Wavetek 171 - Page 28

REOUENCYINCORRECT
ATPIN 11 IC14 OR TP5
OF
SYNTHESIZER BOARD
+5V AT PIN 2 J1.
<
+15V AT PIN 9 J4 &
-15V AT PIN 8
7
YES
SYNTHESIZER
LOOP OK
CHECK FREQUENCY
RANGING (SHEET 4)
6-8
SYNTHESIZER LOOP CHECK
CHECK
POWER SUPPLY
(FIGURE 6-3)
CHECK
IC1.
2
CIRCUIT
YES
CONTINUE
TO
SHEET 3
CHECK
01. 2 & XTAL
CIRCUIT
(C1 ADJUSTMENT)
CHECK
08.9
CLK KILL
CIRCUIT
CHECK
REFERENCE
SELECTOR
(SHEET
6)
CHECK
IC5
CIRCUIT
Figure 6-4. Synthesizer Mode Checks (Sheet 2 of 6)
READ
OPERATING
INSTRUCTIONS
CHECK
IC3
CIRCUIT
CHECK
IC4
CIRCUIT