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Good quality, clear diagrams. Exactly what I needed.
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Good product. All the information is invcluded, but due to the complexity of the amplifier, it still is difficult to get it to operation again.
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Very professional seller; very fast, accurate and rielable service.
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great works fine, got the manual on mail within a day
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First class Service,
best quality, come again
Thank You.
vac
1
2
3
4
(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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