Samsung AN17HS - Page 12

5-1-12 V Size or Pos. Variation Failure
5 Troubleshooting
IC401 Pi 23 output varies with No
different DAC values?
Yous
Chock and replace 1401 and i301
5-1-13 High Voltage Failure
Check parts around 1C401 7
Chieck bias voltage.
athena angie ete
ii a ie ae ea
<O 0590 gate ‘iivieaalse No
exist? The waveform is me oa)
Check +12 Vine.
WAVEFORMS ~
Cheek and replace
0502, 0503, R511, C501. Ed 0540, Gate
Yes
Are there valtag No ?
(350V, 3OV, -210V, ete) ————| Check and replace 0508, D509, 0530.
Sat seoondary part o FBT? = =
Yos
| Dane
ANI7HS/ANI7IS/
ANISMS/AN19IS/AN1SMT
a ~
5 Troubleshvoting
5-1-14 ABL Failure
laput full white patter
Check and replace 10102.
rd ~
10102 Pin22 input exists utd :
varies with different patittis? -
Check and replace 1501.
< 7501 Pui G Ve Fs |
ce Bd °
aa SR LOPES Be =
Cheek parts around tC
5-1-15 Focus Failure
pe es
1C404 Pins 32 and 0577
<R output are comet?
aS
Check and replace IC401.
Yus
Pan PT EEN
Sc
Replace faited part.
Some patts around OS.
S-corteetion cheuit and ~>
Q540 are correct? yee
“® Some parts arouuid
T501 are correct?
Replace failed part.
Sete ee ee
Cheek the connection bety ‘
Pin 13, CRT sueket PCS
58
6577, 60v
CHIP-P= 220V CHT RMS = 2.776V
FE) T5901, #13
ChYPP=SBOV CHIRMS = 27B2V
ANT7HS/AN17IS/
ANTSMS/AN191S/ANTSMT