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Service Manual
Service Manual
Lndex
0. Index ---------------------------------------------------- -------------------------------- 1
1. Specifications ---------------------------------------------- ---------------------------- 2
2. Accessory List ------------------------------------------------------------------------- 3
3. Product Function ----------------------------------------------------------------------4
4. LED Panel Spec ----------------------------------------------------------------------- 5
4.1 E2019B
Spec: M185B3-LA1 -------------------------------------------------------------------5
4.2 E2022B
Spec: M215HW01 VB --------------------------------------------------------------6
4.3 E2024B
Spec:
V236H1-LE2/V236H1-LE4 ----------------------------------------------7
5. Chassis Layout and Overall Wiring Diagrams -------------------------------- 8
5.1 E2019B/22B/24B Major Part Bom -----------------------------------8
6. Factory/Service OSD Menu and Adjustment -----------------------------------9
6.1 To enter the Factory OSD Menu ----------------------------------------------9
6.2 Factory Option -----------------------------------------------------------------10
7. Software Upgrading (upgrading
method) --------------------------------------11
7.1 By USB Port---------------------------------------------------------------------11
8. Key Board and IR LED Board Sch. ---------------------- --------------- 11
9. Schematic Diagram Block ( MAIN Board ) ----------------------------------- 12
10 . Printed Circuit ( MAIN Board ) -----------------------------------------------13
10.1 MAIN Boadr TOP --------------------------------------------------------- 13
10.2 MAIN Boadr BOTTOM -------------------------------------------------- 14
11. Schematic Diagram Block ( Power Board ) ---------------------------------- 15
12. Printed Circuit ( POWER Board ) ---------------------------------------------16
12.1 MAIN Boadr TOP ( 19/22/24 Inch) --------------------------------------16
12.2 MAIN Boadr BOTTOM ( 19/22/24 Inch) ------------------------------ 17
13. Schematic Diagram Block ( LED Driver Board ) ------------------------ 18
14. Printed Circuit ( LED Driver Board ) -------------------------------19/20/21
15. Exploded view --------------------------------------------------------------------- 22
15.1 E2019B/22B/24B Exploded view ----------------------------------------22
16. Debug Instruction --------------------------------------- 23/24/25/26/27/28/29/30
17. Detailed Circuit ----------------------------------------------31/32/33/34/35/36/37
17.1 Power Board Detailed Circuit ( Sch) 19/22/24 inch -----------------31
17.2 Main Board Detailed Circuit ( Sch) 19/22/24 inch ---32/33/34/35/36/37
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