Philips DVP620VR/00, Сервисная инструкция

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1-11-4
H9724BLH
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 SIGNAL
PB-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-A
UDIO(R)
4
TU-A
UDIO(L)
5
4 5
CN701
CN1
SIF
2
2
CN701
CN1
TU701
(TUNER UNIT)
SIF
AUDIO
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
11
10
9
SW CTL
BUFFER
BUFFER
Q107
Q108
Q151
Q152
Q154
Q153
Q155
VCR DVD VCR DVD
OUTPUT-SELECT
DVD-A-OUT(R)
DVD-A-OUT(L)
TO DVD VIDEO/ 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
CN2017
CN2018
Hi-Fi AUDIO (R) HEAD Hi-Fi AUDIO (L) HEAD
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
" " = SMD
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
CR
OSS A HOLE IN
THE PCB
.
:USED
T
O INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O INDICA
TE A
TEST POINT
WITH A
TEST PIN.
A-MUTE(L) A-MUTE(R)
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