Sony HCD-LF1 Service Manual page 81

• DVD-POW BOARD IC301 uPD703033BYGF-M57-3BA-A (SYSTEM CONTROLLER)
Pin No. Pin Name
1 UCOM-DO
2 UCOM-CLK
3 I2C-DATA
4 ZIVA-RST
5 I2C-CLK
6 QUA-DI
7 QUA-DO
8 QUA SYNC
9 EVDD
10 EVSS
11 LED0
12 LED1
13 NC
14 FL-LAT
15 FL-BK
16 FL-DATA
17 FL-CLK
18 LED2
19 LED3
20 LED4
21 IC/VPP
22 STBY LED
23 NC
24 NC
25 NC
26 DF INIT
27 DF SEL
28 M REQ
29 NC
30 NC
31 NC
32 NC
33 NC
34 RESET
35 XT1
36 XT2
37 REGO
38 X2
39 X1
40 VSS
41 VDD
42 CLKO
43 NC
44 NC
45 STBY POWER
46 DVD POW
47 A.MCON RST
I/O
O Ucom data output to Subwoofer
O Not used
O 12c-data signal output to DVD system processor
O Reset signal output to DVD system processor
O 12c-clock signal output to DVD system processor
I Touch key data input from touch key driver
O Touch key data output to touch key driver
O Sync signal output
— Power Supply (+5V)
— Ground terminal
O LED0 drive signal output
O LED1 drive signal output
— Not used
O Fl-lat data output to Fluorescent Indicator Tube
O Fl-bk data output to Fluorescent Indicator Tube
O Fl-data data output to Fluorescent Indicator Tube
O Fl-clk data output to Fluorescent Indicator Tube
O LED2 drive signal output
O LED3 drive signal output
O LED4 drive signal output
— Not used
O Standby LED drive signal output
— Not used
— Not used
— Not used
O Df init signal output to Digital Audio Proccer
O Df sel signal output to Digital Audio Proccer
I Mute req signal input to DVD system processor
— Not used
— Not used
— Not used
— Not used
— Not used
I System Reset Signal input
— Not used
— Not used
I Rego signal input
O Main Oscillator signal output
I Main Oscillator signal input
— Ground terminal
— Power Supply (+5V)
— Not used
— Not used
— Not used
O Standby signal output to system controller (SA-WSLF1)
O DVD power control signal output
O System reset signal output to system controller (SA-WSLF1)
Description
HCD-LF1
81