Sony SA-WSLF1, Руководство по обслуживанию

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