Sony HCD-BC150 - Dvd Home Theater System, Service Manual

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HCD-BC150/BC250
• IC Pin Function Description
• DMB09 BOARD IC102 CXD9780R (CD/DVD/RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No. Pin Name I/O Description
1 WOBS0 O Wobble signal output (Not used)
2 WVDD — Wobble power
3 AGNDX — Grund
4 AGNDX — Grund
5 AVDD0 — Power for RF output
6 RFOP O RF positive output
7 RFON O RF negative output
8 AGNDO — Grund for RF output
9 TM1 I Trimming pin for ALPC1 (Not used)
10 TM2 I Trimming pin for ALPC1 (Not used)
11 TM3 I Trimming pin for ALPC2 (Not used)
12 AGNDT — Grund for Trimming PAD
13 TM4 I Trimming pin for ALPC2 (Not used)
14 AVDDT — Power for Trimming PAD
15 V2REFO O Reference voltage 2.8V
16 VREFO O Reference voltage 1.4V
17 V20 O Reference voltage 2.0V
18 FEO O Focusing erro output
19 LVL O RF level output
20 CS0 O Center servo signal output
21 TEO O Tracking error output
22 VDDP — Power for PAD
23 DEFECT O Flag of bad data output status
24 LRFRP O Low frequency RF ripple output
25 HRFRP O High frequency RF ripple output
26 CRTP — RF top envelop filter capacitor connecting
27 CRTPLP — Defect level filter capacitor connecting (Not used)
28 TRLPA — Low -pass filter capacitor connecting (Not used)
29 TRLP — Low -pass filter capacitor connecting
30 HTRC O high speed track counting digital output
31 GNDP — Grund for PAD
32 DPFN — Not used
33 DPFO — DPD amplifier output (Not used)
34 AGNDX — Ground
35 AGNDX — Ground (Not used)
36 AGNDX — Ground (Not used)
37 VDD — Serial I/O power
38 VFO013 I DVD-RAM Header signal
39 GND — Serial I/O grund
40 UDGATE I Control signal for DVD-RAM
41 HDGATE I Control signal for DVD-RAM
42 IO0 I/O General purpose input/output
43 IO1 I/O General purpose input/output (Not used)
44 IO2 I/O General purpose input/output
45 IO3 I/O General purpose input/output
46 IO4 I/O General purpose input/output
47 IO5 I/O General purpose input/output