Sony MDX-C7890R Service Manual ▷ View online
– 52 –
SECTION 6
EXPLODED VIEWS
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(1) GENERAL SECTION
Front panel section
MG-164KT-138
#2
#1
#2
#3
F1
#3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
#2
17
1
3-919-344-61 DOOR (MD)
2
3-919-343-01 SPRING (DOOR), TORSION
3
3-023-606-01 PANEL, SUB
4
X-3367-636-1 LOCK ASSY
* 5
X-3373-358-1 CHASSIS ASSY
* 6
A-3294-413-A MAIN BOARD, COMPLETE (AEP:TYPE 1)
* 6
A-3294-414-A MAIN BOARD, COMPLETE (AEP:TYPE 2)
* 7
3-022-317-01 BRACKET (AMP)
* 8
3-011-078-01 BRACKET (POWER IC)
* 9
3-023-604-11 HEAT SINK
10
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
11
3-932-860-01 SCREW (2.6X4) (C TIGHT), +PTT
* 12
X-3373-362-1 COVER ASSY
13
1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)
14
3-011-999-01 CUSHION (MD)
* 15
3-014-156-01 SHEET (INSULATING)
* 16
3-355-209-01 PLATE (B), GROUND
* 17
3-937-122-01 HEAT SINK
F1
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)
• Abbreviation
AEP : TYPE 1 : See page 2 for Model Identification.
AEP : TYPE 2 : See page 2 for Model Identification.
AEP : TYPE 2 : See page 2 for Model Identification.
– 53 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-023-611-01 BUTTON (10KEY)
(OFF. SHIFT. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10)
52
X-3375-316-1 PANEL ASSY, FRONT
53
3-023-617-11 BUTTON (RELEASE)
54
3-008-667-01 SPRING (RELEASE)
55
3-023-626-01 BUTTON (SOURCE)
56
3-023-612-01 KNOB (VOL)
57
3-023-613-11 KNOB (AMS)
58
3-023-615-01 RING, LIGHT GUIDE
59
3-023-629-11 BUTTON (MODE)
60
3-023-616-01 BUTTON (SOUND)
61
3-023-618-01 PLATE (L), LIGHT GUIDE
62
3-023-619-01 PLATE (R), LIGHT GUIDE
* 63
3-023-610-01 PLATE (LCD), GROUND
* 64
3-023-621-01 SHEET (LCD)
* 65
3-023-624-01 ILLUMINATOR (LCD)
* 66
3-023-609-01 PLATE (LCD), LIGHT GUIDE
* 67
3-023-608-01 HOLDER (LCD)
68
3-023-605-01 PANEL, BACK
69
3-023-625-01 KNOB (D)
70
3-023-622-01 BUTTON (EJ) (
6 PTY. AF/TA. DSPL)
LCD801 1-803-111-11 DISPLAY PANEL, LIQUID CRYSTAL
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
not suplied
(KEY board)
LCD801
#4
(2) FRONT PANEL SECTION
– 54 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 101
A-3313-612-A SERVO BOARD, COMPLETE
* 102
X-3369-440-1 CHASSIS ASSY, MD
103
3-919-296-01 SPRING (FL), TENSION
104
3-921-111-01 SPRING (FL2), TENSION
105
3-919-273-01 DAMPER, OIL
* 106
X-3369-444-1 HOLDER ASSY
107
3-919-319-01 SPRING (HOLDER)
108
3-919-320-01 SPRING (SUB HOLDER)
* 109
3-919-436-01 CUSHION (EJ)
* 110
3-919-280-01 LEVER (LOCK R)
111
3-919-281-01 SPRING (CHKG)
* 112
X-3369-441-1 COVER ASSY, MD
113
3-342-940-01 WASHER (M)
* 114
X-3369-445-1 LEVER (LE) ASSY
115
3-919-274-01 SPRING (LE)
116
3-925-034-01 ROLLER (GLE)
* 117
X-3369-443-1 ARM ASSY, CHUCKING
* 118
3-919-279-01 LEVER (LOCK L)
#5
#6
#5
#6
101
110
109
108
107
106
105
104
103
102
118
117
116
115
114
113
112
111
103
105
104
113
111
(3) MECHANISM DECK SECTION-1
(MG-164KT-138)
– 55 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
151
1-654-693-11 SENSOR FLEXIBLE BOARD
152
A-3309-892-A SENSOR BOARD, COMPLETE
* 153
3-919-297-01 RETAINER (SP)
* 154
3-919-284-01 BASE (SL)
* 155
X-3369-442-1 CHASSIS (OP) ASSY
156
3-919-339-01 SPRING (GLE)
157
3-919-317-01 GEAR (LE)
158
4-926-562-01 WASHER, STOPPER
159
3-919-313-01 WHEEL, WORM
160
3-919-316-01 GEAR (R)
161
3-342-940-01 WASHER (M)
162
3-919-315-01 GEAR (S)
163
3-919-314-01 GEAR (F)
164
X-3369-446-1 LEVER (S) ASSY
166
3-919-282-01 SPRING (RACK), TENSION
167
X-3369-447-1 RACK ASSY
* 168
3-919-312-01 BRACKET (MOTOR)
! 169
8-583-037-02 OPTICAL PIC-UP KMS-241A/J2RP
170
X-3373-213-1 SCREW ASSY, FEED
* 171
3-919-294-01 BEARING (SL)
* 172
3-919-293-01 SHAFT (SL)
173
3-010-091-01 SPRING (SL FEED)
* 174
3-920-537-01 SHAFT (SL2)
* 175
3-919-283-01 BRACKET (SL)
176
3-703-816-32 SCREW (M1.4X1.6), SPECIAL HEAD
177
3-924-721-01 SPRING (B-T)
178
2-626-617-01 SCREW (2X8)
179
3-701-437-01 WASHER
M901
A-3301-407-A MOTOR ASSY, SP (SPINDLE)
M902
A-3291-190-A MOTOR ASSY, SL (SLED)
M903
A-3291-191-A MOTOR ASSY, LO (LOADING)
(4) MECHANISM DECK SECTION-2
(MG-164KT-138)
151
159
158
157
156
155
154
153
152
161
169
168 167
166
164
163
162
160
171
179
178
177
176
175
174
173
172
170
161
161
M902
M901
M903
#7
#7
#8
#9
#9
#8
#10
#10
#6
The components identified by mark
! or dotted
line with mark
! are critical for safety.
Replace only with part number specified.
Click on the first or last page to see other MDX-C7890R service manuals if exist.