Toshiba rd-xv48dtkb Service Manual page 56

Hi-Fi Audio Block Diagram
VCR-AUDIO-OUT(R)
TO AUDIO
SELECTOR VCR-AUDIO-OUT(L)
BLOCK DIAGRAM
N-A-REC
TO AUDIO
N-A-PB
BLOCK DIAGRAM
BOARD AV
IC451 (Hi-Fi AUDIO SIGNAL PROCESS)
SW
NOISE
P
R-CH
PNR
R
LIM
47
R-CH
50
48
INSEL
L-CH
4 14
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
1-13-8
REC AUDIO SIGNAL PB AUDIO SIGNAL
VCR-AUDIO-IN(L)
TO AUDIO
VCR-AUDIO-IN(R) SELECTOR
BLOCK DIAGRAM
IIC-BUS SDA
37
IIC-BUS SCL
38
TO
SERVO/ SYSTEM
CONTROL
BLOCK DIAGRAM
77
76
74
A-MODE
73
Hi-Fi-H-SW
39
75
26
(DECK ASSEMBLY)
Q451
21
CN251
Hi-Fi
24 Hi-Fi- AUDIO(R) 7
AUDIO(R)
Hi-Fi -COM 8
HEAD
27 Hi-Fi- AUDIO(L) 9
Hi-Fi
AUDIO(L)
HEAD
CYLINDER ASSEMBLY
E3NG1BLH