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® Sony Service Company National Technical Services A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656

CONFIDENTIAL
Service Bulletin Computer Monitors
No.

CSI-111

Model:

CPD-200ES

257

Subject: Q507, H. Out; Replacement Part Compatibility Symptom: (1111)

Date: July 8, 1999

Two different device types have been used for Q507, Horiz. Output transistor in this model. Either transistor type can be used for replacement as long as R506 and R508 are compatible. Use the instructions below to determine the correct replacement part to use for Q507. The Case 1 and Case 2 Tables below list the (2) Q507 types with the compatible R506 and R508 values. If the Horiz. Output transistor is faulty and requires replacement, then please use the following directions to determine the correct replacement parts. Refer to the following illustration to locate Q507, R506, and R508 on the D Board. 1. Access the D Board and check the type of Q507 installed. 2. If the original type Q507 is available, then replace Q507 with the same type of transistor as the original type. Use the following tables for the part numbers to use in ordering. 3. If the original type Q507 is not available, then use the other type Q507. Replace R506 and R508 with the parts listed for the same Case No. as for the new Q507 type used.

Solution:

CASE 1 COMPATIBLE PARTS REF Q507 R506 R508 DESCRIPTION TRANS BU2522AX 1.8 3W 1.8 3W PART NUMBER 8-729-041-29 1-216-392-11 1-216-392-11

CASE 2 COMPATIBLE PARTS REF Q507 R506 R508 DESCRIPTION TRANS 2SC5129 1.5 3W 1.5 3W PART NUMBER 8-729-030-67 1-216-391-11 1-216-391-11

CONT.

Reference: TM DPCD99-009; J. Grose

PRINTED IN USA

Computer Monitors Service Bulletin No.257

Q507, R506, & R508 LOCATIONS

D BOARD COMPONENT SIDE

Q507

R508

R506

4. Reassemble the unit and check for correct picture operation at all Preset Timing Modes. 5. 6. Adjust the picture geometry set up at all the Preset Timing Modes as required. Please keep this Service Bulletin with the Service Manual.

The replacement instructions are completed.