Sony HCD-GNZ7D, Руководство по обслуживанию

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HCD-GNZ7D/GNZ8D/GNZ9D
DMB10 BOARD IC102 CXD9804R
(CD/DVD RF AMP, FOCUS/TRACKING ERR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name I/O Description
1 AGND — Terminal Ground
2 DVDA I AC coupled input path A
3 DVDB I AC coupled input path B
4 DVDC I AC coupled input path C
5 DVDD I AC coupled input path D
6 DVDRFIP I AC coupled DVD RF signal input RFIP
7 DVDRFIN I AC coupled DVD RF signal input RFIN (not used)
8 NA I DC coupled main-beam RF signal input A
9 NB I DC coupled main-beam RF signal input B
10 MC I DC coupled main-beam RF signal input C
11 MD I DC coupled main-beam RF signal input D
12 SA I DC coupled sub-beam RF signal input A (not used)
13 SB I DC coupled sub-beam RF signal input B (not used)
14 SC I DC coupled sub-beam RF signal input C (not used)
15 SD I DC coupled sub-beam RF signal input D (not used)
16 CDFON I CD focusing error negative input (not used)
17 CDFOP I CD focusing error positive input (not used)
18 TNI I 3 beam satellite PD signal negative input
19 TPI I 3 beam satellite PD signal positive input
20 MDI1 I Laser power PD monitor input
21 MDI2 I Laser power PD monitor input
22 LDO2 O Laser drive output
23 LDO1 O Laser drive output
24 SVDD3 — Power Supply (+3.3V)
25 CSO O Central servo, Positive main beam summing output (not used)
26 RFLVL O RFRP low pass, or Positive main beam summing output (not used)
27 SGND — Terminal Ground
28 V2REFO O Reference voltage 2.8V
29 V2O O Reference voltage 2.0V
30 VREFO O Reference voltage 1.4V
31 FEO O Focus error monitor output (not used)
32 TEO O Tracking error monitor output (not used)
33 TEZISLY O TE Slicing Level (not used)
34 OPOUT O Op amp output (not used)
35 OPIN I Op amp negative input (not used)
36 OPIN I Op amp positive input (not used)
37 DMO O Disk motor control output. PWM output
38 FMO O Feed motor control. PWM output
39 TROPENPWM O Tray PWM output/Tray open output.
40 IOPMON O General PWM output
41 TRO O Tracking servo output
42 FOO O Focus servo output
43 USBVSS — Terminal Ground
44 USBP I USB port DPLUS analog pin (not used)
45 USBM I USB port DMINUS analog pin (not used)
46 USBVDD3 — Power Supply (+3.3V)
47 SPFGG I Motor Hall sensor input
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