66
HDMI B'D aw
OK
OK
Input
CVBS/S/COMPONENT
C
Check input signal of VIDEO DECODER 
(U1100).
HDMI B'D
  V  :  L4920
  S-Y  :  L4924
  S-C  :  L4925
 COMPONENT-Y  :  L4923
 COMPONENT-Cb :  L4922
 COMPONENT-Cr :  L4921
Check output signal from VIDEO 
DECODER(U2001).
HDMI B'D
 COMPONENT-Y  :  L4919
 COMPONENT-Cb :  L4918
 COMPONENT-Cr :  L4917
Check signal detection.
HDMI B'D
  V_L4903 :  H(+3.3V)
  S_L4904 :  H(+3.3V)
 
COMPONENT_L4902
 :  H(+3.3V)
Input CVBS  :  to A
Input S  :  to B
Input COPONENT  :  to D
NG
NG
HDMI OUT : NG
COMPONENT OUT : NG
NG
b
  Unless specied, VIDEO B'd part.
Check FRONT CONNECTOR B'D 
aw, and connection of FRONT 
CONNECTOR B'D or HDMI B'D 
and VIDEO B'D.
To troubleshooting 3.HDMI/DVI.
Check output of selector (U2003).
 COMPONENT-Y  :  JV94
 COMPONENT-Cb :  JV169
 COMPONENT-Cr :  JV107
Check cable between main unit and 
monitor or check monitor.
Check FRONT CONNECTOR B'D 
aw, and connection of FRONT 
CONNECTOR B'D or HDMI B'D 
and VIDEO B'D.
Extend HDMI B'D using a jig. 
Check soldering of U2003.
OK
OK
OK
Check input of selector (U2003).
 COMPONENT-Y  :  JV25 
COMPONENT-Cb :  JV184 
COMPONENT-Cr :  JV185
NG
NG