Read Sharp 51DS-05H (serv.man32) Technical Bulletin online
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference SP84402X
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV981203
Month of Issue: December 1998
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 2
MODELS
51DS02H
51DS03H
51DS05H
REASON
During production the CRT type has been changed from a Philips to Thomson type.
When replacing the CRT, follow the instructions below, depending on the type fitted.
ACTION
When replacing a Philips CRT with a Thomson one follow the procedure below.
1. Replace CRT (refer to diagrams on page two).
2. Remove C609.
3. Replace C611 with a 390nF, 5% 200V capacitor.
4. Replace the deflection yoke wire (QCNW-2621BMZZ).
5. Replace R616 with a 0.47R, 5% 1W resistor. 6. Replace R822 with a 10k, 5%
2. Remove C609.
3. Replace C611 with a 390nF, 5% 200V capacitor.
4. Replace the deflection yoke wire (QCNW-2621BMZZ).
5. Replace R616 with a 0.47R, 5% 1W resistor. 6. Replace R822 with a 10k, 5%
0.5W resistor.
When replacing a Thomson CRT with a Philips one, the oposite of the above must be
done.
done.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
VB
Thomson Videocolor CRT
VB51EFS8391*N
CF
R616
Resistor 0.47R, 1W
VRN-VV3ABR47J
AA
C611
Capacitor 390nF, 200V
RC-FZ6394BMNJ
AD
(F)
Deflection yoke wire
QCNW-2621BMZZ
AE
R822
Resistor 10k, 0.5W
VRD-RA2HD103J
AA
Sharp Electronics (UK) Limited
Originator AvW Supervisor Approval Date / / Reference SP84402X
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV981203
Month of Issue: December 1998
Classification:
White
TELEVISION TECHNICAL BULLETIN
Page 2 of 2
5 4 3 2
4 3 2 5
Yellow Orange Red Green
V2 H2 H1
V1
Green Yellow Red
Orange
Orange
V1 V2 F2 F1
FIG. 2.
Philips
CRT
CRT
Thomson
CRT
CRT
Display
