Yamaha YMC-700 Service Manual page 46

YMC-700/YMC-500
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3 7 63 1515 0
S: DEVICE ACCESS CHECK 1
This menu is used to check communication and bus line connection between devices on the DIGITAL P.C.B..
1: EXTERNAL BUS DEVICES
Communication and bus line connection
b e t w e e n m i c ro p ro c e s s o r ( I C 3 4 1 ) a n d
devices below are checked.
USB:
ETHERNET:
NPGA:
TE
L 13942296513
SDIO I/F:
2: EEPROM DEVICES
Communication and bus line connection
b e t w e e n m i c ro p ro c e s s o r ( I C 3 4 1 ) a n d
EEPROM (IC344) are checked.
Example
EEPROM
3: WiFi MODULE
Communication and bus line connection
between microprocessor (IC341) and WiFi
module are checked.
Example
WiFi : OK
4: VIDEO DEVICES
Communication and bus line connection
between microprocessor (IC341) and the
www
following devices are checked.
ADV7840: HDMI receiver/Video decoder
(IC311)
.
ADV7510: HDMI transmitter (IC321)
Example
ADV7840 : OK
ADV7510 : OK
46
http://www.xiaoyu163.com
Example
S: DEVICE ACCESS CHECK 1
– >
1: EXTERNAL BUS DEVICES
USB : OK
ETHERNET : OK
NPGA : OK
SDIO I/F : OK
VOLUME: 25
AUDIO: – –
VIDEO: – –
ISP1760 (IC361)
LAN9217 (IC362)
(YMC-700 model)
NPGA(IC351)
TE4300PF (IC366)
(YMC-700 model)
: OK
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y
i
2 9
8
OK : No error detected
NG : An error is detected
5: PWM DEVICES
Communication and bus line connection
between microprocessor (IC341) and PWM
(IC376) are checked.
Example
Result : OK
Q Q
6: DSP DEVICES
3 6 7 1 3 1 5
Communication and bus line connection
between microprocessor (IC341) and DSP
(IC371) are checked.
Example
Result : OK
7: FPGA DEVICES
Communication and bus line connection
between microprocessor (IC341) and FPGA
(IC331) are checked.
Example
FPGA
8: IR BLASTER DEVICES
Communication and bus line connection
between microprocessor (IC341) and IR
BLASTER (IC383) are checked.
Example
IR BLASTER: OK
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
: OK
m
9 9
9 9