Sony CDX-DAB500A / CDX-DAB500U Service Manual ▷ View online
CDX-DAB500A/DAB500U
37
Pin No.
Pin Name
I/O
Description
62
SWCLK
-
Not used
63
TRACECLK
-
Not used
64 to 67
TRACEDATA0 to
TRACEDATA3
-
Not used
68
CP_SDA
I/O
Two-way serial data with the EEPROM
69
CP_SCL
O
Serial data transfer clock signal output to the EEPROM
70
NC
O
Not used
71
CP_RESET
O
Not used
72
CPON
O
Power supply on/off control signal output terminal for EEPROM
73
CDON_15V
O
Power supply on/off control signal output terminal for +1.5V power supply of CD servo
74
VBUS_ON
O
VBUS power supply on/off control signal output to the system controller “H”: power on
75
NC
O
Not used
76
REGVCC3
-
Power supply terminal (+3.3V)
77
XT1
I
Not used
78
XT2
O
Not used
79
CVCC3
-
Power supply terminal (+3.3V)
80
X1
I
System clock input terminal (12 MHz)
81
CVSS
-
Ground terminal
82
X2
O
System clock output terminal (12 MHz)
83
DVCC3
-
Power supply terminal (+3.3V)
84
DVSS
-
Ground terminal
85
USB+
I/O
Two-way USB data (positive) with the USB connector
86
USB–
I/O
Two-way USB data (negative) with the USB connector
87
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this unit
88, 89
TEST
-
Not used
90, 91
NC
O
Not used
92
AVCC3
-
Power supply terminal (+3.3V)
93 to 100
NC
I
Not used
CDX-DAB500A/DAB500U
38
MAIN BOARD IC701 TC94A99FG-003 (SY, H (CD HEAD AMP, DIGITAL SERVO PROCESSOR, AUDIO DSP)
Pin No.
Pin Name
I/O
Description
1
LPFO
O
Signal output from the operation amplifi er for PLL loop fi lter
2
PVREF
I
Reference voltage (+1.65V) input terminal
3
VCOF
O
Terminal for VCO fi lter
4
RVSS3
-
Ground terminal
5
VCOI
I
DSP VCO control voltage input terminal
6
RVDD3
-
Power supply terminal (+3.3V)
7
SLCO
O
EFM slice level output terminal
8
RFI
I
RF signal input terminal
9
RFRPI
I
RF ripple signal input terminal
10
RFEQO
O
EFM slice level output terminal
11
DCOFC
O
Not used
12
AGCI
I
RF signal amplitude adjustment amplifi cation input terminal
13
RFO
O
RF signal generation amplifi cation output terminal
14
RVSS3
-
Ground terminal
15
FNI2
I
Main beam input from the CD mechanism deck block (Connect with pin diode B)
16
FNI1
I
Main beam input from the CD mechanism deck block (Connect with pin diode C)
17
FPI2
I
Main beam input from the CD mechanism deck block (Connect with pin diode C)
18
FPI1
I
Main beam input from the CD mechanism deck block (Connect with pin diode A)
19
VDD1-1
-
Power supply terminal (+1.5V)
20
TPI
I
Sub beam amplifi cation input from the CD mechanism deck block (Connect with pin diode F)
21
TNI
I
Sub beam amplifi cation input from the CD mechanism deck block (Connect with pin diode E)
22
VRO
O
Reference voltage (+1.65V) output terminal
23
AVSS3
-
Ground terminal
24
MDI
I
Monitor photo diode amplifi cation input from the CD mechanism deck block
25
LDO
O
Laser diode amplifi cation output to the CD mechanism deck block
26
FSMONIT
-
Not used
27
RFZI
I
RF ripple zero crossing signal input terminal
28
RFRP
O
RF ripple signal output terminal
29
TEI
I
Tracking error signal input terminal
30
AVDD3
-
Power supply terminal (+3.3V)
31
FOO
O
Focus servo equalizer signal output to the CD mechanism deck block
32
TRO
O
Tracking servo equalizer signal output to the CD mechanism deck block
33
VSS-1
-
Ground terminal
34
FMO
O
Feeding servo equalizer signal output to the CD mechanism deck block
35
DMO
O
Disc servo equalizer signal output to the CD mechanism deck block
36
VDDM1
-
Power supply terminal (+1.5V)
37
/SRAMSTB
I
SRAM standby mode control signal input from the CD drive/USB controller
“L”: standby mode
“L”: standby mode
38
VDD1-2
-
Power supply terminal (+1.5V)
39
VDD3-1
-
Power supply terminal (+3.3V)
40 to 50
PIO10 to PIO20
-
Not used
51
DVDD12
-
Power supply terminal (+3.3V)
52
DAO1 (R_R-CH)
O
Rear R-ch audio signal output to the electrical volume
53
DVSS12
-
Ground terminal
54
DAO2 (F_R-CH)
O
Front R-ch audio signal output to the electrical volume
55
DVREF
I
Reference voltage input terminal
56
DVDD34
-
Power supply terminal (+3.3V)
57
DAO3 (F_L-CH)
O
Front L-ch audio signal output to the electrical volume
58
DVSS34
-
Ground terminal
59
DAO4 (R_L-CH)
O
Rear L-ch audio signal output to the electrical volume
60
DVDD5
-
Power supply terminal (+3.3V)
61
DAO5 (SUB-CH)
O
Subwoofer audio signal output to the electrical volume
62
DVSS5
-
Ground terminal
63
VDD1-3
-
Power supply terminal (+1.5V)
64
VSS-2
-
Ground terminal
65
XVSS3
-
Ground terminal
66
XI
I
System clock input terminal (16.934 MHz)
67
XO
O
System clock output terminal (16.934 MHz)
CDX-DAB500A/DAB500U
39
Pin No.
