Aiwa Z-HT530, Руководство по обслуживанию

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1 M-CLK O Main IC control serial CLOCK output.
2 M-DATA O Main IC control serial DATA output.
3 M-STB O Common serial strobe.
4 O-PLL-CE O TUNER PLL IC control CHIP ENABLE output.
5 SR-LCK O SHIFT REGISTER IC control LATCH CLOCK output.
6 RYM-CS O RHYTHM IC chip select.
7 O-POWER O System power control output. H: POWER ON.
8 O-MUTE O System mute control output. H: MUTE ON.
9 O-C-SHIFT O Microcomputer CLOCK SHIFT control output. L: SHIFT UP (initial H).
10 I-HP-MUTE I Headphone jack detection. L: MUTE.
11 I-RESET I Reset input.
12 I-RTVR I Waveform input for VOL rotary encoder.
13 I-JOG I Waveform input for JOG rotary encoder.
14 VSS1 – Connected to GND.
15 CF1 I Oscillator input for system clock (9.43MHz).
16 CF2 O Oscillator output for system clock (9.43MHz).
17 VDD1 – Power supply.
18 HOLD I System HOLD input (A/D level port).
19 ~ 21 I-KEY1 ~ 3 I Tact key matrix 1 ~ 3 input.
22 I-CD-SW I CD MECHA SW matrix input.
23 I-DISH I CD turntable photo sensor input.
24 I-SPEANA I Spectrum analyser level detection input.
25 I-MIC I MIC input level detection.
26 I-RDS_SG I
During TUNER FUNC, RDS Signal level input.
27 I-TM-BASE I Reference signal input for clock.
28
I-RDS-CK/
I
During TUNER FUNC, RDS serial clock input./
I-SENS During CD FUNC, CD DSP SENS input.
29 I-REM I Remote control signal input.
30 ~ 42 G13 ~ G1 O FL grid G13 ~ G1 output.
43 ~ 45 P38 ~ P36 O FL segment P38 ~ P36 output.
46 VDD3 – Power supply.
47 P35/SPEANA–A O FL segment P35 output/Spectrum analyser BPF switching control A output.
48 P34/SPEANA–B O FL segment P34 output/Spectrum analyser BPF switching control B output.
49 P33/SPEANA–C O FL segment P33 output/Spectrum analyser BPF switching control C output.
50 P32/CSNDEMO O/I
FL segment P32 output/While initializing, DEMO MODE switching input. L: Normal DEMO.
H: CASINO DEMO (Not used).
51 –VP – Power supply for FL input.
52 P31/TU3 O/I FL segment P31 output/TUNER location switching 3 input.
53 P30/TU2 O/I FL segment P30 output/TUNER location switching 2 input.
54 P29/TU1 O/I FL segment P29 output/TUNER location switching 1 input.
55 P28/DSP O/I FL segment P28 output/DSP setting switching input. H: Absent (Not used).
Description
Pin No.
Pin Name I/O
IC DESCRIPTION
IC, LC876580W-5P66
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2
8 9
4 2
9 8
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