Circuit Board - Tektronix TEK 222 Manual

Digital storage oscilloscope preliminary service
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Maintenance
— 222 DSO Preliminary Service
A4—POWER SUPPLY
BOARD
A2—CPU/DISPLAY
BOARD
Ai—ACQUISITION
BOARD
A7—KEYPAD
A6—FRONT PANEL
BOARD
BOARD
A5—POT BOARD
Figure 6-1. Circuit board locations.
11. Reconnect the probe cable connectors to the Acqui-
14. Perform the Input Compensation
adjustment pro-
sition board (Channel 1 cable to top connector and
cedure for both channels (refer to Section 5, the
Channel 2 cable to the bottom one).
Adjustment Procedure).
6-10

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