KS-AX7300
1-6 (No.49808)
SECTION 3
Adjustment
3.1 Adjustment method
(1) Check the voltage and frequency of the secondary toroidal
coil.
FREQUENCY:24.35kHz ± 50Hz
VOLTAGE VALUE:55Vp-p
(2) Measure the secondary toroidal coil, if the standard
frequency value of 24.35 kHz ± 50 Hz is not attained,
measure the R760 terminal, then adjust the VR701 so that
the R760 terminal becomes 24.25 kHz ± 30Hz.
NOTE:
When measuring, adjust and apply power with no
signal or load on each board.
DC/DC CONVERTER SECOND GENERATOR SWITCHING
TEST SET
FREQUENCY COUNTER
Main board
(+)
(
-
)
POWER SUPPLY
14.4V
R760
Measuring
Points
Main board
55Vp-p
±2.5V
TEST ITEM
VOLTAGE TEST
FREQUENCY CHECK
55Vp-p±2.5V
24.350KHz±30Hz
OSCILLOSCOPE
VOLT/DIV: 10
TIME/DIV: 10mcec
SPECIFICATION CONDITION
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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