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This manual was exactly what i needed and could not find elsewhere. Price is not too high. Great !
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ecelent I was reciver the service manual soon I fell so happy very complete 100% positive all by this store tanks atte Luis salazar
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A great copy of the manual, and the only one I could find anywhere on the net! The circuit diagrams are easily readable, all component values marked and easy to see. A highly appreciated download!
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Great Manual. This manual is available no where else. It was exactly what I was looking for.
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The TEAC A-1500's Service Manual was instrumental in reviving this classic reel-to-reel. Not only does it have the schematics, exploded parts diagram and parts list, it also provided mechanical adjustment information that approximate factory default settings.
4-8 Trouble Shooting Chart Microphone not working
No voice from Microphone
GO YES
Check point: the Q503 on power board Observe: check the collector terminal voltage is over+0v7
Solution: replace the transistor
NO
Check point: Q503 on power board Observe: check the collector
YES Solution: Replace Q503
terminal is short circuit to ground
NO NO
Solution: check the +5V supply Circuit replaces any defected components
Check the +5V is presented
YES
Check point: Microphone input Observe: check if the any signal presenting at pin7 of CON601 by
YES
Solution: replace U601 on echo board if no signal output from pin 15
NO NO
Check point: VA+ and VA- on microphone board Observe: heck if the supply
Solution: check the connector between echo board and microphone
voltage is +/-10V
YES
Solution: replace the U401 on microphone board
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