Ch1-4 Output Level Adjustment; Ch1-4 Input Level Adjustment; Rec Vr Center Adjustment - Panasonic DVCPRO50 Service Manual

7-2. CH1-4 Output Level
Adjustment
BOARD AUDIO (F1)
TP AUDIO OUT (CH1-4, MON L,R)
ADJ. VR560 (CH1 OUT LV)[G-2]
VR561 (CH2 OUT LV)[G-2]
VR690 (CH3 OUT LV)[F-2]
VR691 (CH4 OUT LV)[E-2]
VR450 (L OUT LV)[E-2]
VR451 (R OUT LV)[D-2]
TAPE -----
INPUT INT SG
MODE EE
M. EQ Audio Analyzer
SPEC. 0dBu ± 0.2dB
1. Set the AUDIO INPUT SELECT switch to "SG".
2. Adjust VR560 so that the CH1 OUT level is in the
specification.
3. Adjust VR561 so that the CH2 OUT level is in the
specification.
4. Adjust VR690 so that the CH3 OUT level is in the
specification.
5. Adjust VR691 so that the CH4 OUT level is in the
specification.
6. Adjust VR450 so that the MON L OUT level is in
the specification.
7. Adjust VR451 so that the MON R OUT level is in
the specification.
8. Confirm that the level meter (CH1-4, CUE) on the
front panel is displayed at –20dB.

7-3. CH1-4 Input Level Adjustment

BOARD AUDIO (F1)
TP AUDIO OUT (CH1-4)
ADJ. VR300 (CH1 IN LV)[J-2]
VR301 (CH2 IN LV)[J-2]
VR302 (CH3 IN LV)[H-2]
VR303 (CH4 IN LV)[G-2]
TAPE -----
INPUT LINE IN CH1-4 (1KHz 0dBu, Sinewave)
MODE EE
M. EQ Audio Analyzer
SPEC. 0dBu ± 0.2dB
1. Set the AUDIO INPUT SELECT switch to
"ANALOG".
2. Adjust VR300 so that the CH1 OUT level is in the
specification.
3. Adjust VR301 so that the CH2 OUT level is in the
specification.
4. Adjust VR302 so that the CH3 OUT level is in the
specification.
5. Adjust VR303 so that the CH4 OUT level is in the
specification.

7-4. REC VR Center Adjustment

BOARD AUDIO (F1)
TP LINE OUT (CH1-4)
ADJ. G10: VR ADJUST (Service Menu)
TAPE -----
INPUT INT SG
MODE EJECT
M. EQ Audio Analyzer
SPEC.
1. Set the UNITY/VAR SW to "UNITY".
2. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
3. Select the G00: AUDIO ADJUST and press the
"SET" button to open the AUDIO ADJUST
MENU.
4. Select G10 VR ADJUST and press the "SET"
button to open the VR ADJUST menu.
SERVICE-MENU: VR ADJ
* 00 : CH1 VR LEVEL
* 01 : CH2 VR LEVEL
* 02 : CH3 VR LEVEL
* 03 : CH4 VR LEVEL
5. Set the Audio level VR (CH1-4) to "CENTER
(Click portion)".
6. Press the "SEARCH" button to adjust the center
level of REC VR. (The numeric number for
CH1-4 is changed simultaneously.)
7. Set the UNITY/VAR SW to "VAR". And close the
menu. (Press the MENU button 3 times)
8. Confirm that the output level of each channel is
same level at both setting of "UNITY" and "VAR
(Center)"
ELE-57
UNITY and VAR of CENTER click portion
are same level.
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