DCR-HC39E, DCR-HC41, DCR-HC42, DCR-HC42E, DCR-HC43, DCR-HC43E (serv.man4) - Sony Movie Service Manual (repair manual). Page 59

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DCR-HC39E/HC41/HC42/HC42E/HC43/HC43E
5.
Overall Separation Check
Mode
Recording and playback (PLAY/
EDIT mode)
Signal
400 Hz, 
7.5 dBs signal:
Audio <right> [left] terminal of A/V
OUT jack
No signal:
Audio <left> [right] terminal of A/V
OUT jack
Measurement Point
Audio <left> [right] terminal of A/V
OUT jack
Measuring Instrument
Audio level meter
Specified Value
Below 
40 dBs
< > : Left channel check
[   ] : Right channel check
Checking Method:
1) Select page: 7, address: 01, and set data: 94.
2) Select page: 7, address: 04, and set data: 0E.
3) Select page: 7, address: 00, set data: 01, and press the PAUSE
button.
4) Select page: 7, address: 02, and check that the changes to “01”.
5) Input the 400 Hz, 
7.5 dBs signal in the audio <right> [left]
terminal of A/V OUT jack.
Connect the audio <left> [right] terminal of A/V OUT jack to
GND using a jumper wire.
6) Record the signal.
7) Remove the input signal, and remove the jumper wire.
8) Playback the recorded section.
9) Check that the signal level of the audio <left> [right] terminal
is the specified value.
10) Select page: 7, address: 01, and set data: 94.
11) Select page: 7, address: 04, and set data: 0F
12) Select page: 7, address: 00, set data: 01, and press the PAUSE
button.
13) Select page: 7, address: 02, and check that the changes to “01”.
3. Overall Distortion Check
Mode
Recording and playback (PLAY/
EDIT mode)
Signal
400 Hz, –7.5 dBs signal:
Audio left and right terminal of A/V
OUT jack
Measurement Point
Audio left or right terminal of A/V
OUT jack
Measuring Instrument
Audio distortion meter
Specified Value
Below 0.4%
(200 Hz to 6 kHz BPF ON)
Checking Method:
1) Select page: 7, address: 01, and set data: 94.
2) Select page: 7, address: 04, and set data: 0E.
3) Select page: 7, address: 00, set data: 01, and press the PAUSE
butto.
4) Select page: 7, address: 02, and check that the changes to “01”.
5) Input the 400 Hz, –7.5 dBs signal in the audio left and right
terminal of A/V OUT jack.
6) Record the signal.
7) Remove the input signal.
8) Playback the recorded section.
9) Check that the distortion is the specified value.
10) Select page: 7, address: 01, and set data: 94.
11) Select page: 7, address: 04, and set data: 0F
12) Select page: 7, address: 00, set data: 01, and press the PAUSE
button.
13) Select page: 7, address: 02, and check that the changes to “01”.
4.
Overall Noise Level Check
Mode
Recording and playback (PLAY/
EDIT mode)
Signal
No signal:
Audio left and right teminal of A/V
OUT jack
Measurement Point
Audio left or right terminal of A/V
OUT jack
Measuring Instrument
Audio level meter
Specified Value
Below 
45 dBs
(IHF-A filter ON, 20 kHz LPF ON)
Checking Method:
1) Select page: 7, address: 01, and set data: 94.
2) Select page: 7, address: 04, and set data: 0E.
3) Select page: 7, address: 00, set data: 01, and press the PAUSE
button.
4) Select page: 7, address: 02, and check that the changes to “01”.
5) Connect the audio left terminal of A/V OUT jack to GND us-
ing a jumper wire.
Connect the audio right teminal of A/V OUT jack to GND
using a jumper wire.
6) Record the signal.
7) Playback the recorded section.
8) Remove the jumper wires.
9) Check that the noise level is the specified value.
10) Select page: 7, address: 01, and set data: 94.
11) Select page: 7, address: 04, and set data: 0F
12) Select page: 7, address: 00, set data: 01, and press the PAUSE
button.
13) Select page: 7, address: 02, and check that the changes to “01”.
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