Read Sony ICF-M60LRDS / ICF-M60SRDS Service Manual online
8
ICF-M60LRDS/M60SRDS
FM RF signal
generator
22.5 kHz frequency
deviation by 400 Hz
signal
Output level:
54 dB
deviation by 400 Hz
signal
Output level:
54 dB
µ
V
digital voltmeter
MAIN board
TP (GND)
TP (GND)
MAIN board
TP (SCAN)
TP (SCAN)
set
0.01
µ
F
MAIN board
TP (GND)
TP (GND)
MAIN board
TP (ANT IN)
TP (ANT IN)
COMPARATOR VOLTAGE ADJUSTMENT
Setting:
BAND button: FM
BAND button: FM
COMPARATOR VOLTAGE ADJUSTMENT
Adjustment Part
Frequency
Reading on
Display
Signal generator
Digital Voltmeter
RV1
98.00 MHz
98.027 MHz
High
t Low
(3V
t 0 V)
Adjustment Location: MAIN board (See page 9)
MAIN CLOCK FREQUENCY ADJUSTMENT
Setting:
BAND button: FM
BAND button: FM
MAIN CLOCK FREQUENCY ADJUSTMENT
Adjustment Part
Frequency Display
Frequency counter
CT101
87.5 MHz
4.2175 MHz
± 100 Hz
Confirmation
108 MHz
4.1550 MHz
± 5 kHz
Adjustment Location:
+
–
–
KEY board
TP (4.23 MHz)
TP (GND)
frequency counter
10 pF
CT101
Main Clock Frequency
Adjustment
TP
(4.23 MHz)
TP
(GND)
– KEY Board (Conductor Side) –
– KEY Board (Component Side) –
Click on the first or last page to see other ICF-M60LRDS / ICF-M60SRDS service manuals if exist.