Yamaha RX-V465 Service Manual
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Brand: Yamaha
Category: Receiver , Stereo Receiver
Type: Service manual
Model: Yamaha HTR-6240 , Yamaha RX-V465 , Yamaha AX-V465
Pages: 147
58
RX-V465/HTR-6240/
AX-V465
RX-V465/HTR-6240/AX-V465
14. DOCK
This menu is used to check the DOCK connector
without the iPod itself.
With the power to this unit turned off, short between
pins No. 14 (TX) and No. 18 (RX), between pins No.
1 (PWR) and No. 17 (ACCPOW), between pins No.
4 (iPDET) and No. 8 (DGND). Also, connect a 10
k-ohms, 1/4W resistor between pins NO. 21 (DKID)
and No. 8 (DGND). (Make sure that the power is
turned off when shorting pins.)
Start up the self-diagnostic function and select this
menu.
The check result is displayed according to the
following display specifications.
DOCK CONNECTOR
All Y /
= “OK”
Others /
= “NG”
1 2
19
3 4 56 78
91011121314
15 16 17 18
20 21
10 k-ohms
1/4 W
Check item / Short pins / Result /
Display /
UART loop back test / Pins No.14 (TX)
– No.18 (RX)
OK Y
NG N
iPAP (iPod accessory power) detection / Pins No.1 (PWR)
– No.17 (ACCPOW)
IC20
pin No. 114
High = YES Y
Low = No N
iPDET (iPod installation to DOCK) detection / Pins No.4 (iPDET)
– No.8 (DGND)
IC20
pin No. 8
Low = installed / Y
High = not installed / N
DKID (DOCK ID) detection /
Pins No.21 (DKID)
– No.8 (DGND)
*
10 k-ohms, 1/4 W
pull down
IC20
pin No. 141
10 k-ohms,
1/4 W pull down
Y
Other N
⎫
⎬
⎭
⎫
⎬
⎭
⎫
⎬
⎭
⎫
⎬
⎭
BT VERSION
The DOCK (Bluetooth module) version is displayed.
Note) Be sure to return the shorted pins to their
original condition after executing this test.