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There are currently no product reviews.
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The purchased manual is an scan of the original Panasonic paper-based Service Manual. Unfortunately the contrast is not perfect, but I am satisfied anyway!
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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
AV-27D503
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVE THE REAR COVER
" Unplug the power plug. 1. Remove the 12 screws marked ! "as shown in Fig.2. 2. Remove the rear c over toward you. * When reinstalling the rear cover, c arefully push it inward after inserting the chassis into the rear c over groove.
REMOVING THE SPEAKER
" After removing the rear cover and chassis. 1. Remove the 4 screws marked *" *"(Fig.2.) 2. Follow the s ame steps when removing the other hand speaker.
CHECKING THE MAIN PW BOARD
1. To check the backs ide of the MAIN PW Board. (1) Pull out the chassis . (Refer to REMOVING THE CHASSIS). (2) Erect the chassis vertically so that you can easily check the backside of the MAIN PW Board. [CAUTION] � � When erecting the chassis, be careful so that there will be no contacting with other PWB. Before turning on power, make sure that the CRT earth wire and other connectors are properly connected.
REMOVING THE CHASSIS
" After removing the rear cover. the 2 claws marked # (Fig.1 and Fig.2) under the both sides of the chassis from the front cabinet. 2. Draw the chassis backward along the rail marked the arrow direc tion marked %(Fig.2.). 1. Slightly raise the both sides of the c hassis by hand and remov e
$ (Fig.1)
in
(If necess ary, take off the wire clamp, c onnector�s etc.) * When c onducting a chec k with power supplied, be sure to confirm that the CRT earth wire is c onnected to the CRT SOCKET PWB and the MAIN PWB.
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire. 2. Never remove the c able tie used for tying the wires together. Should it be inadvertently removed, be sure to tie the wires with a new c able tie. FRONT CABINET CHASSIS MAIN PWB
REMOVING THE TERMINAL BOARD
" After removing the rear cover. 1. Remove the 4 screws marked"& (Fig.2) "' . 2. When you pull out the TERMINAL BOARD, it can be removed.
REMOVING THE FRONT CONTROL PW BOARD
" After removing the rear cover and chassis.
C
1. Remove the 2 screws marked ( (Fig.2). 2. Then remove the FRONT CONTROL PWB.
REMOVING THE FRONT AV IN PW BOARD
" After removing the rear cover and chassis. 1. Remove the 2 screws marked ) (Fig.2.). 2. Then remove the FRONT AV IN PW B.
B
Fig. 1
6
No. 51946
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