Sony HCD-ZX6 - Cd/receiver Component For Compact Hi-fi Stereo System, Руководство по обслуживанию

Страница: 57 / 96

57
HCD-ZX6/ZX8
7-31. IC PIN DESCRIPTIONS
• IC101 CXD3059AR (RF AMP) (BD81A BOARD)
Pin No. Pin Name I/O Pin Description
1 MIRR I/O Mirror signal input/output Not used in this set. (Open)
2 DFCT I/O Defect signal input/output Not used in this set. (Open)
3 FOK I/O Focus OK signal input/output Not used in this set. (Open)
4 VSS — Internal digital ground pin
5 LOCK I/O
GFS is sampled at 460Hz; when GFS is high , this pin outputs a high signal
If GFS is low eight consecutive Not used in this set. (Open)
6 MDP O Spindle motor servo control signal output
7 SSTP I Disc innermost detection signal input
8 IOVSS1 — I/O digital ground pin
9 SFDR O Sled drive signal output
10 SRDR O Sled drive signal output
11 TFDR O Tracking drive signal output
12 TRDR O Tracking drive signal output
13 FFDR O Focus drive signal output
14 FRDR O Focus drive signal output
15 IOVDD1 — I/O digital power supply pin (+3.3 V)
16 AVDD0 — Analog power supply pin (+3.3 V)
17 AVSS0 — Analog ground pin
18 NC — Not used. (Open)
19 E I E signal input
20 F I F signal input
21 TEI I Tracking error signal input
22 TEO O Tracking error signal output
23 FEI I Focus error signal input
24 FEO O Focus error signal output
25 VC O Center voltage output
26 A I A signal input
27 B I B signal input
28 C I C signal input
29 D I D signal input
30 NC — Not used. (Open)
31 AVDD4 — Analog power supply pin (+3.3 V)
32 RFDCO O RFDC signal output Not used in this set. (Open)
33 PDSENS I Reference voltage pin for PD Connect to ground in this set.
34 AC_SUM O RFAC summing amplifier signal output
35 EQ_IN I Equalizer circuit signal input
36 LD O APC amplifier signal output
37 PD I APC amplifier signal input
38 NC — Not used. (Open)
39 RFC I Equalizer cut-off frequency adjustment pin
40 AVSS4 — Analog ground pin
41 RFACO O RFAC signal output
42 RFACI I RFAC signal input or EFM signal input
43 AVDD3 — Analog power supply pin (+3.3 V)
44 BIAS I Asymmetry circuit constant current signal input
45 ASYI I Asymmetry comparator voltage signal input
46 ASYO O EFM full-swing signal output (Low=VSS, High=VDD)
47 VPCO O Wide-band EFM PLL charge pump signal output Not used in this set. (Open)
48 VCTL I Wide-band EFM PLL VCO2 control voltage signal input
49 AVSS3 — Analog ground pin
50 CLTV I Multiplier VCO1 control voltage signal input