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— 17 —
Record Bias Adjustment (Deck B)
Procedure:
INTRODUCTION
When set to the test mode performed in
Tape Speed Adjustment
,
when the tape is rewound after recording, the “REC memory mode”
which rewinds only the recorded portion and playback is set.
This “REC memory mode” is convenient for performing this
adjustment. During recording, the input signal FUNCTION will
automatically switch to VIDEO 1.
(After recording, press the
0
button without stopping will return
to the position where recording was started.)
1.
Press FUNCTION button to select VIDEO 1. (This step is not
necessary if the above test mode has already been set.)
2. Insert a tape into deck B, press the
r
REC button, and then
press the
·
button to start recording.
3.
Mode: Record
4.
Mode: Playback
adjustment level as follows.
If these levels do not adjustment level, adjust the RV341 (L-
CH) and RV441 (R-CH) on the AUDIO board to repeat steps 3
and 4.
Adjustment level: The playback output of 10 kHz level difference
against 315 Hz reference should be ± 1.0 dB.
Adjustment Location: AUDIO board
Record Level Adjustment (Deck B)
Procedure:
INTRODUCTION
When set to the test mode performed in
Tape Speed Adjustment
,
when the tape is rewound after recording, the “REC memory mode”
which rewinds only the recorded portion and playback is set.
This “REC memory mode” is convenient for performing this
adjustment. During recording, the input signal FUNCTION will
automatically switch to VIDEO 1.
(After recording, press the
0
button without stopping will return
to the position where recording was started.)
1.
Press FUNCTION button to select VIDEO 1. (This step is not
necessary if the above test mode has already been set.)
2. Insert a tape into deck B, press the
r
REC button, and then
press the
·
button to start recording.
3.
Mode: Record
4.
Mode: Playback
5.
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 3
and 4.
Adjustment level:
CN403 playback level: 47.2 to 53.0 mV (–24.3 to –23.3 dB)
Adjustment Location: MAIN board
Adjustment Location:
[AUDIO BOARD] (Conductor Side)
5.
Confirm playback the signal recorded in step 2 become
[MAIN BOARD] (Conductor Side)
recorded
position
level meter
set
MD OUT
AF OSC
VIDEO 1 (AUDIO) IN
1) 315 Hz
2) 10 kHz
blank tape
CS-123
set
attenuator
600
Ω
} 50 mV (–23.8 dB)
AF OSC
VIDEO 1 (AUDIO) IN
315Hz 50 mV (–23.8 dB)
blank tape
CS-123
set
attenuator
600
Ω
recorded
position
level meter
set
MD OUT
Record Level (Lch)
RV301
RV351
Record Level (Rch)
IC301 56
43 42
29
28
15
14
1
1
3
RV441 RV341
RV301(Lch),RV401(Rch)
Playback Level (Deck B)
RV301 RV401
RV341(Lch),RV441(Rch)
Record Bias
RV311(Lch),RV411(Rch)
Playback Level (Deck A)
RV311
RV411
Содержание HCD-DR8AV
Страница 7: ... 7 This section is extracted from instruction manual ...
Страница 31: ...HCD DR8AV W900AV 43 44 7 6 SCHEMATIC DIAGRAM MAIN 1 5 SECTION Refer to page 103 for IC Block Diagrams ...
Страница 48: ...HCD DR8AV W900AV 77 78 7 23 SCHEMATIC DIAGRAM TC PANEL SECTION Page 70 Page 70 Page 82 Page 81 82 Page 69 16 ...
Страница 50: ...HCD DR8AV W900AV 81 82 7 25 SCHEMATIC DIAGRAM CD PANEL SECTION Page 78 Page 43 Page 77 78 16 ...
Страница 52: ...HCD DR8AV W900AV 85 86 7 27 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 48 16 ...
Страница 54: ...HCD DR8AV W900AV 89 90 7 29 SCHEMATIC DIAGRAM JACK SECTION Page 57 65 Page 52 16 ...
Страница 91: ... 133 HCD DR8AV W900AV MEMO ...