Sony CDX-GS500R Service Manual ▷ View online
CDX-GS500R
37
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 terminal (Connect with pin diode B)
16
FNI1
I
Main beam input terminal (Connect with pin diode C)
17
FPI2
I
Main beam input terminal (Connect with pin diode C)
18
FPI1
I
Main beam input terminal (Connect with pin diode A)
19
VDD1-1
-
Power supply terminal (+1.5V)
20
TPI
I
Sub beam amplifi cation input terminal (Connect with pin diode F)
21
TNI
I
Sub beam amplifi cation input terminal (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 terminal
25
LDO
O
Laser diode amplifi cation output terminal
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 terminal
32
TRO
O
Tracking servo equalizer signal output terminal
33
VSS-1
-
Ground terminal
34
FMO
O
Feeding servo equalizer signal output terminal
35
DMO
O
Disc servo equalizer signal output terminal
36
VDDM1
-
Power supply terminal (+1.5V)
37
/SRAMSTB
I
Strobe signal input from the main system controller “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
R_R channel data output terminal
53
DVSS12
-
Ground terminal
54
DAO2 (F_R-CH)
O
F_R channel data output terminal
55
DVREF
-
Reference voltage input terminal
56
DVDD34
-
Power supply terminal (+3.3V)
57
DAO3 (F_L-CH)
O
F_L channel data output terminal
58
DVSS34
-
Ground terminal
59
DAO4 (R_L-CH)
O
R_L channel data output terminal
60
DVDD5
-
Power supply terminal (+3.3V)
61
DAO5 (SUB-CH)
O
SUB channel data output terminal
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)
68
XVDD3
-
Power supply terminal (+3.3V)
CDX-GS500R
38
Pin No.
Pin Name
I/O
Description
69
ADVDD3
-
Power supply terminal (+3.3V)
70
ADIN1 (IN_L-CH)
I
Audio signal input terminal (L channel)
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
Audio signal input terminal (R channel)
75
ADVSS3
-
Ground terminal
76
MS
I
I/F mode selection signal input terminal Fixed at “L” in this unit
77 to 80
CD_BUS0 to
CD_BUS3
I
Serial data input from the sub system controller
81
CD_BUCK
I
Serial data transfer clock signal input from the sub system controller
82
CD_XCCE
I
Chip enable signal input from the sub system controller
83
VDD3-2
-
Power supply terminal (+3.3V)
84
VSS-3
-
Ground terminal
85
/RST
I
Reset signal input from the main system controller
86
VDD1-4
-
Power supply terminal (+1.5V)
87
DEC_INT
O
Request signal output to the sub system controller
88
BSIF_INT
O
Request signal output to the sub system controller
89
BSIF_GATE
I
Gate signal input from the sub system controller
90
BSIF_DATA
I
Audio data input from the sub system controller
91
BSIF_BCK
I
Bit clock signal input from the sub system controller
92
BSIF_LRCK
I
L/R sampling clock signal (44.1 kHz) input terminal for audio data input
93
DEC_XMUTE
I
Muting on/off control signal input from the sub system controller
94
ZDET
O
Zero detection signal output terminal
95
SP_DATA
O
Spectrum analyzer data output to the sub system controller
96
SP_CLK
I
Spectrum analyzer data transfer clock signal input from the sub 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
39
CDX-GS500R
SECTION 5
EXPLODED VIEWS
1
X-2581-176-3 PANEL
ASSY,
SUB
2
3-042-244-11 SCREW
(T)
3
A-1884-665-A MAIN BOARD, COMPLETE (US, CND)
3
A-1884-666-A MAIN BOARD, COMPLETE (AEP, UK)
4
X-2547-583-4 LOCK
ASSY
(T)
5
4-410-504-01 SCREW (+PTT 2.6X6), GROUND POINT
CN01
A-1878-198-A TUX-DSP02 (TUNER UNIT)
CNC1
1-846-247-11 CONNECTION CABLE (AUTOMOBILE) ( )
FU1
1-523-227-11 MINI FUSE (BLADE TYPE) (10 A/32 V)
PW1
1-846-033-11 CONNECTION CABLE (ISO) (POWER) (AEP, UK)
PW1
1-846-037-11 CONNECTION CABLE, AUTOMOBILE (POWER)
(US, CND)
#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
• Abbreviation
CND : Canadian model
CND : Canadian model
5-1. MAIN SECTION
Note: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
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.
Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
front panel section
#1
PW1
B
CNC1
A
G
G
FU1
#3
#3
#3
5
5
2
4
1
2
5
3
CN01
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
MAIN board
#5
#2
#2
#4
CD mechanism deck section
(MG-101CA-188)
(MG-101CA-188)
#4 #4
#4
#5
A
C
#1
#1
#1
B
C
D
E
D
F
E
F
(US, CND)
Ver. 1.1
40
CDX-GS500R
5-2. FRONT PANEL SECTION
51
X-2584-843-1 PANEL (SV) ASSY, FRONT (US, CND)
52
X-2581-844-2 KNOB (VOL) (SV) ASSY
53
4-421-887-01 BUTTON
(RELEASE)
54
4-447-770-01 SPRING
(RELEASE)
55
4-278-080-11 ILLUMINATOR
(LCD)
56
4-290-177-01 SCREW (+B P-TITE M2)
57
4-421-879-01 PANEL,
BACK
58
X-2187-544-5 CASE ASSY (AEP, UK)
CCB1
1-780-968-11 CONDUCTIVE BOARD, CONNECTION
FP1
A-1885-085-A PANEL OVERALL ASSY, FRONT (US, CND)
FP1
A-1885-086-A PANEL OVERALL ASSY, FRONT (AEP, UK)
IC902
6-600-806-01 IC PNJ4813M01S0 ( )
J901
1-842-936-12 JACK (SMALL TYPE) (DIA. 3.5) (AUX)
LCD901 1-811-435-12 DISPLAY PANEL, LIQUID CRYSTAL
RE901 1-487-023-22 ROTARY
RE901 1-487-023-22 ROTARY
ENCODER
(PUSH ENTER/MENU/ APP (VOLUME))
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT
OF THE AUX JACK (J901)” on page 5, if replacing J901.
FP1
not supplied
not supplied
not supplied
not supplied
not supplied
(KEY board)
(KEY board)
55
J901
G
G
G
(US, CND)
(
AEP, UK
)
not supplied
(for FRONT PANEL)
(for FRONT PANEL)
RE901
51
52
54
53
52
54
53
LCD901
IC902
57
56
56
CCB1
58
(
US, CND
)
(AEP, UK)
Ver. 1.1
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