Sony PMC-20 Service Manual ▷ View online
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– 8 –
PMC-20
2-3. SCHEMATIC DIAGRAM — MAIN BOARD (1/2) — ((Page 35))
(Page 9)
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– 10 –
PMC-20
(Page 8)
2-4. SCHEMATIC DIAGRAM — MAIN BOARD (2/2) — ((Page 37))
((Page 44))
((Page 37))
((Page 39))
((Page 31))
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3. EXPLODED VIEWS ((Page 48))
This exploded views contains only points which differ from PMC-107 US model.
* A-3323-525-A MAIN PC BOARD ASSY
3-025-492-31 CABINET (REAR) (GRAY)
A-3364-113-A HOLDER ASSY, CASSETTE (GRAY)
3-025-499-11 HOLDER, CASSETTE (GRAY)
3-025-508-11 BUTTON (REC) (GRAY)
3-025-511-11 BUTTON (PLAY) (GRAY)
3-025-509-11 BUTTON (FF) (GRAY)
3-025-510-11 BUTTON (REW) (GRAY)
3-025-512-11 BUTTON (STOP) (GRAY)
3-025-507-11 BUTTON (PAUSE) (GRAY)
X-3378-666-1 CABINET (FRONT) SUB ASSY (GRAY)
3-025-499-11 HOLDER, CASSETTE (GRAY)
3-025-508-11 BUTTON (REC) (GRAY)
3-025-511-11 BUTTON (PLAY) (GRAY)
3-025-509-11 BUTTON (FF) (GRAY)
3-025-510-11 BUTTON (REW) (GRAY)
3-025-512-11 BUTTON (STOP) (GRAY)
3-025-507-11 BUTTON (PAUSE) (GRAY)
X-3378-666-1 CABINET (FRONT) SUB ASSY (GRAY)
3-025-505-41 CD LID (GRAY)
3-026-314-11 BRACKET (LIFT) (GRAY)
3-025-504-11 CABINET (UPPER) (GRAY)
3-026-314-11 BRACKET (LIFT) (GRAY)
3-025-504-11 CABINET (UPPER) (GRAY)
A-3328-486-A NET ASSY, SPEAKER (LIGHT GRAY)
3-025-514-11 CABINET, SPEAKER (REAR)
3-025-514-11 CABINET, SPEAKER (REAR)
Part No.
Description
Remark
Page
PMC-107
PMC-20
48
Ref. No.
Part No.
Description
Remark
*
1
A-3293-989-A MAIN PC BOARD ASSY
4
3-025-492-11 CABINET (REAR) (BLACK)
54
A-3320-489-A HOLDER ASSY, CASSETTE (BLACK)
55
3-025-499-01 HOLDER, CASSETTE (BLACK)
66
3-025-508-01 BUTTON (REC) (BLACK)
67
3-025-511-01 BUTTON (PLAY) (BLACK)
68
3-025-509-01 BUTTON (FF) (BLACK)
69
3-025-510-01 BUTTON (REW) (BLACK)
70
3-025-512-01 BUTTON (STOP) (BLACK)
71
3-025-507-01 BUTTON (PAUSE) (BLACK)
73
X-3379-137-1 CABINET (FRONT) SUB ASSY (BLACK)
102
3-025-505-11 CD LID (BLACK) (BLACK)
105
3-026-314-01 BRACKET (LIFT) (BLACK)
109
3-025-504-01 CABINET (UPPER) (BLACK)
401
A-3320-420-A NET ASSY, SPEAKER (BLUE)
404
3-025-514-01 CABINET, SPEAKER (REAR) (BLACK)
56
50
49
NOTE:
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
R
R
– 12 –
NOTE:
• Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
parts specified in the diagrams or the
components used on the set.
• RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• SEMICONDUCTORS
In each case, u : µ, for example:
uA.. : µA..
uA.. : µA..
uPA.. : µPA..
uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
• CAPACITORS
uF : µF
• COILS
uH : µH
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
When indicating parts by reference
number, please include the board.
number, please include the board.
