Read Sony CDX-GT575UE / CDX-GT575UI / CDX-GT575UP / CDX-GT625UI / CDX-GT627UV Service Manual online
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
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 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)
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