Read Sharp 37EM-33H (serv.man17) Technical Bulletin online
Sharp Electronics (UK) Limited
Reference SP81701X
Revision 2
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV980606
Month of Issue: June 1998
Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
37DM23H
37DT25H
37EM33H
REASON
During manufacture, the CRT type fitted to the above models has been changed from
a Philips to an Orion type.
a Philips to an Orion type.
ACTION
When replaceing the Philips CRT with an Orion type, carry out the following circuit
improvement.
improvement.
1. On the component side of the PWB, replace C601 with a 6.8nF, 1.5kV capacitor.
2. On the component side of the PWB, replace C602 with a 820pF, 2kV capacitor.
3. On the component sied of the PWB, replace C606 with a 330nF, 250V, 5%
2. On the component side of the PWB, replace C602 with a 820pF, 2kV capacitor.
3. On the component sied of the PWB, replace C606 with a 330nF, 250V, 5%
capacitor.
4. On the component side of the PWB, replace R609 with a 0.47R, 1W, 5% resistor.
5. On the print side of the PWB, replace C607 with a 150pF, 50V SMD capacitor.
5. On the print side of the PWB, replace C607 with a 150pF, 50V SMD capacitor.
Please use the part numbers given below.
When changing an orion CRT for a Philips type, the original parts as per the service
manual must be used.
manual must be used.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
CRT
Orion CRT
VB34JLL8057*N
BZ
C601
Capacitor 6.8nF, 1.5kV
RC-FZ0135BMZZ
AE
C602
Capacitor 820pF, 2kV
RC-KZ0040CEZZ
AD
C606
Capacitor 330nF, 250V
RC-FZ6334BMNJ
AE
C607
SMD capacitor 150pF
VCCCTV1HH151J
AA
R609
Resistor 0.47R, 1W
VRN-VV3ABR47J
AA
Display
