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Excellent had everything I wanted, very happy with purchase
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This service is relatively cheap, document is fast available, schematic is readable.
Thanks.
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So far I´m a satisfied customer. I have only downloaded "TECHNICS SX-KN470 Service Manual" maybe I will use it later.
Best regards
Peter
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Good manual. It is complete and of high quality, both text and graphics. The schematics are with the original big size, so it can be viewed or printed without any loss of resulution and sharpness.
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We needed a manual quickly...online it was available immediately, at a very low price. We loved the convenience!
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(1) In a case where the power is not turned on (the POWER LED does not light)
RX side
A
No power (The POWER LED does not light.)
Insert the FFC correctly.
No
Is the FFC correctly inserted? Yes
Is the POWER LED lit?
B
No
Yes
Is the fuse blown?
No
Is the protection circuit in IC11 and/or IC14 broken? Yes Replace IC11 and/or IC14.
No
Check that the circuits are not short-circuited. As the circuit for +9 V is most likely to have been shortcircuited, check the circuits around IC15.
Yes Replace the F1 fuse. Yes
C
Yes
Is the POWER LED lit?
No
Is the POWER LED lit?
No
Yes Inspection completed.
Yes
(2) In a case where no sound is output
D
RX side
No sound
Check the electric potentials at each point of the module.
No
Is TUNED lit?
Yes
E
Check the circuits around Q3455 and Q3454.
No Is the relay on?
Yes
Replace IC12 and IC13.
No
Is +B voltage active?
Yes
F
56
1 2
XW-HT1
3 4
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