Ic Pin Function Description - Sony D-FJ200 Service Manual

D-FJ200/FJ201
5-9. IC PIN FUNCTION DESCRINTION
IC3 (DIGITAL TUNING, LCD DRIVER CONTROL TC9327AF-04CD)
Pin No. Pin name
1 to 4 COM1 to 4
5 to 20 S1 to 16
21 AM-STEP_I
22 DEST2_I
23 DEST1_I
24 DEST0_I
25 S17
26 NC
27 VOL–
28 LCD-REQ_I
29 XLID-OPEN_I
30 EEP D0/DI_IO
31 EEP-SK_O
32 EEP-CS_O
33 VOL+
34 AD-KEY1_I
35 RM_SUB
36 AD-KEY2_I
37 SC-SEL_I
38 TU_ON_O
39 CD_ON_I
40 T-AVLS_O
41 AM-ON_O
42 RM-KEY_I
43 BATT_I
44 HIDC_I
45 AD-DC_REF
46 CDU-SDI_I
47 CDU-SDO_O
48 CDU-SCK_I
49 TU-BEEP_O
50 VOL-PWM_O
51 TU-HOLD_I
52 BAND-CTL2_O
53 DCIN-DET_I
54 ACK-CD_O
55 MONO/LOCAL-CTR_O
56 TU-BASS_O
57 XTU-TEST_I
58 XTU-BAND_O
59 BAND-CTL1_0
60 +B ON/OFF_O
61 IF-REQ_O
62 TU-MUTE_O
63 TEST
64 IF_I
65 EO (D01)_O
66 NC (D02)
20
I/O
O LCD common output
O LCD segment output
I Tuning frequency (9k/10k) step select signal input
I Destination input
I Destination input
I Destination input
O LCD segment output
O Not used (OPEN)
I "VOL–" button detection input
I LCD request signal input
O OPEN switch status detection input
I/O Serial data input/output to EEPROM
O Serial clock output to EEPROM
O Chip select signal output to EEPROM
I "VOL+" button detection input
I Set's button detection input
I Remocon's button detection inout
I Set's button detection input
I PGM select signal input
O Tuner ON signal output
I CD ON signal input
O Not used (Connected to ground with capacitor)
O AM/FM sound EQ switch signal output
I Remocon's button detection input
I Battery voltage monitor input
I Battery voltage monitor input
I Analog reference voltage to A/D, D/A converter
I Serial data input from IC801
O Serial data output to IC801
I Serial clock input from IC801
O BEEP signal output
O Electronic volume control signal output
I HOLD switch status detection input
O Tuner band select signal output to IC1
I Not used (OPEN)
O ACK signal output
O MONO-Stereo/Local select signal output
O BASS H/L switch signal output to IC301
I Not used (Pull down)
O BASS switch signal output to IC301
O Tuner band select signal output to IC301
O Tuner IF Amp power ON/OFF signal output
O Tuner IF signal request signal output to IC1
O Mute signal output
I Not used
I Tuner IF signal input
O Tuning voltage pulse output
O Not used (OPEN)
Description