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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
J1002
CONTROL
IC1301, 1302
L/R FLD
C
LINE SELECT SWITCH &
LINE AMP
(Page 4-8)
RV1301
IC1302
J1001
VOL
AUDIO
OUT
IN1
7
13
3
IN2
SEL
2
IC1301
OUT
7
14
IN2
3
IN2
SEL
2
V 5V
05
4-1
IC1009, 1010
VIDEO SELECT SWITCH &
VIDEO AMP
IC1010
VIDEO
CLAMP
IN1
1
OUT
7
BUFFER
Q1022
Q1018
SW2
4
SW1
2
IC1009
1
IN1
7
OUT
SW2
4
SW1
2
SYNC DETECT
D1001,
Q1001, 1002
64
XEXT 3D IN
32
L/R FLD
HEADPHONE AMP
IC151
HP401
OUT1 4
(HEADPHONE)
L
VREF
3
SYSTEM CONTROLLER
IC501 (1/5)
HP402
OUT2
2
(HEADPHONE)
R
XVIDEO
83
SYNC DET
LP
9
49
DBB MID ON
DBB SWITCH
Q153, 154
BB SW
8
50
DBB NORM ON
MIX OUT
5
AVLS SWITCH
48
XAVLS ON
Q156
AVC IN
6
MUTE SW 11
90
AU MUTE
VIDEO RGB DECODER
SYNC BUFFER
IC1001
39
SYNC Y
Q1024
Y 12
APC CONTROL SWITCH
IC1011
7
R-Y 13
16
R-Y IN
R-Y 11
1
36
Y
6
B-Y 14
B-Y IN
B-Y 12
14
5
SAND
5
SAMPLE & HOLD
FSC OUT
27
X1003
4.433619MHz
PAL FSC
29
34
C
32FHVCO OUT
3
X1002
500kHz
32FHVCO IN1
1
32FHVCO IN2
2
BUFFER
Q1025
TIME CONSTANT
4
H AFC
SWITCH
Q1023
CLP
22
Q1036
IC1006
GATE SWITCH
IC1013, 1015,
IC1020
9
10 11
6
6
CLR
CLR
SWITCHING
3
Q
CK
1
SWITCHING
IC1019
3
Q
CK
1
IC1017
LATCH
LATCH
IC1012
IC1016
4-2
• SIGNAL PATH
: AUDIO
: VIDEO
16
Y IN
R, G, B
R
VIDEO AMP
D
R
23
Q1033 – 1035
(Page 4-5)
18
R-Y IN
G
VIDEO AMP
G
24
Q1030 – 1032
B-Y IN
19
B
VIDEO AMP
B
25
Q1027 – 1029
IC1004
SUB COLOR, CONTRAST,
COLOR, HUE
SUB COLOR
E
SUB COLOR 37
CONTRAST
CONT 38
(Page 4-10)
COLOR
COLOR 20
HUE
HUE
21
BUFFER
Q1026
MULTIVIBRATOR
IC1005
2Q
10
1Q
7
12 2A
BF
F
5
1B
2Q
9
(Page 4-5)
1
CLR
14 QA
CK
2
VIDEO H SYNC
11 QD
VIDEO V SYNC
VIDEO H SYNC, VIDEO V SYNC
G
(Page 4-5)
COUNTER
IC1014
LDI-D100BE
4-3
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