Thanks you very much for this "hard to find" service manual.
Will help a lot in repairing this receiver.
Text excerpt from page 1 (click to view)
AV-56WP30
SERVICE MANUAL
REAR PROJECTION TELEVISION
BASIC CHASSIS
AV-56WP30/B
Supplementary
SB2
The following item for the AV-56WP30/B model was changed partly from AV-56WP30/A model. Therefore, this service manual describes only the items which differ from those of the AV-56WP30/A service manual. For details other than those described in this manual, please refer to the AV-56WP30 model service manual (No.52007, Jun. 2002) and AV-56WP30/A (No.52007B, Jul. 2002).
â� OUTLINE
Since the R/G/B CRT ASS�Ys were changed, we have issued the SERVICE MANUAL for AV-56WP30/B.
â� HOW TO IDENTIFY MODELS
A suffix �B� is added to the serial No. after at the rating label.
AV-56WP30