Panasonic CQ-TX5500W

Pin
No.
Port Description Volt.(V)
I/O FM AM CD
86 FAN CNT Fan motor control
signal
O 0 0 5.2
87 CH1 STB Changer BUS strobe
input
I 0 0 0
88 BATT
SENS
Battery power supply
detect signal
I 5.2 5.2 5.2
89 ACC SENS Accessory power
supply detect signal
I 5.2 5.2 5.2
90 PACK CD text sync. Signal I 0 0 0
91 CD SO NCD8 status input I 0 0 0
92 CD MUTE NCD8 mute request
input
I 5.2 5.2 0
93 CD RST NCD8 CPU reset
output
O 5.2 5.2 5.2
94 CD SI NCD8 command
output
O 0 0 0
95 CD SCK NCD8 serial clock
output
O 0 0 0
96 CD ON NCD8 ON mode
signal
O 5.1 5.1 5.1
97 CH1 DATA CD/MD changer BUS
data input
I 0 0 0
98 MDM ON MD deck CPU control
signal
O 0 0 0
99 CH1 CLK CD/MD changer BUS
clock input
I 0 0 0
100 NC - - - - -
9.2. Display L Block
IC901 : C0HBA0000048
Pin No. Port Description I/O Volt.(V)
1-6 S1-S6 LCD Segment O 2.9
7-19 S7-S19 LCD Segment O 3
20-30 S20-S30 LCD Segment O 2.9
31-60 S31-S60 LCD Segment O 3
61 COM9(NC) - - -
62-69 COM8-COM1 LCD Common O 3
70-74 KS1-KS5 Key Data Output O 5
75 KS6(NC) - - -
76-78 KI1-KI3 Key Data Input I 0
79 KI4 Connecting to GND I 0
80 KI5 Connecting to GND I 0
81 LANDOM LED Landom LED input I 0
82 SCAN LED Scan LED input I 0
83 REP LED Repeat LED input I 0
84 LPCNT Not Used I 4.9
85 VDD +5V Power Supply - 5
86 VLCD Reference Voltage for
LCD Driver
I 7.6
87 VLCD0 Not used I 5.8
88 VLCD1 Not used I 4.4
89 VLCD2 Not used I 3
90 VLCD3 Not used I 1.8
91 VLCD4 Reference Voltage for
LCD Driver
I 0
92 VSS Connecting to GND - 0
93 TEST Connecting to GND - 0
94 OSC0 CR Oscillator I 2.8
95 OSC1 CR Oscillator I 2.5
96 INH Inhibit Input - 5
97 DO LCD Data Output O 5
98 CE LCD Chip Enable Input I 0
99 CLK LCD Clock Input I 5.1
100 DI LCD Data Input I 0
8
CQ-TX5500W