Sony HCD-RG490 Service Manual page 69

BD BOARD IC101 CXD3059AR (CD DSP)
Pin No. Pin Name
1
MIRR
2 DFCT
3
FOK
4
VSS
5
LOCK
6 MDP
7
SSTP
8
IOVSS0
9
SFDR
10 SRDR
11
TFDR
12
TRDR
13
FFDR
14 FRDR
15
IOVDD1
16
AVDD0
17
AVSS0
18 NC
19
E
20
F
21 TEI
22 TEO
23 FEI
24 FEO
25
VC
26 A
27
B
28
C
29
D
30 NC
31
AVDD4
32
RFDCO
33
PDSENS
34 AC_SUM
35
EQ_IN
36
LD
37 PD
38 NC
39
RFC
40
AVSS4
41
RFACO
42 RFACI
43
AVDD3
44 BIAS
45 ASYI
I/O
O
Mirror signal output terminal Not used
O Defect signal output terminal Not used
O
Focus OK signal output terminal Not used
- Ground terminal
O
GFS is sampled by 460 Hz "H" output when GFS is "H" Not used
O Spindle motor servo control signal output terminal
I Disc inner position detection signal input terminal
- Ground terminal
O Sled servo drive signal (+) output terminal
O Sled servo drive signal (-) output terminal
O Tracking servo drive signal (+) output terminal
O Tracking servo drive signal (-) output terminal
O Focus servo drive signal (+) output terminal
O Focus servo drive signal (-) output terminal
- Power supply terminal (+3.3V)
- Power supply terminal (+3.3V)
- Ground terminal
- Not used
I E signal input from the optical pick-up block
I F signal input from the optical pick-up block
I
Tracking error signal input terminal
O Tracking error signal output terminal
I
Focus error signal input terminal
O
Focus error signal output terminal
O Middle point voltage output terminal
I A signal input from the optical pick-up block
I B signal input from the optical pick-up block
I C signal input from the optical pick-up block
I D signal input from the optical pick-up block
- Not used
- Power supply terminal (+3.3V)
O RFDC signal output terminal Not used
I Reference voltage input terminal for PD
O RFAC summing amplifier signal output terminal
I RF equalizer circuit input terminal
Laser diode on/off control signal output to the automatic power control circuit
O
"H": laser diode on
I
Light amount monitor input from the laser diode of optical pick-up block
- Not used
I
Equalizer cut off frequency adjustment terminal
- Ground terminal
O EFM signal output terminal
I EFM signal input terminal
- Power supply terminal (+3.3V)
I
Asymmetry circuit constant current input terminal
I
Playback EFM asymmetry comparator voltage input terminal
HCD-RG490/RG590
Description
69