Page 1
HCD-EX22
SERVICE MANUAL
• HCD-EX22 is the amplifier, CD and tuner section in CMT-EX22.
HCD-EX22 is almost the same as HCD-EX1 (US, Canadian models).
Difference portion and difference parts list from HCD-EX1 (US, Canadian
models) are described in this service manual.
Please refer to HCD-EX1 service manual (9-929-017-S) previously issued
for other information.
US Model
Canadian Model
MICRO HI-FI COMPONENT SYSTEM
Page 2
• EXPLODED VIEWS
6-1. FRONT PANEL AND CASE SECTION
Page HCD-EX1: US, Canadian HCD-EX22
Ref. No. Part No. Description Remark
1 4-969-961-11 EMBLEM (NO. 4), SONY
3 4-222-713-01 PANEL (BASE), FRONT
4 4-222-720-01 BUTTON (PLAY)
5 4-222-719-01 BUTTON (POWER)
10 X-4952-306-1 WINDOW (GLASS) ASSY (US, CND)
Ref. No. Part No. Description Remark
1 4-969-961-01 EMBLEM (NO. 4), SONY
3 4-222-713-11 PANEL (BASE), FRONT
4 4-222-720-11 BUTTON (PLAY)
5 4-222-719-11 BUTTON (POWER)
10 X-4953-275-1 WINDOW (GLASS) ASSY
36
14 4-222-704-01 STABILIZER
24 4-222-722-01 BUTTON (DISPLAY)
25 4-222-721-01 BUTTON (VOL)
26 4-222-738-01 PLATE, INDICATION
27 4-222-725-01 PANEL (ALUMINUM), FRONT
10
11
#2
26
not supplied
13
23
12
14
14 4-222-704-11 STABILIZER
24 4-222-722-11 BUTTON (DISPLAY)
25 4-222-721-11 BUTTON (VOL)
26 4-222-738-11 PLATE, INDICATION
27 4-222-725-11 PANEL (ALUMINUM), FRONT
22
5
22
9
7
24
22
• Abbreviation
CND: Canadian model
2
27
1
6
8
4
#1
25
3
2
Continued on page 3.
Page 3
Page HCD-EX1: US, Canadian HCD-EX22
Ref. No. Part No. Description Remark
15 4-222-711-01 PLATE (LEFT), SIDE
16 4-222-710-01 PLATE (RIGHT), SIDE
18 4-222-712-01 PLATE, TOP
19 4-222-716-01 CASE
20 4-222-718-01 COVER (PIN JACK)
Ref. No. Part No. Description Remark
15 4-222-711-11 PLATE (LEFT), SIDE
16 4-222-710-11 PLATE (RIGHT), SIDE
18 4-222-712-11 PLATE, TOP
19 4-222-716-11 CASE
20 4-222-718-11 COVER (PIN JACK)
36
21 4-222-717-01 COVER (BACK)
18
not supplied
17
15
#1
19
28
#2
21 4-222-717-11 COVER (BACK)
28 4-230-919-01 MAGNET (MECHANICAL PANEL)
21
#2
20
17
not supplied
16
#2
#2
6-2. CHASSIS SECTION
Page HCD-EX1: US, Canadian HCD-EX22
Ref. No. Part No. Description Remark
37
58 4-222-730-01 PANEL, BACK
59 A-4426-742-A MAIN BOARD, COMPLETE (US, CND)
Ref. No. Part No. Description Remark
58 4-222-730-21 PANEL, BACK
59 A-4475-305-A MAIN BOARD, COMPLETE
• Abbreviation
CND: Canadian model
3
Page 4
HCD-EX22
6-3. MECHANISM SECTION
Page HCD-EX1: US, Canadian HCD-EX22
Ref. No. Part No. Description Remark
38
101 4-222-745-01 PLATE (CD) (LOWER), ORNAMENTAL
102 4-222-746-01 PLATE (CD) (UPPER), ORNAMENTAL
103 4-222-701-01 PANEL, MECHANICAL
• ELECTRICAL PARTS LIST
Page HCD-EX1: US, Canadian HCD-EX22
Ref. No. Part No. Description Remark
A-4426-742-A MAIN BOARD, COMPLETE (US, CND)
*********************
Ref. No. Part No. Description Remark
101 4-222-745-11 PLATE (CD) (LOWER), ORNAMENTAL
102 4-222-746-11 PLATE (CD) (UPPER), ORNAMENTAL
103 4-222-701-11 PANEL, MECHANICAL
Ref. No. Part No. Description Remark
A-4475-305-A MAIN BOARD, COMPLETE
*********************
C112 1-163-022-00 CERAMIC CHIP 0.012uF 10% 50V
C113 1-163-989-11 CERAMIC CHIP 0.033uF 10% 25V
41
42
C114 1-163-011-11 CERAMIC CHIP 0.0015uF 10% 50V
C115 1-163-017-00 CERAMIC CHIP 0.0047uF 5% 50V
C162 1-163-022-00 CERAMIC CHIP 0.012uF 10% 50V
C163 1-163-989-11 CERAMIC CHIP 0.033uF 10% 25V
C164 1-163-011-11 CERAMIC CHIP 0.0015uF 10% 50V
C165 1-163-017-00 CERAMIC CHIP 0.0047uF 5% 50V
C328 1-126-927-11 ELECT 2200uF 20% 10V
IC701 8-759-643-70 IC uPD780306GF-024-3BA
R704 1-216-041-00 METAL CHIP 470 5% 1/10W
44
R705 1-216-061-00 METAL CHIP 3.3K 5% 1/10W
• Abbreviation
CND: Canadian model
C112 1-104-760-11 CERAMIC CHIP 0.047uF 10% 50V
C113 1-104-760-11 CERAMIC CHIP 0.047uF 10% 50V
C114 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
C115 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V
C162 1-104-760-11 CERAMIC CHIP 0.047uF 10% 50V
C163 1-104-760-11 CERAMIC CHIP 0.047uF 10% 50V
C164 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
C165 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V
C328 1-128-836-11 ELECT 2200uF 20% 10V
IC701 8-759-688-93 IC uPD780306GF-034-3BA
R704 1-216-089-11 RES-CHIP 47K 5% 1/10W
(US, CND)
R705 1-216-085-00 METAL CHIP 33K 5% 1/10W
9-929-266-11
4
Sony Corporation
Audio Entertainment Group
Printed in Japan C 2000. 7
2000G0513-1D
Published by HA Quality Assurance Dept.
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