Terminals Description - Panasonic CQ-TX5500W Service Manual

9 TERMINALS DESCRIPTION

9.1. Main Block
IC601 : C2DBKJ000103
Pin Port Description
No.
1 NC -
2 NC -
3 TSO CD text BUS data
input
4 TSI CD text BUS data
output
5 TSCK CD text BUS clock
output
6 EVDD +5V power supply
7 EVSS GND
8 CH1 REM Changer remote-
control signal
9 SYS PWR System power control
signal
10 REMO Remote control signal
11 NC -
12 LCD SO LCD driver data input
13 LCD SI LCD driver data
output
14 LCD CLK LCD driver BUS clock
output
15 LCD CE LCD driver BUS chip
enable output
16 METER SW Analog meter select
switch signal
17 BEEP Beep control signal
18 VPP High voltage for
program
19 EN A VOL key-in detection
signal A
20 EN B VOL key-in detection
signal B
21 VOL DATA Electronic volume
serial data output
22 VOL CLK Electronic volume
serial clock output
23 VOL CE Electronic volume
chip enable output
24 NC -
25 AMP MUTE AMP power mute
control signal
26 SYS MUTE Audio mute control
signal
27 AMP CNT External AMP power
control signal
28 MAIN CNT Internal AMP power
control signal
29 VALVE LED Valve LED power
control signal
30 FRAM CS F-RAM chip select
output
31 RESET System reset Input
32 SUB X1 Connecting to GND.
33 NC -
34 REGC Capacitor connection
for regulator
35 X2 Main system clock
oscillator
36 X1 Main system clock
oscillator
37 VSS GND
38 VDD5V +5V power supply
39 CLK OUT Internal system clock
output
40 FRAM DI F-RAM data input
Volt.(V)
I / O FM AM CD
- - - -
- - - -
I 0 0 3.2
O 0.7 0.6 0
O 5.1 5.1 5.1
- 5.2 5.2 5.2
- 0 0 0
O 5.2 5.2 5.2
I 5.2 5.2 5.1
I 4.7 4.7 4.7
- - - -
I 5 5 5
O 0 0 0
O 5.1 5.1 5.1
O 0 0 0
O 5.2 5.2 5.2
O 0 0 0
- 0 0 0
O 0 5 0
O 0 5 0
O 5.2 5.2 5.2
O 5.2 5.2 5.2
O 0 0 0
- - - -
O 0 0 0
O 5.2 5.2 5.2
O 5.2 5.2 5.2
O 5.2 5.2 5.2
O 5.2 5.2 5.2
O 5.2 5.2 5.2
- 5.2 5.2 5.2
I 0 0 0
- - - -
- 3.4 3.4 3.4
- 1.5 1.5 1.5
- 1.5 1.5 1.5
- 0 0 0
- 5 5 5
- 0 0 0
I 0 0 0.5
7
Pin Port Description
No.
41 FRAM DO F-RAM data output
42 FRAM CLK F-RAM clock output
43 LED LED meter control
METER signal
44 CD EJECT CD EJ LED control
LED signal
45 SOURCE SOURCE LED
LED control signal
46 KEY LED KEY LED control
signal
47 NC -
48 NC -
49 NAVI MUTE Navi mute signal
50 ILL Illumination power
detect signal
51 METER Analog meter mute
MUTE signal
52 FRAM WP F-RAM write protect
signal
53 FRAM F-RAM hold signal
HOLD
54 NC Connecting to GND.
55 BVDD +5V power supply
56 BVSS GND
57 NC Connecting to GND.
58 NC Connecting to GND.
59 NC Connecting to GND.
60 MAIN PWR Main power control
signal
61 NC -
62 TWIN CH Twin changer select
CNT control signal
63 TSTB CD text strobe output
64 ANT CNT Antenna control
signal
65 PLL CE PLL IC BUS chip
enable output
66 PLL DI PLL IC BUS data
output
67 PLL CLK PLL IC BUS clock
output
68 PLL DO PLL IC BUS data
input
69 DIV CNT Diversity ANT select
control signal
70 LED LED Dimmer power
DIMMER control signal
CNT
71 AVDD +5V power supply
72 AVSS GND
73 AVREF A/D converter
reference voltage
74 VSM Tuner signal strength
detect signal
75 INITIAL1 Connecting to GND.
76 INITIAL2 Connecting to GND.
77 NC Connecting to GND.
78 COVER_SE Cover sense signal
NSE
79 NC Connecting to GND.
80 NC Connecting to GND.
81 NC Connecting to GND.
82 NC Connecting to GND.
83 DIAG -
84 ST IND FM stereo signal
85 CH1 SENS Twin changer adaptor
detect signal
CQ-TX5500W
Volt.(V)
I / O FM AM CD
O 0 0 0
O 0 0 0
O 5.2 5.2 5.2
O 0 0 5.2
O 5.2 5.2 5.2
O 5.2 5.2 5.2
- - - -
- - - -
I 5.2 5.2 5.2
I 5.2 5.2 5.2
O 5.2 5.2 5.2
O 5.2 5.3 5.3
O 0 0 0
- 0 0 0
- 5.2 5.2 5.2
- 0 0 0
I 0 0 0
I 0 0 0
I 0 0 0
O 5.2 5.2 5.2
- - - -
O 5.2 5.2 5.2
O 0.9 0 0
O 5.2 5.2 0
O 0 0 0
O 0 0 0
O 0 0 0
I 5.1 5.1 5.1
O 0 5.2 5.2
O 0 0 0
- 5.3 5.3 5.3
- 0 0 0
- 5 5 5
I 0.5 0.5 0
I 0 0 0
I 0 0 0
I 0 0 0
I 5 5 4.9
I 0 0 0
I 0 0 0
I 0 0 0
I 0 0 0
I 5.3 5.3 5.3
I 0 1.9 0
I 4.9 4.9 4.9