Sony CDX-V3800 Service Manual page 27

• IC PIN DESCRIPTIONS
• IC500 BU9536KS2 (RF AMP, DIGITAL SERVO) (SERVO BOARD (1/2))
Pin No. Pin Name
1 AVDD1
2 AC
3 BD
4 VBIAS
5 E
6 F
7 AGND1
8 FEN
9 FEO
10 PKC
11 BTC
12 PD
13 LD
14 PCO
15 FCO
16 ASY
17 JUMPO
18 TDOUT
19 SDIN
20 SDOUT
21 FDOUT
22 CLVOUT
23 CLK88
24 LON
25 CLK
26 MCK
27 DIN/DOUT
28 R/W
29 RESETX
30 BUSY
31 SUBSYQ
32 SUBDATA
33 SUBCK
34 WFCK
35 DOUTA
36 LRCK
37 DCK
38 EFLAG
39 BUFO
40 XPLCK
41 DVDD
42 XI
43 XO
44 DGND
45 RFRPPFM
46 TZCRFM
47 SC
48 TEO
I/O
— Analog power supply pin (+3.3 V)
I A+C voltage signal input from optical pick-up block
I B+D voltage signal input from optical pick-up block
O Bias level (VDD/2) signal output
I E voltage signal input from optical pick-up block
I F voltage signal input from optical pick-up block
— Analog ground pin
I Focus error amplifier feedback signal input
O Focus error signal output
O RF signal peak detection capacitance connected pin
O RF signal bottom detection capacitance connected pin
I APC photo detecter signal input
O APC laser drive signal output
O PLL PCO signal output
O PLL FCO-DAC signal output
I Asymmetry revice and ccomparator slice capacitor install pin
O Tracking jump pulse signal output
O Tracking drive signal output
I Sled signal input
O Sled drive signal output
O Focus drive signal output
O CLV drive signal output
O Clock signal output for driver IC Not used in this set. (Open)
O Laser on control signal output
O Clock signal output Not used in this set. (Open)
I Transfer clock signal input for sub Q and command
I/O Command signal input/status, sub-Q signal output
I Read/write signal input for command
I System reset signal input "L": reset
O Busy signal output
O Sub cord synchronizing signal output
O Sub cord data signal output
I Sub cord bit clock signal input Not used in this set. (Fixed at "L".)
O Disc frame synchronizing signal output
O Audio serial data signal output
O Audio LR signal output
O Audio serial bit clock signal output
I/O Error flag signal input/output
O X'tal 16.9344 MHz buffer signal output Not used in this set. (Open)
I/O XPLCK signal input/output Not used in this set. (Open)
— Digital power supply pin (+3.3 V)
I X'tal 16.9344 MHz connect input
O X'tal 16.9344 MHz connect output
— Digital ground pin
O RFRP capacitor install pin or RF test monitor signal output
O TZC capacitor install pin or RF monitor signal output
I Scratch depth adjustment resistor connected pin
O Tracking error signal output
Pin Description
CDX-V3800
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