Sanyo PLC-XF46N Service Manual

Also see for PLC-XF46E: Owner's manual Specifications Owner's manual

- 53 -Check the CG_MOTHER Board. Check the Vcc voltages.S9V / S6V (Always)9V / 5VB / -5V (Switched)Check the signal lines.IC9031BUFFER<74VCX16821>IC9041BUFFER<74VCX2374>IC9032BUFFER<74VCX16821>IC9033BUFFER<74VCX16821>IC9001SYNC SW<4052>IC9005BUFFERIC9017IC9016IC9006RGB SWIC9021I/O EXPANDERM-IDB1/2/3/4M-IDA1/2/3/4 SLOT TYPEDETECTORIC9014DIFCLKSELECTORDIF CLK1/2/3/4IC9013SLOT ON SW<4052>SLOT2 R/G/BSLOT1 R/G/BIC9007RGB SWSLOT4 R/G/BSLOT3 R/G/BIC9002AUDIO SW<4052>SLOT4 AUDIO_L/RSLOT3 AUDIO_L/RSLOT2 AUDIO_L/RSLOT1 AUDIO_L/RSLOT_SEL1/SEL2SLOT_SEL1/SEL2BRGSLOT TYPEDETECTORSLOT IDIIC_SCL/SDAHS / VSSLOT1/2/3/4 H/VC_SYNCCS1/2/3/4SLOT1/2/3/4 ONH/V_SYNCSLOT_SEL1/SEL2BBGBRBBAGARADIF CLKDIF DEDIF SCDT/H/VDIF DEDIF SCDT/H/VIC9022I/O EXPANDERSLOT1/2/3/4_IDM-IDC1/2/3/4AUDIO_L/RK90FK90EK90DK90CBGRBGRTO MAIN BOARD "K32A" TO MAIN BOARD "K32B" "K2R"K90KK90LK90M"K2G" "K2B" TO MAIN BOARD "K8A"K90A K90BSLOT1SLOT2SLOT4SLOT3TO MAIN BOARDK90Q● No Picture■ Troubleshooting