Sanyo MCD-Z1F - Page 9

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TUNER ADJUSTMENTS
b.FM ADJUSTMENT
BAND SELECT SWITCH :
Adjusting
Connections
Step
Circuit
Input output
Connect sweep
Connect sweep
1
IF
generator to generator to
Icool Q1 (H}
RO04 (H)
& TP 2 (G)
& R202 (G)
2
Tuning
Connect
FM SG
Connect VTVM to
1
3
toTPl (H) &TP2 (G) speaker terminals
coverage
4
Tracking
Connect FM SG
Connect VTVM to
toTPl(H)&TP2(G)
speaker terminals
I
1
1
5
ReDeat adjustments
‘M
FM Dummy antenna: 750hm
SG Frequency
Position of tuning dial
Adjustment
10.7 MHz
Low
T103
87.0 MHz
Low end
LO02
109.0 MHz
High end
VCT-2
98.0 MHz
98 MHz
VCT-1
rebalance
‘- Ilfvh.1
Oscilloscope
n
Max.
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f
c. FM VCO ADJUSTMENT
BAND SELECT SWITCH : FM
(1) Input signal
:60 dB 22.5kHz Non-modulation. at 98.0 MHz
Connection :
Hot to TP-1, Ground to TP-2
Pilot signal : OFF
(2) Adjustment: VR201
FREQUENCY :76.00 kHz ~ 0.15 kHz
● FREQUENCY COUNTER SENSIBILITY : HIGH LEVEL ( more than 20 mV p-p )
. Adjust VR201 so that the frequency counter shows are reading of 76.00 kHz + 0.15 kHz. ‘.
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