Sony LBT-A790 Service Manual page 89

4-7. IC PIN FUNCTIONS
* 1C101 Digital Servo & DSP (CXD2515Q)
Pin No. Pin Name vo Function
1 SRON 0 _| Sled drive output (Not used)
2 SRDR 0 _| Sled drive output
3 SFON © _| Sled drive output (Not used)
4 TFDR 0 _| Tracking drive output
5 TRON ©. | Tracking drive output (Not used)
6 TRDR © | Tracking drive output
7 TRON © | Tracking drive output (Not used)
8 FEDR 0 | Focus drive output
9 FRON © _| Focus drive output (Not used)
10 | FRDR 0 | Focus drive output
| FFON © | Focus drive output (Not used)
12 | vcoo © | VCO output for analog EFM PLL (Not used)
13 | VCO 1 | VCO output for analog EFM PLL
14 | TEST 1 | TEST pin connected normally to GND
15 | DVss =| Digital GND
16 | TES2 1 | TEST pin connected normally to GND
17 | TES3 1 | TEST pin connected normally to GND
18 | PDO © | Charge-pump output for analog EFM PLL (Not used)
19 | vPCO © | Charge-pump output for variable pitch PLL (Not used)
20 | VCKI 1 | Clock input from variable pitch extemal VCO
21 | AvD2 — | Analog power supply
22 '| IGEN 1 _| Power supply pin for operational amplifiers
23 '| Avs2 — | Analog GND —
24 | ADI 1 | Input pin for A/D converter
25 | ADIO © | Operational amplifier output pin
26 | RFDC 1 | RPsignal input
27 | TE 1 | Tracking error signal input
28 | SE 1 | Sled error signal input
29 «| FE 1 | Focus error signal input
30 | vc 1 | Center voltage input pin
31 | FILO © _| Filter output for master PLL
32 | FILL 1 _| Filter input for master PLL
33 | PCO © | Charge-pump output for master PLL
34 | CLTV 1 | Control voltage input for master VCO
35' AVSI = | Analog GND
36 | RFAC 1 | EFM signal input
37 BIAS 1 Asymmetry circuit constant current input
38 ASYI 1 | Asymmetry comparate voltage input
39 | ASYO © _| EFM full swing output
40 | AVDI — | Analog power supply
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