Tektronix RSA3303A Service Manual page 171

Procedures for Mother Board and its Daughter Boards
A10 A/D Board
RSA3303A & RSA3308A Service Manual
Read the Access Procedure on page 6- -22 before proceeding. The procedures are
presented in the following order:
H A10 A/D board
H A40 DIFP board
H A20 DDC board
H A30 Trigger board (Option 02 only)
H A40 memory board
H A70 DC power board
H A50 Mother board
1. Assemble equipment and locate module to be removed:
a. You will need a #2 Phillips screwdriver (Items 1 and 3).
b. Locate the A10 A/D board in locator diagram Mother board and its
daughter boards, Figure 6- -6, page 6- -16.
2. Orient the analyzer: Set the analyzer so its bottom is down on the work
surface and its front is facing you.
3. Remove the board support bracket: See Figure 6- -20 on page 6- -42. Remove
the two screws securing the board support bracket to the rear support bracket
and the RF5 module. Lift the board support bracket away.
4. Remove the A10 A/D board: See Figure 6- -19. Also see Figure 6- -37 on
page 6- -78 for the cable interconnection.
a. Unplug the SMB cable W30 and W31.
b. Option 03 only. Unplug the SMB cable W42 (I+ IN), W43 (I- - IN),
W44 (Q+ IN), and W45 (Q- - IN).
c. Remove the two screws securing the front shield bracket to the main
chassis.
d. Remove the two screws securing the back shield bracket to the main
chassis.
e. Lift up the the A10 board with the brackets.
Removal and Installation Procedures
S/N B020000 and above
S/N below B020000 and
J300100 and above
6- 37