— 5 —
SERVICE NOTE
1.
POWER SUPPLY DURING REPAIRS
In this unit, about 5 seconds after power is supplied (8.4V) to the
battery terminal using the service power cord (J-6082-223-A), the
power is shut off so that the unit cannot operate.
This following two methods are available to prevent this. Take note
of which to use during repairs.
Method 1.
Connect the servicing remote commander RM-95 (J-6082-053-B)
to the LANC jack, and set the remote commander switch to the
“ADJ” side.
Method 2.
Press the following battery switch using adhesive tape, etc.
2.
HOW TO TAKE A CASSETTE OUT WHEN THE MAIN POWER
CANNOT BE TURNED ON (FORCED EJECTED)
Procedure:
1.
Remove the cassette lid referring to the section “2. DISASSEMBLY, 2-1”.
2.
Remove the operation switch block (FK-71 board) referring to the section “2. DISASSEMBLY, 2-5”.
3.
Remove the CB-61 board referring to section “2. DISASSEMBLY, 2-4”, and remove the FP-586 flexible board from CN3140 (4P) on
the RJ-77 board.
4.
Apply +4.5 V from the regulated power supply to the loading motor terminal as shown below and remove the cassette.
CAUTION:
Be careful not contact with the lid frame assembly when ap4.5 V.
3.
WARNING INDICATORS
If the CAUTION lamp flashes, but no indicators appear on the LCD screen or on the monitor TV screen, it means that an error occurs either
in the fan motor or in the fan motor drive circuit. Refer to the schematic diagram on page 4-43 for repair.
Regulated power supply
4.5V
GND
Control switch block
Loading motor
Lid frame assembly
Battery switch
Battery sig terminal
Battery terminal
‘
Battery terminal
’
Содержание GV-D300 Operating Instructions (primary manual)
Страница 9: ...1 2 ...
Страница 10: ...1 3 ...
Страница 11: ...1 4 ...
Страница 12: ...1 5 ...
Страница 13: ...1 6 ...
Страница 14: ...1 7 ...
Страница 15: ...1 8 ...
Страница 16: ...1 9 ...
Страница 17: ...1 10 ...
Страница 18: ...1 11 ...
Страница 19: ...1 12 ...
Страница 20: ...1 13 ...
Страница 21: ...1 14 ...
Страница 22: ...1 15 ...
Страница 23: ...1 16 ...
Страница 24: ...1 17 ...
Страница 25: ...1 18 ...
Страница 26: ...1 19 ...
Страница 27: ...1 20E ...
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 ...