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Easy and secure way to get a complete service manual of a vintage hifi component. Only some parts of the print copy are dificult to read. Nice price!
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The manual is an excellent reproduction with complete schematics, made troubleshooting and repair a simple process.
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Up to now you are the BEST! Prompt-efficient and so reasonable ! I have been after SONY service manual for quite some time !Thank you very much ! I can recomend your service to
all my collegagues ! V.Bergfield .
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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
AV-21BT8ENS AV-21BT8ENB AV-21BT8EPS AV-21BT8EPB AV-21BT8EES AV-21BT8EEB AV-21BT80EP
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power c ord. 2. Remove the 5 screws marked A as shown in the Fig. 1. 3. Withdraw the rear cover toward you.
CHECKING THE PW BOARD
To check the back side of the PW Board. 1) Pull out the PW Board. (Refer to REMOVING THE MAIN PWB). 2) Erect the PW Board vertic ally so that you c an easily check the back side of the PW Board. [CAUTION] " When erecting the PW Board, be c areful so that there will be no contacting with other PW Board. " Before turning on power, make sure that the wire connector is properly connec ted. " When conducting a check with power supplied, be sure to c onfirm that the CRT EARTH WIRE (BRAIDED ASS�Y) is connected to the CRT SOCKET PW board.
REMOVING THE MAIN PWB
" Removing the rear cover. 1. Slightly raise the both sides of the chassis by hand and withdraw the MAIN PWB backward. (If necess ary, take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
" Removing the rear cover. 1. Remove the 4 screws marked B, and remove speaker as s hown in Fig. 1. 2. Remove the speaker.
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.
REMOVING THE FRONT AV PWB
" Removing the rear cover. " Removing the MAIN PWB. 1. Remove the 2 screws marked C. 2. Remove the FRONT AV PWB.
REMOVING THE HEADPHONE PWB
" Removing the rear cover. " Removing the MAIN PWB. 1. Remove the 1 screw marked D. 2. Remove the HEADPHONE PWB.
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No.52054
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