Block Diagrams (2) - Sony KV-32LS65AUS Service Manual

5-1. BLOCK DIAGRAMS (2)

SCAN RATE CONVERTER,
COLOUR DECODER AND I/O
VIDEO SWTICH
IC3200
100Hz BUFFER
Y SCAN RATE
Y IN 100
2 AY OUT 100
BACKEND
Q3300
AU OUT 100 79
BLK 100
8 NC AY OUT 100 76
H SYNC
17 H OUT 100
V SYNC
23 V OUT 100 X IN 70
BLK 1
37
FBL 1
BLK 2
38 FBL 2 X OUT 69
RED IN 1
39 R IN 1 CVBS OUT 1 63
GREEN IN 1
40 G IN 1
CVBS OUT 2 62
BLUE IN 1 CVBS PIP
41 B IN 1 CVBS OUT 3 61
RED IN 2 C FRONT
46 R IN 2 CVBS 7 58
Y/CVBS FRONT
GREEN IN 2
47 G IN 2 CVBS 6 57
BLUE IN 2 C IN 3
48 B IN 2 CVBS 5 56
VIDEO RF V/Y IN 3
52 CVBS 1 55
CVBS 4
V IN 1 V IN 2
53 CVBS 2 CVBS 3 54
A 2/2 ( )
VIDEO AND AUDIO PROCESSORS, AUDIO
OUTPUT, VERTICAL DEFLECTION
CN6981
1
AC
IN 2
TO A BOARD
6dB AMPLIFIER
FOR THE
SELECTABLE
OUTPUT CVBS
PART OF
(3RD SCART)
OVERVOLTAGE
Q3202
PROTECTION
Q5816
6dB AMPLIFIER
FOR THE
SELECTABLE
V OUT 3
OUTPUT CVBS
(3RD SCART)
Q3200
6dB AMPLIFIER
FOR THE
MONITOR
OUTPUT CVBS
(2ND SCART)
Q3204
6dB AMPLIFIER
OVP
FOR THE
MONITOR
V OUT 2
OUTPUT CVBS
(2ND SCART)
COINCIDENCE
Q3201
VIDEO RF
DETECTOR
Q1005
100Hz BUFFER
U SCAN RATE V IN 100
BACKEND
Q3302
100Hz BUFFER
U SCAN RATE
U IN 100
BACKEND
Q3301
H SYNC
V SYNC
CVBS TXT
12 C ADAPTOR
+3.3V 5V - 3.3V
Q3500
12 C ADAPTOR
5V - 3.3V
Q3501
POWER
CN6982
1
TO G BOARD
5 CN6001
D0983
CN0981
+5V
LED 2
IC0981
TO A BOARD
1 CN0103
SIRCS
OUT
F2 ( )
POWER SWITCH
&FUSE, LED AND IR
RECEIVER
SHEET1
CN7301
CN6200
1
TO G BOARD
CN6008
2
TO A BOARD
CN7001
CN0101
SCL A3
B3
SDA
LED A4
B4
SIRCS
A5
AGC
MODE 3 B5
B6
OVP
A7
GROUP DELAY
B7
OCP
A8
COINCIDENCE
MAIN RY B8
A9
DGC RY
B TEXT B10
G TEXT B11 TO M BOARD
CN0001
A12
RESET AUDIO
R TEXT B12
A13
AUDIO MUTE
B13
FS 100
MODE 1 A14
A15
AV LINK
B15
MODE 2
LINE MUTE B16
A17
H SYNC
V SYNC B17
A19
TXT VIDEO
A20
KEY
12C DISABLE B20
CN0102
SERVICE CONNECTOR
SCL 2
3
SDA
WOOFER MUTE
4
CS
5
AGC
TO A BOARD
CN2502
TO A BOARD
CN2000
- 26 -
VIDEO OUT (RED)
1 R-
1 VB
R+
2
3 VI
3 G-
5 IK
4 G+
5 B-
6 B+
VIDEO OUT (GREEN)
9 IK
VB
1
3 VI
5 IK
STANBY SW
Q7355
VIDEO OUT (BLUE)
STANBY SW
Q7352
1 VB
STANBY SW
VI
3
Q7353
VOLTAGE DET
IK
+12V 5
Q7354, 7350
CN2908
1
R OUT 2
3
R IN
L IN 5
L OUT 6
CN2906
AUDIO L 6
AUDIO R 9
Y/CVBS 4
C 2
H2( )
FRONT AV AND
HEADPHONE
FV
TO D BOARD
FV (T8800)
J7375
IC7300
G4
R
10
VO 8
G
9
B
8
IC7325
G2
13
H1
3
PICTURE TUBE
VO 8
HV
TO D BOARD
IC7350
HV (T8800)
CN7300
H1
TO D BOARD
5
VO CN8614
8
RV7375
G2
( )
C
R,G,B OUT
J2900
J2900
HEADPHONES
CN2900
L
R
VIDEO
1
Y/C
3
4
2