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INF-29
SECTION 1 SERVICE INFORMATION
■ No picture or abnormal picture is output
Confirm each cable connection
Connect the cables securely
Confirm the below with a signal other than all black pattern.
No picture with VIDEO input
Follow the section "VIDEO input check"
No picture with RGB1 input
Follow the section "RGB1 input check"
No picture with RGB2 input
Follow the section "RGB2 input check"
No picture with HDMI1 input
Follow the section "HDMI1 input check"
No picture with HDMI2 input
Follow the section "HDMI2 input check"
No picture with DIGITAL LINK input
Follow the section "DIGITAL LINK input check"
No picture with all of inputs
(3)
OK
A
Check each power supply voltage of microprocessor &
Scale IC(IC301), FPGA(IC401),
Only for WUXGA series: Gamma IC (IC510), panel driver
IC(IC521,IC531,IC561)
Only for WXGA /XGA series: Gamma IC (IC501), panel driver
IC(IC561)
Scale IC(IC301), FPGA(IC401),
Only for WUXGA series: Gamma IC (IC510), panel driver
IC(IC521,IC531,IC561)
Only for WXGA /XGA series: Gamma IC (IC501), panel driver
IC(IC561)
NG
A
Only for WUXGA series: Check IC7831, IC8351, IC8371,
IC5831, IC5861, IC5851, IC513 - IC515 and peripheral
circuits
Only for WXGA /XGA series: Check IC5831,IC5861,IC585
1,IC414,IC431,IC421,IC582,IC401 and peripheral circuits
IC5831, IC5861, IC5851, IC513 - IC515 and peripheral
circuits
Only for WXGA /XGA series: Check IC5831,IC5861,IC585
1,IC414,IC431,IC421,IC582,IC401 and peripheral circuits
A
Check the waveform (Input clock) at R2371 of IC2301
(Only for WUXGA series)
(Only for WUXGA series)
NG
A
Check IC2301 and peripheral circuit
A
Only for WUXGA series:
Check the waveform
at IC521, IC531, IC561(SH IC)
R5264, R5226, R5227 (R)
Check the waveform
at IC521, IC531, IC561(SH IC)
R5264, R5226, R5227 (R)
R5629, R5622, R5645 (G)
R5320, R5304, R5300 (B)
NG
A
Only for WUXGA series:
Check IC521, IC531, IC561 (SH IC) and peripheral circuit
Only for WXGA /XGA series:
Check IC561 (SH IC) and peripheral circuit
Check IC521, IC531, IC561 (SH IC) and peripheral circuit
Only for WXGA /XGA series:
Check IC561 (SH IC) and peripheral circuit
A
Check the waveform (Display output clock) at R2459 of
IC301(Resize&Micon)
NG
A
Check IC538,IC528,IC529,IC533,IC562,IC522,IC2306,
IC2304,IC2305,IC301 and peripheral circuit
IC2304,IC2305,IC301 and peripheral circuit
A
Only for WUXGA series: Check the input clock at R5161 of
IC510(Gamma IC)
Only for WXGA /XGA series: Check the input clock at R413 of
IC501(Gamma IC)
IC510(Gamma IC)
Only for WXGA /XGA series: Check the input clock at R413 of
IC501(Gamma IC)
NG
A
Only for WUXGA series: Check IC510 and peripheral
circuit
Only for WXGA /XGA series:Check IC501 and peripheral
circuit
circuit
Only for WXGA /XGA series:Check IC501 and peripheral
circuit
A
Check the connection of connectors [K5R], [K5G], [K5B]
NG
A
Connect the connectors securely
A
Replace [A] P.C.Board
OK
OK
OK
OK
OK
OK
Only for WXGA /XGA series:
Check the waveform
at IC561(SH IC)
R574,R586 (R)
Check the waveform
at IC561(SH IC)
R574,R586 (R)
R495,R588 (G)
R507,R400 (B)
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