9.1. Main Block
IC601 : C2BBGF000299
Pin
No. Port Description I/O (V)
1 BATT-DET Batterylevel detection I4.7
2 ACC-DET ACC level detection I4.7
3 WB.CONT (Ground pull-down) - 0
4 FM.CONT FM radio power control O 5.1
5 AM/FM.CON
TRadio power control O 5.0
6CD-ON CD controll enable O5.4
7CD-RESET CD reset O 5.3
8CD-SOM CD serial data O4.9
9CD-SIM CD serial data I5.2
10 CD-SCKM Shift clock for CD serial data O5.3
11 CD-SW1 (Ground pull-down) I 0
12 CD-SW3 (Ground pull-down) I 0
13 IDC.CONT CD changer power control O5.2
14 DOLBY Dolby NR control O 0
15 M1-A Tape main motor control O 0
16 M1-B Tape main motor control O 0
17 END-A Tape end detection I1.5
18 END-B Tape end derection I1.6
19 VOL.CLK Electronic volume clock O 0
20 VOT.DATA Electronic volume data O 0
21 MUTE System mute O 0
22 AMP.C Power Amp. stand-by O5.2
23 V.CONT (Ground pull-down) - 0
24 ILL.C (Ground pull-down) - 0
25 EQ/AM.IN (Ground pull-down) - 0
26 BIT1 Tape mode switch I4.9
27 AVDD +5V power supply -5.2
28 BIT2 Tape mode switch I4.9
29 BIT3 Tape mode switch I 0
30 SD B/S detection I 0
31 FM.ST FM stereo detection I0.4
32 AVSS Ground - 0
33 REGCPU Coupling capacitor terminal -3.4
34 VDD +5V power supply -5.2
35 REGOSC Coupling capacitor terminal -5.2
36 X2 Crystal oscillator - 2.2
37 X1 Crystal oscillator - 0
38 GND Ground - 0
39 SSC Serch stop clear O 0
40 GND Ground - 0
41 AM.IF AM IF counter O 0
42 FM.IF FM IF counter O 0
43 PLL.VDD PLL +5V power supply -5.2
44 FM.OSC FM local OSC I 2.4
45 AM.OSC AM local OSC I 1.3
46 PLL.GND Ground - 0
47 EO0 PLL phase error O1.4
48 NC No connection - -
49 IC (Connecting to ground) - 0
50 /RESET System reset I 4.8
51 CD.EJ CD eject switch I 5.1
52 TAPE.EJ Tape eject switch I5.1
53-57 KI1-5 Key data input I 0
58 AM NC (Ground pull-down) - 0
59 BEEP Beep output O 0
60 DIV ON/OFF (+5V pull-up) - 5.0
61-66 - Not used - -
67 M2 Tape sub motor control O 0
68 M2F Tape sub motor control O0.5
69 EN-B Rotary encoder data I 0
70 EN-A Rotary encoder data I 0
71 SYIYOU6 Specification setting I4.9
72 SYIYOU7 Specification setting I 0
73 SYIYOU8 Specification setting I 0
74 LCD.DIN LCD data O5.1
75 LCD.CE LCD chip enable O 0
76 LCD.CLK LCD shift clock O 0
77 LCD.DOUT LCD data I 0
78 POWER.SW Power switch input I5.1
79 CD-CH.IN CD changer data I5.1
80 CD-CH.OUT CD changer data O 0
81 ILL.DET (ACC5V pull-up) I 5.1
82 GND Ground - 0
83 TEST.P Test point I5.1
84 SYIYOU1 Specification setting I5.0
85 SYIYOU2 Specification setting I 0
86 SYIYOU3 Specification setting I 0
87 SYIYOU4 Specification setting I5.0
88 SYIYOU5 Specification setting I 0
89 P.CONT Power control O 5.1
90 LCD.C LCD illumi. control O 5.1
91 TAPE.CONT Tape power control O4.6
92 A/B.OUT Tape FF/REW selection O 0
93 MS-PL/FF MS mode control O 0
94 MSM MS gain control O 0
95 MS Tape unrecorded portion detection I 0
96 A/B.IN Tape side detection I 0
97 T.LOAD Tape loading detection I 0
98 T-IN Tape-in signal I 0
99 VDD +5V power supply -5.2
100 GND Ground - 0
Note :
Voltage measuerments are with respect to ground, with a
voltmeter (Internal resistance : 10M ohms.)
9.2. Display Block
IC901 : YEAMLC75853
Pin
No. Port Description I/O (V)
1-15 S1-S15 LCD segment data O2.5
16-19 S16-S19 Not used - -
20-40 S20-S40 LCD segment data O2.5
41-43 COM1-3 LCD common O 2.5
44-47 KS1-4 Key scan O 0.9
48,49 KS5, 6 Not used - -
50-54 KI1-5 Key data I 0
55 TEST (Connecting to ground) - 0
56 VDD +5V power supply -5.1
57 VDD1 Ground through capacitor terminal -3.3
58 VDD2 Ground through capacitor terminal -1.7
56 Vss Ground - 0
60 OSC CR oscillator terminal - 3.9
61 DO LCD data O4.4
62 CE LCD driver chip enable I 0
63 CL Clock for LCD I 0
64 DI LCD data I 0
9 TERMINALS DESCRIPTION
9
CUSTOM MADE FOR SUBARU / CQ-EF7160A
