Terminals Description - Mitsubishi Electric CQ-JB3160A Service Manual

7 TERMINALS DESCRIPTION

7.1. Main Block
IC601 : C2BBGF000256
Pin Port
No.
1 SUBVOLCLK (Ground pull-down)
2 DIV SW Diversity switch
3 SET S2 System function setting
4 AVSS Ground
5 SET S0 System function setting
6 SET S1 System function setting
7 AVREF +5V power supply
8 SET R0 System function setting
9 SET R1 System function setting
10 SET R2 System function setting
11 CD DI CD data output
12 CD DO CD data input
13 CD CLK Shift clock for CD data
14 PLL DI PLL data input
15 MBUSY OUT M-BUS busy
16 MBUSY IN M-BUS busy
17 MDATA M-BUS data
18 MCLK M-BUS clock
19 PLLDO PLL data output
20 PLLSTB PLL strobe
21 PLLCLK PLL clock
22 MUTE A Mute signal
23 VOL STB Electric volume strobe
24 VOL CLK Electric volume clock
25 VOL DATA Electric volume data
26 AMP CONT Power amp. stand-by
27 CD PON CD power control
28 CD ON CD control LSI enable
29 SW1 CD disc-in SW
30 SW3 CD disc-out SW
31 TUNEA Tuner switch signal
32 TUNEB Tuner switch signal
33 GND Ground
34 VOLINA Volume switch signal
35 VOLINB Volume switch signal
36 CD RESET CD controller reset
37 MAIN Main antenna selection
38 SUB Sub. antenna selection
39 BIBIRI CNT Rattle noise check control
40 SECDI Security data input
41 SECDO Security data output
42 SECCLK Security
clock
43 SECCS Security ROM select
44 FreqOUT Tone/Burst frequency
45 TONE/TRG Tone/Triger control
46 S.PULSE Speed pulse input
47 Ga INPUT GALA signal input
48 ST FM stereo detection
49 LCD CONT LCD back ligth on/off
50 BUZZER Buzzer output
51 NC No connection
52 KS0 Key strobe
53 KS1 Key strobe
54 KS2 Key strobe
55 KS3 Not used
56 KR0 Key data
57 KR1 Key data
58 KR2 (Groung pull-down)
59 KR3 (Groung pull-down)
60 RESET Reset input
61 M-DATA IN M-BUS data
62 CD EJECT CD eject SW
63 BATTDET Battery level detection
64 ACCDET ACC level detection
65 MUTE_P Power amp. mute
66 ANT Motor antenna power on/off
Descriptions I/O Vol.
-
I
O
-
O
O
-
I
I
I
O
I
O
I
O
I
I/O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
-
I
I
O
O
O
O
I
O
data read / write O
O
O
O
I
I
I
O
O
-
O
O
O
-
I
I
-
-
I
I
I
I
I
O
O
Pin Port
No.
67 GND
68 VDD
69 X2
(V)
70 X1
0
71 GND
5.1
72 XT2
0
73 XT1
0
74 AVDD
0
75 AV REF0
0
76 VAM/FM
5.1
77 REMOTE_A
0
78 BIBIRI.A
0
79 CLIPCONT
0
80 REMOTE_D
2.4
Note 1 : Voltage measuerments are with respect to ground,
1.4
4.9
with a voltmeter (internal resistance : 10M ohms).
5.0
0 7.2. Display Block
0
4.9
IC901 : YEAMSM6786
4.9
Pin Port
0
No.
0
1- 6 SEG1 - 6
0
7 SEG7
0
8-20 SEG8-20
0
21 VDD
0
22-29 SEG21 - 28
0
30 -
4.9
31-34 KR0 - 3
4.9
35,36 -
4.9
37-40 KS1 - 4
0
41 KS5
4.8
42 LOAD
4.7
43 CLK
0.5
44 DATA I/O
0
45 INT
0
46 /RESET
0
47 LED
0
48 3/4 SEL
4.9
49 VDD
8.3
50 OSC
5.0
51 VSS
0
52 TEST
0
53-56 COM4 - 1
0
0
0
0
0
5.0
0.3
4.8
0
-
0
0
0
-
0
1.6
0
0
4.8
4.9
4.8
5.0
0
0
0
7
MITSUBISHI / CQ-JB3160A / CQ-JB0160A
Descriptions
Ground
+5V power supply
Crystal oscillator
Crystal oscillator
Ground
Crystal oscillator
Crystal oscillator
+5V power supply
+5V power supply
AM/FM vcont
(+5V pull-up)
(Ground pull-down)
Not used
(Ground pull-down)
Descriptions
LCD segment data
No connection
LCD segment data
+5V power supply
LCD segment data
No connection
Key data input
No connection
Key scanning
Not used
LCD LSI chip enable
LCD clock
LCD/Key dat
LCD interrupt
Reset
Not used
(Connecting to ground)
+5V power supply
CR oscillator
Ground
(Connecting to ground)
LCD common
I/O Vol.
(V)
- 0
- 4.9
- 0
- 2.6
- 0
- 2.7
- 2.5
- 4.9
- 5.0
I 0
- 5.0
- 0
- -
- 0
I/O Vol.
(V)
O 2.3
- -
O 2.3
- 5.0
O 2.3
- -
I 4.4
- -
O 3.5
- -
I 0
I 0
I/O 0
O 3.8
I 4.0
- -
- 0
- 5.0
- 2.2
- 0
- 0
O 2.3