Pioneer XW-HTP550 Manual de servicio - Página 35
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5
7.1.2 TROUBLE SHOOTING
1. Transmitter side
(1) In a case where the power is not turned on (the channel indicator is not on)
Replace the AC adaptor.
Check around IC8051.
The module may be broken.
Replace the module.
(2) In a case where no sound is output
The module may be broken.
Replace the module.
Check the Audio Lines sequentially
from WIRELESS IN to CN8201.
5
6
No power
(The channel indicator is not on.)
Is the
No
AC adaptor's
Voltage
active?
Yes
Is V+5 voltage
No
active?
(CN8201 pin 1,2,
C8054)
Yes
No
Is either of potential
of CN8201 pin5-8
active?
Yes
LED(D8501-D8504) or
Transistor(Q8501-Q8504)
may be broken.
No sound
No
Is TUNED LED
in Receiver
lit?
Yes
Has the signal inputted
No
from WIRELESS IN
reached to AIR(pin11)
AIL(pin12) in CN8201?
Yes
The module may be broken.
Replace the module.
XW-HTP550
6
7
7
8
A
B
C
D
E
F
35
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