Maintenance
96
⏐
GA10.218_1.01 - 11/2004
downwards.
5. In any cases two fuses of the same rating must be inserted. The requi-
red mains fuses are: T 10A slow blow (20x5mm dia.) for 100V...230V.
6. After having exchanged the fuse(s) press the lid of the mains socket
firmly back on.
7. Insert the mains cord into the Phoenix and switch the instrument on.
8. Beside these mains fuses several internal circuits are fused separately.
These fuses are listed in the following table. See also Fig 37.
9. In order to exchange these fuses you must proceed as follows:
10. Switch the Phoenix off
11. Pull the mains cord on the Phoenix
12. Remove the cover for the mechanical and electronics section accor-
ding to Chapter
.
As can be seen in Fig 37, fuses 1, 2, 3 and 4 are located on the MSV
board, fuses 5 and 6 on the I/O board and the fuses 7, 8, 9 and 10 are
located on the wiring backplane under the MSV board.
Finally re-install the covers for the electronics and mechanical section in
the reverse order.
Nr. 1 F1 on MSV
Fuse rating: T 2A
24 V system voltage of the mass spectrometer supply.
Loosen control panel (two Phillips screws). Loosen the panel which
holds the MSV board in place (two Phillips screws).
Pull the MSV board (the board at the back) up to the top. For this insert
a screwdriver into the two recesses at the sides (top) one after the other
and lever the MSV board out by resting the screwdriver on the STE
board.
Nr. 2 F2 on MSV
Not in use.
Nr. 3 F3 on MSV
Fuse rating: T 1A
For generating 24 V for DCDC-converter (+- 15 / 5 V)
Nr. 4 F4 on MSV
Fuse rating: M 0,032A
Fuse for the anode voltage
Nr. 5 F1 on I/O board
Fuse rating: T 0,8A
Protects the 24 V supply carried by the option socket
Nr. 6 F2 on I/O board
Fuse rating: T 0,2A
Protects the selectable 24 V for RS 232 Interface.
Nr. 7 F 1 on MB
Fuse rating: T 0,8A
Supply voltage for the hand unit
Nr. 8 F 2 on MB
Fuse rating: T 4A
Supply voltage 24 V for I/O board.
Nr. 9 F 3 on MB
Fuse rating: T 0,8A
Supply voltage 24 V for fans and motorrelay.
Nr.
10
F 4 on MD
Fuse rating: T 8A
Protection for the forevacuum pump and the turbomolecular pump.
Содержание PhoeniXL300
Страница 18: ...General Information 18 GA10 218_1 01 11 2004 ...
Страница 30: ...Operation Check 30 GA10 218_1 01 11 2004 ...
Страница 44: ...Working Principle 44 GA10 218_1 01 11 2004 ...
Страница 48: ...Operation 48 GA10 218_1 01 11 2004 refer to Chapter 6 2 1 Scale linear logarithmic Fig 15 Display Trend Mode ...
Страница 82: ...Menu 82 GA10 218_1 01 11 2004 ...
Страница 86: ...Calibration 86 GA10 218_1 01 11 2004 ...
Страница 98: ...Maintenance 98 GA10 218_1 01 11 2004 ...
Страница 101: ......