Aiwa HS-JXM2000 Service Manual page 11

IC DESCRIPTION (HS-JXM2000)<AH,YH>
IC, TC9327AF-506
Pin No. Pin Name I/O
1 ~ 4 COM1 ~ COM4 O LCD driver common output.
5 ~ 24 SEG1 ~ SEG20 O LCD driver output.
25 TP ON O H: Except TAPE mode, L: TAPE mode
26 REC AMP CTRL O Always output L. (Not used)
27 CASS SW I H: SW OFF, L: SW ON.
28 TIMING SW I Input mechanism operation detection.
29 F. REC PRHBIT I H: Can not Record, L: can Record.
30 R. REC PRHBIT I H: Can not Record, L: can Record.
31 FM MO/ST O Output FM MONO/STEREO switching.
32 TP-ON O H: Radio mode, L: Except Radio mode.
33 MS DET I H: Exist music, L: No music.
34 AREA SET I Input voltage level of each AREA(D,U,E,H).
35 IF SEL/LCD ON I H: IF 10.7, MID: IF 10.75, L: LCD ALL ON.
36 P-DET(TAKE UP) I Connected to ground.
37 P-DET(SUPPLY) I Input P-SNSR output waveform.
38 P-CTRL(TAKE UP) O Always output L. (Not connected)
39 P-CTRL(SUPPLY) O Control P-SNSR circuit power supply.
40 DSL1 O H: DSL ON, L: DSL OFF.
41 DSL2 O H: DSL1, L: DSL2.
42 K-REMO I Input remote controller key.
43 K-MAIN I Input main unit key.
44 VOLTAGE DET I Reducing voltage mecha stop.
45 SYSTEM CTRL O H: Except standby mode, L: Standby mode.
46 DOLBY CTRL O H: Dolby OFF, L: Dolby ON.
47 SLAVE S-DATA O Output display data for remote controller.
48 SLAVE S-CLK/DET I Input serial clock.
49 BEEP O Output buzzer.
50 MOTOR CTRL O H: Motor ON, L: Motor OFF.
51 MOTOR DRCT O H: Clockwise, L: Counter clockwise.
52 MOTOR HI-SP O H: Hi speed, L: Nomal speed.
53 MOTOR BRAKE O H: Motor brake ON, L: OFF.
54 REC/PLAY O H: Recording, L: Except Recording.
55 REC F/R CTL O H: Reverse Recording, L: Except Reverse Recording.
56 MIC/RADIO O H: Radio recording, L: Except Radio recording.
57 REC MUTE O Rec Muting control.
58 SEL(E2) O EEPROM R/W switching terminal.
59 SCLK(E2) O Output EEPROM serial clock.
60 SDATA(E2) I/O Input/output EEPROM.
61 AU F/R CTL O H: REV mode, L: FWD mode.
62 MUTE O H: Mute OFF, L: Mute ON.
Description
Pin No. Pin Name I/O
63 TEST –
64 IF IN I
65 RADIO CTRL O
66 PLL OUT O
67 J/R SEL I
68 AM/FM CTRL O
69 GND –
70 FM IN I
71 AM IN I
72 VDD –
73 RESET I
74 XOUT O
75 XIN I
76 VXT –
77 VLCD –
78 C1 –
79 C2 –
80 VEE –
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Description
Connected to ground.
Input IF signal.
H: Radio mode, L: Except Radio mode.
Output phase comparator.
H: With Recording, L: Without Recording.
H: Except FM mode, L: FM mode.
Connected to ground.
Input FM programable counter.
Input AM programable counter.
Connected to VDD.
Input reset.
Connected to crystal oscillator.
Power supply for crystal oscillator.
Reference voltage for LCD drive.
1.5V constant voltage for LCD drive.