Sony RCD-W500C Service Manual page 86

RCD-W500C
• IC101 AK8567 RF AMP (CDR Board)
Pin No. Pin Name
1 AVDD3
2 BCENT
3 PHBETA
4 BHBETA
5 PHBTC
6 BHBTC
7 MPP
8 TEIN
9 TE
10 FE
11 SBAD
12 TZCLVL
13 VREF
14 AGND1
15 BIAS
16 VSS
17 FVREF
18 FPDO
19 RREF
20 VRDC
21 VRDCN
22 VRDCN2
23 WREF
24 WDAO
25 AVDD2
26 AVSS2
27 VWDC
28 VWDCN2
29 VWDCN
30 ATFM
31 AGC1C
32 AGC2C
33 AGC3C
34 AGND2
35 VSS
36 SGAINDN
37 GAINUP
38 AGCON
39 ATFG
40 XTOR
41 XTAND
42 TZC
43 RECD2
44 RECD1
45 RC
46 DFCT
47 MIRR
48 MCLK1
49 MCLK2
50 DVSS
86
I/O
— Power supply (analog)
O Center signal output
β signal top level signal output
O
β signal bottom level signal output
O
O Extrenal capacitor teminal for PHBETA droop rate setting
O Extrenal capacitor teminal for BHBETA droop rate setting
O Main push-pull signal output Not used (open)
I Tracking signal processing input
O Tracking error signal output
O Focus error signal output
O SBAD signal output Not used (open)
I Tracking zero cross comparate level input
I/O Decoupling teminal for internal reference voltage / internal reference voltage input terminal
O Decoupling teminal for internal reference voltage
O Bias resistor connection terminal BIAS = 4.7kΩ
— Ground terminal (analog)
I APC reference voltage input terminal
I Laser monitor voltage input
I/O Power setting voltage input for read APC / internal DAC setting voltage output
O Read laser driver control signal output
I Read laser driver control amplifier (-) teminal
I Read laser driver time constant setting terminal
I/O Power setting voltage input for write APC / internal DAC setting voltage output
O Power setting internal DAC voltage output for write APC Not used (open)
— Power supply (analog)
— Ground terminal (analog)
O Write laser driver control signal output
I Write laser driver time constant setting terminal
I Write laser driver control amplifier (-) teminal
O Wobble signal output Not used (open)
O External capacitor terminal for AGC response speed setting
O External capacitor terminal for AGC response speed setting
O External capacitor terminal for AGC response speed setting
O Decoupling teminal for internal reference voltage
— Ground terminal (analog)
I Gain selection signal input
I CD-RW selection control signal input
I Wobble AGC enable signal input "H" : AGC ON, "L" : AGC reset
O ATIP FG signal output (Wobble signal after formation of 2 values)
O Tracking amplitude detection signal output Not used (open)
O Tracking failure detection signal output
O Tracking zero cross detection signal output
O Recorded block detection signal output 2 "H" : recorded block, "L" : unrecorded block
O Recorded block detection signal output 1 "H" : recorded block, "L" : unrecorded block
O RC signal output
O DFCT signal output
O MIRR signal output
I Main clock input 1 (sine wave input) 34.5744MHz
I Main clock input 2 (sine wave input) fixed at "L"
— Ground terminal (digital)
Description