Panasonic AG-MD830E Service Manual

enI-Zw:EI-en:::>..,c«..J«()a:I-()w..JW4-3-22. VIe TIMING ADJ.BOARD VIDEO 2TP VIDEO OUTADJ VR3301 (D-1)TAPE S-VHS SELF RECORDED TAPEINPUT SIN2 PULSE & BARMODE PLAYM.EQ WAVE FORM MONITORSPEC REFER TO E22[SET UP]S-VHS SW: ONINPUT SW: LINEEDIT SW : OFF1. Supply the SIN2 Pulse for signal to video input.2. Record the colour bar signal by S-VHS mode fora few minuter.3. Connect the waveform monitor to video output andexrand the "A" portion as shown in Figure E21.4. Adjust VR3301 so that the waveform becomes asshown in Figure E22."A,,~EXPAND" "r iI rI rI rr rr rI rI IFigure E21LINE OUT100%~ I~cIWBB=CFigure E224-104-3-23. PRE-AMPLlFIER ADJ.BOARD AUDIO C.B.A.TP AUDIO OUTPUT CH1, CH2ADJ Hi- Fi CH 1: VR4501 (C-1), CH2: VR4502(C-1)TAPEINPUT 1KHz, -8dBv SINEWAVE SIGNALMODE STOPM.EQ V.T.v.M.SPEC Hi-Fi OUTPUT -8dBv ± O.2dBvNORM OUTPUT -8dBv ± 1dBv1. Set the Hi-Fi audio level control VR (CH1, CH2)on the Front Panel to the centre click position.2. Set the audio output select switch to Hi-Fi mode.3. Supply 1KHz, -8d8v sinewave signal to audioinput.4. Connect the V.T.V.M. to audio output.5. Adjust VR4501 (CH1), VR4502 (CH2) so that thelevels become -8.0d8v ± O.2d8v.6. Set the audio output select switch to NORMmode.7. Confirm the CH1 and CH2 levels are -8.0d8v ±1.0d8v.