Toshiba D-VR40SF Service Manual page 52

Hi-Fi Audio Block Diagram
(DVD VCR DUBBING)
DVD-AUDIO(R)
TO AUDIO DVD-AUDIO(L)
INPUT/OUTPUT
SELECT
VCR-AUDIO(R)
BLOCK DIAGRAM
VCR-AUDIO(L)
N-A-REC
TO AUDIO
N-A-PB
BLOCK DIAGRAM
BOARD MAIN
IC451 ( Hi-Fi AUDIO PROCESS)
SW
NOISE
P
R-CH
PNR
R
LIM
47
52
R-CH 48
50
INSEL
6
L-CH
14
4
INSEL
15
LIM
R
L-CH
PNR
NOR
P
SW SW
NOISE
78
80
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
R-CH
SERIAL
COMP
BPF
DATA
DECODER
DEV VCO LPF
MUTE-ON
OUTPUT
SELECT
MUTE-ON
HOLD
PULSE
NOISE
MIX COMP
DET
ENV
DEV VCO LPF
DET
DO
DET
R
L-CH
34 33
COMP LIM
BPF
L
1-12-8
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
PB/EE-AUDIO(L) TO AUDIO
INPUT/OUTPUT
PB/EE-AUDIO(R)
SELECT
BLOCK DIAGRAM
IIC-BUS SDA
37
IIC-BUS SCL
38
TO
SERVO/ SYSTEM
CONTROL BLOCK
77
DIAGRAM
76
74
A-MODE
73
Hi-Fi-H-SW
39
75
AUDIO-MUTE-2
53
26
(DECK ASSEMBLY)
Q451
21
CN251
Hi-Fi- AUDIO(R) 7
24
Hi-Fi -COM 8
27 Hi-Fi- AUDIO(L) 9
CYLINDER ASSEMBLY
Hi-Fi
AUDIO(R)
HEAD
Hi-Fi
AUDIO(L)
HEAD
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