Sony XR-2800 / XR-2803 Service Manual ▷ View online
– 34 –
SECTION 7
EXPLODED VIEWS
• 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) CHASSIS SECTION
1
3-012-567-01 COLLAR (A)
2
X-3372-126-1 HANDLE ASSY
* 3
3-012-574-01 INSULATOR
* 4
A-3313-588-A MAIN BOARD, COMPLETE (XR-2803)
* 4
A-3313-590-A MAIN BOARD, COMPLETE (XR-2800)
5
3-915-923-01 SCREW, GROUND POINT
* 6
3-012-565-01 COVER
* 7
3-012-568-01 BRACKET (CONNECTOR)
* 8
3-012-569-01 HEAT SINK
* 9
3-012-566-01 BRACKET (IC)
* 10
A-3313-589-A POWER BOARD, COMPLETE (XR-2803)
* 10
A-3313-591-A POWER BOARD, COMPLETE (XR-2800)
11
3-012-575-01 PANEL (REAR)
12
3-340-614-11 SCREW (JACK), STEP
13
3-012-593-01 BRACKET
* 14
X-3373-590-1 CHASSIS ASSY
15
3-012-587-01 PLATE (C), GROUND
16
1-782-344-11 CORD (WITH CONNECTOR) (POWER)
17
3-338-263-01 CUSHION (U)
* 18
3-014-628-01 CHASSIS (FRONT)
19
3-017-103-01 BUTTON (RELEASE)
20
3-022-253-01 SHEET, INSULATING (A)
21
3-022-254-01 SHEET, INSULATING (B)
BT501
1-528-225-31 BATTERY, LITHIUM
F901
1-532-677-00 FUSE, GLASS TUBE (10A)
#1
not supplied
MG-25E-136
BT501
Front panel ass’y
#2
#2
F901
#2
#1
#1
#1
#1
#1
#1
#4
#5
11
10
16
13
14
18
19
1
2
3
4
5
5
6
7 8
9
21
17
15
12
20
– 35 –
51
3-018-799-01 BUTTON (D-BASS)
52
3-016-932-01 BUTTON (L) (2) (+. –)
53
3-012-576-01 BUTTON (RESET)
54
3-009-300-01 BUTTON (SOURCE)
55
3-018-797-11 BUTTON (L) (3) (
r. OFF. + + ).
SEEK AMS.
= 0 –. SEL. ATT)
56
3-016-933-01 BUTTON (1-3) (
6. 1. 2. 3)
57
3-016-931-01 BUTTON (4-6) (4. 5. 6)
58
3-009-315-01 BUTTON (R) (3) (BTM. LCL.
r)
59
3-932-205-21 DOOR, CASSETTE
60
3-935-003-01 SPRING, TORSION
* 61
A-3294-388-A CONTROL BOARD, COMPLETE (XR-2803)
* 61
A-3294-390-A CONTROL BOARD, COMPLETE (XR-2800)
* 62
3-019-151-01 PLATE (LCD), GROUND
* 63
3-019-150-01 SHEET (REFLECTOR)
* 64
3-019-149-01 PLATE, LCD
* 65
3-018-612-01 PLATE, LIGHT GUIDE
* 66
3-018-611-01 HOLDER (LCD)
67
X-3375-276-1 PAEL SUB ASSY (XR-2800)
67
X-3375-277-1 PAEL SUB ASSY (XR-2803)
LCD901 1-801-966-31 DISPLAY PANEL, LIQUID CRYSTAL
(2) FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
52
51
67
58
59
57
56
53
54
55
62
60
61
64
65
66
LCD901
not supplied
#3
#3
63
– 36 –
151
A-3291-667-A CLUTCH (FR) ASSY
* 152
3-019-130-01 LEVER (LDG-A)
* 153
3-019-131-01 LEVER (LDG-B)
154
3-020-539-01 SPRING (LD-1), TENSION
155
3-020-540-01 SPRING (LD-2), TENSION
156
3-020-542-01 GEAR (LOADING FT)
157
3-341-753-11 WASHER, POLYETHYLENE
158
3-020-533-01 HOUSING
* 159
3-020-532-01 ARM (SUCTION)
160
3-020-534-01 HANGER
(3) MECHANISM DECK SECTION
(MG-25E-136)
(MG-25E-136)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
161
3-933-346-01 CATCHER
162
3-933-344-01 GUIDE (C)
163
3-014-798-01 SCREW (HEAD), SPECIAL
164
3-364-151-01 WASHER
165
X-3375-625-1 CHASSIS (SV) ASSY (D)
166
3-017-302-01 BELT (25)
167
3-936-853-01 FLYWHEEL (F)
168
3-701-437-21 WASHER
HP901
1-500-157-21 HEAD, MAGNETIC (PLAYBACK)
M901
A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL)
160
159
158
155
154
153
152
156
157
163
161
162
164
165
166
167
151
168
168
HP901
M901
#7
#6
A
A
– 37 –
SECTION 7
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used
on the set.
fied in the diagrams or the components used
on the set.
