Ic Pin Function Description - Sony HCD-BX9 Service Manual

HCD-BX9/DX9

7-23. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC401 M30622MAA-A25FP (MASTER CONTROL)
Pin No. Pin Name I/O
1 SURROUND 1 O Not used.
2 SURROUND 2 O Not used.
3 SURROUND 3 O Not used.
4 498-DATA O Data signal output for IC101 (M61504FP)
5 498-CLK O Clock signal output for IC101 (M61504FP)
6 N.C I Not used.
7 AC-CUT I AC CUT ON (L) / OFF (H) CHECK
8 GND — Connected to ground.
9 GND — Connected to ground.
10 XC IN I SUB CLOCK input. (32.768kHz)
11 XC OUT O SUB CLOCK output. (32.768kHz)
12 RESET I System reset input.
13 X-OUT O MAIN SYSTEM CLOCK output. (16MHz)
14 VSS — Vss
15 X-IN I MAIN SYSTEM CLOCK input. (16MHz)
16 VCC — Power supply. (+5V)
17 NMI I PULL UP (EVER +5V)
18 WAKE_UP I WAKE UP signal input. (L)
19 SCOR I CD Q-data request signal input.
20 RDS-INT I RDS interrupt signal input.
21 RDS-DATA I RDS data signal input.
22 ST-MUTE O Tuner mute signal output.
23 STEREO I STEREO detect signal input. L=ON, H=OF
24 TUNED I TUNED detect signal input. L=ON, H=OFF
25 ST-CE O TUNER chip eneble output.
26 ST-DOUT O TUNER data output.
27 ST-DIN I TUNER data input.
28 ST-CLK O TUNER clock signal output.
29 IIC_CLK O IIC SCL output.
30 IIC_DATA O IIC SDA output.
31 TXDI — Not used.
32 SQ-DATA I Subcode Q data input. (CD data)
33 SQ-CLK I Subcode Q data input. (CD clock)
34 RST1 I Not used.
35 CD-DATA O CD data input.
36 N.C I Not used.
37 CD-CLK O CD clock input.
38 N.C I Not used.
39 CLOCK-OUT I Clock check signal input.
40 SENS I BD condition signal input.
41 HOLD O MODE signal input.
42 XLT O CD latch signal output.
43 XRST O CD reset signal output.
44 LOAD-IN I Loading motor control signal input.
45 LOAD-OUT O Loading motor control signal output.
46 OPEN I Tray open detect signal input.
47 CLOSE I Tray close detect signal input.
48 UP/DOWN SW I Pick-up up/down detect signal input.
49 T-SENS I CD table detect signal input.
50 TEST MODE I Not used.
Description
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Pin No. Pin Name I/O
51 N.C I Not used.
52 N.C I Not used.
53 N.C I Not used.
54 N.C I Not used.
55 N.C I Not used.
56 N.C I Not used.
57 A TRIG O A deck trigger control signal output.H=ON, L-OFF
58 B TRIG O B deck trigger control signal output.H=ON, L-OFF
59 CAPM-H/L O Capstan motor High/Low speed control signal output.
60 CAPM-CONT O Capstan motor REV/FWD/STOP control signal output.H=REV, L=FWD/STOP
61 N.C I Not used.
62 VCC — POWER SUPPLY (+5V)
63 N.C I Not used.
64 VSS — Ground.
65 N.C I Not used.
66 N.C I Not used.
67 A HALF I A deck half detect signal input.
68 A PLAY I A deck play detect signal input.
69 B PLAY I B deck play detect signal input.
70 AMS-IN I AMS signal input. L=ON,H=OFF
71 TC-MUTE O Tape deck line mute ON/OFF signal output. H=ON, L=OFF
72 R/PB/PAS I REC/PB/PASS select signal input.
73 NR-ON/OFF O DOLBY NR ON/OFF signal output. H=ON, L=OFF
74 REC-MUTE O REC mute ON/OFF signal output. L=ON, H=OFF
75 BAIS O BIAS ON/OFF signal output.H=ON, L=OFF
76 EQ-H/N O EQ High/Normal select signal output. H=High, L=Normal
77 PB-A/B O Playback deckA/B select signal output. H=deckB, L=deckA
78 ALC O ALC ON/OFF signal output. L=ON, H=OFF
79 TC-RELAY O Tape deck relay ON/OFF signal output. H=ON, L=OFF
80 N.C I Not used.
81 STBY-RELAY O STANDBY relay control signal output.
82 PROTECT I Speaker protect signal input. L=ON, H=OFF
83 DBFB-ON/OFF I Not used.
84 LINE-MUTE O Line mute signal output. L=ON, H=OFF
85 CD-POWER O CD-POWER ON/OFF signal output. H=ON, L=OFF
86 F-SHIFT O Not used.
87 RELAY-H O Speaker terminal relay control signal output. H=ON, L=OFF
88 POWER O POWER ON/OFF signal output. H=ON, L=OFF
89 N.C O Not used.
90 A SHUT O A deck reel pulse detect signal output.
91 B SHUT O B deck reel pulse detect signal output.
92 SOFT-TEST O Not used.
93 B HALF O B deck half detect signal input.
94 KEY/CD ADJ O KEY (for jig) / CD adjust.
95 MODEL-IN I MODEL input.
96 AVSS — Analog ground.
97 SPEC-IN I Version select signal input.
98 VREF — Analog Reference Voltage
99 AVCC — Analog Power Supply
100 STK-MUTE O Power amplifier mute ON/OFF signal output. H=ON, L=OFF
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Description