Sony SCD-XE800, Руководство по обслуживанию

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SCD-XE800
32
MAIN BOARD IC1101 CXD9927R-B (RF AMP, SERVO DSP)
Pin No. Pin Name I/O Description
1 OSN O RF offset cancellation capacitor connecting terminal
2 RFGC O RF AGC loop capacitor connecting Not used
3 IREF I Reference current input terminal
4 AVDD3 - Power supply terminal (+3.3V)
5 AGND - Ground terminal
6 DVDA I AC coupled input path A
7 DVDB I AC coupled input path B
8 DVDC I AC coupled input path C
9 DVDD I AC coupled input path D
10 DVDRF IP I AC coupled super audio CD RF signal input from the optical pick-up block
11 MA I DC coupled main-beam RF signal input A
12 MB I DC coupled main-beam RF signal input B
13 MC I DC coupled main-beam RF signal input C
14 MD I DC coupled main-beam RF signal input D
15 SA I DC coupled sub-beam RF signal input A Not used
16 SB I DC coupled sub-beam RF signal input B Not used
17 TNI I 3 beam satellite PD signal negative input from the optical pick-up block
18 TPI I 3 beam satellite PD signal positive input from the optical pick-up block
19, 20 MDI1, MDI2 I Laser power monitor input from the optical pick-up block
21 LDO2 O Laser diode drive signal output to the optical pick-up block (for super audio CD)
22 LDO1 O Laser diode drive signal output to the optical pick-up block (for CD)
23 SVDD3 - Power supply terminal (+3.3V)
24 CSO O Central servo signal output terminal Not used
25 RFLVL O RFRP low pass output terminal Not used
26 SGND - Ground terminal
27 V2REFO - Reference voltage (+2.8V) output terminal
28 V2O - Reference voltage (+2V) output to the optical pick-up block
29 VREFO O Reference voltage (+1.4V) output terminal
30 FEO O Focus error monitor output terminal Not used
31 TEO O Tracking error monitor output terminal Not used
32 TEZISLV O O Slice level of tracking error signal output terminal Not used
33 OP_OUT O Output to the internal operational amplifi er Not used
34 OP_INN I Negative input from the internal operational amplifi er Not used
35 OP_INP I Positive input from the motor driver
36 DMO O Spindle motor control signal output to the motor driver
37 FMO O Sled motor control signal output to the motor driver
38 TROPENPWM O Loading motor control signal output terminal Not used
39 IOPMON I Power monitor terminal
40 TRO O Tracking coil control signal output to the coil driver
41 FOO O Focus coil control signal output to the coil driver
42 AGND18 - Ground terminal
43 AVDD18 - Power supply terminal (+1.8V)
44 USB_DP I/O Two-way data (positive) bus terminal Not used
45 USB_DM I/O Two-way data (negative) bus terminal Not used
46 USB_VDD3 - Power supply terminal (+3.3V)
47 USB_VSS - Ground terminal
48 PAD_VRT - Not used
49 USB_VDD18 - Power supply terminal (+1.8V)
50 USB_VSS - Ground terminal
51 DIR_ERROR/NC I PLL lock error signal and data error fl ag output terminal Fixed at “L” in this set
52 DIR_AUDIO/NC I PCM audio data output terminal Fixed at “L” in this set
53 LIMITSW I Limit detection switch input terminal
54 MSW O CD/super audio CD selection signal output terminal “L”: CD, “H”: super audio CD
55 DVDD18 - Power supply terminal (+1.8V)
56 to 64
HA2 to HA8, HA18,
HA19
O Address signal output to the fl ash ROM
65 DVDD3 - Power supply terminal (+3.3V)
66 XWR O Write enable signal output to the fl ash ROM
67 to 75 HA16 to HA9, HA20 O Address signal output to the fl ash ROM