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CONFIDENTIAL CSV-1
Sony Service Company
National Technical Services Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 TV Products
Model: VPL-W400Q No. 466
Subject: RM-JM500 Remote Freeze Date: February 2, 2000
Symptom:
(1151) When the remote controller RM-PJM500 is wired using a stereo mini-jack cable, the
remote controller sometimes may not operate.
Note: This symptom does not occur when the remote is used in a wireless or
monaural configuration.
Serial Number Range Affected
2,000,001-2,002,640
Solution: If the customer should complain of this symptom then perform the following:
To correct this condition, solder additional Zener diodes to the remote controller
board.
1. Remove battery cover in direction of arrow shown in Figure 1.
2. Remove screws securing bottom cover.
Fig1
Reference: SB B&P 301998-274 PRINTED IN USA
TV Products Service Bulletin No. 466
3. Slide bottom cover in direction of arrow in Figure 2, and remove cover to
access remote controller board as shown in Figure 3.
Fig 2
4. Solder cathode of Zener diode to K of diode D12, and solder anode of Zener
diode to negative polarity of capacitor C4, as shown in Figure 3, inset.
5. Apply RTV to secure Zener diode to board as shown.
Description Part Number Qty.
RD5.6ESB1 (NEC) 8-719-109-88 1
RD 5.6ESB2 8-719-109-89 1
(NEC)