Toshiba DP120F, Service Manual

Page: 637 / 706

March 2000 © TOSHIBA TEC 11-25 DP120F/DP125F Troubleshooting
1.5.9 CODEC TEST [MENU], [9], [4], [09]
This test codes 10 lines of data in MH format and decodes the data. Then it compares the
decoded result with the original data to check if the CODEC (IC51) operates normally.
(1) Use the [
↑
] or [
↓
] key to select “09. CODEC TEST”, and then press the [ENTER] key.
(2) When you complete the test, press the [STOP] key to return to the standby mode screen.
(3) Depending on the result of the test, replace the Main PBA by referring to “Chapter 8
Removal/Replacement/Adjustment” on page 8-48.
1.5.10 NET. BOARD TEST [MENU], [9], [4], [10]
This test checks if the unit communicates normally with the optionally installed GF-1010 (Op-
tional NIC.) The test can be conducted only when the GF-1010 is installed.
(1) Use the [
↑
] or [
↓
] key to select “10. NET. BOARD TEST”, and then press the [ENTER]
key.
→
CODEC TEST CODEC TEST
OK
When the test has been
completed normally
(2) When you complete the test, press the [STOP] key to return to the standby mode screen.
(3) Depending on the result of the test, replace the Main PBA by referring to “Chapter 8
Removal/Replacement/Adjustment” on page 8-46, or the GF-1010 by referring to its manual.
→
NET. BOARD TEST NET. BOARD TEST
OK
When the test has been
completed normally