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• CD motor sectoin
IC201 TA8409S
STANDBY
BLOCK
HEAT
CUT OFF
BLOCK
1
2
VCC
OUT2
IN2
• Power sectoin
IC301 uPC1237HA
OVER LOAD DET
OFFSET DET
TE
L 13942296513
LATCH/
AUTORESET
1
2
3
• Deck sectoin
IC602 uPC1330HA
2
3
1
SW P1 CONT GND
SW R1 GND
www
.
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3
4
5
6
7
VS
NC
GND
OUT1
V
ON
CC
F/F
MUTE
AC OFF
DET
4
5
6
7
INVERTER
COMPARATER
4
5
6
7
8
9
VCC
SW P2 GND
SW R2
x
ao
y
i
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8
VREF
BLOCK
8
9
VREF
IN1
IC1401 M65847FP
Q Q
3
6 7
1 3
D/A
V
1
3
2
CC
8
• HP/MIC sectoin
IC761 M65850P
14
1/2 VCC
AUTO
RESET
LPF1
1
2
u163
.
– 81 –
2 9
9 4
2 8
• KEY CON sectoin
IC1403 BU4053BC
B1
1
B0
2
C1
3
C.COM
4
CO
5
INH
6
VEE
7
VSS
8
–
–
A/D
LPF1
HPF
1 5
0 5
8
2 9
9 4
REF
REF
CLOCK
RESET
RAM
GENERATOR
LOGIC
4
5
6
7
8
9
10
13
12
11
10
9
8
OSCILLATOR
D/A
LPF2
DO1
CLOCK
MO
MAIN
20KBIT
RESET
CONTROL
SRAM
MI
D1
DO0
A/D
m
3
4
5
6
7
co
9 9
VDD
16
B.COM
15
OPEN
14
A.COM
13
A1
OPEN
A0
12
11
A
10
B
OPEN
9
C
–
–
LPF2
MIX
2 8
9 9
REF
REF
REF
11
12
13
14
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