6
.1. Video Output (Luminance Signal) Confirmation
DO this confirmation after replacing a P.C.B.
Purpose:To maintain video signal output compatibility.
1.Connect the oscilloscope to the video output terminal and terminate at 75 ohms.
2.Confirm that luminance signal(Y+S)level is 1000mVp-p±30mV
Measurement point
Video output terminal
Color bar 75%
PLAY(Title 46):DVDT-S15
PLAY(Title 12):DVDT-S01
DVDT-S15
or
DVDT-S01
Mode
Disc
Measuring equipment,tools
200mV/dir,10 sec/dir
1000mVp-p±30mV
Confirmation value
6.Electrical Confirmation
9
Содержание BBK938S
Страница 1: ...SERVICE MANUAL BBK938S...
Страница 13: ...7 MPEG BOARD CHECK WAVEFORM 7 1 27MHz WAVEFORM DIAGRAM 7 2 IC5L0380R PIN 2 WAVEFORM DIAGRAM 11...
Страница 44: ...42 FRONT SCHEMATIC DIAGRAM...
Страница 46: ...44 POWER BOARD SCHEMATIC DIAGRAM...
Страница 48: ...OK SCHEMATIC DIAGRAM 46...
Страница 50: ...48 OUTPUT BOARD SCHEMATIC DIAGRAM...
Страница 55: ...53 MIAN SCHEMATIC DIAGRAM...
Страница 56: ...54 MIAN SCHEMATIC DIAGRAM...