
HCD-DR3/DR330/XB200
22
22
5-7. PRINTED WIRING BOARD AMP SECTION
• Refer to page 15 for Circuit Boards Location.
Ref. No.
Location
D701
H-3
D702
E-7
D703
I-6
D704
E-7
D705
H-1
D706
H-2
D707
H-1
D708
H-2
D709
H-1
D710
G-4
D712
G-7
D713
F-7
D714
F-2
D715
G-7
D716
G-3
D717
F-2
D718
H-6
D719
G-2
IC701
E-3
IC702
G-7
Q701
C-6
Q702
D-7
Q703
I-7
Q704
G-2
Q705
G-2
Q706
E-2
Q707
E-2
Q708
G-7
Q709
F-3
Q710
F-6
Q711
G-6
Q712
G-7
Q713
G-5
• Semiconductor
Location
R729
R728
C
TO MAIN BOARD
CN401
(Page 18)
POWER AMP BOARD
H/P BOARD
TR BOARD
POWER SUPPLY BOARD
AC SWITCH BOARD
R
JK703
SPEAKER
AC IN
L
GND
AC4
AC3
AC5
P1
P2
P3
P4
P5
AC6
AC5.4V
AC5.4V
T001
POWER
TRANSFORMER
1-674-640-
11
(11)
(4146269610)
1-674-638-
11
(11)
(4144268530)
1-674-880-
11
(11)
(4144268540)
1-674-641-
1-674-642-
11
(11)
11
(11)
(4146269620)
AC1
BLU
AC2
BRN
P6
P7
P2
P8
P4
P3
P1
F702
F703
GND2
POWER SUPPLY BOARD
AC IN
GND
AC4
AC3
AC5
P6
P7
AC6
AC5.4V
AC5.4V
T001
POWER
TRANSFORMER
1-674-638-
11
(11)
(4144268530)
AC1
BLU
AC2
BRN
P6
RED
P7
WHT
P2
P5
P8
P4
P3
P1
F702
R001
GND2
B
E
B
E
1
5
CN704
Q701
JK701
PHONES
1
1
5
7
1
1
12
8
A
R735
R737
R738
L703
R736
R705
R711
R742
R714
R720
R704
R719
R707 R709
C703 C713
C710
C702
C740
C753
C758
C755
C752
C754
C756
C757
D713
C738
C739
C724
C764
C718
C717
Q711
C727
C728
C726
Q702
CN704
C719
C708
R703
R763
R739
R764
R766
R765
R724
R701
R725
R710
R751
R708
C714
C709
C704
R706
Q710
IC702
D712
D710
CN701
Q712
R726
Q709
R762
RL701
R723
IC701
C701
C759
C705
C707
C711
C706
C721
C722
L702
CN702
CN702
Q707
Q706
D714
D717
D719
C762
B
E
B
B
E
E
E
E
B
B
E
B
R744
R733
R730
R716
R712
R750
R760
R743
R731
C725
R732
R715
R761
R740
C743
D701
D709
D705
Q705
Q704
R749
R748
C733
R747
D707
D708
D709
D716
GND
GND
AC
3
AC
4
A5.4V
A5.4V
AC
5
AC
6
C745
C744
C746
C748
C763
C749
C747
C750
R753
R754
Q713
R752
R727
R734
R722
R721
R713
D704
D702
R702
Q708
C723
E
B
E
B
D715
D718
D703
C736
C734
C735
C737
C742
C741
C751
Q703
GND
S
D
G
CN703
F701
Z
Z
S
D
G
15
2 1
16
DR3/DR330
MODEL
DR3
DR330
MODEL
XB200
MODEL
VOLTAGE
SELECTOR
220-230V 120V
P5
NOT REPLACEABLE:
BUILT IN TRANSFORMER
EXCEPT E,SP,AR
E,SP,AR MODEL
1
2
A
B
C
D
E
F
G
H
I
J
3
4
5
6
7
8
9
10
11
12
13