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AG-520VDH
VIDEO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A.
UHF/VHF TUNER/TV
DEMODULATOR UNIT
RF
VIDEO
17
VIDEO IN 1
VIDEO IN 2
2
Q7031
BUFFER
V1
1 Vp-p
V1
0.5 Vp-p
20 µs
0.5 V
0.2 V
20 µs
IC3001 (VIDEO PROCESS)
33
35
TUNER
21
LINE1
17
23
26
LINE2
19
DVD-Y
15
REC
REC
PB
PB
Y/C MIX
57
55
ART V/H MIX
28
29
(FROM IC6001(13))
V-LOCK PULSE
V1
5.0 Vp-p
2 V
5 ms
Q3002
(TO IC6001(56))
BUFFER
VIDEO
V1
1 Vp-p
Q3003
BUFFER
0.5 V
20 µs
TP3001
IC5352 (SW)
LINE1
1
LINE
LINE2
3
TUNER
5
2
4
(FROM IC6001(61))
LINE1(L)/LINE2(H)
(FROM IC6001(69))
TUNER(H)/LINE(L)
REC VIDEO SIGNAL
PB VIDEO SIGNAL
(TO IC6001(9))
ENVELOPE VOLTAGE
83
CCD 1H
36
41
49
40
38
37
DELAY
REC/PB LUMINANCE SIGNAL PROCESS
SP
REC/PB CHROMINANCE SIGNAL PROCESS
LP/SLP
X'TAL
I C
2
CCD 1H
46
45
VCO
CONTROL
DELAY
43
67
69
63
73
74
(TO/FROM IC6001(72))
OSC
I C SERIAL DATA
2
V1 0.37 Vp-p
X3001
(FROM IC6001(71))
(3.58MHz)
2
I C SERIAL CLOCK
Q3006 BUFFER
0.1 V
20 µs
3.58MHz
IC5651
(Y/C SEPARATION)
Y
Q5651
Y/C
7
BUFFER
4
SEPA.
C
10
66
V1
1.4 Vp-p
0.5 V
5 ms
CYLINDER UNIT
P3501
85
6
VIDEO SP
SP
L HEAD
P3501
HEAD
86
5
VIDEO SP
AMP
P3501
R HEAD
87
4
P3501
89
1
VIDEO LP/SLP
LP/SLP
L HEAD
P3501
HEAD
90
2
VIDEO LP/SLP
AMP
P3501
R HEAD
91
3
76
V1
0.44 Vp-p
TP3002
0.2 V
5 ms
To Hi-Fi AUDIO
SIGNAL PATH
BLOCK DIAGRAM
VV CHROMINANCE
VIDEO
DVD-LUMINANCE
TO VIDEO
SELECTOR
NOT USED
J5904
BLOCK
DIAGRAM
J5903
Q5653
15
BUFFER
LUMINANCE
Q5657
Q5658
13
AMP
BUFFER
CHROMINANCE
Q5652
AMP
FSC(3.58MHz)
VIDEO SIGNAL PATH BLOCK DIAGRAM
AG-520VDH
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