Diagrams; Block Diagram - Audio/Video Section - Sony Glasstron Lite PLM-A35E Service Manual

4-1. BLOCK DIAGRAM – AUDIO/VIDEO Section –
(ON: PLUG IN)
1
Y
3
C
4
2
J401
S VIDEO IN
3 1
COMB FILTER
(Y/C SEPARATOR)
FL401
4 6
J402
A/V IN
-1
LINE AMP
Q202
LINE AMP
Q201
-2
05
SECTION 4

DIAGRAMS

VIDEO SELECT SWITCH,
VIDEO AMP
IC401
SW1 SW2
2 4
OUT 7
IN1
1
IN3
5
IN2
3
VIDEO SELECT SWITCH,
VIDEO AMP
IC402
2 SW1
SW2
4
IN1
1
OUT 7
IN2
3
HEADPHONE
AMP
IC201
IN 2 OUT 2 (HEADPHONE)
14 2
L
VREF 3
13 IN 1
OUT 1 4 (HEADPHONE)
R
RV201
VOL
S201 MUTE SW 11
AVLS 5 MIX OUT
6 AVC IN
ON
OFF
4-1
SYNC LEVEL
CLAMP
BUFFER SHIFT
Q402
IC407 IC405 (1/4)
BUFFER
Q408
LEVEL
SHIFT
IC405 (2/4)
SYNC SIGNAL GENERATOR
IC404
RST 1
LEVEL
SHIFT COMP
3 VD 2
IC405 (4/4)
XT XT
6 7
X401
3.58MHz
17 CV/S
EXT VIDEO
18
32 PBV
H SYNC
40
SYSTEM
CONTROLLER
IC301 (1/2)
41 VOW 0
CS EPROM 91
DATA TO MASTER 75
WE EEPROM
92
MUTING
VIDEO MUTE
11
Q401, 413
CS LCD 78
LEVEL
SHIFT V SYNC
39
IC405 (3/4)
MODECON SCK 77
DATA TO SLAVE 76
AUDIO MUTE
10
X1
4
XTL301
CSDA
10MHz 93
3 X0
CL1
99
X301
32.768kHz
100 CL0
4-2
Y
A
(Page 4-3)
C
B
(Page 4-3)
EEPROM
IC302
1 CS
4 DO
2 SCK
3 DI
6 RST
RG CS
C
(Page 4-3)
ATT CLK
D
Q302, 830
(Page 4-3)
ATT DATA
E
Q301, 831
(Page 4-3)
BUFFER DACS
F
Q305
(Page 4-3)
• SIGNAL PATH
: AUDIO
: VIDEO
Confidential
PLM-A35E (AEP)