70
CIRCUIT DESCRIPTION
(6) and sent to the Signal PWB into the V Mute Circuit. See the Audio Video Mute Circuit Signal Path
Explanation and Diagram for more details.
ZP94/95 MEMORY INITIALIZATION PROCEDURE
(EEPROM RESET)
Disconnect Power to Television.
Remove the Back Cover.
Remove the two screws holding the Main chassis to the Cabinet if necessary.
Disconnect wiring harness clips to free up the chassis if necessary.
Reconnect Power to the Television and turn the set ON.
Locate PP1 and add a jumper between pins 1 and 2 of the PP1 connector as shown below.
Hold jumper in place for 5 seconds. (A beep will NOT be heard).
Remove the jumper.
Confirm EEPROM reset, Input source is now set to Air and not to Cable 1 or 2. No Child
Lock, and only channels 2 through 13 are in memory.
Reassemble Chassis and reinstall PTV back. Set is now ready to operate.
NOTE: All customers Auto Programming and Set-Ups are returned to factory settings.
WARNING:
This should only be done in extreme cases. I2C Data will be reset as well. Be sure and write
down all data values before continuing.
I001
MicroProcessor
CLOCK
KEY-IN1
7
20
1
2
PP1
Connector
Jumper
R100
R0C5
D024
