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A
B
AP-U70
I
PRINTED CIRCUIT BOARD (Foil side)
1
Semiconductor Location
G
Ref. No.
Location
D3
F3
D4
E4
D5
E2
D6
F3
D7
F3
D8
E3
D9
C3
D10
C3
D11
F4
D12
F4
D13
E4
D14
D5
D15
E4
D16
E4
D17
D2
2
Ref. No.
Location
IC3
E2
IC6
E2
IC7
F2
IC8
F2
IC9
C2
IC10
F2
IC11
F2
IC12
E3
Ref. No.
Location
Q1
E3
Q2
F3
Q3
E3
Q5
D3
Q8
E2
3
Q11
F3
Q12
F3
Q13
F3
L
Q14
F3
E
R
Q15
C2
+5D SW
Q16
C3
PHONE
G
Q17
F3
Q18
F3
Q19
F2
Q20
F2
Q21
F4
Q22
F4
Q23
F4
Q24
D3
Q30
D4
Q31
D4
Q24
D3
4
5
E-32/J-30
6
C
MAIN P.C.B.
FROM : DSP
/R MU
PHONE
DA
CE1
PRT DC
GND
PS
15
1
FROM : OPERATION (2)
GND
-21V
AC1
AC2
FROM : OPERATION (1)
D
E
CENTER
GND
LFE
RLCH
/C MU
GND
RRCH
/S MU
FRCH
GND
CK
FLCH
AGND
CE2
+5A
+9V
PRT I
+12V
-15V
SP ON
+15V
DGND
/A MU
AC DET
+5D SW
POW
+5D SUB
1
9
AC2
AC1
U, C, A, B, G only
J only
FROM : POWER CORD
FROM : POWER TRANSFORMER
E-33/J-31
F
1
8
1
9
G
H
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