Aiwa CX-JPK33, Руководство по обслуживанию

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51
CX-JPK33
PANEL BOARD IC601 LC876996A-52S5-E (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 O-MP3 CS
O
Chip select signal output to the MP3 decoder
2 O-MP3 LP
O
Latch pulse signal output to the MP3 decoder
3 I-MP3 ACK I Acknowledge signal input from the MP3 decoder
4 I-MP3 REQ I Request signal input from the MP3 decoder
5
I-SCOR
(Q-DATA REQ)
I Subcode Q data request signal input from the CD DSP
6 O-MP3 RESET
O
Reset signal output to the MP3 decoder “L”: reset
7 I-BU1924 DATA
I
RDS serial data input from the FM/AM tuner pack Not used
8 I-BU1924 CLK
I
RDS serial data transfer clock signal input from the FM/AM tuner pack Not used
9 I-VOLUME-IN1
I
Jog dial pulse input terminal (VOLUME)
10 I-VOLUME-IN2
I
Jog dial pulse input terminal (VOLUME)
11 RESET
I
System reset signal input terminal “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
12 I-XT1
I
System clock input terminal (32.768 kHz)
13 O-XT2
O
System clock output terminal (32.768 kHz)
14 VSS1
—
Ground terminal
15 CF1
I
System clock input terminal (10 MHz)
16 CF2
O
System clock output terminal (10 MHz)
17 VDD1
—
Power supply terminal (+3.3V)
18 I-PROTECT
I
Protect signal input from the amplifier circuit
19 WFR/HP/MIC-IN
I
Headphone detection signal input from the electrical volume
20 I-CD ENCODER I Disc tray address detection signal input terminal
21
I-CD
OPEN/CLOSE
I
Disc tray open/close detection signal input terminal
22 I-TAPE A STAT
I
Deck-A cassette detection signal, deck-A mode detection signal and recording (reverse direction)
detection signal input terminal (A/D input)
23 I-TAPE B STAT
I
Deck-B cassette detection signal, deck-B mode detection signal and recording (forward direction)
detection signal input terminal (A/D input)
24
I-STREAM/VACS
I VACS/stream signal input terminal (A/D input)
25 to 27
I-KEY3 to I-KEY1
I
Front panel key input terminal (A/D input)
28 I-SIRCS IN
I
Remote control signal input terminal
29 I-AC CUT
I
AC detection signal input terminal “L”: AC off
30 to 42 G13 to G1
O
Grid drive signal output to the fluorescent indicator tube
43 to 45 S1 to S3
O
Segment drive signal output to the fluorescent indicator tube
46 VDD3
—
Power supply terminal (+3.3V)
47 to 50 S4 to S7
O
Segment drive signal output to the fluorescent indicator tube
51 –VPP
—
Power supply terminal (–27V)
52 to 65 S8 to S21
O
Segment drive signal output to the fluorescent indicator tube
66
I-SPEC/
MODEL/METER
I
Destination setting signal, model setting signal and VACS/stream gain control signal input
terminal
67 I-TUNED-IN
I
Tuning detection signal input from the FM/AM tuner pack “L”: tuned
68 I-STEREO-IN
I
FM stereo detection signal input from the FM/AM tuner pack “L”: stereo
69 I-AMS-IN
I
Auto music sensor detection signal input from the electrical volume
“L”: music is present, “H”: music is not present
70 I-REEL-A-IN I Deck-A tape reel rotating detection signal input terminal
71 I-REEL-B-IN I Deck-B tape reel rotating detection signal input terminal
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