
6.1. Main Block
IC601 : C2BBGF000658
Pin
No. Port Descriptions I/O FM
(V) AM
(V) CD
(V)
1BATT-DET Batterylevel detection I 5.2 5.2 5.1
2ACC-DET ACC level detection I 5.7 5.7 5.6
3 CD-SOM CD serial data I 2.7 2.7 2.5
4 CD-SIM CD serial data O 0 0 3.7
5 CD-SCKM Shift clock for CD serial
data O 4.9 4.9 4.9
6 CD-ON CD controll enable O 5.1 5.1 5.0
7CD-RESET CD reset O 5.2 5.2 5.2
8KEY.DATA Key data I 1.0 1.0 1.0
9DISP.DATA Display data O 5.1 5.1 5.1
10 VFD.CLK VFD data shift clock I 5.2 5.1 5.1
11 PBUS.IN PBUS data I 1.0 1.6 1.0
12 PBUS.OUT PBUS data O 0 0 0
13 PBUS.CLK PBUS clock I 1.0 1.6 1.0
14 CD.SW1 Not used - - - -
15 CD.SW3 (Ground pull-down) -000
16 NAVI.CONT No connection O000
17 VOL.CLK Electronic volume clock O000
18 VOL.DATA Electronic volume data O000
19 ANT.CONT Antenna power on/off O 0 5.1 0
20 SubWF.C Woofer amp. control O 5.2 5.2 5.2
21 MUTE System mute O000
22 AMP.CONT Power Amp. stand-by O 5.2 5.2 5.2
23 (ILM-.DET) ILL. detection I000
24 SAT.SW Satellite SW+ I 5.2 5.2 5.2
25 NAVI.IN No connection I 0.8 1.6 0.8
26 NAVI.BEEP Not used - 0.8 1.7 0.8
27 VDD +5V power supply - 5.2 5.2 5.2
28 (GND) (Ground pull-down) -000
29 (GND) (Ground pull-down) -000
30 SD B/S detection I000
31 FM.ST FM stereo detection I 0.5 2.2 0
32 GND Ground -000
33 REG.CPU Bypass capacitor terminal - 3.6 3.6 3.6
34 VDD +5V power supply - 5.2 5.2 5.2
35 REG.OSC Bypass capacitor terminal - 5.2 5.2 5.2
36 X2 Crystal oscillator - 2.4 2.4 2.4
37 X1 Crystal oscillator - 2.4 2.4 2.4
38 GND Ground -000
39 SSC Serch stop clear O000
40 GND Ground -000
41 AM.IF AM IF counter O 0.7 0.7 0.7
42 FM.IF FM IF counter O 0.5 0.5 0.5
43 PLL.VDD PLL +5V power supply - 5.2 5.2 5.2
44 FM.OSC FM local OSC I 2.7 0 0
45 AM.OSC AM local OSC I 0.8 2.0 0
46 PLL.GND Ground -000
47 PD LPF control O 1.6 1.6 1.7
48 NC No connection ----
49 IC (Connecting to ground) -000
50 /RESET System reset I 5.1 5.1 5.1
51 CD.Eject CD eject switch I 5.2 5.2 5.3
52 CD.Load No connection I 5.2 5.2 5.2
53 (GND) (Ground pull-down) -000
54 (GND) (Ground pull-down) -000
55 ILL.CAP ILM- detection I 5.2 5.2 5.2
56 (GND) (Ground pull-down) -000
57 (GND) (Ground pull-down) -000
58 (GND) (Ground pull-down) -000
59 BEEP Beep output O000
60 (GND) (Ground pull-down) -000
61 Fs.CLK DC/DC control clock O 0.9 0.9 0.9
62 AM/FM CONT Radio power cont. O 0.6 0.6 8.9
63 /WB.CONT WB radio power control O 1.1 1.1 1.5
64 FM.CONT FM radio power control O 0.6 8.8 8.9
65 F.CONT DC/DC control O000
66-68 NC No connection ----
Pin
No. Port Descriptions I/O FM
(V) AM
(V) CD
(V)
69 HC.OUT Heater control data I 0 0 0
70 HC.IN Heater control data O 0 0 0
71 Siyou5 Specification setting I 0 0 0
72 Bright (Ground pull-down) - 0 0 0
73 Ig Ignition SW I 0 0 0
74 Siyou4 Specification setting I 0 0 0
75 /VFD.Reset VFD driver reset O 5.2 5.2 5.2
76 VFD.Ce VFD driver chip enable O 5.2 5.2 5.2
77 Bub.On Data BUS control O 5.2 5.2 5.2
78 NC No connection - - - -
79 POWER.SW Power SW on/off I 5.2 5.2 5.2
80 PBUS.STB PBUS strobe O 1.6 1.6 1.5
81 ILM+.Det (ACC5V pull-up) I 0 0 0
82 GND Ground - 0 0 0
83 TEST.P Test point I 5.2 5.2 5.2
84 Siyou1 Specification setting I 0 0 0
85 Siyou2 Specification setting I 0 0 0
86 Siyou3 Specification setting I 0 0 0
87 Beep.C
(NC) No connection - - - -
88 TEL.ON Telephone mute I 0 0 0
89 P.CONT
(ACC) Power control O 5.2 5.2 5.2
90 VFD.CNT VFD DC-DC control O 0 0 0
91-98 (GND) (Ground pull-down) - 0 0 0
99 VDD +5V power supply - 5.2 5.2 5.2
100 GND Ground - 0 0 0
Note : Voltage measuerments are with respect to ground, with
a voltmeter (internal resistance : 10M ohms).
6.2. Display Block
IC901 : C2BBGE000641
Pin
No. Port Descriptions I/O Vol
(V)
1 KI6 Key data I 5.1
2 KI7 Key data I 5.1
3 NC No connection - -
4F.DEF.LED Front defroster LED cont. O 0
5R.DEF.LED Rear defroster LED cont. O 0
6/SEG.S1 H/C VFD segment data O 5.1
7/SEG.S9 H/C VFD segment data O 5.1
8COG.LAT AUDIO VFD test O 0
9 VSS0 Ground - 0
10 VDD +5V power supply - 5.1
11 KS5 Key strobe O 0.8
12 KS6 Key strobe O 0.5
13 Siyou Specification setting I 0
14 KS7 Key strobe O 0.5
15 KS8 Key strobe O 4.5
16 COG.SI AUDIO VFD serial data O 0.5
17 COG.CLK AUDIO VFD data shift clock O 4.1
18 DISP.DATA Display data I 5.0
19 KEY.DATA Key data O 0.7
20 VFD.CLK VFD data shift clock O 5.1
21 NC No connection - -
22 H/C.VFD.STB Strobe for H/C VFD data O 0
23 NC No connection - -
24 VDD1 +5V power supply - 5.1
25 AVSS Ground - 0
26-29 (GND) (Connecting to ground) - 0
30 EN.F Rotary encoder data I 5.1
31 EN.E Rotary encoder data I 5.1
32 EN.D Rotary encoder data I 5.1
33 EN.C Rotary encoder data I 5.1
34 GND Ground - 0
35 AVDD +5V power supply - 5.1
36 RESET Reset input I 5.1
37 NC No connection - -
6 TERMINALS DESCRIPTION
6
CUSTOM MADE FOR SUBARU / CQ-EF1560L