Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: DARK
PICTURE, SOUND OK.(Q 1547)
Symptom: Dark
picture, sound ok
Cause: Q1547 is
leaking
Remedy: Change this
transistor The picture-effect is the same as when a set has had a complete
data-loss.
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: ZAPPING IS
VERY SLOW.(TU101)
Symptom: Zapping is
to slow.
Cause: TU101 is
defekt
Remedy: Change this
tuner Always check your destination before changing tuner
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: DARK
PICTURE, SOUND OK.(Q 1547)
Symptom: + B
tension is 90V.
Cause: Q616 en Q617
are short and hence the +B measurement is wrong.
Remedy: Change this
2 transistors
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: ZAPPING IS
VERY SLOW.(TU101)
Symptom: Intermittanly no colour
Cause: Memory ic is
defekt.
Remedy: Change IC
072 After changing this memory ic, a complete reload of the correct data is
necessary! Therefore you
need data and a complete TRACE-system on your computer!
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: DISPLAY IS
INTERMITTENT SCROLLING OVER THE SCREEN.(IC2001)
Symptom: Display is
intermittent scrolling over the screen
Cause: IC 2001 is
defect.
Remedy: Change this
ic.
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: NO
POWER.(IC251,IC261)
Symptom: No power.
Cause: One or both
audio amplifiers are short.(IC251, IC261)
Remedy: Check and
change the defect IC. Remove PS601 and PS602 to determe if audio circuit is
in cause or not.
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: NO
PICTURE.(Q715)
Symptom: No
picture.
Cause: Q 715 on the
C board is leaking.
Remedy: Change this
transistor
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: TV
SWITCHES ON AND OFF.(IC072)
Symptom: TV
switches on and off.
Cause: Memory is
defect.
Remedy: Change
memory and restore data with our TRACE system.
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: PIN AMP
DISTORTION.(Q803)
Symptom: Pin amp
distortion
Cause: Q 803 is
short.
Remedy: Change this
component
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: SET POWERS
UP ONES.(R637).
Symptom: Set powers
on only one time.
Cause: R 637 in the
PSU is open.
Remedy: Change this
resistor.
Model: AE3,
KV-25E1A, KV-25E1B, KV-25E1D, KV-25E1E, ...
Subject: NO
PICTURE.(PS681)
Symptom: No picture
Cause: The 3.3V to
power digital modules(Q and B1) is missing PS681 is open.
Remedy: Change
PS681.
Model: AE3
Subject: NO START
UP
Symptom: NO START
UP
Cause: Q615 DEFECT
Remedy: REPLACE
Q615
Model: AE3
Subject: TV SET
SWITCHES ON AND OFF INTERMITTENTLY
Symptom: TV SET
SWITCHES ON AND OFF INTERMITTENTLY
Cause: Q002 DEFECT
Remedy: REPLACE
Q002
Model: AE3
Subject: No picture
Symptom: No picture
Cause: Bad
soldering on L304 and/or L305 on B3 board
Remedy: Resolder
L304 and L305 on B3 board
Model: AE3
Subject: Stripes in
the picture, no picture, .
Symptom: Stripes in
the picture, no picture, .
Cause: Field
memories IC04 and IC05 on B3 board defect.
Remedy: Replace
IC04 and/or IC05 on B3 board
Model: AE3
Subject: Dark
picture, sound ok
Symptom: Dark
picture, sound ok
Cause: Q1547 is
leaking
Remedy: Change this
transistor Part(s): 8-749-216-22 (Q1547)
Model: AE3
Subject: Zapping is
to slow.
Symptom: Zapping is
to slow.
Cause: TU101 is
defekt
Remedy: Change this
tuner Part(s): 1-693-315-21 (TU101)
Model: AE3
Subject: + B
tension is 90V.
Symptom: + B
tension is 90V.
Cause: Q616 en Q617
are short and hence the +B measurement is wrong.
Remedy: Change this
2 transistors Part(s): 8-729-029-56 (Q617) 8-729-030-03 (Q616
Model: AE3
Subject: Intermittanly no colour
Symptom: Intermittanly no colour
Cause: Memory ic is
defekt.
Remedy: Change IC
072 Part(s): 8-759-184-27 (IC 072)
Model: AE3
Subject: Display is
intermittanly scrolling over the screen
Symptom: Display is
intermittanly scrolling over the screen
Cause: IC 2001 is
defect.
Remedy: Change this
ic. Part(s): 8-759-248-91 (IC 2001)
Model: AE3
Subject: No power.
Symptom: No power.
Cause: One or both
audio amplifiers are short.(IC251, IC261)
Remedy: Check and
change the defect IC. Part(s): 8-759-190-89 (IC251,26)
Model: AE3
Subject: No
picture.
Symptom: No
picture.
Cause: Q 715 on the
C board is leaking.
Remedy: Change this
transistor Part(s): 8-729-173-38 (Q 715)
Model: AE3
Subject: TV
switches on and off.
Symptom: TV
switches on and off.
Cause: Memory is
defect.
Remedy: Change
memory and restore data with our TRACE system. Part(s): 8-759-184-27 (IC072)
Model: AE3
Subject: Pin amp
distortion
Symptom: Pin amp
distortion
Cause: Q 803 is
short.
Remedy: Change this
component Part(s): 8-729-931-45 (Q803)
Model: AE3
Subject: Set powers
on only one time.
Symptom: Set powers
on only one time.
Cause: R 637 in the
PSU is open.
Remedy: Change this
resistor. Part(s): 1-249-389-11 (R637)
Model: AE3
Subject: No picture
Symptom: No picture
Cause: The 3.3V to
power our digital modules(Q and B1) is missing PS681 is open.
Remedy: Change
PS681. Part(s): 1-532-637-91 (PS681)