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25
25
HCD-RG55/RG55S
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
B
MAIN
BOARD
CN301
M
DRIVER
BOARD
CN701
A
PANEL BOARD
CN804
OPTICAL
PICK-UP
BLOCK
1
2
JW730
JW731
Q774
FB753
JW725
JW726
JW732
JW734
JW736
R774
C774
R767
C775
C767
C766
C761
C762
R756
C763
C764
C772
C771
JW742
JW744
JW747
JW741
JW745
R757
R734
R732
R733
R736
R735
R743
R742
R741
C741
R737
C788
R788
JW749
R784
FB751
JW746
R760
L705
L704
X701
R755
C759
R786
FB752
R773
Q771
R772
R778
R768
R777
R771
E
B
R780
L703
C753
C773
R761
R779
C780
C755
R765
R764
R762
C776
C770
C768
C769
C722
C721
C720
R766
R705
R706
JW715
JW714
JW713
JW712
R707
JW718
JW723
JW724
JW722
JW721
JW719
JW720
C747
R748
C748
R747
R744
R746
D732
R749
R775
C749
C750
R775
R745
C704
C705
L702
C706
C781
C709
R704
JW716
JW701
JW781
JW705
L701
D731
C719
R703
C717
JW708
R781
JW702
JW703
JW704
JW782
JW783
C789
C790
R759
CN732
C782
R783
Q775
R782
IC781
Q772
E
E
B
B
R776
CN734
C786
C787
R785
C715
Q731
C708
C711
C707
JW709
CN731
15
1
1
8
10
16
1
2
R797
R798
R794
R795
R796
R799
C792
C791
R722
R793
JW710
C714
JW754
C725
R720
C727
C728
C730
R719
R721
C732
R717
C731
R718
CN735
R709
R715
C726
R716
C723
R708
R710
C724
JW711
C712
C710
C713
R750
R789
C733
C738
R792
C744
C740
R739
R738
C756
C742
R740
C760
R754
C754
JW727
C752
R753
C751
C777
R763
R758
R751
C783
IC751
TP731
C746
C758
C757
CN733
18
19
49
64
1
33
32
48
1617
33
48
49
17
16
32
64 1
2
1
C743
C739
R729
C734
R728
R731
C736
C737
JW751
JW752
JW753
R727
R725
R724
C735
1-684-495-
IC731
C745
CD BOARD
(SPDL) MOTOR BOARD
CN01
S01
(LIMIT)
M01
(SPINDLE)
1-684-496- (11)
11
(11)
11
15
14
21
8
1
6
22
7
28
1
M
M
M02
(SLED)
6
1
E
B
C
E
B
R752
6-2. PRINTED WIRING BOARDS — CD SECTION (1/2) — • Refer to page 23 for Circuit Boards Location.
Ref. No.
Location
D731
J-8
D732
F-7
IC731
G-9
IC751
D-9
IC781
I-6
Q731
I-8
Q771
B-7
Q772
C-7
Q774
C-7
Q775
I-7
• Semiconductor
Location
(Page 28)
(Page 34)
(Page 26)