Panasonic PT-RS30K Service Manual page 61

SECTION 1 SERVICE INFORMATION
■ No picture or abnormal picture is output
Is a menu screen displayed ?
Check connection of each connector.
Check the input image other than solid black image.
No image with VIDEO input.
No image with Y/C input.
Is the test pattern displayed?
OK
No image with RGB1 input.
No image with RGB2 input.
No image with DVI-D input.
No image with HDMI input.
No image with DIGITAL LINK input.
No image with SDI1 input.
No image with SDI2 input.
j
No image is displayed
Check the signal waveform at pin 20 of connector [A2] (ADG_
A
LVDSL_CKP).
Check the voltage (3.3V) at pin 107 of connector [A2]
A
(PWRGOOD2).
Check the voltage (3.3V) at pin 106 of connector [A2] (FM_RE-
A
SET).
Follow the section "DG/FM-P.C.Board operation check"
OK
OK
OK
OK
OK
NG
j
NG
Connect the cables firmly.
NG
Follow the section "VIDEO input check"
NG
Follow the section "Y/C input check"
NG
A Check IC3058 and peripheral circuit.
NG
Follow the section "RGB1 input check"
NG
Follow the section "RGB2 input check"
NG
Follow the section "DVI-D input check"
NG
Follow the section "HDMI input check"
NG
Follow the section "DIGITAL LINK input check"
NG
Follow the section "SDI1 input check"
NG
Follow the section "SDI2 input check"
NG
Follow the section "A-P.C.Board operation check"
NG Check IC3501 (Main CPU) and IC3515 (AND gate) and periph-
eral circuit, or replace [PF]/[PB]-P.C.Board.
NG
Follow the section "Main microprocessor operation check"
INF-51
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