DOWNLOAD Sony ICF-CD863V Service Manual ↓ Size: 2.45 MB | Pages: 44 in PDF or view online for FREE

Model
ICF-CD863V
Pages
44
Size
2.45 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icf-cd863v.pdf
Date
PREV: Sony ICF-CD543RM Service Manual

Sony ICF-CD863V Service Manual ▷ View online

ICF-CD863V
9
3-8.
OPTICAL  PICK-UP  DEVICE
(KSS-213R)
4
two screws (M2)
3
gear (B)
6
sled shaft
7
flexible flat cable (16core) (CNP701)
8
optical pick-up device
(KSS-213R)
5
1
two claws
1
two claws
2
CD cover
3-9.
TRANSFORMER  BOARD
3
three screws (BV3 
×
 10)
6
heat sink
(transformer)
1
Remove the power cord 
from the groove of the cabinet (rear).
4
bracket (transformer)
2
connector 
(CN901)
5
transformer board
ICF-CD863V
10
5
two screws (BV3 
×
 10)
5
two screws (BV3 
×
 10)
6
box (SP) assy
5
two screws 
(BV3 
×
 10)
4
four screws (BV3 
×
 10)
3-10. BOX (SP)  ASSY
2
Lift up the AMP board in the
direction of the arrow.
3
connector (CN353)
1
three screws 
(BV3 
×
 10)
ICF-CD863V
11
3-11. SPEAKER (8.2 cm) (WOOFER) (SP301),  BOX (SP)
4
four screws 
(PTPWH3 
×
 10)
5
speaker (8.2 cm) (woofer)
(SP301)
3
Remove the speaker lead wire
from the groove of the box (SP).
2
Remove the rubber from the
groove of the box (SP).
1
cushion box (SP)
6
box (SP)
12
ICF-CD863V
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
RV2
1,000 kHz
AM VCO VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L1
530 kHz
2.3 
± 0.05 V
Confirmation
1,710 kHz
8.7 
± 1.0 V
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L5
580 kHz
CT1
1,490 kHz
FM/TV (2 – 6 CH) VCO VOLTAGE CONFIRMATION
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
108 MHz
15.0 
± 1.0 V
Confirmation
TV 2 ch
2.35 
± 0.1 V
FM/TV (2 – 6 CH) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L2
TV 2 ch
CT2
108 MHz
TV (7 – 13 CH)/WEATHER (1– 7 CH)
 VCO VOLTAGE CONFIRMATION
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
Confirmation
TV 13 ch
10.0 
± 1.0 V
Confirmation
WEATHER 2 ch
4.6 
± 0.5 V
TV (7 – 13 CH)/WEATHER (1– 7 CH)
TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L3
WEATHER 2 ch
CT3
TV 13 ch
Adjustment Location: MAIN board (See page 13)
FM STEREO ADJUSTMENT
Setting:
Function: RADIO
RADIO BAND button: FM
1. Connect the frequency counter to TP (FMST) and TP (RA-
DIO +B) as shown the figure below.
2. Tune the set to 87.5 MHz.
3. Adjust RV1 for 75.95 to 76.05 kHz reading on the frequency
counter.
Adjustment Location: MAIN board (See page 13)
TUNER  SECTION
0 dB=1 
µ
V
[AM]
Setting:
Function : RADIO
RADIO BAND button : AM
[FM/TV/WEATHER]
Setting:
Function : RADIO
RADIO 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.
• Remove FM antenna in FM adjustment.
AM RF signal 
generator
30% amplitude
modulation by
400 Hz signal
Output level: 
as low as possible
Put the lead-wire
antenna close to 
the set.
+
–
level meter
set
3.2 
Ω
MAIN board
CN303 pin 
3
MAIN board
CN303 pin 
4
FM RF signal
generator
22.5 kHz frequency
deviation by 400 Hz
signal
Output level: 
as low as possible
+
–
level meter
MAIN board
CN303 pin 
3
MAIN board
CN303 pin 
4
set
3.2 
Ω
0.01 
µ
F
MAIN board
TP (GND)
MAIN board
TP (ANT)
digital voltmeter
TP (VT)
TP (FM GND)
100 k
Ω
MAIN board
+
–
SECTION  4
ELECTRICAL  ADJUSTMENTS
set
MAIN board
TP (ANT)
MAIN board
TP (GND)
0.01 
µ
F
Carrier frequency : 87.5 MHz 
Modulation
: no modulation
Output level
: 0.1 V (100 dB)
FM RF SSG
33 k
Ω
+
+
–
MAIN board
TP (FMST)
TP (RADIO +B)
TP (GND)
frequency counter
1 
µ
F/50 V
digital voltmeter
TP (VT)
TP (AM GND)
100 k
Ω
MAIN board
+
–
Page of 44
Display

Click on the first or last page to see other ICF-CD863V service manuals if exist.

RANDOM: