Toyota 86120-0K110, Service Manual

Page: 7 / 48

Pin
No.
Port Description I/O Volts (V)
FM AM CD TA
PE
82 VDD Analog voltage input for the
A/D converter I 4.9 4.9 4.9 4.9
83 AVDD Standard Voltage for the
A/Dconverter I 4.9 4.9 4.9 4.9
84 GND
(AVSS)
Ground for the A/D converter - 0 0 0 0
85 LANIN AVC-LAN data input I 0 0 0 0
86 LANOUT AVC-LAN data output O 0 0 0 0
87 GND Connecting to ground I 0 0 0 0
88 CAM-A/B H: Side B L: Side A I 0 0 0 4.9
89 ILL-DET H: Illumi off L: Illumi on I 4.9 4.9 4.9 4.9
90 SW1
<DQSY>
Activates same period signals
with H->L->H (Due to an
inverted circuit) (Interrupted
when normal) I 4.9 4.9 0 4.9
91 +B DET H: +B on L: +B off I 4.9 4.9 4.9 4.9
92 ACC-
DET
H: ACC off L: ACC on I 0 0 0 0
93 SW3
<NC>
H: SW3 off L: SW3 on I 4.9 4.9 4.9 4.9
94 NC Not used I - - - -
95 FLASH
SO
Flash rom data input
(Independent of the
microcomputer) I 0 0 0 0
96 FLASH
SI
Flash rom data output
(Independent of the
microcomputer) O 4.9 0 0 0
97 NC Not used O 0 0 0 0
98 T-IN H: No tape L: With Tape I 4.9 4.9 4.9 0
99 END-B Tape end detector B I 0 0 0 1.5
100 END-A Tape end detector A I 0 0 0 1.5
6.2. Display Block
IC901 : YEAMPD32B015
Pin
No. Port Description I/O Volts
(V)
1 LED1 Led Output (green) O 1.8
2 LED2 Led Output (red) O 1.5
3 LED3 Led Output (brightness) O 0
4 LED4(NC) - - -
5 VSS Connecting to ground - 0
6 VLC5 LCD Control Voltage 5 - 0
7 VLC4 LCD Control Voltage 4 - 1.5
8 VLC3 LCD Control Voltage 3 - 3.0
9 VLC2 LCD Control Voltage 2 - 3.0
10 VLC1 LCD Control Voltage 1 - 4.5
11 VLCD LCD Control Voltage 0 - 6.1
12 VDD Connecting to 5 volts - 5.0
13 SYNC Synchronized input - 5.0
14 LCD OFF LCD Control(When the LCD
is down)
I 5.0
15 RESET Reset I 5.0
16 KEY REQ Key request output O 0
17 SCK Control clock input I 0
18 DATA Data input/output I/O 5.0
19 STB Strobe input I 0
20 OSC IN Oscillation Input I 2.4
21 OSC OUT Oscillation Output O 2.5
22 KEY 1 Key scan input I 0.9
23 KEY 2 Key scan input I 0.9
24 KEY 3 Key scan input I 1.0
25 KEY 4 Key scan input I 1.0
26-
33
SEG1/KS1 -
SEG8/KS8
Segment/Key-scan input O 3.0
34-
85
SEG9 - SEG60 Segment output O 3.0
86-
89
SEG61/COM14 -
SEG64/COM11
Segment / common output O 3.0
90-
92
(NC) - - -
Pin
No. Port Description I/O Volts
(V)
93-
100 COM7 - COM0 Common 7-0 O 3.1
7
CQ-ES0470K