Procedures For Mother Board And Its Daughter Boards 6 - Tektronix RSA3303A Service Manual

Removal and Installation Procedures
Access Procedure
Locate the module to
be removed in
Figure 6- - 2 to 6- - 11.
Is
Yes
the module
in Figure
6- - 2?
No
Do the procedures,
Line Cord and Cabinet
on page 6- - 23.
Is
Yes
the module
in Figure
6- - 3?
No
Is
Yes
the module
in Figure
6- - 4?
No
Is
Yes
the module
1
in Figure 6- - 5
2
or 6- - 6 ?
No
Figure 6- 12: Guide to removal procedures
6- 22
When you have identified the module to be removed for service, read General
Instructions found earlier in this section. Then use the flowchart in Figure 6- -12
to determine which procedures to use for removing the module. The removal
procedures end with reinstallation instructions.
Procedures for External Modules
Line cord
Cabinet
Front cushion
Cabinet modules
Procedures for RF Modules
RF2 module
RF3 module
RF4 module
RF5 module
Procedures for CPU Board and
Disk Modules
CPU board
Hard disk drive
Floppy disk drive
A62 Front connection board
Procedures for Mother Board and
its Daughter boards
A10 A/D board
1
A40 DIFP board
2
A20 DDC board
2
A30 trigger board
2
A40 Memory board
A70 DC power board
A50 Mother board
Is
the module
in Figure
6- - 7?
p.6- - 23
No
p.6- - 23
p.6- - 24
p.6- - 25
Is
the module in
Figure 6- - 8 or
6- - 9?
No
p.6- - 28
p.6- - 30
p.6- - 31
Is
p.6- - 31
the module
in Figure
6- - 10?
No
p.6- - 32
p.6- - 34
p.6- - 36
p.6- - 36
p.6- - 37
p.6- - 39
p.6- - 39
p.6- - 40
p.6- - 40
p.6- - 41
p.6- - 43
RSA3303A & RSA3308A Service Manual
Procedures for Power Supply
on the Bottom
Power supply 1 & 2
Yes
A71 AC power board
Power supply 3
Line filter
Principal power switch
Procedures for RF1 Modules
A100 Interconnection board
Step attenuator 2
Yes
Input relay
Programmable BPF
Step attenuator 1
Band relay
Procedures for Front Panel Modules
Front panel assembly
Rotary encoder
Front bezel
Menu buttons
Yes
Front panel
A60 Front key board
A61 Power switch board
Preamp power connector
RF input connector
LCD display
Procedures for Chassis Modules
Fan
Side panel assembly
Board guide bracket
Rear panel modules
1
S/N B020000 and above.
2
S/N below B020000 and J300100 and above.
p.6- - 45
p.6- - 47
p.6- - 47
p.6- - 49
p.6- - 49
p.6- - 50
p.6- - 52
p.6- - 54
p.6- - 54
p.6- - 54
p.6- - 54
p.6- - 57
p.6- - 58
p.6- - 59
p.6- - 59
p.6- - 59
p.6- - 60
p.6- - 60
p.6- - 60
p.6- - 61
p.6- - 61
p.6- - 63
p.6- - 63
p.6- - 65
p.6- - 66