Yamaha TF5 Service Manual page 146

TF5/TF3/TF1
7-5-6. USB_TO_HOST
[Contents]
Inspect the signal routes of USB interface between
DSP#5(IC501) and USB TO HOST connector (CN602).
Determined by detecting connection with the PC.
[Procedure]
Prepare a PC which installed Yamaha Steinberg USB Driver
in advance.
<GUI>
Connect the USB cable to the USB TO HOST
connector
ABORT
Since popup dialog as shown in the above fi gure is displayed
on the screen, connect the USB TO HOST connector and PC
via USB cable.
If operation is detected, popup dialog will be closed
automatically.
When popup dialog does not close in spite of having operated
it, it failed in the inspection.
Push the [ABORT] button to close the popup dialog.
When the inspenction is fi nished, disconnect the USB cable.
7-6. iPod
The example of a screen of MAINCOM circuit board test.
7-6-1. PIC_CONNECT
[Contents]
Inspect the connection of UART interface between
CPU(IC905) and PIC CPU(IC651).
IC905(D15/D16)< – >IC651(13/14)
[Procedure]
<GUI>
Automatic judgment
<Display of inspection log>
In the case of PASS, "PASS: PIC_CONNECT".
In the case of FAIL, "FAIL: PIC_CONNECT".
146
7-6-2. MFI_CONNECT
[Contents]
Inspect the connection of I2C interface between PIC
CPU(IC651) and Authentication Coprocessor(IC652).
IC651(30/31/32)< – >IC652(7/2/6)
[Procedure]
<GUI>
Automatic judgment
<Display of inspection log>
In the case of PASS, "PASS: MFI_CONNECT".
In the case of FAIL, "FAIL: MFI_CONNECT".
7-6-3. IPOD_CONNECT
[Contents]
Inspect the connection between iPod connector and
CPU(IC905) by detecting mount of the USB memory
connected to the iPod connector.
IC651(36/37)< – >CN652(2/3)< – >USBL:CN052(2/3)
< – >USBL:CN053(2/3)
[Procedure]
Connect a USB memory to the iPod connector in advance,
after starting of a test program.
Nothing should connect with an iPod connector at the time
of starting of the test program.
<GUI>
Automatic judgment
<Display of inspection log>
In the case of PASS, "PASS: IPOD_CONNECT".
In the case of FAIL, "FAIL: IPOD_CONNECT".