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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 !
VIII
S-TIC
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ERRORS:
RSA 440:
On all four IC's @PC 1298V), pin 15 and 16 locations are interchanged (rnismarked) on the schematic. On two of the pPC 1298V IC's, (channels one and two only), pins 13 and 11 are connected. Q3,Q28,Q53 and 478 are not the 2N4401 transistor as the schematic im lies, they are an M P S A12 (an NPN Darlington). A static test should show a di e junction from Base to Collector, " + " probe on Base. The input IC U2 on the schematic is labeled LM 833 when actually it is the LM 837N.
d
RSA 450
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Some versions R164 is not used; @ms 2 & 3 on IC 151 are connected by C152). Some versions ZD152 is not used. Some versions R152 is 36KQ (instead of 33K on the schematic). The positive lead for R195 is not connected directly to the positive lead of the as the schematic depicts; instead it is connected to the junction of k%D151.
NOTE: These output transistors are k. equivalent:
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