Hitachi I-28 Service Manual page 10

TEST EQUIPMENT ADJUST
Connect capacitor (0.014F) to the TP201.
Connect as Fig. 12.
Connect to R510.
Connect to $1 terminal
REMARKS
DC V.T.V.M connect to
IC3. T401
Adjust T401 so that the indication of DC V.T.V.M may be
maximum.
HIGH FREQUENCY
V.T.V.M connect to R510 L502
Adjust L502 so that the indication of HIGH FREQUENCY
V.T.V.M may be minimum.
| Repeat adjustment of STEP 1 .
| DC V.T.V.M connect to
T402 ® T402 (PINK)
Adjust T402 (PINK) so that the indication of DC V.T.V.M
may be maximum.
; DC V.T.V.M connect to
C406 T402 (BLUE)
SG(4.5M Hz)
SWEEP
GENE LATOR
Adjust T402 (BLUE), for exactly one-half of the previous
reading.
Fig. 12