Yamaha ACD1 Service Manual page 36

ACD1
** Diag Mode **
Total Result [
00 RESERVE-ACD1
* 01 SRAM
02 BATTERY
03 MAC ADDRESS
04 GPI
05 FAULT
06 RS485 SHEET
07 RS485 ALL
09 RTC
10 LCD
11 SW
12 D-SUB(32)
13 D-SUB(33)
14 D-SUB(34)
15 D-SUB(35)
16 D-SUB(36)
17 D-SUB(37)
18 D-SUB(38)
19 D-SUB(39)
20 ==> Category Menu
[Example of testing item selection list screen]
NO.
01 SRAM
02 BATTERY
03 MAC ADDRESS
04 GPI
05 FAULT
06 RS485 SHEET (Circuit board test) LoopBack test in circuit board.
07 RS485 ALL (General test)
09 RTC
10 LCD
11 SWITCH
12 D-SUB (32)
13 D-SUB (33)
14 D-SUB (34)
15 D-SUB (35)
16 D-SUB (36)
17 D-SUB (37)
18 D-SUB (38)
19 D-SUB (39)
[OK] will be shown in the Total Result fi eld if result of all the test items are OK while [NG] will be shown if result of any test
item is NG when all the checking in the category is over.
36
]
Test item
Check the address bus and data bus.
Check the voltage of the back-up battery.
Automatically checks if the fi rst three digits are "00.A0.DE".
LoopBack test using jigs.
LoopBack test using jigs.
LoopBack test using jigs.
Initializes and displays real time clock.
Check the back light. Check if there is no missing LCD dots as well.
Check the keys.
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
LoopBack test using jigs. (1 port only)
[Testing item selection list]
Contents of tests Judgment
Auto
Auto
Auto
Auto
Auto
Auto
Auto
Semi-auto
Visual check
Visual check
Auto
Auto
Auto
Auto
Auto
Auto
Auto
Auto