1-7-3
Audio Block Diagram
T7500BLA
B
LOCK DIA
GRAM FOR SECTION 2 (DECK MECHANISM)
MAIN CB
A
PB-A
UDIO SIGNAL
REC-A
UDIO SIGNAL
IC301
(CHR
OMA/DEFLECTION SIGNAL PR
OCESS)
IC401
Mode :
SP/REC
BIAS
OSC
Q872
P-ON+5V
P-ON+5V
Q871
Q873
Q874
Q875
(A
UDIO SIGNAL PR
OCESS)
IC801
(AMP)
SPEAKER
1
SP-GND
2
JK801
EARPHONE J
A
CK
SP801
SPEAKER
CN801
CL802
SP-MUTE
TU-A
UDIO
TO
CHR
OMA/TUNER
BLOCK
TP401
A-OUT
A
UDIO
HEAD
A
C
HEAD ASSEMBL
Y
A-COM
A-PB/REC
CL402
A
UDIO
ERASE
HEAD
AE-H
AE-H/FE-H
2
1
FE-H
FE-H-GND
FULL
ERASE
HEAD
CL403
3
4
6
FE HEAD UNIT
SERIAL
I/F
A
UDIO
AT
T
SD
A
SCL
TO
SER
V
O/SYSTEM
CONTR
OL BLOCK
TUNER
REC
AMP
AU
T
O
BIAS
LINE
AMP
MUTE
P
R
ALC
TUNER
LINE
D-REC-H
A-MUTE
TO
SER
V
O
/
SYSTEM
CONTR
OL
BLOCK
WF8
32
EQ
AMP
SP/LP-ON
5
24
14
15
26
21
LINE
VCR
10
6
8
9
58
11
5
4
3
78
76
2
MUTE
/ST
ANDBY
2
AMP
6
1
JK702
FRONT A-IN
WF9
TO
SER
V
O/SYSTEM
CONTR
OL BLOCK
