— 4 —
ELECTRICAL ADJUSTMENTS
CO-AX CABLE
LEFT CHANNEL OUTPUT
RIGHT CHANNEL OUTPUT
UNIT
AM DUMMY ANTENNA
FM DUMMY ANTENNA
AM S.G.
(50
Ω
)
PLUG TO FIT ANTENNA
RECEPTACLE OF UNIT
CO-AX CABLE
METAL SHIELD CAN
DUMMY LOAD & SWITCH BOX (FOR STEREO UNIT)
FM S.G.
(50
Ω
)
AC V.T.V.M. OR SCOPE
10
Ω
45
Ω
60
Ω
33
Ω
15PF
4
Ω
20W
L
L
R
R
4
Ω
20W
60PF
PLUG TO FIT ANTENNA
RECEPTACLE OF UNIT
METAL SHIELD CAN
Fig. 1-1
Fig. 1-2
Fig. 1-3
DUMMY BOX SCHEMATIC
ALIGNMENT OF
AM RF & lF
SECTI0N
Set the radio for AM reception. AM signal generator should be coupled with antenna receptacle through dummy (see Fig.1-1).
Set VOLUME control to maximum and TONE to center. Attenuate signal generator output to maintain 0.5 watts (1.4 volts across
4 ohms load) on AC voltmeter.
FM SG
&
STEREO SG
(See Fig. 1.2)
FM
DUMMY
ANTENNA
(See Fig. 1.3)
DUMMY
LOAD &
SW BOX
SET
T.P
DISTORTION METER
AC VOLTMETER
VTVM
Fig. 2 * SG frequency should be as accurate as possible.