Sony CDX-4480ESP Service Manual ▷ View online
– 56 –
IC702 SM5878AM-E2
IC901 BA3918-V3
ATTENUATION COUNTER
FILTER & ATTENUATION
OPERATION BLOCK
NOISE SHAPER
OPERATION BLOCK
INPUT INTERFACE
CLOCK
GENERATOR
TIMING
CONTROL
1
2
3
4
5
6
6
7
8
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MUTE
DEEN
CKO
DVSS
BCKI
DI
DVDD
LRCI
TSTN
TO1
AVDDL
LO
AVSS
RO
AVDDR
MUTE
XVDD
XTI
XTO
XVSS
DS
RSTN
MODE
ATCK
L
L
R
R
11 LEVEL
DEM DAC
DEM DAC
LPF
AMP
11 LEVEL
DEM DAC
DEM DAC
11 LEVEL
DEM DAC
DEM DAC
LPF
AMP
11 LEVEL
DEM DAC
DEM DAC
+
–
+
–
+
–
+
–
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
– 57 –
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.
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.
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 last of this parts list.
The components identified by
mark
mark
! or dotted line with mark.
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
5-1. CHASSIS SECTION
N
N
Ref. No.
Part No.
Description
Remark
1
11
3
5
8
9
6
7
2
10
4
#1
#1
#2
#2 #2
#12
#2
#2
#2
#1
#1
#1
#3
#3
MG-363W-121
TU1
F901
A
A
B
B
13
12
* 1
X-3374-809-1 COVER ASSY
2
X-3374-808-1 PANEL (1) ASSY, SUB
3
X-3368-104-2 LOCK ASSY
* 4
3-019-564-01 BRACKET (M/D)
5
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
* 6
A-3294-378-A MAIN BOARD, COMPLETE
* 7
3-019-529-11 HEAT SINK
* 8
3-019-565-01 BRACKET (IC)
* 9
3-024-881-01 BRACKET (REG) SUB
* 10
3-019-562-01 CHASSIS (MAIN)
11
1-776-207-82 CORD (WITH CONNECTOR) (POWER)
* 12
3-024-285-01 CUSHION (RUBBER)
* 13
3-024-016-01 PAPER (N), SHIELD
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3301-323-A TUNER ASSY
– 58 –
5-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
57
58
59
62
63
67
64
61
60
65
54
66
53
51
52
56
#4
#4
#4
LCD801
D
C
D
C
55
not supplied
(DISPLAY board)
(DISPLAY board)
51
3-019-549-01 BUTTON (RELEASE)
52
3-019-544-01 KNOB (SEEK/AMS)
53
3-375-373-01 SPRING (RELEASE)
54
3-019-550-01 BUTTON (MODE/SOUND)
55
3-019-528-01 BUTTON (1-10)
56
3-019-551-11 BUTTON (EJECT)
57
3-019-545-01 BUTTON (SOURCE)
58
3-019-547-01 KNOB (VOL)
59
3-019-548-01 RING
60
3-019-543-01 KNOB (D-BASS)
* 61
X-3374-890-1 HOLDER (LCD) ASSY
* 62
3-019-530-01 PLATE (LCD), GROUND
63
3-021-407-01 SHEET (D), LCD
* 64
3-019-531-01 SHEET (LCD), COLOR
65
3-019-521-01 PANEL (FRONT BACK)
66
X-3374-883-1 PANEL ASSY, FRONT
* 67
3-024-286-01 SHEET (E)
LCD801 1-803-028-11 DISPLAY PANEL, LIQUID CRYSTAL
– 59 –
5-3. CD MECHANISM SECTION (1)
(MG-363W-121)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
102
104
111
112
103
109
101
105
107
111
112
106
108
114
115
110
117
119
118
113
116
#7
#9
#9
#11
#5
#11
#13
#9
#8
M903
E
E
* 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
3-931-902-03 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-3309-717-A SERVO BOARD, COMPLETE
* 116
3-007-530-01 BRACKET (MOTOR)
* 117
3-013-387-01 HEAT SINK
* 118
3-014-262-01 SHEET (HEAT SINK)
* 119
3-015-177-01 SPACER (H)
M903
A-3291-676-A MOTOR SUB ASSY, LOADING
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