Sony HCD-GZR5D Service Manual page 74

HCD-GZR5D
DMB18 BOARD IC102 CXD9915R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name
1 OSN
2 RFGC
3 IREF
4 AVDD3
5 AGND
6 DVDA
7 DVDB
8 DVDC
9 DVDD
10 DVDRFIP
11 MA
12 MB
13 MC
14 MD
15 SA
16 SB
17 TNI
18 TPI
19 MDI1
20 MDI2
21 LDO2
22 LDO1
23 SVDD3
24 CSO
25 RFLVL
26 SGND
27 V2REFO
28 V20
29 VREFO
30 FEO
31 TEO
32 TEZISLV
33 OP_OUT
34 OP_INN
35 OP_INP
36 DMO
37 FMO
38 TROPENPWM
39 IOPMON
40 TRO
41 FOO
42 AGND18
43 AVDD18
44 USB_DP
45 USBDM
46 USB_VDD3
47 USB_VSS
48 PAD_VRT
49 USB_VDD18
50 USB_VSS
51 DIR_ERROR
52 DIR_AUDIO
53 LIMITSW
54 MSW
74
I/O
— RF offset cancellation capacitor connecting terminal
O RF AGC loop capacitor connecting terminal
I Current reference setting terminal
— Power supply (VDD3.3 V)
— Ground
I AC coupled input path A
I AC coupled input path B
I AC coupled input path C
I AC coupled input path D
I DC coupled DVD RF signal input RFIP
I DC coupled main-beam RF signal input A
I DC coupled main-beam RF signal input B
I DC coupled main-beam RF signal input C
I DC coupled main-beam RF signal input D
I Not used (Open) DC coupled sub-beam RF signal input A
I Not used (Open) DC coupled sub-beam RF signal input B
I 3 beam satellte PD signal negative input
I 3 beam satellte PD signal positive input
I Laser power monitor input
I Laser power monitor input
O Laser diode (DVD) drive signal output
O Laser diode (CD) drive signal output
— Power supply (RF+3.3 V)
O Not used (Open) Central servo signal output
O RFRP low pass output
— Ground
O Reference voltage (2.8 V) output
O Reference voltage (2.0 V) output
O Reference voltage (1.4 V) output
O Focus error monitor output
O Tracking error monitor output
O TE Slicing Level input
O Op amp output
I Op amp negative input
I Spindle feedback signal input
O Disc motor control PWM output
O Feed motor control PWM output
O Tray PWM output/Tray open output
I Iop Monitor input
O Tracking servo control signal output
O Focus servo control signal output
— Ground
— Power supply (+1.8 V)
I/O USB port serial data input/output
I/O USB port serial data input/output
— USB power supply (+3.3 V)
— USB ground
I/O USB generating reference current signal input/output
— Power supply (+1.8 V)
I Ground
I DIR PLL error signal input
I DIR audio signal input
I LIMIT SW signal input
O DVD/CD PD –VR select signal output
Description
"H": error
"H": Non PCM, "L": PCM