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• 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 order-
ing these items.
Some delay should be anticipated when order-
ing these items.
• SEMICONDUCTORS
In each case, u: µ, for example:
uA. .
uA. .
: µA. .
uPA. . : µPA. .
uPB. .
: µPB. .
uPC. . : µPC. .
uPD. .
: µPD. .
• CAPACITORS
uF: µF
• COILS
uH: µH
Ref. No.
Part No.
Description
Remark
CONTROL
When indicating parts by reference
number, please include the board.
number, please include the board.
*
A-3294-388-A CONTROL BOARD, COMPLETE (XR-2803)
*
A-3294-390-A CONTROL BOARD, COMPLETE (XR-2800)
*************************
*
3-018-611-01 HOLDER (LCD)
*
3-018-612-01 PLATE, LIGHT GUIDE
*
3-019-149-01 PLATE, LCD
*
3-019-150-01 SHEET (REFLECTOR)
*
3-019-151-01 PLATE (LCD), GROUND
< CAPACITOR >
C901
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C902
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C903
1-163-038-00 CERAMIC CHIP
0.1uF
25V
C904
1-163-137-00 CERAMIC CHIP
680PF
5%
50V
< CONNECTOR >
CN901
1-770-382-11 CONNECTOR, BOARD TO BOARD 12P
< DIODE >
D806
8-719-422-64 DIODE MA8062-M
D901
8-719-420-90 DIODE MA8051-M
D902
8-719-422-64 DIODE MA8062-M
D903
8-719-422-64 DIODE MA8062-M
D904
8-719-422-64 DIODE MA8062-M
D905
8-719-422-64 DIODE MA8062-M
< IC >
IC901
8-759-443-68 IC LC75834JED
< SHORT >
JR901
1-216-296-00 SHORT
0
JR902
1-216-295-00 SHORT
0
JR903
1-216-296-00 SHORT
0
JR904
1-216-296-00 SHORT
0
JR905
1-216-295-00 SHORT
0
JR906
1-216-296-00 SHORT
0
JR907
1-216-296-00 SHORT
0
JR908
1-216-296-00 SHORT
0
JR909
1-216-296-00 SHORT
0
JR911
1-216-296-00 SHORT
0
JR912
1-216-296-00 SHORT
0
< LIQUID CRYSTAL DISPLAY >
LCD901 1-801-966-31 DISPLAY PANEL, LIQUID CRYSTAL
< PILOT LAMP >
PL901
1-517-633-21 LAMP, PILOT (LCD BACK LIGHT)
PL902
1-517-633-21 LAMP, PILOT (LCD BACK LIGHT)
< RESISTOR >
R73
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
(XR-2803)
R901
1-216-045-00 METAL CHIP
680
5%
1/10W
R902
1-216-045-00 METAL CHIP
680
5%
1/10W
R903
1-216-045-00 METAL CHIP
680
5%
1/10W
R904
1-216-049-11 RES, CHIP
1K
5%
1/10W
R905
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
R906
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
R907
1-216-057-00 METAL CHIP
2.2K
5%
1/10W
R908
1-216-061-00 METAL CHIP
3.3K
5%
1/10W
R909
1-216-065-00 METAL CHIP
4.7K
5%
1/10W
R910
1-216-069-00 METAL CHIP
6.8K
5%
1/10W
R911
1-216-073-00 METAL CHIP
10K
5%
1/10W
R921
1-216-045-00 METAL CHIP
680
5%
1/10W
R922
1-216-045-00 METAL CHIP
680
5%
1/10W
R923
1-216-045-00 METAL CHIP
680
5%
1/10W
R924
1-216-049-11 RES, CHIP
1K
5%
1/10W
R925
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
R926
1-216-053-00 METAL CHIP
1.5K
5%
1/10W
R951
1-216-041-00 METAL CHIP
470
5%
1/10W
R952
1-216-089-00 RES, CHIP
47K
5%
1/10W
R953
1-216-049-11 RES, CHIP
1K
5%
1/10W
R954
1-216-049-11 RES, CHIP
1K
5%
1/10W
R955
1-216-049-11 RES, CHIP
1K
5%
1/10W
R956
1-216-049-11 RES, CHIP
1K
5%
1/10W
R957
1-216-033-00 METAL CHIP
220
5%
1/10W
(XR-2803)
R957
1-216-037-00 METAL CHIP
330
5%
1/10W
(XR-2800)
R958
1-216-033-00 METAL CHIP
220
5%
1/10W
(XR-2803)
R958
1-216-037-00 METAL CHIP
330
5%
1/10W
(XR-2800)
Ver 1.1
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