1-11-4
H9720BLH
Hi-Fi Audio Block Diagram
48
47
61 71
62 70
14
15
78
R-CH
INSEL
L-CH
INSEL
IF SINAL
PROCESS
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO
LPF
L-CH
BPF
R-CH
PNR
L-CH
PNR
LIM DEV
COMP
SW
NOISE
VCO
LPF
LIM DEV
COMP
COMP
SW
NOISE
ENV
DET
DO
DET
MIX
R-CH
BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
34 33
21
76
77
74
37
38
39
75
73
26
53
24
27
N-A-REC
LIM
80
N-A-PB
Hi-Fi-H-SW
LINE-MUTE
A-MODE
TO AUDIO
BLOCK DIAGRAM
IIC-BUS SDA
IIC-BUS SCL
TO
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
TO
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
MAIN CBA
Hi-Fi-
A(R) 7
Hi-Fi
-COM 8
Hi-Fi-
A(L) 9
CN251
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNALPB-AUDIO SIGNAL Mode : SP/REC
DVD AUDIO SIGNAL
AFV CBA
JK101
A-OUT1(R)
A-OUT1(L)
2
6
2
6
1
3
1
3
JK1402
A-IN2(R)
A-IN2(L)
A-IN1(R)
A-IN1(L)
A-OUT2(R)
A-OUT2(L)
TU-AUDIO(R)
4
TU-AUDIO(L)
5
4
5
CN701CN1
SIF
2
TU-AUDIO 1
2
1
CN701 CN1
TU-AUDIO
TU701
(TUNER UNIT)
SIF
AUDIO
21
22
2
ALC
SW
SW
ALC
67
65
Q451
MUTE-ON
MUTE-ON
REAR
TO DVD VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
FRONT
JK751
Q753 Q754
A-OUT(R)
A-OUT(L)
JK754
A-IN(R)
JK753
A-IN(L)
IC751
(OUTPUT SELECT)
12
13
14
15
2
1
11109
SW CTL
BUFFER
BUFFER
Q107
Q108
Q151
Q152 Q154
A,B
Q153
Q155
VCR
DVD
VCR
DVD
OUTPUT-SELECT
DVD-A-OUT(R)
DVD-A-OUT(L)
TO DVD AUDIO
BLOCK DIAGRAM
<DVD SECTION>
50
60
58
2
52
56
6
10
4
12
54
8
JACK-A CBA
A-IN2(R)
4
A-IN2(L)
5
4
5
A-OUT2(R)
1
A-OUT2(L)
2
1
2
CN2017CN2018
Hi-Fi
AUDIO
(R)
HEAD
Hi-Fi
AUDIO
(L)
HEAD
CYLINDER
ASSEMBLY
(DECK ASSEMBLY)
" " = SMD
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
A-MUTE(L)
A-MUTE(R)
Comparison Chart of
Models & Marks
Model Mark
DVP620VR/00
DVP620VR/05
A
B
DVP620VR/02 C
www.freeservicemanuals.info
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