2-4
EP757
SERVICE MANUAL
Introduction
Fundamental Principle
Mechanical Construction Procedure of Disassembly Function of Boards Specifications
Troubleshooting Function Test and Alignment Procedure Firmware Upgrading Procedure DDC Key-In Procedure Appendix
2-1.2 Thermal Board Block Diagram
THERMAL BOARD Interface
FAN 1-4
THERMAL
SWITCH
THERMAL
SENSOR
LM75
MAIN
BOARD
KEY PAD
20P Connector to
Formatter Board
16P Connector
3P Connector *4
2P Connector
4P Connector *2
STB
ECON
KEY 7PIN
ERR_OUT
LAMPMISS
POWER 15V, 5VA
STANDBY
ERR_OUT
IR_ON