Terminals Description - Panasonic CQ-C7403U Service Manual

CQ-C7403U / CQ-C7303U / CQ-C7203U / CQ-C7103U

10 TERMINALS DESCRIPTION

10.1. Main Block [CQ-
C7403U/C7303U]
IC601 : C2CBKG000035
Pin Port
No.
1 PANEL OPEN Panel open detection
2 PANEL CLOSE Panel close detection
3 SUBM CNT 3.3V power control for
Display
4 BATT Battery power check
5 ACC Acc. power check
6 SDA Serial
electronic volume
7 SCLK Serial
electronic volume
8 CD MUTE Signal mute from CD
deck
9 Vss GND
10 ST FM stereo detection
11 PLL DI (MO) Serial data to PLL
12 PLL DO (MI) Serial data from PLL
13 PLL CLK Serial clock for PLL
14 PLL CE Chip enable for PLL
15 CD RESET Reset for CD deck
16 SUB SI Serial data to Display
CPU
17 CD IN Disc-in detection
18 SUB SO Serial
Display CPU
19 CH DATA/ UP XM SO/UP SO Serial
SO
20 CH CLK/ UP Serial
CLK Changer or Flash writer
21 Vdd +5V power supply
22 XM SI (MO)/ UP Serial data to Satellite
SI or Flash writer
23 CD SI (MO) Serial data to CD deck O
24 CD SCLK Serial clock for CD
deck
25 CONDENSOR Capacitor
for power
26 CD SO (MI) Serial data from CD
deck
27 CH STB Strobe from Changer
28 CH REM OUT Remote control codes
to Changer
29 DECK V CONT Power control for CD
deck
30 REMO INT Interrupt
control
31 CD FS Frame sync. for CD
deck
32 Avdd +5V power supply
33 AVREF +5V power supply
34 AVGND GND
35 AVSS GND
36 SD FM/AM
meter
37 INIT A Model setting
voltage level
38 INIT B Model setting
voltage level
39 A IN Spectrum
data
40 Vss GND
41 SYS ID1 Hub connection device
detection ID 1
Part Name & I/O FM
Description
I 0
I 0
O 5
I 4.8
I 4.8
data for I/O 4.9
clock for O 4.9
I 5
- 0
I 5.1
O 0.6
I 5.2
O 4.9
O 0
O 4.9
O 0.6
I 5
data from I 4.4
I 1.6
data from Changer
clock for I 4.9
- 4.9
O 0
0
I/O 0
connection - 3.3
I 0
I 0
O 4.9
O 4.9
for remote I 3.7
O -
- 5.1
- 5.1
- 0
- 0
signal level I 0.2
A by I 0
B by I 0
analyzer I 0
- 0
I 0
Pin Port
No.
42 SYS ID2
43 HUB EVENT
AM CD
44 HUB CNT
5.2 5.2
0 5.2
45 CD SW1
- -
46 CD SW2
47 MOD0
5 5
5 5
48 MOD1
4.9 4.9
49 MOD2
4.9 4.9
50 H STANDBY
5 5
51 DCDC CONT
0 0
52 FP MOTOR1
5.2 5.2
53 FP MOTOR2
0 0
5.2 5.2
54 V CONT1
4.9 4.9
0 0
55 REMO 1
4.9 4.9
56 SA CLK
0.6 0.8
57 EXT MUTE
5 5
58 AMP CONT
4.4 4.4
59 BZ OUT
1.6 1.6
60 OEL VCONT
61 WOW MODE1
4.9 4.9
62 WOW MODE2
63 WOW MODE3
4.9 4.9
64 DIM1
0 0
65 DIM2
0 0
66 MAIN CNT2
0.4 0
67 SRC KEY
68 PANEL IN
3.3 3.3
69 NC
0 0
70 NC
71 NC
0 0
72 MAIN CONT
4.9 0.4
73 INV CONT
74 AF MUTE
4.9 4.9
75 RESET
76 FOCUS ELV
3.7 3.7
77 X1A
- -
78 X0A
79 Vss
5.1 5.1
80 X1
5.1 5.1
0 0 81 X2
82 Vdd
0 0
0 0.3 83 P00
84 P01
0 0
85 OFFSET DET
0 0
86 STBY
0 0
87 MUTE
0 0
88 ILL SENS
0 0
89 NC
90 NC
91 NC
10
Part Name & I/O FM
Description
Hub connection device I 5.2
detection ID 2
Bluetooth incoming I 5.2
detection
Request of hub O 0
connection check
Disc detection switch 1 I 0
Disc detection switch 2 I 0
Operating mode control I 5.1
0 from Flash writer
Operating mode control - 5.1
1: pulled up to H
Operating mode control I 0
2 from Flash writer
Standby control from I 5
external
Not connected - -
Open/Close of Front O 4.9
panel 1
Open/Close of Front O 4.9
panel 2
Reference voltage O 0
control for motor driver
Remote control data I 5
Spectrum analyzer O 5
clock
Pulled up to H I 5.3
Power control for O 4.9
external Amplifier
Buzzer signal O 0
Not connected - -
SRS WOW mode 1 O 0
SRS WOW mode 2 O 0
SRS WOW mode 3 O 0
Dimmer control 1 O 0
Dimmer control 2 O 0
Power control for Hub O 5
SOURCE key detection I 5
Panel attachment I -
detection
Not connected - -
Not connected - -
Not connected - -
Main power control O 4.9
Dimmer power control O 5
Audio mute O 5
Reset I 5
Focus elevation for O -
SRS WOW
Oscillator clock O 2.1
Oscillator clock I 1.6
GND - 0
Crystal oscillator clock I 2
Crystal oscillator clock O 2.5
+5V power supply - 5
Pulled down to L - 0
Pulled up to H - 5.1
Audio clipping level I 0
detection from Power
amp.
Standby for Power O 5
amp.
Mute for Power amp. O 0
Pulled up to H - 5
Pulled up to H - 5
Not connected - -
Not connected - -
AM CD
5.2 5.2
5.2 5.2
0 0
0 0
0 0
5.1 5.1
5.1 5.1
0 0
5 5
- -
5 4.9
5 4.9
0 5
5 5
5 4.9
5.2 5.2
5 4.9
0 0
- -
0 0
0 0
0 0
0 0
0 0
5 5
4.9 5
- -
- -
- -
- -
4.9 4.9
5 5
5 5
5 5
- -
2.1 2.1
1.6 1.6
0 0
2 2
2.5 2.5
5 5
0 0
5 5.1
0 0
5 5
0 0
5 5
5 5
- -
- -