Dock; Invalid Item - Yamaha RX-V667 Service Manual

U1. 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. 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
DOCK_AP (iPod accessory power) detection
DOCK_PON (iPod installation to DOCK)
detection
DOCK_N_DET (DOCK ID) detection
U2. INVALID ITEM
Not for service.
U3. INVALID ITEM
Not for service.
17 18
12 13 14
6 7 8
20 21 2
–
IC904
pin No. 9
IC908
pin No. 34
All Y = "OK"
Others = "NG"
Result
OK
NG
High = YES
Low = No
Low = installed
High = not installed
10 k-ohms, 1/4 W pull down
Other
RX-V667/HTR-6063/RX-A700
Display
⎫
Y
⎬
⎭
N
⎫
Y
⎬
⎭
N
⎫
Y
⎬
⎭
N
⎫
Y
⎬
⎭
N
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