Sony XR-3750 / XR-3758 / XR-3759 / XR-7750 / XR-C350 / XRS-888 Service Manual ▷ View online
– 38 –
IC601
BA3918-V2
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
MODE2
MODE1
STB
VDD
AMP
VCC
ANT
COM
AM
FM
GND
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
IC701
BA8270F-E2
– 39 –
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.
SECTION 7
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-009-294-01 PANEL, SUB
2
3-913-076-01 SPRING (C DOOR), TORSION (XR-C350)
2
3-935-003-01 SPRING, TORSION (XR-3750)
3
3-918-583-31 DOOR, CASSETTE (XR-C350)
3
3-932-205-21 DOOR, CASSETTE (XR-3750)
4
X-3367-636-1 LOCK ASSY
* 5
3-010-376-01 INSULATOR (XR-3750)
* 5
3-011-295-01 INSULATOR (MAIN) (XR-C350)
* 6
A-3309-873-A MAIN BOARD, COMPLETE (XR-C350: GREEN)
* 6
A-3309-874-A MAIN BOARD, COMPLETE (XR-C350: AMBER)
* 6
A-3309-911-A MAIN BOARD, COMPLETE (XR-3750)
7
3-915-923-01 SCREW, GROUND POINT
* 8
X-3373-203-1 COVER ASSY (XR-C350)
* 8
X-3373-269-1 COVER ASSY (XR-3750)
9
1-777-989-11 CORD (WITH CONNECTOR)
(AMP/TEL MUTE) (XR-C350)
* 10
3-012-264-01 BRACKET (52)
* 11
3-009-293-01 HEAT SINK (XR-C350)
* 11
3-010-471-01 HEAT SINK (XR-3750)
12
9-911-840-XX CUSHION (U)
* 13
3-009-813-01 CHASSIS (XR-3750)
* 13
3-010-075-01 CHASSIS (XR-C350)
* 15
A-3309-752-A CONNECTOR BOARD, COMPLETE (XR-C350)
* 15
A-3309-913-A CONNECTOR BOARD, COMPLETE (XR-3750)
16
1-782-092-11 CORD (WITH CONNECTOR) (POWER)
17
1-782-093-11 CORD (WITH CONNECTOR) (SPEAKER)
* 18
3-012-860-01 CAP (52), RUBBER (XR-C350)
* 19
3-009-816-01 BRACKET (IC) (ISO)
F801
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)
(1) CHASSIS SECTION
8
17
F801
16
XR-C350
9
10
#3
MG-52A-135
7
6
5
4
3
Front panel ass’y
#2
#3
#3
1
2
#4
#4
XR-3750
18
#3
13
15
#1
#1
#3
12
#3
19
XR-C350
11
11
not
supplied
supplied
– 40 –
SONY
(2) FRONT PANEL SECTION
53
54
52
59
60
62
LCD901
not supplied
(KEY board)
(KEY board)
#5
#5
PL901
65
66
61
51
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-009-301-01 BUTTON (BASS)
52
3-009-299-01 BUTTON (L2) (+. –) (XR-C350)
52
3-010-472-01 BUTTON (L2) (+. –) (XR-3750)
53
3-009-304-01 BUTTON (RELEASE)
54
3-375-373-01 SPRING (RELEASE) (XR-C350)
54
3-932-475-01 SPRING (RELEASE) (XR-3750)
55
3-904-194-01 EMBLEM (NO. 2.5), SONY (XR-C350)
56
X-3373-664-1 PANEL SUB ASSY (XR-C350)
56
X-3373-666-1 PANEL SUB ASSY (XR-3750)
57
3-009-300-01 BUTTON (SOURCE)
58
3-009-297-01 BUTTON (L) (+
+ ). SEEK AMS.
= 0 –. r. OFF. r . SEL. MUTE) (XR-C350)
58
3-009-867-01 BUTTON (L) (3) (+
+ ). SEEK AMS.
= 0 –. r . OFF. SEL. MUTE) (XR-3750)
59
3-009-308-01 BUTTON (1-3) (
6. 1. 2. 3) (XR-C350)
59
3-010-473-01 BUTTON (1-3) (
6. 1. 2. 3) (XR-3750)
60
3-009-309-11 BUTTON (4-6) (4. 5. 6) (XR-C350)
60
3-010-474-11 BUTTON (4-6) (4. 5. 6) (XR-3750)
61
3-009-312-01 BUTTON (R) (B) (BTM. LCL. – DISC +)
(XR-C350)
61
3-009-315-01 BUTTON (R) (3) (BTM. LCL.
r) (XR-3750)
* 62
3-010-282-01 PLATE (LCD), GROUND
* 63
3-009-305-01 SHEET (REFLECTOR)
* 64
3-009-302-01 PLATE (LCD), LIGHT GUIDE
* 65
3-009-303-01 HOLDER (LCD)
66
3-009-295-01 PANEL, FRONT BACK (XR-C350)
66
3-010-519-01 PANEL, FRONT BACK (XR-3750)
LCD901 1-801-586-11 DISPLAY PANEL, LIQUID CRYSTAL (XR-C350)
LCD901 1-801-588-11 DISPLAY PANEL, LIQUID CRYSTAL (XR-3750)
PL901
LCD901 1-801-588-11 DISPLAY PANEL, LIQUID CRYSTAL (XR-3750)
PL901
1-517-633-21 LAMP, PILOT (LCD BACK LIGHT)
PL902
1-517-633-21 LAMP, PILOT (LCD BACK LIGHT)
58
57
56
55
64
63
PL902
– 41 –
(3) MECHANISM DECK SECTION-1
(MG-52A-135)
106
107
108
109
M901
110
111
112
102
103
#7
104
105
A
A
#6
101
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
3-928-675-01 BELT (52)
* 102
3-928-673-01 LEVER (LDG-A)
103
3-928-674-01 LEVER (LDG-B)
104
3-933-341-01 SPRING (LEVER LDG), TENSION
105
3-928-671-01 HOUSING
* 106
3-933-347-01 ARM (SUCTION)
107
3-933-340-01 HANGER
108
3-933-346-01 CATCHER
109
3-933-344-01 GUIDE (C)
110
3-341-753-11 WASHER, POLYETHYLENE
111
3-933-335-01 GEAR (LDG-FT)
112
3-928-667-01 GEAR (LDG-A)
M901
A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL)
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