FUNAI W4A-A4180DB, Service Manual

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1-11-8
E9G00BLH
Hi-Fi Audio Block Diagram
48
47
14
15
78
R-CH INSEL
L-CH INSEL
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
MIX R-CH BPF
P R
R L
P R
HOLD PULSE NOISE DET
DO DET
ENV DET
34
33
76 77 74 37 38 39 75 73
26
21
53
24 27
N-A-REC DVD-AUDIO(R)
(DVD VCR DUBBING)
VCR-AUDIO(R) DVD-AUDIO(L) VCR-AUDIO(L)
LIM
80
N-A-PB
Hi-Fi-H-SW
AUDIO-MUTE-2
A-MODE
TO AUDIO BLOCK DIAGRAM
TO AUDIO INPUT/OUTPUT SELECT BLOCK DIAGRAM
TO AUDIO INPUT/OUTPUT SELECT BLOCK DIAGRAM
IIC-BUS SDA
PB/EE-AUDIO(L)
PB/EE-AUDIO(R)
IIC-BUS SCL
TO SERVO/ SYSTEM CONTROL BLOCK DIAGRAM
Hi-Fi-
A
U
DIO(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A
U
DIO(L)
9
CN251
IC451
( Hi-Fi AUDIO PROCESS)
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
Q451
MUTE-ON MUTE-ON
50 52
6 4
Hi-Fi AUDIO(R) HEAD Hi-Fi AUDIO(L) HEAD
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
DVD PB
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