Tracking Adjustment; Tracking Check - Aiwa XR-M101 Service Manual

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５． ５． TRACKING ADJUSTMENT ５． ５．
Requirement
Measuring equipment: Millivoltmeter
Test point: TP2, TP3, GND
Adjustment point: L774
(1) Adjust the S.S.G. setting to 1000KHz of 30% variation and reduce the output level
all the way.
(2) Adjust the reception frequency of the main unit to 1000KHz.
(3) Adjust L774 until the value of the millivoltmeter reaches the maximum.
＜ ＜ ＜ ＜ FM ADJUSTMENT＞ ＞ ＞ ＞
For adjusting FM, do wiring function and connection as in the following.
６． ６． ６． TRACKING CHECK ６．
Requirement
Measuring equipment: millivoltmeter
TE
L 13942296513
Test point: TP2, TP3, GND
(1) Adjust the S.S.G. setting to 83.0MHz of 75KHz variation, and 66dBuV for the output
level.
(2) Check that the test point voltage is about 400mV.
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2 9
8
SET
TP
Lch
Rch
GND
Q Q
3 6 7 1 3 1 5
co
.
-25-
9 4 2 8
AC MILLIVOLTMETER
CH1
TP2
GND
TP3
Connect to the respective
measuring equipment
AC MILLIVOLTMETER
0 5 8 2 9 9 4 2 8
CH1
TP2
GND
TP3
m
9 9
CH2
GND
9 9
CH2
GND