Sony XES-M50 (serv.man3) Service Manual ▷ View online
– 17 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Power voltage is dc14.4 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages are dc with respect to ground under no-signal
conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
XES-M50
• IC Block Diagram
IC102, 202
µPC494GS
4
1
2
3
5
6
7 8
9
10
16 15
14
13
12 11
ERROR
0.1V
REG.
REF.
OSC
ERROR
– 18 –
11
Ref. No.
Part No.
Description
Remark
10
7
#3
11
2
5
4
5
4
8
#3
not supplied
8
1
SECTION 5
EXPLODED VIEWS
9
8
12
#5
#2
#5
#3
#2
3
4
4
3
#1
3
2
1
3
6
* 1
3-010-005-01 COVER (A)
* 2
3-011-290-01 COVER (B)
3
3-011-386-01 BOLT (4X17), HEXAGON SOCKET
4
3-011-387-01 BOLT (4X10), HEXAGON SOCKET
5
3-012-049-01 SCREW (2.6X6), +P
* 6
3-009-992-01 CHASSIS (UPPER)
* 7
3-009-998-01 PANEL (TOP)
* 8
3-012-015-01 BRACKET, CONCLUDE
9
3-009-885-11 PLATE (DOOR), ORNAMENTAL
* 10
X-3373-558-1 PLATE (LED) ASSY, LIGHT GUIDE
* 11
3-010-006-01 PANEL (FAN)
* 12
3-010-007-01 BRACKET (BOTTOM)
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference num-
ber in the exploded views are not supplied.
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.
packing materials are given in the last of the
electrical parts list.
(1)
CHASSIS (UPPER) SECTION
Ref. No.
Part No.
Description
Remark
– 19 –
61
67
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 65
3-009-995-01 PANEL (REAR)
66
1-782-013-11 CORD (WITH CONNECTOR) (REMOTE)
* 67
3-011-285-01 FOOT (A)
* 68
1-663-821-11 JACK (R) BOARD
* 69
3-009-996-01 PANEL (FRONT)
CNJ101 1-573-057-21 JACK, PIN 1P (WHITE) (INPUT) (L-CH)
CNJ201 1-573-057-31 JACK, PIN 1P (RED) (INPUT) (R-CH)
F101
CNJ201 1-573-057-31 JACK, PIN 1P (RED) (INPUT) (R-CH)
F101
1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
(L-CH)
F201
1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
(R-CH)
M101
1-698-236-11 MOTOR, FAN
M201
1-698-236-11 MOTOR, FAN
59
60
67
69
55
68
65
63
62
64
61
59
52
CNJ201
supplied with
CNJ201
CNJ201
CNJ101
52
60
58
M101
F101, 201
54
66
54
57
63
58
M201
57
56
55
supplied with
CNJ101
CNJ101
53
51
54
59
51
3-366-821-01 BUSHING (RED)
52
3-012-381-01 SCREW (2.6X6), +K
53
3-366-821-11 BUSHING (WHITE)
54
3-012-049-01 SCREW (2.6X6), +P
* 55
3-366-820-03 SHEET (D), INSULATING
* 56
1-663-820-11 JACK (L) BOARD
57
3-909-196-01 SCREW (2X13.5), +PWH
58
3-011-389-01 SCREW (3X4) (COPPER PLATING), +B
59
3-012-050-01 SCREW (3X10) (COPPER PLATING), +B
* 60
3-010-001-01 BRACKET (FAN)
* 61
3-011-286-01 FOOT (B)
* 62
1-664-788-11 LED BOARD
63
3-912-525-01 SCREW (2.6X4) (CU), +B
* 64
3-010-002-01 BRACKET (LED)
54
(2)
FRONT, REAR PANEL SECTION
59
– 20 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
102
118
#4
109
104
103
118
119
#4
#4
101
102
103
116
112
104
114
105
supplied with
VR101
VR101
107
108
115
108
#6
#4
106
#6
#4
107
106
#6
109
112
111
113
107
110
T102, 202
112
108
#4
106
#4
* 101
3-009-993-01 CHASSIS (LOWER)
102
3-009-997-01 BOSS
* 103
3-010-003-01 BRACKET (TR)
104
3-011-388-01 SCREW (4X14)(COPPER PLATING), +B
* 105
A-3309-899-A L-CH AMP BOARD, COMPLETE
106
3-011-512-01 SCREW (TERMINAL), M4X8
107
2-259-121-01 SCREW, TR
108
3-011-389-01 SCREW (3X4) (COPPER PLATING), +B
109
4-908-961-01 WASHER
110
1-694-290-11 TERMINAL, SOLDERLESS
* 111
3-011-287-01 RETAINER (TRANSFORMER)
* 112
3-014-984-01 SPACER (TRANSFORMER)
113
3-012-050-01 SCREW (3X10) (COPPER PLATING), +B
* 114
3-009-994-01 HEAT SINK
* 115
A-3309-900-A R-CH AMP BOARD, COMPLETE
* 116
3-015-610-01 SHAFT (TRANSFORMER)
* 118
3-012-269-01 PLATE, SHIELD
* 119
3-012-270-01 BRACKET (VR)
T102
1-431-186-11 TRANSFORMER, DC-DC CONVERTER (L-CH)
T202
1-431-186-11 TRANSFORMER, DC-DC CONVERTER (R-CH)
106
supplied with
VR201
VR201
#4
119
109
(3)
CHASSIS (LOWER) SECTION
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