background image

4

TOSHIBA  2857 DB

AV PCB Diagram

Summary of Contents for 2857 DB

Page 1: ...lour Making white signal of approx 1Vp p in QA01 Signals W B adjustment Picture Using method White balance adjustment White White balance adjustment check in light area Black part White balance adjustment check in dark area Making approx 1Vp p signal in QA01 Signals Black cross bar White cross bar 2 It is essential that to maintain the safety of the customer all cable forms be replaced exactly as ...

Page 2: ...ervice mode and get the inside W B adjusting signal with VIDEO button 3 Select RCUT GCUT and BCUT with CHAN NEL buttons to set individual values to 32 and to set GDRV and BDRV to 20 with VOLUME buttons 4 Press button on the remote control and rotate Screen VR to get one slight horizontal line on screen Note Every pressing of button provides Horizontal line picture and Normal picture alternately 5 ...

Page 3: ...L 29H NICH 00H NICAM THRESHOLD LEVEL 2AH IDL 00H IGR THRESHOLD LEVEL 2BH IDH 00H IGR THRESHOLD LEVEL 20H EVOL 00H EXT PRE VOLUME 2DH EMX FCH NICAM ON LEVEL 2EH EMN 64H NICAM OFF LEVEL 2FH FMA 00H FM ATTENUATOR LEVEL 30H STS 00H STEREO SEPARATION F 31H HPOS 15H 50Hz H POSITION 32H VPOS 04H V POSITION 33H HIT 3EH HEIGHT 37H VLIN 11H V LINEARITY 38H VSC 0FH V S CORRECTION 39H VPS 0EH V SHIFT 3AH VCP ...

Page 4: ...4 TOSHIBA 2857 DB AV PCB Diagram ...

Page 5: ...5 TOSHIBA 2857 DB Comb Delay PCB Diagram ...

Page 6: ...6 TOSHIBA 2857 DB Pro Logic Diagram ...

Page 7: ...7 TOSHIBA 2857 DB Signal Processing Diagram ...

Page 8: ...8 TOSHIBA 2857 DB Signal Processing Diagram Cont d ...

Page 9: ...9 TOSHIBA 2857 DB Power Deflection Diagram ...

Page 10: ...10 TOSHIBA 2857 DB Power Deflection Diagram Cont d Text PCB Diagram ...

Reviews: