-55-Chassis Block DiagramsIC301SYSTEM CONTROLCHO_RXDFAN_ERRBLAST_ACIC9885SUB-CPU5V1.0VS6VIC5081D5622/D5623/D5624D3606D3601LINE FILTERBOARDLAMPBALLAST1 455 41X2K8H 1 3K8SK6DX1K6CK6ABLAMPAC CORDK6R K8RPOWERMAINIC621P.F.CONTROL6518432911781025510114T651D662D661D663Q661PC671 Power-On:HPower-On:HP-Fail:HLAMP_DET(Power-On:L) LAMP_SW(Power-On:L)P-Fail:LPower_on:HPC663PC661IC631POWER OSC.FeedbackS6VS16VON_150VLAMP_DC_ONIC4891NANDS6VS16V12569IC8831TEMP. SENSOR3(LAMP) (PANEL) (OUT SIDE)IC8821TEMP. SENSOR2 IC4831TEMP. SENSOR1LAMP_DET2962842LAMPDC_ON8926293,212 SCL0SDA0IC9882INVERTERSW901S16VFAN_A Q7812D3613D5703/D57041112IC56211.8V_PW2.5V_PW IC58411.8VS3.3V_ALL3.3VA_PW3.3VD_PW3.3V-1S3.3V_MCUIC5861 IC506115V_PWLON_50VFAN_CON_AFAN_B Q7862IC7811IC592D361412V IC5542D3602/D3611FAN_CON_BON_33V3.3V Q3582Q5751Q5752ON_33VON_50VLF601SW902Thermal SWLamp Cover SWD3615FAN_C IC7841Power-On:HPOWER_SWP_FAILPOWER_SWIC5821Power supply & protection circuit
