- 24 -
Does the static convergence
correct?
Check the input voltage at
P201.
Check pulse pin 125
of IC2051 (4MHz)
Check/Replace
IC2051
Check/Replace
IC2002
Check
H
BLK
,V
BLK
on
the DEF PCB
Check V
BLK
,H
BLK
at pin
2,4 of P404.
Check voltage on the
SMPS PCB
Readjust static convergence
by remote controller
Incorrect Dynamic
Normal
Incorrect Static
Abnormal
Abnormal
Y
Y
No
Are there pulse signal
at pin 121 of IC2051
Are there V
BLK
, H
BLK
pulse
at pin 3,4 of P404.
Check V
BLK
, H
BLK
signal on the
DEF PCB
Check/Replace
IC2051
Check/Repla
ce Q2201
O.K
Not controlled
Controlled
Normal
Abnormal
Abnormal
Normal
9.INCORRECT CONVERGENCE
Summary of Contents for PT-43
Page 28: ... 28 PRINTED CIRCUIT BOARD SIGNAL ...
Page 30: ... 30 MAIN2 DEF ...
Page 32: ... 32 SMPS POWER SWITCH PRE AMP ...
Page 33: ... 33 CPT CONV OUT ...
Page 34: ... 34 PIP SIDE AV CONTROL ...
Page 35: ... 35 VM TOP VM BOTTOM ...
Page 36: ... 36 LG CONVERGENCE TOP LG CONVERGENCE BOTTOM ...
Page 37: ... 37 SGS THOMSON CONVERGENCE TOP SGS THOMSON CONVERGENCE BOTTOM ...
Page 38: ... 38 AV TOP AV BOTTOM ...
Page 66: ...P NO 3854VA80A MAIN1 VFD PIP DATE 2000 11 30 ...
Page 67: ...P NO 3854VA80B SMPS DEF CPT VM DATE 2000 11 30 ...
Page 68: ......