Yamaha RX-V461 Service Manual page 25

QQ
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11. DOCK (B model)
This menu is used to test the DOCK connector without the iPod itself.
After turning off the power, short between pins No. 14 (TX) and No. 18 (RX), between pins No. 1 (PWR) and No. 17
(ACCPOW) and between pins No. 4 (iPDET) and No. 8 (DGND).
Start the DIAG function and select the menu.
The check result is displayed according to the following display specifications.
Note) Be sure to return the shorted locations to their original state.
15
9
3
1
UART loop back test
iPAP (iPod accessory power) detection
iPDET (iPod installation to DOCK) detection
TE
L 13942296513
DOCK ignore
When DOCK and iPod are connected, the input source [DOCK (iPod)] is made invalid and [V-AUX] is selected.
12. USB CHECK
The music file recorded in the USB flash memory is reproduced.
• The music file is copied into the roof folder of the USB flash memory.
• Insert the USB flash memory to the USB terminal of the main unit.
USB FILE1
The first piece of the music file is reproduced.
www
USB FILE2
The second piece of the music file is reproduced.
.
http://www.xiaoyu163.com
16 17 18
10 11 12 13 14
4 5 6 7 8
2
19 20 21
DOCK
Check item
x ao
y
i
http://www.xiaoyu163.com
8
All Y = "OK"
Others = "NG"
Result
OK
NG
High
IC402 pin No. 1
Low
Low
IC402 pin No. 12
High
Q Q
3 6 7 1 3
11.DOCK IGNORE
USB FILE /
Unconnected/No music file
USB FILE1/OK
OK : Connected/Playback
NG : No music file
u163
.
USB FILE2/OK
OK : Connected/Playback
NG : No music file
RX-V461/HTR-6040/RX-V461DAB
2 9 9 4 2 8
11.DOCK:NG NNN
Display

Y


N

Y


N

Y


N
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
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