5-2 Trouble shooting Chart
LED no display on LED board
Go
No
Yes
No
Yes
No
Yes
Check every supply
voltage on main board
whether normal or not
+18V +5V +3.3V
check the power supply board
Check every supply
voltage on front board
whether normal or not
+5V +3.3V .
check the FFC connector from
main board to front board
Check every supply
voltage on the LED board
+5V +3.3V.
check the FFC connector from
LED board to front board
no display on
LED board
Check the led and transistor on the LED
board whether normal or not.
Содержание HTL2160C/G/M/S/T/W/12/F7/93
Страница 34: ...OP Board Print layout Bottom side 7 13 7 13 ...
Страница 35: ...CN Board Print layout Bottom side 7 14 7 14 ...
Страница 36: ...CN Board Print layout Top side 7 15 7 15 ...
Страница 37: ...FK Board Print layout Bottom side 7 16 7 16 ...
Страница 38: ...FK Board Print layout Top side 7 17 7 17 ...
Страница 39: ...Power Board Print layout Bottom side 7 18 7 18 ...
Страница 40: ...Main Board Print layout Bottom side 7 19 7 19 ...
Страница 41: ...Main Board Print layout Top side 7 20 7 20 ...
Страница 43: ...Main IC SP8202_RDB Functional Block Diagram 9 1 ...
Страница 49: ...Exploded View for HTL2160 12 F7 93 10 1 10 1 ...