Panasonic AG520VDH - COMB. DVD/VCR/TV, Service Manual, Page: 69 / 100

5
AG-520VDH
SPEAKER
R-CH
SPEAKER
L-CH
I 2 C
CONTROL
EARPHONE
JACK
P4502
2
P4502
1
P4501
2
P4501
1
IC4501 (AUDIO AMP)
IC4601
(AUDIO SOUND PROCESSOR)
4
2 12
8
AUDIO R-CH
SOUND PROCESSOR
AUDIO L-CH
SOUND PROCESSOR
12
11 20
19
14 15
NOT USED
9
48
10
61
53
57
14
15
3
1
36 62 42 43 27
30
29
28 56
21
24
R-CH Hi-Fi
AUDIO SIGNAL
PROCESS
ENV
DETECTOR
L-CH Hi-Fi
AUDIO SIGNAL
PROCESS
+
(TO IC6001(93)) Hi-Fi PB(H)
(TO IC6001(10)) MTS MODE
3.58MHz
(TO IC6001(21)) AUDIO DEFEAT(H)
Hi-Fi
Hi-Fi
NORMAL
NORMAL
(L-CH)
(L-CH)
(R-CH)
(R-CH)
TUNER
LINE1
LINE2
DVD
TUNER
LINE1
LINE2
DVD
I 2 C CONTROL
(TO/FROM IC6001(72)) I
2
C SERIAL DATA
(FROM IC6001(71)) I
2
C SERIAL CLOCK
(FROM IC6001(15)) Hi-Fi MUTE (H)
(FROM IC6001(19)) Hi-Fi HEAD SW PULSE
AUDIO
MUTE(H)
MTS/SAP SIGNAL PROCESS
CYLINDER UNIT
IC4201
(Hi-Fi AUDIO SIGNAL PROCESS)
Hi-Fi AUDIO
L HEAD
Hi-Fi AUDIO
R HEAD
R
R
R
L
L
L
MUTE
MUTE
MATRIX
MUTE
CONTROL
45
FROM VIDEO SIGNAL
PATH BLOCK DIAGRAM
(TO/FROM IC6001(72)) I 2 C SERIAL DATA
(FROM IC6001(71)) I 2 C SERIAL CLOCK
D4210
J4751
J4752
IC4751
(OP AMP)
AUDIO
IN-1 R-CH
DVD AUDIO R-CH
DVD AUDIO L-CH
AUDIO
IN-1 L-CH
AUDIO
IN-2 R-CH
AUDIO
IN-2 L-CH
AUDIO
OUT R-CH
AUDIO
OUT L-CH
5
3 1
7 AMP
AMP
UHF/VHF TUNER/TV
DEMODULATOR UNIT
MAIN C.B.A.
RF SIF
14
J4702
NORMAL AUDIO
D4303
NORMAL AUDIO
J4701
P4801
4
P4801
2
IC4701 (OP AMP)
5
3 1
7 AMP
AMP
(FROM IC6001(12))
V-CHIP MUTE(H)
FROM DVD II
BLOCK DIAGRAM
Q4203 Q4204
MUTE
-ON MUTE
-ON
NOT USED
TO/FROM
AUDIO SIGNAL
PATH
BLOCK
DIAGRAM
AGC
AMP
AGC
DET
REC
AMP
(WITH REAR A/V INPUT JACK)
REC AUDIO SIGNAL PB AUDIO SIGNAL
Q4201 DRIVE
8
P3501
7
P3501
9
P3501
22
TP4207
R
L
Hi-Fi AUDIO SIGNAL PATH BLOCK DIAGRAM
Hi-Fi AUDIO SIGNAL PATH BLOCK DIAGRAM
AG-520VDH
69