Philips DVP620VR/00, Сервисная инструкция

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1-11-4
H9622BLH
Hi-Fi Audio Block Diagram
57
48
47
13
14
69
74
71
6 7 9
12
R-CH INSEL L-CH INSEL
NOR SW
SERIAL DATA DECODER
OUTPUT SELECT
VCO
LPF
L-CH BPF
R-CH PNR
PILOT DET
CONT
STEREO PLL
STEREO FILTER SAP FILTER
SAP DET
SIF DEMOD
SAP DEMOD
L-R DEMOD
ST/SAP SW
MATRIX
L-CH PNR
LIM
DEV
COMP
SW NOISE
VCO
LPF
LIM
DEV
COMP
COMP
DC
SW NOISE
dBX DEC
ENV DET
MODE OUT
RIPPLE FILTER
DO DET
MATRIX
R-CH BPF
P
R
R L
P
R
HOLD PULSE NOISE DET
ALC
34
33
23
4
80
2
78 37 38 54 77
1
39 26 24 27
SIF A-IN(R) A-IN(L) N-A-OUT A-IN(R)-F A-IN(L)-F DVD-A(L) DVD-A(R)
LIM
49
MUTE
A-OUT (L)
MOD-A
A-OUT (R)
N-A-IN
Hi-Fi-H-SW
A-MUTE-H
NORMAL-L
40
ST/SAP-MODE
TO AUDIO BLOCK DIAGRAM
IIC-BUS SDA
IIC-BUS SCL
P-ON+9V
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
Hi-Fi AUDIO (R) HEAD Hi-Fi AUDIO (L) HEAD
CYLINDER ASSEMBLY
MAIN CBA
Hi-Fi-
A(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A(L)
9
CN253
IC451
(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
PILOT CANCEL
TO AUDIO BLOCK DIAGRAM
TO SERVO/ SYSTEM CONTROL BLOCK DIAGRAM TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
62
63
D
VD A
UDIO SIGNAL
(DECK ASSEMBLY)
11 73
" " = 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.
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