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— 13 —
Record Level Adjustment (Deck B)
Procedure:
1. Press FUNCTION button to Select VIDEO.
2. Mode: record
1. Press FUNCTION button to Select VIDEO.
2. Mode: record
blank tape
CS-123
CS-123
Record Bias Adjustment (Deck B)
Procedure:
1. Press FUNCTION button to Select VIDEO.
2. Mode: record
1. Press FUNCTION button to Select VIDEO.
2. Mode: record
4. Confirm playback the signal recorded in step 2 become adjustment
level as follows.
If these levels do not adjustment level, adjust the RV341 (L-CH)
and RV441 (R-CH) on the MD board to repeat steps 2 and 3.
If these levels do not adjustment level, adjust the RV341 (L-CH)
and RV441 (R-CH) on the MD board to repeat steps 2 and 3.
Adjustment level: The playback output of 10 kHz level difference
against 315 Hz reference should be ± 0.5 dB.
Adjustment Location: MD board
VIDEO IN
1) 315Hz
2) 10kHz
1) 315Hz
2) 10kHz
}
50 mV (–23.8 dB)
AF OSC
attenuator
600
blank tape
CS-123
CS-123
set
main board
CN403 Pin
CN403 Pin
3
(L-CH)
Pin
1
(R-CH)
level meter
recorded
position
position
set
3. Mode: Playback
Adjustment Location:
[MD BOARD] (Conductor Side)
[MD BOARD] (Conductor Side)
VIDEO IN
315kHz 50mV (–23.8 dB)
315kHz 50mV (–23.8 dB)
AF OSC
attenuator
600
set
3. Mode: Playback
recorded
portion
portion
set
main board
CN403 Pin
CN403 Pin
3
(L-CH)
Pin
1
(R-CH)
4. Confirm playback the signal recorded in step 2 become adjustment
level as follows.
If these levels do not adjustment level, adjust the RV301 (L-CH)
and RV351 (R-CH) on the main board to repeat steps 2 and 3.
If these levels do not adjustment level, adjust the RV301 (L-CH)
and RV351 (R-CH) on the main board to repeat steps 2 and 3.
Adjustment level:
CN403 PB level: 47.3 to 53.1 mV (–24.3 to –23.3 dB)
Adjustment Location: MAIN board
RV301
IC401
1 3
CN403
RV351
RV351
Record Level Adjustment
(R CH)
Record Level Adjustment
(R CH)
RV301
Record Level Adjustment
(L CH)
Record Level Adjustment
(L CH)
RV341 (L CH), 441 (R CH)
Record Bias Adjustment
Record Bias Adjustment
RV301
RV401
RV341
RV651
RV652
RV311
RV411
RV301 (L CH), 401(R CH)
Playback Level Adjustment
(Deck B)
Playback Level Adjustment
(Deck B)
RV441
RV311 (L CH), 411 (R CH)
Playback Level Adjustment
(Deck A)
Playback Level Adjustment
(Deck A)
level meter
RV651 (Normal speed)
RV652 (High speed)
Tape Speed Adjustment
RV652 (High speed)
Tape Speed Adjustment
[MAIN BOARD] (Component Side)
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