDIO
32 AUDIO 1
ROT COIL 73
AUDIO
L 29 AUDIO 2
VIDEO
VIDEO 42 CVBS3 STBY 70
BUFFER
Q401,411
A ( )
POWER SUPPLY, DEFLECTION,
SMALL SIGNAL BOARD,
AUDIO AMPLIFIER
23
CN1201
4
R AUDIO
TO SPEAKERS
1
L AUDIO
S601
J1200
CN601
POWER
IC201
AUDIO AMP 1
LINE FILTER
1 IN/INL 2 T601
OUT/L 14
10 MUTE
MUTE SW
Q212
CN603
DGC
1 CHECK
2
DGC CHECK
CN602
3 1 DGC
-
1
+5V STBY 2 DGC 3 DGC
+
J401
5 (2/2)
+ A10
7
+5V STBY 6
- B10
IC401
A19
AV LINK
CN504
RED 1
GREEN 2
TO C BOARD
BLUE 3 CN703
IK 4
T602
2
1
5 4
CN510
NSC CORRECT 7 TO C BOARD 7 3
CN1705
D632
RECT
24
IC604 IC501
1 +8V
PH601 2 DUAL DC REGULATOR V OUTPUT
ISOLATOR
VD+
4 1 7
IN
LOWB
MAIN RECT VP
3 BOOST
D601
RELAY
3 2 VD-
RY601 1
REF
IC601
T603
2 FB VD 18
SRT
VGCH 16 Q606 IC531
D617 PIN CORRECTION
18 1
1 VSENSE
D608 D116 +B EW
IC603 2
3 CT 17 2 1 5 -
ERROR AMP
4 RT
6 +
HP
6
TIMER +B PROTECT
VG(G) 12 Q607 16 12 D639
7 SS 3 +
RELAY RECT
AUDIO
SWITCH 9 OCP VS 15 15 11 2 -
VCC
Q601
D619
8 LOWB
7
D618
6
D622
5 VM VCC
D624
4
QCP DETECT
3
Q612, 602
IC609
C
5 STANDBY
POWER
D
4 +B
HP D571,
IC608 Q571,574
3.3V REG STBY
+3.3V
T531
HDT
HD H-DRIVE H-OUT
Q535 Q533
DY ASSY
V- DY+ 6 V- DY+
OUT 5
V- DY- V- DY-
5 V DY
H- DY- 4
H- DY- 3 H DY
H- DY-
H- DY+ 2
H- DY+ 1 H- DY+
CN703
R R DRIVE, BKG
PIN OUT 6
7 Q532 G
5
TO A BOARD
B
CN504 4
G DRIVE, BKG
1
B DRIVE, BKG
CN707
TO A BOARD
1
+200V
CN502
H2
T511 5
FBT
HV
TO PICTURE
1 TUBE CN706
G2 G2 1000V
1
4 TO C BOARD TO T511 FBT
CN706
3
FV
5 CN1705 1
13
IC1801
TO A BOARD 3
6 3 2
12 CN510
ABL
8 7
11
D513
10
+15V RECT
9
8
7
D514
-15V RECT
CN508
H1 5
200V 1 TO C BOARD
CN707
25
R
R OUT
Q702, 703 Q704
G
G OUT
Q705, 706 Q 707 PICTURE TUBE
H R
B G G
B OUT C
2 4
V
Q708, 709 Q710
H
V
H1
H2
RCV
RV702
H STAT
G2
CN1801
1
TO
TO A BOARD
ROTATION T511 (FBT)
COIL
3
26