Diagrams; Block Diagram - Audio/Video Section - Sony PLM-S700E Service Manual

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM – AUDIO/VIDEO Section
APC CONT
A
(Page 4-10)
(ON: PLUG IN)
1
Y
3
C
4
2
J1401
S VIDEO Y/C SEPARATOR
IC1002
VIDEO CLAMP
L.P.F. VIDEO AMP
BUFFER D1002, 18 VIN
FL1001 Q1005 – 1009
Q1003 Q1004
J1002
AUDIO/VIDEO
SYNC GENERATOR
IC1003
29
SYNC BUFFER
6 VIDEO 4FSC 5
Q1019 – 1021
4 7
17.734475MHz
4FSC CONT
B
CLOCK
X1001
(Page 4-10)
IC1301, 1302
LINE SELECT SWITCH &
HEADPHONE AMP
LINE AMP
IC151
RV1301
IC1302
J1001
VOL
AUDIO IN
1 IN1
OUT 7 13 IN1
3 IN2
SEL 2
IC1301
1 IN1
OUT 7 14 IN2
3 IN2
SEL 2 BB SW
MIX OUT
AVC IN
MUTE SW 11
PC/XV AU CONT
C
(Page 4-5)
05
4-1
IC1009, 1010
VIDEO SELECT SWITCH &
VIDEO AMP
IC1010
1 IN1
CLAMP
VIDEO OUT 7
L.P.F. VIDEO AMP
Q1022
YOUT 5 3 IN2
BUFFER
FL1003 Q1015 – 1017
Q1014
SW1 2
SW2 4
COUT 7
IC1009
1 IN1
VIDEO
OUT 7
L.P.F. VIDEO AMP
BUFFER 3 IN2
FL1002 Q1011 – 1013
Q1010
SW1 2
SW2 4
SYNC DETECT
Q1001, 1002
HP401
OUT1 4 (HEADPHONE)
L
VREF 3
63
HP402
OUT2
2 (HEADPHONE)
R
XVIDEO
SYNC DET
LP 9 49 DBB MID ON
DBB SWITCH
Q153, 154
8 50 DBB NORM ON
5
AVLS SWITCH
48 XAVLS ON
Q156
6
AU MUTE
90
SYSTEM CONTROLLER
IC501 (1/5)
PC/XV AU CONT
19
VIDEO RGB DECODER
SYNC BUFFER
IC1001
39 SYNC Y
Q1024
Y 12
APC CONTROL SWITCH
IC1011
7
R-Y 13 16 R-Y IN
VIDEO
1 36 Y
BUFFER 6
Q1018
B-Y 14 14 B-Y IN
5
FSC OUT 27
X1003
4.433619MHz
PAL FSC 29
34 C
32FHVCO OUT 3
X1002
500kHz
32FHVCO IN1 1
D1001, 32FHVCO IN2 2
TIME CONSTANT
SWITCH 4 H AFC
Q1023
CLP
22
Q1036
GATE SWITCH
IC1013, 1015,
IC1020
9 10 11
6
6
83 CLR
CLR
SWITCHING
3 Q CK 1 SWITCHING
CK
IC1019 3 Q 1
IC1017
LATCH
LATCH
IC1012
IC1016
4-2
• SIGNAL PATH
: AUDIO
: VIDEO
16 Y IN
R, G, B
VIDEO AMP R
R 23
Q1033 – 1035
R-Y 11 18 R-Y IN
G
VIDEO AMP
G 24
Q1030 – 1032
B-Y 12 19 B-Y IN
B
VIDEO AMP
SAND
B 25
Q1027 – 1029
5
SAMPLE & HOLD
IC1004
SUB COLOR, CONTRAST,
COLOR, HUE
SUB COLOR
SUB COLOR 37
CONTRAST
CONT 38
COLOR
COLOR 20
HUE
HUE 21
BUFFER BUFFER
Q1025 Q1026
IC1006
MULTIVIBRATOR
IC1005
2Q
10
7 12 2A
1Q
5 1B 9
2Q
1Q 6
1
CLR
14 QA
CK 2
VIDEO H SYNC
11 QD
VIDEO H SYNC, VIDEO V SYNC
VIDEO V SYNC
COUNTER
IC1014
EDGE DETECT
IC1007, 1008
PLM-S700E
D
(Page 4-5)
E
(Page 4-10)
BF
F
(Page 4-5)
G
(Page 4-5)
4-3