Service ManualModel No.:- 09 -3-2-1 Function Description:Main BoardProcess signal which incept from exterior equipment then translate into signal that panelcan display.&RQQHFWRUGH¿QLWLRQMain board connectorKeypad andremote connector (CN203)Pin number Signal name Description1 LED_R LAMP RED2 LED_G LAMP GREEN34 IR REMOTE CONTROL5 GND GND6 5V POWER FOR REMOTEKEY1KEY0GND78910NCSTANDBYSpeaker connector (CN204)Pin number Signal name Description1 RSPK+ RSPK+2 RSPK- RSPK-3 LSPK- LSPK-4 LSPK+ LSPK+
