Sony HCD-DX375 - Page 73

73
HCD-DX375
DMB12 BOARD IC101 CXD9804R
(CD/DVD RF AMP, FOCUS/TRACKING ERR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name I/O Description
1AGND — Ground terminal
2DVDA I AC coupled input path A
3DVDB I AC coupled input path B
4DVDC I AC coupled input path C
5DVDD I AC coupled input path D
6DVDRFIP I AC coupled DVD RF signal input RFIP
7DVDRFIN I AC coupled DVD RF signal input RFIN (not used)
8MAIDC coupled main-beam RF signal input A
9MBIDC 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 SDFON I CD focusing error negative input (not used)
17 SDFOP 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 monitor input
21 MDI2 I Laser power monitor input
22 LDO2 O Laser driver output
23 LDO1 O Laser driver output
24 SVDD3 — Power supply (RF+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 — Ground terminal
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 TEZISLV O TE slicing level (not used)
34 OPOUT O Op amp output (not used)
35 OP_INN I Op amp negative input (not used)
36 OP_INP 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 I Power monitor signal input
41 TRO O Tracking servo output
42 FOO O Focus servo output
43 USB_VSS — Ground terminal
44 USBP — USB port DPLUS analog pin (not used)
45 USBM — USB port DMINUS analog pin (not used)
46 USB_VDD3 — Power supply (SW+3.3V)
47 SPFG I Motor hall sensor input