4. ELECTRICAL PARTS LIST ((Page 60))
*
A-3323-525-A MAIN BOARD, COMPLETE
*********************
*
1-564-187-00 PIN, CONNECTOR
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
< CAPACITOR >
C1
1-162-294-31 CERAMIC
0.001uF
10%
50V
C2
1-162-193-31 CERAMIC
3.3PF
10%
50V
C3
1-162-306-11 CERAMIC
0.01uF
30%
16V
C4
1-162-306-11 CERAMIC
0.01uF
30%
16V
C5
1-164-159-21 CERAMIC
0.1uF
50V
C6
1-164-159-21 CERAMIC
0.1uF
50V
C7
1-164-159-21 CERAMIC
0.1uF
50V
C8
1-162-306-11 CERAMIC
0.01uF
30%
16V
C9
1-162-306-11 CERAMIC
0.01uF
30%
16V
C10
1-162-290-31 CERAMIC
470PF
10%
50V
C11
1-162-199-31 CERAMIC
10PF
5%
50V
C12
1-162-199-31 CERAMIC
10PF
5%
50V
C13
1-164-159-21 CERAMIC
0.1uF
50V
C14
1-161-494-00 CERAMIC
0.022uF
30%
25V
C15
1-126-964-11 ELECT
10uF
20.00% 50V
C16
1-162-288-31 CERAMIC
330PF
10%
50V
C17
1-162-305-11 CERAMIC
6800PF
20%
16V
C18
1-126-964-11 ELECT
10uF
20.00% 50V
C19
1-162-849-11 CERAMIC
0.068uF
10.00% 16V
C20
1-162-850-11 CERAMIC
0.082uF
10.00% 16V
C21
1-162-850-11 CERAMIC
0.082uF
10.00% 16V
C22
1-136-156-00 FILM
0.018uF
5%
50V
C23
1-136-156-00 FILM
0.018uF
5%
50V
C24
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C25
1-164-159-21 CERAMIC
0.1uF
50V
C26
1-104-665-11 ELECT
100uF
20.00% 10V
C27
1-162-211-31 CERAMIC
33PF
5%
50V
C28
1-162-203-31 CERAMIC
15PF
5.00%
50V
C29
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C30
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C31
1-162-192-31 CERAMIC
2.7PF
10%
50V
C33
1-162-294-31 CERAMIC
0.001uF
10%
50V
C34
1-162-294-31 CERAMIC
0.001uF
10%
50V
C35
1-162-294-31 CERAMIC
0.001uF
10%
50V
C36
1-126-233-11 ELECT
22uF
20%
50V
C37
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C38
1-126-964-11 ELECT
10uF
20.00% 50V
C39
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C40
1-136-177-00 MYLAR
1uF
5.00% 50V
C41
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C42
1-126-964-11 ELECT
10uF
20.00% 50V
C43
1-126-964-11 ELECT
10uF
20.00% 50V
C44
1-126-964-11 ELECT
10uF
20.00% 50V
C45
1-162-294-31 CERAMIC
0.001uF
10%
50V
C46
1-126-233-11 ELECT
22uF
20%
50V
C51
1-161-494-00 CERAMIC
0.022uF
30%
50V
C52
1-162-282-31 CERAMIC
100PF
10%
50V
C53
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C55
1-162-294-31 CERAMIC
0.001uF
10%
50V
C56
1-162-294-31 CERAMIC
0.001uF
10%
50V
C58
1-162-306-11 CERAMIC
0.01uF
30.00% 16V
C59
1-162-215-31 CERAMIC
47PF
5%
50V
C61
1-102-518-11 CERAMIC
33PF
5%
50V
C64
1-164-159-21 CERAMIC
0.1uF
50V
C65
1-162-306-11 CERAMIC
0.01uF
30%
16V
C72
1-162-294-31 CERAMIC
0.001uF
10%
50V
C73
1-162-294-31 CERAMIC
0.001uF
10%
50V
C74
1-162-282-31 CERAMIC
100PF
10%
50V
C75
1-162-294-31 CERAMIC
0.001uF
10%
50V
C76
1-161-494-00 CERAMIC
0.022uF
30%
50V
C101
1-130-473-00 MYLAR
0.0015uF 5%
50V
C102
1-162-302-11 CERAMIC
0.0022uF 20.00% 16V
C103
1-104-664-11 ELECT
47uF
20.00% 10V
C104
1-161-020-11 CERAMIC
0.039uF
10.00% 16V
C105
1-124-902-00 ELECT
0.47uF
20%
50V
C106
1-124-903-11 ELECT
1uF
20.00% 50V
C107
1-124-902-00 ELECT
0.47uF
20%
50V
C108
1-130-495-00 MYLAR
0.1uF
5%
50V
C109
1-130-487-00 MYLAR
0.022uF
5%
50V
C110
1-162-306-11 CERAMIC
0.01uF
30%
16V
C111
1-126-963-11 ELECT
4.7uF
20.00% 50V
C112
1-124-903-11 ELECT
1uF
20.00% 50V
C113
1-162-301-11 CERAMIC
0.0015uF 30.00% 16V
C114
1-162-282-31 CERAMIC
100PF
10%
50V
C115
1-104-665-11 ELECT
100uF
20.00% 10V
C116
1-104-665-11 ELECT
100uF
20.00% 10V
C117
1-130-495-00 MYLAR
0.1uF
5%
50V
C118
1-126-927-11 ELECT
2200uF
20.00% 10V
C119
1-124-903-11 ELECT
1uF
20.00% 50V
C201
1-130-473-00 MYLAR
0.0015uF 5%
50V
C202
1-162-302-11 CERAMIC
0.0022uF 20.00% 16V
C203
1-104-664-11 ELECT
47uF
20.00% 10V
C204
1-161-020-11 CERAMIC
0.039uF
10.00% 16V
MAIN
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