— 6 —
Record bias Current Adjustment
DECK B
Procedure:
1.
Mode: Record
2.
Mode: Playback
Confirm playback the signal recorded in step 1 become adjustable
limits as follows.
If these levels do not adjustable limits, adjustment the RV341 (L-
CH) and RV441 (R-CH) on the AUDIO board to repeat steps 1 and 2.
Adjustable limits: Playback output of 315 Hz to playback output
of 10 kHz: ±0.5 dB
Adjustment Location: AUDIO and main boards
Record Level Adjustment DECK B
Procedure:
1.
Mode: Record
2.
Mode: Playback
Confirm playback the signal recorded in step 1 become adjustable
limits as follows.
If these levels do not adjustable limits, adjustment the RV511 (L-
CH) and RV521 (R-CH) on the main board to repeat steps 1 and 2.
Adjustable limits:
CN207 PB level: 47.3 to 53.1 mV (–24.3 to –23.3 dB)
Adjustment Location: main board
[MAIN BOARD] (Component Side)
[AUDIO BOARD] (Conductor Side)
attenuator
set
CD IN connector (L: L-CH)
(R: R-CH)
1) 315 Hz
2) 10 kHz
50 mV (–23.8 dB)
600
Ω
blank tape
CS-123
AF OSC
rear panel
+
–
set
recorded
portion
level meter
rear panel
VIDEO1
AUDIO OUT connector
(L: L-CH)
(R: R-CH)
set
CD IN connector (L: L-CH)
(R: R-CH)
315 Hz, 50 mV (–23.8 dB)
blank tape
CS-123
600
Ω
attenuator
AF OSC
rear panel
+
–
set
recorded
portion
level meter
rear panel
VIDEO1
AUDIO OUT connector
(L: L-CH)
(R: R-CH)
IC303
IC501
J301
J302
RV511
RV521
CN317
CN321
CN361
CN363
RV301
RV401
L
R
PB LEVEL
— DECK B —
— DECK A —
(NORMAL)
RV651
(HIGH)
RV652
PB
LEVEL
RV311
RV411
R
L
TAPE SPEED
R
L
RECORD
BAIS
RV441 RV341
