Sony CDX-C480 / CDX-C580 Service Manual ▷ View online
– 51 –
IC402, 403 TDA8574
IC401 LC75374E
IC601 BU2624FV
+
–
–
+
–
–
+
–
–
+
–
+
–
+
–
–
+
–
–
+
–
+
–
+
–
+
–
–
+
–
–
+
–
+
–
DECODER
LATCH
SHIFT
REGISTER
CONTROL
–
+
+
–
–
1
2
3 4
5
6 7 8
9 10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
43
44
LSELO
L4
L3
L3
L2
L1
VDD
R1
R2
R3
R4
R4
RSELO
RVRIN
RCOM
RT1
RT2
RT3
RTOUT
RSIN
NC
NC
RSB1
RSB2
RFIN
RFOUT
RROUT
VSS
CL
DI
CE
VREF
LROUT
LFOUT
LFIN
LSB2
LSB1
NC
NC
LSIN
LTOUT
LT3
LT2
LT1
LCOM
LVRIN
REFERENCE
REFERENCE
VCCL
VCCL
VCCL
INL
SVRL
INML
INMR
SVRR
INR
VCCR
VCCR
VCCR
BUFFER
BUFFER
BUFFER
BUFFER
LIFT
AMP
SIGNAL
AMP
LIFT
AMP
SIGNAL
AMP
CL+
CL–
LGND
OUTL
OUTR
RGND
CR–
CR+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PHASE
DET
PRESCALER
MAIN
COUNT
IF COUNT
CTL
20BIT COUNT
SHIFT REGISTER LATCH
REFERENCE
DIVIDER
I/O
CTL
1
2
4
5
6
7
9
10
20
18
17
16
15
14
13
12
11
11
19
XIN
CE
CK
DA
CD
P0
P1
P3
XOUT
VSS
PD
VDD
FMIN
AMIN
P2
IFIN
SD
P4
P4
– 52 –
IC803 BA8270F-E2
IC701 SM5852FS
IC901 BA3918-V3
1
2
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
DIGITAL
SIGNAL
PROCESSOR
OUTPUT
INTERFACE
SYSTEM
CLOCK
INPUT
INTERFACE
SEQUENTIAL
CONTROL
MUTE
CONTROL
MODE
CONTROL
LRCI
BCKI
BCKI
DI
CLK
VSS
RSTN
TESTN
MUTEN
DB/DS
MOD2
MOD2
MOD1
OPT
VDD
LRCO
BCKO
DOUT
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
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
+
–
+
–
+
–
+
–
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
IC702 SM5878AM
– 53 –
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.
Les composants identifiés par une
marque
marque
! sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ne les remplacer que par une piéce
portant le numéro spécifié.
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
#10
#11
#11
#2
#2
#2
#2
#1
#1
#1
#3
#3
MG-363X-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-3294-347-A MAIN BOARD, COMPLETE (C480:US,Canadian)
* 6
A-3294-356-A MAIN BOARD, COMPLETE (C580)
* 6
A-3294-383-A MAIN BOARD, COMPLETE (E)
* 7
3-019-529-01 HEAT SINK
* 8
3-019-565-01 BRACKET (IC)
* 9
3-019-533-01 BRACKET (REG)
* 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-3294-437-A TUNER ASSY
– 54 –
5-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
57
58
59
62
63
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) (C480)
* 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-3374-879-1 FRONT PANEL ASSY (C580)
66
X-3374-882-1 FRONT PANEL ASSY (C480)
LCD801 1-803-028-31 DISPLAY PANEL, LIQUID CRYSTAL
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