Sharp QT-50Z - Circuit Adjustment (Audio Section); Circuit Adjustment (Tuner Section)

SE-ll-ING Volume control: Maximum Balance controk Center
POSITION OF
Tone control: Center Function selector switch: Tape
SWlTCH AND
KNOB
I
ITEM
/ INPUT / ADJI.$- 1 REMARKS (CHECK) (
PLAYBACK AMP- Test tape
LIFIER
1.35v
SENSITIVITY
NTT-11 BN
AM LF/RF ADJUSTMENT
CIRCUIT ADJUSTMENT (TUNER SECTION)
IIGNAL GENERATDR
400 Hr. 30%. AM modulated
FRE- DIAL AD
TEf SyAyE QUE- POINTER JUST-
REMARKS
NCY SElTlNG MENT
4M IF
AM RF
SWt RF
SWz RF
Figure 5-l PLAYBACK AMPLIFIER SENSITIVITY
Lowest
7
2.25
L7
Band
MHZ
frequency
coverage
8
7.4 MHz
Highest
frequency
TC4
Adjust for
maximal output.
9
2.6 MHz
2.6 MHz
L4
-
Tracking
10
6.0 MHz
6.0 MHz
TC3
11
Repeat steps 7,B,9 and 10 until no further
improvement can be made.
Figure 5-2 AM IF
Figure 5-3 AM RF
Figure 5-4 SW RF