Pin Name
I/O
Description
68
XVDD3
-
Power supply terminal (+3.3V)
69
ADVDD3
-
Power supply terminal (+3.3V)
70
ADIN1 (IN_L-CH)
I
L-ch audio signal input from the electrical volume
71
ADVREFL
O
Reference voltage output terminal
72
ADVCM
O
Reference voltage output terminal
73
ADVREFH
O
Reference voltage output terminal
74
ADIN2 (IN_R-CH)
I
R-ch audio signal input from the electrical volume
75
ADVSS3
-
Ground terminal
76
MS
I
I/F mode selection signal input terminal Fixed at “L” in this unit
77, 78
CD_BUS0,
CD_BUS1
I/O
Two-way serial data bus terminal Not used
79
So
O
Serial data output to the CD drive/USB controller
80
Si
I
Serial data input from the CD drive/USB controller
81
SCL
I
Serial data transfer clock signal input from the CD drive/USB controller
82
/CCE
I
Chip enable signal input from the CD drive/USB controller
83
VDD3-2
-
Power supply terminal (+3.3V)
84
VSS-3
-
Ground terminal
85
/RST
I
Reset signal input from the system controller “L”: reset
86
VDD1-4
-
Power supply terminal (+1.5V)
87
DEC_REQ
O
Interrupt signal output to the CD drive/USB controller
88
BSIF_REQ
O
Request signal output to the CD drive/USB controller
89
BSIF_GATE
I
Gate signal input from the CD drive/USB controller
90
BSIF_DATA
I
Digital audio data input from the CD drive/USB controller
91
BSIF_BCK
I
Bit clock signal input from the CD drive/USB controller
92
BSIF_LRCK
I
L/R sampling clock signal input from the CD drive/USB controller
93
DEC_XMUTE
I
Muting on/off control signal input from the CD drive/USB controller “L”: muting on
94
ZDET
O
Zero detection signal output to the CD drive/USB controller
95
SP_DATA
O
Spectrum analyzer data output to the system controller
96
SP_CLK
I
Spectrum analyzer data transfer clock signal input from the system controller
97
TEST
I
Setting terminal for test mode Normally fi xed at “L”
98
PDO
O
Phase error margin signal between EFM signal and PLCK signal output terminal
99
TMAX
O
TMAX detection result output terminal
100
LPFN
I
Inverted signal input from the operation amplifi er for PLL loop fi lter
40
CDX-DAB500A/DAB500U
SECTION 5
EXPLODED VIEWS
1
X-2581-176-3 PANEL
ASSY,
SUB
2
3-042-244-11 SCREW
(T)
3
A-1889-934-A MAIN BOARD, COMPLETE
4
X-2547-583-4 LOCK
ASSY
(T)
5
4-410-504-01 SCREW (+PTT 2.6X6), GROUND POINT
6
2-021-848-01 SHEET (TU), GROUND
FU1
1-523-227-11 MINI FUSE (BLADE TYPE) (10A/32V)
PW1
1-846-032-11 CONNECTION CABLE (ISO) (POWER)
TU001
A-1890-002-A TUX-DAB02 (TUNER UNIT)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-01 SCREW +PTT 2.6X8 (S)
#4
7-685-794-01 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet’s Color
5-1. MAIN SECTION
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
front panel section
#1
B
A
#3
#3
2
4
1
3
2
TU001
not supplied
not supplied
not supplied
not supplied
not supplied
MAIN board
#2
#2
#4
CD mechanism deck section
(MG-101CA-188)
(MG-101CA-188)
#4
#4 #5
A
C
#1
#1
#1
B
C
D
E
D
F
E
F
5
6
5
5
PW1
FU1
#3
#5
not supplied
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