Toyota CQ-TS7471A, Service Manual

Page: 6 / 36

6.1. Main Block
IC601 : C2CBKH000103
Pin
No.
Port Descriptions I/O (V)
FM AM CD
1 BEEP - O 0 0 0
2 NC No connection - - - -
3 NC No connection - - - -
4 SW3-5 CD Mute I/O 4.8 4.9 0
5 NC No connection - - - -
6 CD-ON CD.C controller enable O 0 0 4.9
7 CD-RESET CD.C reset O 4.9 5.0 5.0
8 CD-SCKM CD.C shift clock O 0 0 4.9
9 CD-SOM CD serial data input I 4.9 4.9 1.5
10 CD-SIM CD serial data output O 4.9 4.9 4.9
11 RESET Reset I 4.9 4.9 5.0
12 XT2(NC) No connection - - - -
13 XT1 Ground I 0 0 0
14 GND Ground - 0 0 0
15 X2 Crystal oscillator
terminal - 1.8 1.8 1.8
16 X1 Crystal oscillator
terminal I 1.5 1.5 1.5
17 REGOFF Ground - 0 0 0
18 REGCPU Capacitor terminal - 3.6 3.6 3.6
19 VDD0 +5V power supply - 4.9 5.0 5.0
20 NC No connection - - - -
21 GREEN(NC) No connection - - - -
22 RED(NC) No connection - - - -
23 Phanton (Ground Pull-down) - 0 0 0
24 MODE Ground I 4.9 4.9 5.0
25 NC No connection - - - -
26 LOAD Loading Detection - 4.9 4.9 4.9
27 MODE-A Mode encoder data O 4.9 4.9 4.9
28 MODE-B Mode encoder data O 4.9 4.9 4.9
29 VOL-A Volume encoder data O 4.9 4.9 4.9
30 VOL-B Volume encoder data O 4.9 4.9 4.9
31 NC No connection - - - -
32 AUDIO-CK Audio clock O 1.5 1.5 1.5
33 AUDIO-INH Audio enable O 4.9 5.0 4.9
34 LCD-SCK LCD serial clock O 0 0 0
35 LCD-DATA LCD serial data I 4.8 4.9 4.8
36 LCD-STB LCD CE data O 0 0 0
37 LCD-REQ LCD data O 0 0 0
38 NC No connection - - - -
39 LCD-RESET LCD Reset O 0 0 0
40 GND Ground - 0 0 0
41 VDD +5V power supply - 4.9 5.0 5.0
42 - - - - - -
43 STBY Stand-by I 4.9 5.0 5.0
44 CCB-DI CCB Data input I 4.8 5.0 4.9
45 CCB-DO CCB Data output O 0.5 0.5 0.5
46 CCB-CL CCB serial clock I 4.8 5.0 4.9
47 CCB-CE CCB chip enable I 0 0 0
48 CCB-RS CCB RS O 4.9 5.0 5.0
49 CCB-BU CCB bus I 0.5 0.5 0.5
50 CCB-CNT CCB control I 4.9 0 0
51 NC No connection - - - -
52 MP - O 4.9 4.9 4.8
53 SD SD signal I 4.9 4.9 4.8
54 PLL-SDA PLL serial data I/O 4.9 4.9 4.9
55 PLL-SCL PLL serial clock O 4.9 5.0 5.0
56 ST FM stereo detection I 4.9 4.9 4.8
57 NC No connection - - - -
58 NK ON/OFF AM noise cancellor on/off - 4.8 0 0
59 NC No connection - - - -
60 TEL MUTE TEL Mute - 4.9 4.9 4.9
61 MUTE Mute - 0 0 0
62 NC No connection - - - -
63 NC No connection - - - -
64 NC No connection - - - -
65 RDS CL RDS clock O 2.4 2.4 2.4
66 RDS DATA RDS data I 2.7 2.7 2.5
Pin
No.
Port Descriptions I/O (V)
FM AM CD
67 NC No connection - - - -
68 RDS MUTE RDS Mute O 5.0 5.0 0
69 NC No connection - - - -
70 NC No connection - - - -
71 NC No connection - - - -
72 NC No connection - - - -
73 TEST(FLASH
VPP)
(Ground pull-down) - 0 0 0
74 ACC-IN Temperature sensor - 0 1.4 0
75 VCONT
(VSM)
Field intensity detection I 0.6 1.1 0.6
76 MP - I 0 0 0
77 NOISE FM noise detection I 1.4 0 1.4
78 NC No connection - - - -
79 NC No connection - - - -
80 NC No connection - - - -
81 NC No connection - - - -
82 VDD +5V power supply - 5.0 5.0 5.0
83 AVDD +5V power supply - 4.9 4.9 4.9
84 GND (AVSS) Ground - 0 0 0
85 LAN IN LAN data input I 0 0 0
86 LAN OUT LAN data output O 0 0 0
87 GND Ground - 0 0 0
88 CD EJ CD Eject I 4.9 4.9 4.9
89 NC (Ground Pull-down) - 0 0 0
90 PACK(SW) - I 4.9 4.9 0
91 +B-DET Battery detection I 4.9 4.9 4.9
92 ACC-DET ACC detection I 4.9 4.9 4.9
93 RESET 4.2 - I 4.9 4.9 4.9
94 TSO(SUBC) CD text serial data input I 0 0 0
95 SO Serial data output O 0 0 0
96 TSI CD text serial data output O 0 0 0
97 TCK(SBCK) CD text serial clock O 0 0 0
98 TSTB CD text TSTB No I 0 0 0
99 NC No connection - - - -
100 NC No connection - - - -
6 TERMINALS DESCRIPTION
6
CQ-TS7471A