Exploded Views; Chassis Section - Sony CDX-L550 Service Manual

CDX-L550/L550V/L550X
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked "*" are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.

4-1. CHASSIS SECTION

8
2
1
#2
#3
#2
#3
Ref. No. Part No. Description
1 X-3378-512-1 PANEL ASSY, SUB
2 3-040-990-01 BUTTON (EJECT)
* 3 1-680-762-11 SUB (CD) BOARD
4 X-3376-699-1 GEAR ASSY
5 3-030-909-02 DAMPER, OIL
6 3-713-786-51 SCREW +P 2X3
7 X-3377-621-1 LOCK ASSY
* 8 3-223-782-01 COVER
9 1-776-527-61 CORD (WITH CONNECTOR) (ISO) (POWER)
* 10 3-041-012-01 BRACKET (CD)
* 11 3-227-287-01 SHEET, DUST PROTECTION
* 12 3-223-783-11 CHASSIS (BACK)
* 13 3-223-780-01 HEAT SINK
32
SECTION 4

EXPLODED VIEWS

• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
9
MG-393X-121//Q
#1
4
3
5
6
#3
#1
22
Remark
R R
Parts Color Cabinet's Color
10
17
14
#4
16
15
#4
7
#1
Ref. No. Part No.
* 14 A-3326-835-A MAIN BOARD, COMPLETE (L550X)
* 14 A-3326-838-A MAIN BOARD, COMPLETE (L550V)
* 14 A-3326-843-A MAIN BOARD, COMPLETE (L550)
* 15 3-040-998-01 BRACKET (IC)
* 16 3-041-011-01 HEAT SINK (REG)
17 3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
* 18 3-045-878-01 PLATE (TU), GROUND
* 19 3-045-877-01 CUSHION (TU)
* 20 3-224-755-01 SHEET, INSULATING
* 21 3-223-781-01 CHASSIS
22 3-047-812-01 SCREW (LOCK)
F901 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU10 A-3282-061-A TUNER UNIT (TUX-020)
The components identified by
mark 0 or dotted line with mark.
0 are critical for safety.
Replace only with part number
specified.
11
#1
#1
12
#5
#6
#7
#6
13
TU10
18
19
17
20
#1
21
Description
#1
#5
#5
#6
#1
F901
Remark