File name DataVideo-SE800 av switchmixer.pdfSE-800
Service MANUAL
Http://www.datavideo-net/techinfo
Released: April-13-2004 Revision: V1.2
Table of Contents
Chapter 1. System ...2 System Block Diagram Signal Flow Chart System Disassembly Procedure
Chapter 2. RMA Part's List ... 7 Circuit Board Modules Mechanical Parts Chapter 3. Important Rework History ... 30 L-Type Iron frame rework instruction (Implemented after unit's S/N # 030500466) The new functions of unit's serial number #030500427 and after ROM-A, ROM-B Firmware IC Upgrade Procedure
Chapter 4. Trouble Shooting Guide ... 47 Trouble shooting vs. hardware module reference table of defective root cause Problem Report Form
Chapter 5. FAQ ... 51 How to upgrade SE-800AV to SE-800 for additional DV and SDI interface Parts you need to change SE-800 to SE-800AV
Appendix: (Please see another book for reference schematic)
Circuit Board module's schematic for reference Main board DV In board CV in board DV out board ROM-A ROM-B CTL Board K/B SDI board Audio board Power board VR board
1
Analog Audio Out
Stereo Audio Output x 2 Stereo Audio Input x 4
Audio Delay and Mixer Board
Chapter 1.
(305-AudioIn)
Analog Audio In
Power Board
(305Power)
SE-800 System Block Diagram
Audio VR Control Board (305-VR) Analog Video Output
AV Output DV out (B305-DV-OUT) DV Output SDI Output
SYSTEM
ROM-A SDI (305-SDI-OUT)
(305-ROM-A)
2 Main PCB of SE-800 (B305N0)
ROM-B
DV in (B361N0-305) Video in (B305-Vin) DV in (B361N0-305) Video in (B305-Vin) DV in (B361N0-305) Video in (B305-Vin) DV in (B361N0-305) Video in (B305-Vin)
DV Input source A AV Input source A DV Input source B AV Input source B
Keyboard (305-KB) Control Board (305-CTL)
(305-ROM-B)
DV Input source C AV Input source C DV Input source D AV Input source D
T-Bar
Signal Flow Schematic
3
System Disassembly Procedure
How to open SE-800 top case: There is a screw in side this hole, it need to be removed.
There are another 7 screws on bottom case as below to be removed and then you can open the top cover.
4
Disconnect the cables between Top cover and Main PCB
5
Remove the module screws from rear panel
Remove the iron bars from the interface card.
6
Chapter 2. The RMA part List
Assembled Circuit board
Circuit boards on Top
1 2 3 4 5 6
Mechanical Parts
Plastic Parts
1. 2 3 4 5 6
Cables and wires
Pag e 18 18 18 18 19 19
1
Page 23 23 23 23 23 24 24 24 24 24 25 25 25 25
Page 9 9 9 9 10 10
KB Flat cable 8-Pin Audio wires 4-Pin wire with CNT 10-Pin Flat cable 20-Ppin Flat cable 26-Pin Video bus cable 9-Pin 26AWG wire 4-Pin 26 AWG wire 6-Pin Power wires 4-Pin Power wires Stereo A |