DOWNLOAD Sony CDX-C8850R Service Manual ↓ Size: 8.17 MB | Pages: 86 in PDF or view online for FREE

Model
CDX-C8850R
Pages
86
Size
8.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-c8850r.pdf
Date
PREV: Sony CDX-C8850 / CDX-C9500 (serv.man3) Service Manual

Sony CDX-C8850R Service Manual ▷ View online

65
CONTROL
CIRCUIT
LOW VCC
DETECTOR CIRCUIT
WRITE/ERASE
PULSE TIMER
ERASE CIRCUIT
RY/BY
BUFFER
CHIP ENABLE/
OUTPUT ENABLE
CIRCUIT
I/O
BUFFER
DATA
LATCH
ADDRESS
LATCH
Y
DECODER
8,388,608
CELL
MATRIX
Y GATE
WRITE CIRCUIT
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
DQ3
DQ11
VCC
DQ4
DQ12
DQ5
DQ13
DQ7
DQ14
DQ6
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
GND
CE
OE
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
A8
A9
A15
A14
A13
A12
A11
NC
RY/BY
WE
A7
A6
A4
A5
NC
NC
RESET
NC
47
48
45
46
A3
A2
A1
A17
A10
X
DECODER
A16
BYTE
GND
DQ15/A–1
A0
STB
STB
A18
IC871  TL1451ACDB-E20
IC805  MBM29F800TA
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
S
R
R
VERF
VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REF
OUT
S.C.P
NON-INV-
INPUT2
INV-
INPUT2
FEED
BACK2
DEAD
TIME
CONTROL2
OUT2
VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT
66
#2
#1
#1
#1
#1
#1
#1
#10
#10
#2
#2
#2
#5
#5
#5
#1
F901
20
1
2
3
4
5
6
7
23
28
9
8
27
10
26
17
12
13
15
15
24
16
18
TU101
21
19
25
15
11
MG-363S-121
22
14
SECTION 5
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color  Cabinet’s Color
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
The components identified by
mark 
! or dotted line with mark.
! are critical for safety.
Replace only with part number
specified.
• Abbreviation
TYPE A : ENGLISH, FRENCH
TYPE B : ENGLISH, SPANISH
TYPE C : ENGLISH, GERMAN
Ref. No.
Part No.
Description
Remark
5-1. CHASSIS SECTION
N
N
Ref. No.
Part No.
Description
Remark
* 1
3-022-316-51 COVER
2
X-3377-574-1 PANEL ASSY, SUB
3
3-022-338-01 BUTTON (EJECT)
* 4
A-3294-744-A RELAY BOARD, COMPLETE
5
X-3376-687-1 LOCK ASSY
* 6
X-3376-689-1 BRACKET (GEAR) ASSY
7
3-030-909-02 DAMPER, OIL
* 8
3-036-995-01 BRACKET (POWER)
9
3-035-250-01 SCREW (LOCK)
* 10
A-3294-743-A MAIN BOARD, COMPLETE (TYPE B)
* 10
A-3294-745-A MAIN BOARD, COMPLETE (TYPE C)
* 10
A-3294-747-A MAIN BOARD, COMPLETE (TYPE A)
* 11
A-3294-739-A POWER BOARD, COMPLETE (TYPE A)
* 11
A-3294-742-A POWER BOARD, COMPLETE (TYPE B)
* 11
A-3294-746-A POWER BOARD, COMPLETE (TYPE C)
* 12
3-022-317-01 BRACKET (AMP)
13
3-023-841-11 HEAT SINK
* 14
3-016-299-01 CUSHION
15
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
* 16
3-022-335-01 BRACKET (MECHANISM DECK)
* 17
3-022-311-31 CHASSIS
18
1-790-355-31 CORD (WITH CONNECTOR) (RCA) (SUB OUT)
19
1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)
20
1-777-246-21 CORD (WITH CONNECTOR) (ANTENNA)
* 21
3-036-998-01 SHEET, INSULATING
* 22
2-389-320-01 RUBBER (A)
23
3-713-786-51 SCREW +P 2X3
24
3-360-123-01 PLATE (C), GROUND
25
1-791-458-11 CABLE, POWER (WITH CHOKE COIL) (POWER)
* 26
3-040-197-01 PLATE, SHIELD
* 27
3-041-064-01 CUSHION (POWER)
28
3-040-760-01 SHEET (CONNECTOR)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU101
A-3282-045-A TUNER UNIT (TUX-012(E))
67
51
#3
not supplied
(DISPLAY board)
#3
#3
LCD900
52
53
54
55
56
57
58
59
60
61
62
74
63
64
65
66
75
73
67
72
68
69
68
70
71
5-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-022-329-21 BUTTON (SOURCE)
52
3-033-667-02 KNOB (VOL)
53
3-022-323-31 LEVER (SHUTTLE)
* 54
3-030-648-01 PLATE (RING), LIGHT GUIDE
55
X-3377-571-1 PANEL SUB ASSY, FRONT
56
3-022-330-11 BUTTON (MODE)
57
3-022-331-01 BUTTON (SOUND)
58
3-022-324-02 PLATE (SHUTTLE), LIGHT GUIDE
59
3-022-333-01 BUTTON (OPEN)
60
3-935-151-01 SPRING (OPEN)
61
3-022-308-01 BUTTON (PTY)
62
3-022-332-01 BUTTON (10 KEY)
* 63
3-037-152-01 BRACKET (LCD)
64
1-694-414-11 CONDUCTOR BOARD, CONNECTION
* 65
3-037-000-01 SHEET, DIFFUSION
* 66
3-037-669-01 PLATE (LCD), LIGHT GUIDE
67
3-010-999-01 BEARING (L)
68
3-010-998-01 SPRING (BEARING)
69
3-011-000-01 BEARING (R)
70
X-3377-563-1 PANEL ASSY, FRONT BACK
* 71
3-040-797-01 SPACER (S)
* 72
3-040-798-01 SPACER (S2)
* 73
3-040-254-01 CUSHION (RING)
* 74
3-040-253-01 SPACER (LCD)
* 75
3-322-226-41 SPACER (A)
LCD900 1-803-633-11 DISPLAY PANEL, LIQUID CRYSTAL
68
M903
113
116
117
118
115
110
114
108
106
101
112
111
109
112
111
104
102
103
107
105
#9
#7
#7
#8
#9
#9
A
A
#9
#7
#7
5-3. CD MECHANISM SECTION (1)
(MG-363S-121)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 101
1-659-836-11 DISC IN SW BOARD
* 102
A-3291-816-B CHASSIS (T) SUB ASSY
103
3-931-909-01 SPRING (LR), TENSION
104
X-3371-501-1 LEVER (L) ASSY
105
3-338-737-01 SCREW (2X3), +PS
* 106
1-659-837-11 LOAD SW BOARD
107
X-3371-502-1 LEVER (R) ASSY
108
A-3301-203-A ROLLER ASSY
109
3-931-908-01 GUIDE (DISC)
110
3-931-902-04 ARM (ROLLER)
111
3-936-756-01 ROLLER (D)
112
3-321-393-01 WASHER, STOPPER
* 113
3-939-139-01 SPACER
114
3-931-916-01 SPRING (RA), TENSION
* 115
A-3313-381-A SERVO BOARD, COMPLETE
* 116
3-007-530-01 BRACKET (MOTOR)
* 117
3-023-537-04 HEAT SINK
* 118
3-023-538-01 SHEET, RADIATION
M903
A-3291-676-A MOTOR SUB ASSY, LOADING (LOADING)
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