A
B
C
D
E
F
G
H
1
2
3
4
5
6
DP-U50
■
PRINTED CIRCUIT BOARD (Foil side)
E-32/J-30
Ref. No.
Location
D5
E2
D6
F3
D7
F3
D8
E3
D9
C3
D14
D5
D15
E4
D16
E4
D17
D2
D18
F3
D19
F3
Ref. No.
Location
IC3
E2
IC6
E2
IC7
F2
IC8
F2
IC10
F2
IC11
F2
IC12
E3
●
Semiconductor Location
Ref. No.
Location
Q1
E3
Q2
F3
Q3
E3
Q5
D3
Q8
E2
Q17
F3
Q18
F3
Q19
F2
Q20
F2
Q24
D3
Q26
F3
Q27
F4
Q28
F3
Q29
F3
Q30
D4
Q31
D4
Q32
D3
Q33
D3
E-33/J-31
1
9
1
8
1
9
SUBW
OOFER
MAIN P.C.B.
L
E
R
+5D SW
PHONE
G
FROM : OPERATION (2)
/C MU
/S MU
CK
CE2
PRT I
SP ON
/A MU
POW
/R MU
PHONE
DA
CE1
PRT DC
GND
PS
GND
RLCH
RRCH
GND
AGND
+9V
-15V
DGND
+5D SW
CENTER
LFE
GND
FRCH
FLCH
+5A
+12V
+15V
AC DET
+5D SUB
FROM : DSP
FR
OM :
PO
WER
TRANSFORMER
AC2
AC15V
AC15V
AC1
FROM : OPERATION (1)
GND
-21V
AC1
AC2
FROM : POWER TRANSFORMER
FROM : POWER CORD