Read Sharp LC-37GA9EK (serv.man46) Technical Bulletin online
LCD 2006 06 01
Date of Issue: 5
th
July 2006
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference - SP061601X
Revision - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
MODELS
LC32GA9EK
LC37GA9EK
SYMPTOM No picture.
CAUSE
Failure of IC1705.
ACTION
Carry out the following circuit change.
1. Remove C2311 from the Main PWB as shown on page 2.
2. Remove C2313 from the Main PWB as shown on page 2.
3. Replace IC1705.
4. Verify that there is no short circuit between the LCD +5V and ground while moving
2. Remove C2313 from the Main PWB as shown on page 2.
3. Replace IC1705.
4. Verify that there is no short circuit between the LCD +5V and ground while moving
the LV Wire. If a short circuit appears, change the LV Wire.
Note:
When the unit is turned on, measure the LCD +5V (see Figure 2 for a convenient
measuring point). It this voltage is less than +5VDC, then IC1705 is defective and
needs to be replaced.
When the unit is turned on, measure the LCD +5V (see Figure 2 for a convenient
measuring point). It this voltage is less than +5VDC, then IC1705 is defective and
needs to be replaced.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
IC1705
IC, SSM6J51TU
VSSSM6J51TU-1Y
AF
LV Wire
Wire
QCNW-E237WJPZ
BA
LCD 2006 06 01
Date of Issue: 5
th
July 2006
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference - SP061601X
Revision - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
Red – Carry out on all units
Display
