FUNAI WD6D-M100, Service Manual

Page: 48 / 99

1-12-8
E9TFABLH
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 24 27
N-A-REC VCR-AUDIO-OUT(R) VCR-AUDIO-OUT(L)
LIM
80
N-A-PB
Hi-Fi-H-SW
A-MODE
TO AUDIO BLOCK DIAGRAM
TO AUDIO SELECTOR BLOCK DIAGRAM
IIC-BUS SDA
VCR-AUDIO-IN(L)
VCR-AUDIO-IN(R)
IIC-BUS SCL
TO SERVO/ SYSTEM CONTROL BLOCK DIAGRAM
AV CBA
Hi-Fi-
A
U
DIO(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A
U
DIO(L)
9
CN251
IC451
(Hi-Fi AUDIO SIGNAL PROCESS)
REC AUDIO SIGNAL
PB AUDIO SIGNAL
Q451
MUTE-ON MUTE-ON
50
4
Hi-Fi AUDIO(R) HEAD Hi-Fi AUDIO(L) HEAD
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
TO AUDIO SELECTOR BLOCK DIAGRAM