Toshiba DVR610 Service Manual - Page 47
Audio Block Diagram - tuner
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Audio Block Diagram TO Hi-Fi AUDIO BLOCK DIAGRAM N-A-IN N-A-OUT (DECK ASSEMBLY) AC HEAD ASSEMBLY AUDIO HEAD AUDIO ERASE HEAD FE HEAD FULL ERASE HEAD BOARD MAIN NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. PB-AUDIO SIGNAL REC-AUDIO SIGNAL IC1301 (AUDIO SIGNAL PROCESS) TUNER 76 LINE 1 80 LINE 2 78 ALC EQ 3 6 AMP 4 SP/LP-ON 5 R 2 P LINE LPF AMP MUTE 10 CN1504 4 AUDIO-PB/REC 3 A-COM 1 AE-H 2 AE-H/FE-H CN1501 1 FE-H 2 FE-H-GND Q1422 BIAS OSC AUTO 11 Q1421 BIAS 8 Q1426 (PB=ON) P-ON+5V(2) SWITCHING Q1425 D-REC OFF P-ON+5V(2) REC 9 AMP SERIAL I/F 58 55 53 54 YCA-SDA YCA-SCL YCA-CS AUDIO-MUTE D-REC TO SYSTEM CONTROL BLOCK DIAGRAM 1-12-7 E9KGABLA
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1-12-7
Audio Block Diagram
E9KGABLA
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
REC
AMP
SERIAL
I/F
9
8
AUTO
BIAS
11
P-ON+5V(2)
P-ON+5V(2)
Q1421
BIAS
OSC
Q1422
Q1426
(PB=ON)
Q1425
SWITCHING
D-REC OFF
6
EQ
AMP
LINE
AMP
MUTE
LPF
10
SP/LP-ON
P
R
ALC
(AUDIO SIGNAL PROCESS)
76
80
78
TUNER
LINE 1
LINE 2
4
AUDIO-PB/REC
CN1504
3
A-COM
1
AE-H
2
AE-H/FE-H
AUDIO
HEAD
AUDIO
ERASE
HEAD
AC HEAD
ASSEMBLY
FE HEAD
(DECK
ASSEMBLY)
1
FE-H
2
FE-H-GND
CN1501
BOARD MAIN
PB-AUDIO SIGNAL
REC-AUDIO SIGNAL
58
55
53
54
D-REC
AUDIO-MUTE
TO SYSTEM
CONTROL BLOCK
DIAGRAM
FULL
ERASE
HEAD
YCA-CS
YCA-SCL
YCA-SDA
IC1301
N-A-OUT
N-A-IN
TO Hi-Fi AUDIO
BLOCK DIAGRAM
3
2
4
5