Panasonic AG-7510 Service Manual

1.the same level (0+/—0.5dB).The gains of 400Hz and 5KHz portions should be400HZ SkHzeel aeHeFigure E332-6-5. NORMAL AUDIO PLAYBACK GAINPreparationAG-7500 VCR1. Set_the AUDIO CH2 SELECT SW on the rear panelto TIME CODE.2. Supply a 2KHz, 1Vp-p sine wave signal to theTIME CODE IN connecter.3. Record this signal.Adjustment1. Set_the AUDIO CH2 SELECT SW on the rear panelto TIME CODE.2. Play back this tape.3. Adjust VR4007 so that the AUDIO CH2 LEVELMETER reaches the "3.5 +/-1.0" point.APIUSTMENT 2.7. HD AUDIO SECTIONTe ADS. MODE | _ INPUT *Note:NORMAL, Unless otherwise specified, set the followingVR4002 (CH1) M e asTP4001 (CH1) PLAY switches to the following positions.TP4002(CH2) |¥74005 (CH2)TAPE M. EQ. SPEC. ‘SWITCH POSITIONVEM8180HMDH MGI 300: 15mVp-p (CH1) AUDIO MONITOR (HD/NORM) HDPORTION: @ re, 310+ 15mVp-p (CH2) AUDIO OUT SELECT HDAUDIO INPUT LEVEL SELECT/ OdBs*Note: AUDIO OUT LEVEL SELECTBefore this adjustment “Audio PlaybackFrequency Response Adjustment” should becompleted. "r—300 + 45mVp-p (CH 1)310£15mVp-p (CH2)Figure E342-6-6. TIME CODE METER ADJUSTMENT1? ADJ. MODE INPUTVR4007 PLAYTAPE | M.EQ. SPEC. |BLANK 3541.02-7-1. HD CARRIER FREQUENCY ADJUSTMENTTP ‘ADS. MODE INPUTP4308 vR4303P4309 vR4308 STORTAPE M. EQ. SPEC.FREQUENCY |f,=1.4MH2+10kHz (P4308)COUNTER |fa=1.8MHz 10kHz(TP4309)1. If signal level is too low to trigger the (CH2)clockwise.Refer to “HD AUDIO REC CURRENTADJUSTMENT” for the correct setting ofthese VRs after this adjustment.2-7-2. HD AUDIO PLAYBACK GAIN ADJUSTMENTTP ADJ. MopE | __INPUTP4306 (CH1) | VR4301(CH1)| pyayTP4307 (CH2) |VR4306 (CH2)TAPE M. EQ. SPEC.VFM8180HMDHPORTION:@) | V-T-V-M. -7dBV+1e