5-30
3. IR Audio Deviation Adjustment (CB-61 board)
Mode
VTR stop
Signal
400Hz, –7.5dBs :
AUDIO jack left and right
Color bar : VIDEO jack
Measurement Point
AUDIO L terminal and AUDIO R
terminal of IR receiver jig
(Terminated at 47k
Ω
)
Measuring Instrument
Audio level meter
Adjustment Page
D
Adjustment Address
92
Specified Value
Signal level: –7.5 ± 1.0 dBs
Level difference of L and R: Below 2dB
Connection of Equipment:
Connect the measuring device as shown in the following figure,
and adjust.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Only for the model without LCD screen, select page: D, address:
19, after noting down data, set data: 01, and press the PAUSE
button of the adjustment remote commander.
3)
Connect the audio level meter to the AUDIO L terminal of the
IR receiver jig.
4)
Select page: D, address: 92, change the data and set the 400Hz
audio signal level to the specified value.
5)
Press the PAUSE button of the adjustment remote commander.
6)
Connect the audio level meter to the AUDIO R terminal of the
IR receiver jig.
7)
Check that the 400Hz audio signal level is within the specified
value. If outside, repeat from step 2).
8)
Only for the model without LCD screen, select page: D, address:
19, set data noted down at step 2), and press the PAUSE button
of the adjustment remote commander.
9)
Select page: 0, address: 01, and set data: 00.
Fig. 5-3-23
Main Unit
Audio oscillator
Attenuator
IR receiver jig
AUDIO OUT
L
R
Audio level meter
47k
Ω
600
Ω
600
Ω
: 270
Ω
(1-249-410-11) + 330
Ω
(1-249-411-11)
47k
Ω
(1-249-437-11)
L
R
AUDIO
Содержание GV-D300 Operating Instructions (primary manual)
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Страница 30: ...2 3 2 4 CB 61 RJ 77 BOARDS 2 5 CONTROL SWITCH BLOCK FK 71 ...
Страница 33: ...2 6E 2 12 CIRCUIT BOARDS LOCATION ...
Страница 45: ...GV D300 D300E D900 D900E 4 29 4 30 4 31 AUDIO 1 CB 61 6 10 Refer to page 4 7 for CB 61 printed wiring board ...
Страница 46: ...GV D300 D300E D900 D900E 4 33 4 34 AUDIO 2 CB 61 7 10 4 32 Refer to page 4 7 for CB 61 printed wiring board ...
Страница 59: ...GV D300 D300E D900 D900E 4 81 4 82 MODE CONTROL RJ 77 9 9 See page 4 48 for RJ 77 BOARD printed wiring board ...
Страница 61: ...GV D300 D300E D900 D900E 4 85 4 86 4 87 AV IN OUT IO 62 4 88 ...
Страница 62: ...GV D300 D300E D900 D900E 4 89 4 90 4 91 4 92 MULTI CONNECTOR EX 34 ...
Страница 64: ...GV D300 D300E D900 D900E 4 96E CUSTOMER CONTROL CONTROL SW BLOCK FK 71 4 95 ...
Страница 142: ...3 BLOCK DIAGRAMS PAGE 3 3 3 1 OVERALL BLOCK DIAGRAM 1 2 PAGE 3 8 3 3 POWER BLOCK DIAGRAM ...
Страница 144: ...GV D300 D300E D900 D900E PAGE 4 89 SCHEMATIC DIAGRAM 5 6 MULTI CONNECTOR BACK LIGHT POWER EX 34 ...