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6-64
Fig. 6-4-1
6-4. AUDIO SYSTEM ADJUSTMENT
•
The right channel (STEREO) adjustment is performed in
STEREO MODEL only.
STEREO MODEL only.
•
Use the alignment tape for audio system adjustment.
•
Connect an audio input signal from VC-188 board CN501 as
shown in Fig.6-4-1.
shown in Fig.6-4-1.
4-1.
EE-OUTPUT LEVEL CHECK
Mode
Record
signal
CN501 pin 4 INPUT (Left)
CN501 pin 2 INPUT (Right)
400 Hz, –38 dBs
Audio input from CN501 pin 4, 2
CN501 pin 2 INPUT (Right)
400 Hz, –38 dBs
Audio input from CN501 pin 4, 2
Measurement Point
AUDIO output terminal (Left/Right)
(no load)
(no load)
Measuring Instrument
Audio level meter
Specification Value
–7.5 ± 2.0dBs
Check procedure:
Order
Procedure
1
Check that 400 Hz signal level satisfies the
specification.
specification.
Alignment tape
〈
MONO model
〉
WR5-5CSP : PAL
WR5-5NSP : NTSC
WR5-5NSP : NTSC
〈
STEREO model
〉
WR5-9CS : PAL
WR5-9NS : NTSC
WR5-9NS : NTSC
