Sony SA-WSLF1 Service Manual page 39

• SW-MAIN BOARD IC526 uPD703033BYGF-M58-3BA-A (SYSTEM CONTROLLER)
Pin No. Pin Name
1 DAMP DATA
2 TE AMP
3 DIR/ADC 2
4 DIAT DO
5 DIAT CLK
6 DSP DO
7 DIG DI
8 DIG CLK
9 EVDD
10 EVSS
11 P PWM
12 DSP RESET
13 DSP PM
14 DSP CS
15 DSP HACN
16 DSP BST
17 DSP GP9
18 DIR ZERO
19 DIR ERR
20 DIR CE
21 VPP
22 DIR XSTAT
23 DIR ANADIG
24 DIR XMODE
25 DIR DO
26 DAMP INT
27 DSP SKIP PP
28 DAMP MUTS
29 DAMP SI
30 DAMP SO
31 DAMP CS3
32 DAC CS
33 AD RST
34 RESET
35 XT1
36 XT2
37 REGO
38 X2
39 X1
40 VSS
41 VDD
42 CLKOUT
43 DRIVE RST
44 DRI OCP
45 NC
46 AU MUTE
47 AV SEL0
I/O
O Data output to the Control Unit (HCD-LF1)
— Not used
O Selector signal output to the IC SELECTOR
O Diat data signal output
O Diat clock signal output
I Data signal input from the AUDIO DSP
O Data signal output to the DEMODULATOR
O Clock data output to the DEMODULATOR
— Power Supply (+5V)
— Terminal Ground
O Voltage control output to the switching regulator
O Reset signal output to the AUDIO DSP
O PM signal output to the AUDIO DSP
O Chip enable signal output to the AUDIO DSP
I HACN signal input from the AUDIO DSP
O BST signal output to the AUDIO DSP
I GP9 signal input from the AUDIO DSP
I ZERO data input from the DEMODULATOR
I ERR data input from the DEMODULATOR
O Chip enable signal output to the DEMODULATOR
— Not used
I XSTAT signal input from the DEMODULATOR
O ERROR signal output to the DEMODULATOR
O MODE signal output to the DEMODULATOR
O DATA signal output to the DEMODULATOR
O Reset signal output to the stream processor
— Not used
O Soft muting on/off signal output to the stream processor
O Latch control signal output to the stream processor
— Not used
O Latch control signal output to the stream processor
O Chip enable signal output to the DAC
O Reset signal output to the DAC
I System Reset signal input
— Not used
— Not used
O Reference voltage output
O Oscillator signal output
I Oscillator signal input
— Terminal Ground
— Power Supply (+5V)
— Not used
O System Reset signal output to the power driver
I Over load detect signal input
— Not used
O Audio mute signal output
O Audio input selection signal output terminal
Description
SA-WSLF1
39