Yamaha AD8HR Service Manual page 32

AD8HR
TEST PROGRAM
1. TESTING WITH TEST PROGRAM
1-1. Test item chart
Test
Item Test Name
No
1 SRAM
2 FLASH
3 BATT
4 PLLP2
5 d00 PLL
6 ATSC2
7 DSP7
8 DIT A
9 DIT B
10 DIR
11 d01 PANEL LED
12 d02 PANEL SW
13 d06 COM A/B
14 − ENCODER
15 − COM A (PC)
16 d10 INITIALIZE
* : Loop-back test jig is necessary.
1-2. Setup
1) Test item AD8HR
2) PC DOS/V PC 1 unit (Pentium 2000MHz or higher, Windows Xp, or Windows 2000, RS232C x1)
3) Cables D-SUB 9-Pin serial cross-cable: 1 piece
BNC-BNC cable: 1 piece
Interconnection Diagram
Connect the PC (Windows machine) to the HA-REMOTE 1 terminal. Select the selector switch to the PC side.
Connect the BNC cable between the IN terminal and the OUT terminal on the WORD CLOCK.
32
Description of Test Item
Test address-data bus lines, and do W/R on SRAM and judge pass/fail.
Flash Memory write check - auto testing.
Measure voltage on backup battery.
Do W/R on PLL register and check.
Check the TLC2932 and DIR2.
Do W/R on ATSC2 register and check.
Do W/R on DSP7 register and check. Connect check ATSC2 to SI0.
Make a 4 line serial check with the AK4101 register.
Make a 4 line serial check with the AK4101 register.
Make a 4 line serial check with the CS8415 register. *An internal PLL check with the PLLP2.
Make a visual check of the LED connections.
Make a manual check of the switch connection.
Make auto test of HA REMOTE terminal 1/2 connection
Make manual test of GAIN/DATA encoder connections. (Accepted if test No. can be changed when the encoder it turned.)
Make a visual check of HA REMOTE terminal 1. (Accepted if the test program can communicate with the terminal software.)
Initialize the memory. (Execute if needed.)
AD8HR
HA REMOTE 1
BNC Cable
IN OUT
Change these connections only during
WORD CLOCK
the HA REMOTE 1/2 test setup.
HA REMOTE 2
HA REMOTE 1
HA REMOTE 2
Serial
Cross Cable
COM
PC