Yamaha HTR-6063, Service Manual

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U 1 - 1
D O C K : N G N N N N
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.
DOCK CONNECTOR
All Y = “OK”
Others = “NG”
Check item Result Display
UART loop back test
OK Y
NG N
DOCK_AP (iPod accessory power) detection
–
High = YES Y
Low = No N
DOCK_PON (iPod installation to DOCK)
detection
IC904
pin No. 9
Low = installed Y
High = not installed N
DOCK_N_DET (DOCK ID) detection
IC908
pin No. 34
10 k-ohms, 1/4 W pull down Y
Other N
⎫
⎬
⎭
⎫
⎬
⎭
⎫
⎬
⎭
⎫
⎬
⎭
U3. INVALID ITEM
Not for service.
U2. INVALID ITEM
Not for service.
1 2
19
3 4 5 6 7 8
9 10 11 12 13 14
15 16 17 18
20 21
1
0
k-ohms 1/4 W
U 2 - 1
I N V A L I D I T E M
U 3 - 1
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U 2 - 5
I N V A L I D I T E M
U 3 - 2
I N V A L I D I T E M
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RX-V667/HTR-6063/RX-A700
RX-V667/HTR-6063/
RX-A70
0