Sony ICF-1000-L Service manual
ICF-1000L
SERVICE MANUAL
Ver 1.0 2000.07
SPECIFICATIONS
Frequency range:
FM: 87.5 – 108.0 MHz
SW: 5.95 – 18 MHz
MW: 530 – 1 605 kHz
LW: 153 – 255 kHz
Speaker:
Approx. 10.2 cm (4 1⁄8 inches) dia. 8 Ω
Power output:
1W (at 10% harmonic distortion)
Output:
v jack (ø 3.5 mm minijack)
Power requirements:
With the supplied AC power cord:
220 – 230 V AC, 50 Hz
With four R6 (size AA) batteries: 6V DC
Dimensions:
Approx. 299 x 139.5 x 83.2 mm (w/h/d)
(11 7⁄8 x 5 1⁄2 x 3 3⁄8 inches) incl. projecting parts and control.
Mass:
Approx. 1100 g (2 lb 7 oz) incl. batteries
Supplied accessory:
AC power cord(1)
AEP Model
UK Model
Design and specifications are subject to change
without notice.
FM/SW/MW/LW 4 BAND RADIO
TABLE OF CONTENTS
Specifications ........................................................................... 1
1. GENERAL
Choosing Power Sources ................................................... 3
Operating the Radio Manual Tuning ................................. 3
2. DISASSEMBLY
2-1. Cabinet (Rear)............................................................. 4
2-2. Power Board ............................................................... 4
2-3. AC IN Board, AMP Board.......................................... 5
2-4. Main Board, Key Board.............................................. 5
2-5. Setting the Pointer ...................................................... 6
3. ELECTRICAL ADJUSTMENT
3-1. MW Section ................................................................ 7
3-2. LW Section ................................................................. 7
3-3. SW Section ................................................................. 7
3-4. FM Section ................................................................. 7
4. DIAGRAMS
4-1. Block Diagram............................................................ 9
4-2. Printed Wiring Boards (1/2) ......................................11
4-3. Printed Wiring Boards (2/2) ..................................... 13
4-4. Schematic Diagrams ................................................. 15
5. EXPLODED VIEWS
5-1. Rear Cabinet Section ................................................ 18
5-2. Front Cabinet Section ............................................... 19
5-3. Chassis Section ......................................................... 20
6. ELECTRICAL PARTS LIST................................... 21
• HOW TO CHANGE THE CERAMIC FILTER
This model is used three ceramic filters of CF2, CF3 and CF4.
You must use same type of color marked ceramic filters in
order to meet same specifications.
Therefore, the ceramic filter must change three pieces together
since it's supply three pieces in package as a spare parts.
markmark
CF4
• white/white only
mark mark
CF2
CF3
Mark
red
blue
orange
black
white
white/white
yellow
Center
frequency
10.70MHz
10.67MHz
10.73MHz
10.64MHz
10.76MHz
10.75MHz
10.79MHz
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY P AR TS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
CF4
CF2
CF3
– 2 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 3 –
SECTION 2
e
DISASSEMBLY
r
The equipment can be remo ved using the f ollo wing pr ocedure .
Set
Cabinet (rear)
Power board AC IN board
AMP board
Main board, Key board
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (REAR)
2
Screws (+BTP 3x20)
Cabinet (rear)
3
Lid, Battery cas
1
3
2-2. POWER BOARD
3
Screws (+BTP 2.6x10)
Power board
Operation switch (S401)
z
Cautions during assembly
Align the operation
switch (S401) with the
groove of button (power).
8
Button (power)
Cabinet (front)
7
2
Remove solder
6
CN401
Blue
1
Screw (+BTP 2.6x8)
Cabinet (rear)
4
AC IN board (CN405)
5
AMP board (CN601)
Cabinet (front)
– 4 –
2-3. AC IN BOARD , AMP BOARD
)
5 Screws (+BTP 2.6x6)
3 Screws
(+BTP 3x10)
9 Screws (+BTP 3x10)
9 Screws (+BTP 3x10)
8 Remove solder
7 CN201
q; Claw
q; Claw
1 Knob (tone)
1 Knob (tuning)
q; Claws
6
qa
4
2 Wind up thread,
and pull it up
Thread
Knob (band)
key board
Main board
Chassis
Cabinet (front)
Holder
1
Screws (+BTP 2.6x10)
AC IN board
2-4. MAIN BOARD, KEY BOARD
3
2
5
Claws
6
4
Screw (+BTP 3x20
CN602
7
AMP board
Cabinet (front)
– 5 –
s
2-5. SETTING THE POINTER
1 T urn the drum (B) in the direction of A until it stopped.
2 Insert the rack (pointer) into the chassis groove.
3 Install the pointer .
4 Slid the pointer and align it with the groove on the scribed
4
Scribed
line
Pointer
Rack (pointer)
Pointer
3
Rack (pointer)
2
Gear, VOL
1
Drum (B)
A
Chassi
Drum (A)
"Gear , V OL" enga ges with
drum (A) like a figure.
– 6 –
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