Yamaha RX-V2065 Service Manual page 55

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, 1/4 W 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.
Note) Be sure to return the shorted pins to their original condition after executing this test.
15 16
9 10 11
3 4 5
1
19
DOCK CONNECTOR
Check item
UART loop back test
iPAP (iPod accessory power) detection
iPDET (iPod installation to DOCK) detection
DKID (DOCK ID) detection
BT VERSION
The DOCK (Bluetooth module) version is displayed.
17 18
12 13 14
6 7 8
2
20 21
Short pins
Pins No.14 (TX)
– No.18 (RX)
Pins No.1 (PWR)
– No.17 (ACCPOW)
Pins No.4 (iPDET)
– No.8 (DGND)
Pins No.21 (DKID)
– No.8 (DGND)
* 10 k-ohms, 1/4 W
pull down
B T V : x x x x x
D O C K : N G N N N N
All Y = "OK"
Others = "NG"
Result
OK
NG
High = YES
IC20
pin No. 114
Low = No
Low = installed
IC20
pin No. 8
High = not installed
10 k-ohms,
1/4 W pull down
IC20
pin No. 141
Other
RX-V2065/HTR-6295
Display
½
Y
¾
¿
N
Y ½
¾
¿
N
Y ½
¾
¿
N
Y
½
¾
¿
N
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