Tektronix 2230

Ttektronix
COMMITTED TO EXCELLENCE
MANUAL CHANGE: INFORMATION
Date: _____ 5-22-87 --------------- Change Reference: ______ M.63636 __
Product: 2230 SERVICE
Manual Part Nn • 070-4999-00
DES C RIPTION Product Group 41
EFFECTIVE SERIAL NUMBER: B023219
REPLACEABLE ELECTRICAL PARTS LIST CHANGES
CHANGE TO:
A1R908
315-0222-00
RES.FXD.FILM: 2.2K OHM,5%,0.25W
(CHASSIS PARTS)
Q9070
151-1245-00
TRANSISTOR: MOSFET.N-CHAN.TO-220
ADD:
A1CR906 152-0808-00
SEMICOND DVC.DI: RECT.SI.400V.1.5 A.50 NS
DIAGRAM CHANGES
DIAGRAM < ^ > POWER INPUT, PREREGULATOR, & INVERTER
Change the value of resistor R908 to 2.2K fi.
Add diode CR906 in parallel with CR907.
See the partial digram below for these changes.