ELECTRICALADJUSTMENT
VOLTAGECHART
TUNERSECTION
TESTCONDITION:SETAM/FMONONEFREQUENCY
lC101fTDA1083)
❑MAINC.B
Q
4
PIN’SNUMBER
1
2
3
4
5
6
7
8
FM 1.64 1.62 0 5.26 5.26 0 0 1.84
AM
1.25 1.23 0 5.28 5.28 1.14 1.25 1.52
PIN’SNUMBER 9 10 11 12 13 14 15 16
FM
o
1.23 0 2.34 5.27 5.27 5.27 2.14
AM o
1.24 0 2.35 5.28 5.28 5.28 1.55
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HI I
L104
QIOI(1923) Q102(I923)
EICIB EICIB
T104
TIOI
uL102--El
I
FM
I 0.7814.0411.5210.6214.5211.21I
I
1
J
CLOCKSECTION
-+8
I
IC201(LM8562)
PIN’SNUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 14
/ / / / / / / / / / / / / /
T102
T105
n —
SwitchFunction 15 16 17 18 19 20 21 22 23 24 25 26 27 28
RadioOn 10.0310.12 1.53 9.55 -1.76 -1.76 3.79 1.90 4.39 4.38 3.31 -1.78 4.35 -1.79
Sleep
11.5611.12 2.51 -0.75 -0.64 -0.77 4.89 4.10 5.52 5.56 4.45 -0.68 5.39 -0.70
Alarm 9.89 7.82 4.14 8.85 5.35 -1.73 -1.74 2.12 4.27 4.28 3.36 -1.81 4.31 -1.73
Q201(I815)
SwitchFunction E c B
RadioOn 5.27 6.41 6.03
Sleep
0.51 11.12 0
Alarm 5.15 9.82 5.76
1. AMIFAdjustment
● Testpoint:TP4,6
T2,4
...............................................................,.
455kHz
4. AMTRACKINGAdjustment
L1.....................................................................
600kHz
TC4................................................................
1400kHz
Q401(I182) Q402(1182) Q403(1815)
DimmerSW. E c B E c B E c B
high
4.43 4.10 4.40 4.70 4.33 4.70 -1.90 5.46
-1.87
low 5.41 5.05 5.41 5,48 5.08 5.52 -1.27 6.74 -1.27
off
8.25 7.97 4.34 8.25 7.95 4.42 2.84 2.94 3.54
Q404(1815) Q405(1OI5)
2. FMIFAdjustment
● Testpoint:TP3,4,6
T1,3,6
...........................................................
10.7MHZ
5. FMFREQ.RANGEAdjustment
● Testpoint:TP1,2
LA..............,.,,,.,,.,.,............................................
86MHZ
TC1 .................................................................
109MHZ
3. AMFREQ.RANGEAdjustment
L7.....................................................................
517kHz
TC3................................................................
1750kHz
6. FMTRACKINGAdjustment
● Testpoint:TP1,2
L2
.....................o......................o...o........!............9oMHz
TC2.................................................................
108MHZ
DimmerSW. E c B E c B
high
-1.98 -1.50 -2.09 9.25 -1.54 9.25
I
-1.25 -0.77 -1.26 10.40-0.99 10.36
I
off
6.48 10.59 7.18
10.69 10.65 9.85
low
3
4
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