Sony ICF-CD543RM Service Manual ▷ View online
ICF-CD543RM
9
3-8.
TRAY
3-9.
BELT, LOADING BOARD
2
claw
3
A
2
claw
1
Turn the drive gear in the
direction of the arrow
direction of the arrow
A
.
4
tray
1
belt
3
claw
3
claw
4
loading board
2
two screws
(M2
(M2
×
3)
ICF-CD543RM
10
3-10. BASE UNIT
3-11. ARM, OPTICAL PICK-UP SECTION (KSM-213CCP OR KSM-213RCP)
3
boss
4
base unit
2
boss
2
boss
1
two screws
(PWH2.6
(PWH2.6
×
10)
2
arm
4
vibration proof rubber
(red)
(red)
4
vibration proof rubber
(red)
(red)
3
vibration proof rubber
(green)
(green)
3
vibration proof rubber
(green)
(green)
1
two screws
(PWH2.6
(PWH2.6
×
10)
5
optical pick-up section
(KSM-213CCP or KSM-213RCP)
(KSM-213CCP or KSM-213RCP)
Ver. 1.3
ICF-CD543RM
11
3-12. OPTICAL PICK-UP (KSS-213R)
2
two screws (M2)
1
gear (B)
4
sled shaft
5
optical pick-up
(KSS-213R)
(KSS-213R)
3
12
ICF-CD543RM
(
): AEP model
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
RV1
1,000 kHz (999 kHz)
(
): AEP model
AM VCO VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L2
530 kHz
2.3
± 0.05 V
Confirmation
1,710 kHz
9.3
± 2.0 V
(1,602 kHz)
(8.6
± 1.5 V)
(
): AEP model
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
580 kHz (621 kHz)
CT1
1,490 kHz (1,395 kHz)
FM/TV (2 – 6 CH) VCO VOLTAGE CONFIRMATION (US model)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
108 MHz
14.2
± 2.0 V
Confirmation
TV 2 ch
2.2
± 0.4 V
FM/TV (2 – 6 CH) TRACKING ADJUSTMENT (US model)
Adjust for a maximum reading on level meter
L3
TV 2 ch
CT2
108 MHz
TV (7 – 13 CH)/WEATHER (1 – 7 CH)
VCO VOLTAGE CONFIRMATION (US model)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
TV 13 ch
9.2
± 1.5 V
Confirmation
WEATHER 2 ch
4.2
± 0.5 V
TV (7 – 13 CH)/WEATHER (1 – 7 CH)
TRACKING ADJUSTMENT (US model)
Adjust for a maximum reading on level meter
L4
WEATHER 2 ch
CT3
TV 13 ch
FM VCO VOLTAGE CONFIRMATION (Canadian, AEP models)
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
87.5 MHz
2.5
± 0.4 V
Confirmation
108.0 MHz
9.0
± 2.0 V
FM TRACKING ADJUSTMENT (Canadian, AEP models)
Adjust for a maximum reading on level meter
L3
87.5 MHz
CT2
108 MHz
Adjustment Location: MAIN board (See page 14)
TUNER SECTION
0 dB=1
µ
V
[AM]
Setting:
Function : RADIO
RADIO ON/BAND button : AM
Function : RADIO
RADIO ON/BAND button : AM
[FM/TV/WEATHER]
Setting:
Function : RADIO
RADIO ON/BAND button: FM or TV or WEATHER
Function : RADIO
RADIO ON/BAND button: FM or TV or WEATHER
• Repeat the procedures in each adjustment several times, and the
tracking adjustments should be finally done by the trimmer ca-
pacitors.
pacitors.
• Remove FM antenna in FM adjustment.
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
modulation by
400 Hz signal
Output level:
as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
+
–
–
level meter
set
4.0
Ω
MAIN board
CN371 pin
CN371 pin
3
MAIN board
CN371 pin
CN371 pin
4
FM RF signal
generator
22.5 kHz frequency
deviation by 400 Hz
signal
Output level:
as low as possible
deviation by 400 Hz
signal
Output level:
as low as possible
+
–
–
level meter
MAIN board
CN371 pin
CN371 pin
3
MAIN board
CN371 pin
CN371 pin
4
set
4.0
Ω
0.01
µ
F
MAIN board
TP (FM GND)
TP (FM GND)
MAIN board
TP (FM IN)
TP (FM IN)
digital voltmeter
TP (VT)
TP (FM GND)
100 k
Ω
MAIN board
SECTION 4
ELECTRICAL ADJUSTMENTS
digital voltmeter
TP (VT)
TP (AM GND)
100 k
Ω
MAIN board
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