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TV repair

SONY AE3 chassis

CHASSIS - TV  - MODEL

   

SONY chassis
AE1  AE1A  AE1B  AE1C
AE2
AE3
AE4
AE5
AE6
BE2
BE3
BE4  BE5
FE1  FE2
GE1
 
 
Vestel
11AK30
11AK36
 
 
TV CHASSIS CHINA MODEL
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 

 

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)

 

 

 
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