Sharp XG-C430X Service Manual ▷ View online
XG-C330X/C430X
4 – 13
S-Contrast
Color
NT3.58Delay
NT4.43Delay
PALDelay
SECAMDelay
Color
NT3.58Delay
NT4.43Delay
PALDelay
SECAMDelay
Adjust Video image
PEDESTAL
R-Bright
G-Bright
B-Bright
R-Contrast
G-Contrast
B-Contrast
G-Bright
B-Bright
R-Contrast
G-Contrast
B-Contrast
Version Check
VERSION
Build
BootCode
Config
RomCode
GUI
LAN
BootCode
Config
RomCode
GUI
LAN
Initial setting
SS
SS2
SS3 EU
SS4 US
SS5 JPN
SS6 CHIN
SS3 EU
SS4 US
SS5 JPN
SS6 CHIN
Sensor check
TEMP
Temp1
Temp2
Temp3
Temp2
Temp3
Lamp Timer check
LAMP
Current time
History 1
History 2
History 3
History 4
TOTAL TIME
History 1
History 2
History 3
History 4
TOTAL TIME
Process mode
LINE
OFF
LED CHECK
Calibration
K-Sensor
V-Size
Fan-mode
Nfan-Normal
LED CHECK
Calibration
K-Sensor
V-Size
Fan-mode
Nfan-Normal
Group
Sub Group
Subject
XG-C330X/C430X
5 – 1
XG-C330X
Service Manual
CHAPTER 5.
TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE
Checking the basic operation
Does the power LED light up or
flash in red or green?
flash in red or green?
NO
Has P1704 come off or is it
loose?
loose?
YES
Fully insert the connector.
YES
Does the set function with its keys
or the remote controller?
or the remote controller?
NO
Go to "Main PWB check".
YES
Lamp does not turn on or it turns
off in a short time.
off in a short time.
YES
Go to "Lamp fails to light-up".
NO
Colors are not display correctly.
YES
Has P1101, P1201 or P1301
come off or is it loose?
come off or is it loose?
YES
Fully insert the connector.
NO
Are RGB and component input
displayed normally?
displayed normally?
NO
Go to "RGB and component sig-
nal check".
nal check".
YES
Is VIDEO input displayed nor-
mally?
mally?
NO
Go to "VIDEO input check".
YES
Is S-VIDEO input displayed nor-
mally?
mally?
NO
Go to "S-VIDEO input check".
YES
Does the LAN function?
NO
Go to “checking the LAN”.
YES
END
XG-C330X/C430X
5 – 2
Main PWB check
Is 6 V applied to TL1711, 13 V to
TL1712 and 17V to TL1727?
TL1712 and 17V to TL1727?
NO
Go to "Power supply ballast PWB check".
YES
Is approx. 6 V applied to TL1709?
NO
Check IC1710 and peripheral circuits.
YES
Is 1.5 V applied to TL1705?
NO
Check IC1706 and peripheral circuits.
YES
Is 3.3 V applied to TL1706?
NO
Check IC1704 and peripheral circuits.
YES
Is 2.5 V applied to TL1704?
NO
Check IC1702 and peripheral circuits.
YES
Is 5 V applied to TL1708?
NO
Check IC1707 and peripheral circuits.
YES
Is 3.3 V applied to TL1703?
NO
Check IC1708 and peripheral circuits.
YES
Is 15.5 V applied to TL1707?
NO
Check IC1705 and peripheral circuits.
YES
Is5 V applied to TL1701?
NO
Check IC1701 and peripheral circuits.
YES
Is 3.3V applied to TL1702?
NO
Check IC1703 and peripheral circuits.
YES
Is 5.4V applied to TL2075?
NO
Check IC2001 and peripheral circuits.
YES
Is 3.3 V applied to pin(2) of S2701?
NO
Check that it is set to the NORMAL side.
Or remove S2701.
Or remove S2701.
YES
Is rectangular wave of 14.318 MHz
sent to X2003 pin(3)?
sent to X2003 pin(3)?
NO
Check X2003 and peripheral circuits.
YES
Is rectangular wave of 48 MHz sent
to X2201 pin(3)?
to X2201 pin(3)?
NO
Check X2201 and peripheral circuits.
YES
Check IC2001, IC2201, IC2202 and
peripheral circuits.
peripheral circuits.
XG-C330X/C430X
5 – 3
Lamp fails to light-up
Turn on the power switch.Is
dischargeing sound heard
from lamp?
dischargeing sound heard
from lamp?
YES
Is the lamp out of socket?
YES
Reconnect the lamp into
socket.
socket.
NO
NO
Repalce the lamp.
Is the ballast cooling fan
runnning?
runnning?
NO
Check the power supply cir-
cuits.
cuits.
YES
Is the DC voltage of 380V
applied to pin(1) of P702 con-
nector?
applied to pin(1) of P702 con-
nector?
NO
Check the power supply cir-
cuits.
cuits.
YES
Is LOW LEVEL voltage
applied between pins(3) and
(4) of Main's P1702 connec-
tor?
applied between pins(3) and
(4) of Main's P1702 connec-
tor?
NO
Is the P1702 connector dis-
connect?
connect?
NO
Check the microprocessor
and its peripheral circuits.
and its peripheral circuits.
YES
YES
Replace the ballast.
Reconnect it into socket cor-
rectly.
rectly.
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