U8
SAA7117: The SAA7117(A)E/H is a consequent derivate of SAA7118 X-VIP
multistandard video decoder. In addition to its predecessor, it provides 10 bit A/D-
conversion, enhanced PAL/NTSC comb filtering, more versatile VBI data processing,support
of High Definition component video, picture improvement processing, and more robustness
with VCR-type signals.
B: Debug flow-chart
AC
ON
Power board: NO
S5V FOUND
Initialization:
YES
Power failure
Non integrity
GOOD
Whether alternating current
input
System Reset
Power On
+9V +12V +5V
+2.5V +3.3V +1.8V
FOUND
*Repair power board.
*Replace fuse.
*Check dc-dc circuit
and LDO circuit.
SvpEx Reset
Svpex E0 Good
SvpEx E0 error
*SvpEx no ack.
* SvpEx communicate with
MCU was wrong.
InitAppHas Accomplish
PICTURE DISPLAY
*Vs on
+60 +190 FOUND
*
SvpEx communicate with
DDR was wrong.
Summary of Contents for HLH26BB
Page 1: ...SERVICE MANUAL FOR LCD TV HLH26BB HLH32BB HLH37BB TV 8888 47 ...
Page 5: ...5 Connection sketch interpretation ...
Page 6: ......
Page 7: ...BLOCK DIAGRAM ...
Page 8: ......
Page 9: ...6 Circuit diagram ...
Page 38: ...Sincere forever ...