Sony CDX-4483ESP Service Manual ▷ View online
– 60 –
IC601 IR3R42 (MAIN BOARD)
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
OSC
1/2
1/2
PHASE
WAVEFORM
SEP.
GATE
SAMPLE
& HOLD
BUFFER
REGULATOR
PHASE
COMPARATOR
PHASE
COMPARATOR 2
MUTE
TRIGGER
1
2
3
4
5
6 7
8
9
10
20
19 18
17
16
15
14 13
12
11
AMP
AMP
AMP
LAMP
VCO STOP
ST
LOUT
ROUT
LHC
RHC
POUT
IN
VCC
GND
VCO
LPF1A
LPF1B
DETIN
LPF2A
LPF2B
SUBIN
SUBOUT
MON
– 61 –
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
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-3294-380-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-3282-031-A TUNER UNIT (TUX-006/2(EE))
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
– 62 –
5-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-019-549-01 BUTTON (RELEASE)
52
3-019-544-32 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-3374-885-1 PANEL ASSY, FRONT
* 67
3-024-286-01 SHEET (E)
LCD801 1-803-028-11 DISPLAY PANEL, LIQUID CRYSTAL
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)
– 63 –
5-3. CD MECHANISM SECTION (1)
(MG-363W-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
3-931-902-03 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
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
Click on the first or last page to see other CDX-4483ESP service manuals if exist.