27
HCD-CP500K/CP500MD
4.
After the adjustments, apply suitable locking compound to the
parts adjusted.
Adjustment Location:
3.
Mode: Playback
test tape
P-4-A100
(10kHz, –10dB)
oscilloscope
set
Waveform of oscilloscope
in phase
45
°
90
°
135
°
180
°
good
wrong
GND
R-ch
L
R
SJ301
SPEAKER
Output Terminal
6
Ω
6
Ω
Sample Value of Wow and flutter
W.RMS (JIS) less than 0.35%
(test tape: WS-48B)
Record Level Check
Procedure:
1.
Press FUNCTION button to select ANALOG IN. (This step
is not necessary if the above test mode has already been set.)
2.
Insert a tape into deck, press the
z
REC (TAPE) button, and
then press the
X
(TAPE) button to start recording.
3.
Mode: Record
Tape Speed Check
Procedure:
1.
MODE : Playback.
test tape
WS-48B
(3kHz, 0dB)
SJ301
SPEAKER
Output Terminal
frequency
counter
set
6
Ω
2.
Insert the WS-48B into deck.
3.
Press the
Y
button of deck.
4.
Check the reading of frequency counter becomes 3000
±
90
Hz.
(Top view)
Adjustment point
4.
Mode: Playback
5.
The playback output level should be –4.5
±
3 dB (60 Hz),
1
±
3 dB (8 kHz) and –3
±
3 dB (10 kHz).
AF OSC
ANALOG IN
1) 60 Hz
2) 5 kHz
3) 10 kHz
blank tape
CS-123
set
attenuator
600
Ω
109 mV (–17 dB)
recorded
position
level meter
set
6
Ω
SJ301
SPEAKER
Содержание HCD-CP500K
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Страница 55: ...HCD CP500K CP500MD 55 55 7 12 SCHEMATIC DIAGRAM TC BOARD IC B D Page 52 ...
Страница 57: ...HCD CP500K CP500MD 57 57 7 14 SCHEMATIC DIAGRAM DIGITAL BOARD IC B D IC B D IC B D Page 50 Page 50 Page 52 ...
Страница 59: ...HCD CP500K CP500MD 59 59 7 16 SCHEMATIC DIAGRAM CONTROL SECTION Page 53 Page 52 Page 52 ...
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