Sony HCD-VX555 / HCD-VX555J / MHC-VX555 / MHC-VX555J Service Manual ▷ View online
57
HCD-VX555/VX555J
Pin No.
52
53
54
55
56
57 to 59
60, 61
62
63
64
65
66
67 to 72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90 to 92
93
94
95
96
97
98
99
100
I/O
—
I
I
—
—
—
—
—
—
—
O
O
O
O
I
I
I
O
—
—
—
—
O
O
I
I
O
O
O
—
—
—
—
O
—
O
I
—
—
Description
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Power supply terminal (+5V)
Not used (open)
Ground terminal
Video muting on/off control signal output
Audio DAC reset signal output (H:Active)
Not used (open)
LED drive signal output for MPEG1 decoder test “H” (LED on)
Not used
Not used
Terminal for Test Mode 3 VCD check
System reset signal output “L”:reset
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Laser power selection signal output to the CXA2581N (IC103) “H”: laser on
Sub-code Q data reading clock signal output to the CXD3068Q (IC101)
Sub-code Q data input from the CXD3068Q (IC101)
HRDY serial signal input from the CL680 (IC505)
Reset signal output to the CL680 (IC505) “L”: reset
HSEL serial signal output to the CL680 (IC505)
Serial data latch pulse output to the D/A converter (IC509) “L” active
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Serial data output to the CXD3068Q (IC101)
Ground terminal (for A/D conversion)
Serial data latch pulse output to the CXD3068Q (IC101)
Reference voltage (+5V) input terminal (for A/D conversion)
Power supply terminal (+5V) (for A/D conversion)
Not used (open)
Pin Name
OUTSW
MODEL1
MODEL2
TBLL
TBLR
ENC1 to ENC3
VCC
VSS
V.MUTE
DAC RESET
A5 to A0
TEST LED
TEST1
TEST2
TEST3
DEVICE RESET
STANDBY
FL CS
FLBLK
LPH
LD ON
SUBQ CLK
SUBQ DATA
CL680 HRDY
680 RESET
CL680 HSEL
DF LATCH
MIC CTRL
KEY1 to KEY3
NT/PAL
MUSIC VOL
DSP DATA
AVSS
DSP LATCH
VREF
AVCC
AMP ON
58
HCD-VX555/VX555J
6-29. IC BLOCK DIAGRAMS
IC11
LA1845 (MAIN BOARD)
IC51
LC72131 (MAIN BOARD)
IC105 BU4052BCF-E2 (MAIN BOARD)
IC302
µPC1330HA (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
S-CURVE
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
AM
OSC
OSC
AM
MIX
MIX
AM
PF.AMP
PF.AMP
AGC
AM
IF
AM
DET
DET
BUFF
LEVEL
DET
FM
IF
FM
DET
REG
GND
DEOODER
ANTI-BIRDIE
P-DET
ø
PILOT
CANCEL
STEREO
SW
VCO
304kHz
FF
38k
FF
19k
π
2
FF
19k 0
PILOT
DET
V
CC
ALC
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2 3 4 5
6 7 8 9
16
15
14
13
12
11
10
17
18
19
20
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
59
HCD-VX555/VX555J
IC602 BA3830F-E2 (PANEL BOARD)
IC701 BA6956AN (DRIVER BOARD)
2
3
14
1
f04
13 f05
12 f06
11 REC
LEVEL
10 VCC
15 f03
5
REC
NF
6
REC
IN
7
RESET
C
8
BIAS
C
9
GND1
4
16 f02
17 f01
18 RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
SECTION 7
EXPLODED VIEWS
NOTE:
•
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
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 number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
•
Abbreviation
EA
EA
: Saudi Arabia model
IA
: Indonesian model
JE
: Tourist model
MY
: Malaysia model
SP
: Singapore model
TH
: Thai model
•
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts of Color Cabinet’s Color
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
60
HCD-VX555/VX555J
7-1. CABINET SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
CD mechanism deck
#2
#2
#3
#3
#3
#3
#3
#3
#4
#3
#3
#3
#3
#3
#3
#3
4
3
5
2
2
2
2
6
Front Panel section
MAIN board section
M961
1
11
8
10
12
9
not
supplied
not
supplied
not
supplied
1
4-225-252-01 CUSHION (FOOT)
2
3-363-099-41 SCREW (CASE 3 TP2)
3
4-225-038-21 SIDE PANEL (L)
4
4-231-563-31 LOADING PANEL (BLACK) (VX555)
4
4-231-563-71 LOADING PANEL (BLACK) (VX555J)
4
4-237-884-01 LOADING PANEL (SILVER) (VX555:TH)
5
4-225-039-72 SIDE PANEL (R) (EXCEPT VX555:IA)
5
4-225-039-82 SIDE PANEL (R) (VX555:IA)
6
4-224-550-01 CASE (TOP) (VX555:IA)
6
4-224-550-41 CASE (TOP) (EXCEPT VX555:IA)
8
4-232-028-01 BACK PANEL (EXCEPT VX555:TH)
8
4-232-028-31 BACK PANEL (VX555:TH)
9
1-675-911-14 SENSOR BOARD
10
1-680-892-11 SWITCH BOARD
11
X-4953-942-1 BACK PANEL ASSY (EXCEPT VX555:TH)
11
X-4953-945-1 BACK PANEL ASSY (VX555:TH)
12
A-4475-786-A SUB TRANS BOARD, COMPLETE
(EXCEPT VX555:TH/VX555J)
12
A-4476-603-A SUB TRANS BOARD, COMPLETE (VX555J)
12
A-4476-633-A SUB TRANS BOARD, COMPLETE (VX555:TH)
M961
1-763-072-11 FAN, D.C.
Ver 1.1 2001.09
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