At 32-Gray Scale Pattern, Color Lost In Some Scale; Chapter 7- Recommended Part List - Dell 1909Wf Service Manual

Service Manual

6.At 32-gray scale pattern, color lost in some scale

Color lost in some scale at 32-gray scale pattern
Re-insert the FFC Cable
Change FFC Cable
Check crystal circuit, if the wave of 14.318MHz
signal is normal change U105 else change X101

Chapter 7- RECOMMENDED PART LIST

1909Wf SFF AIO Critical Parts List
Component Component
Itm Category Type Location Supplier number
Power
1 Function Control IC U850 LEADTREND 412000453820R LD7575PS
Inverter
2 Function Control IC U1 O2 412000637630R INL836GN
3
Function Regulator U880 FAIRCHILD, 412000638240R KA278R12CTU
LI SHIN
DARFON
Inverter
4 Safety T1 426000090600R
Transformer
FOXCONN
HUALON
FRONTIER,
Power
5 Safety T850 FOXCONN 426000091220R
Transformer
LI SHIN
MEIKAI,
SAMXON
Aluminium.
6 Safety Electrolytic C854 420271014581R
ELITE
CAP.
SU'SCON
U103,
7 Performance EEPROM CATALYST 412000480990R CAT24FC02WI-TE13
U201
39
OK,
END
NO
OK,
END
NO
END
Suppiler PN Object description
IC LD7575PS SOP8(LEADTREND) RoHS
IC INL836GN SOIC8(O2 MICRO) ROHS
IC KA278R12CTU TO-220F-4L(Fairchild)ROH
IFK5007HL
TK.2034.M.101
XFMR SW,DIP EEL19 SPW-060,RoHS
2MVLA1905-007A
TLT-2008
SRH2801-26-LFR
XFMR SW ERL28 TP4 550uH SPW-122
2MWWA2834-009A
ROHS
PFK8019EL
BCK-2838
ERT107M2WL40PB□□P
SE 100UF/450V M,105℃ CF 18X40ROHS(BLA)
PVZW101MSG1840R
SE450M101K40T022ZCCR
IC CAT24C02WI-TE13 SOIC-8(CATALYST)RoHS EEPRO
Purpose
PWM Co
for Powe
PWM Co
for Inver
DC 12.5
Audio D
High
transform
for CCF
Transfer
AC220V
to
DC16V/
Filter
voltage