MICROFILM
SERVICE MANUAL
RADIO CASSETTE PLAYER
US Model
WM-FX267/FX269
AEP Model
E Model
WM-FX267
Model Name Using Similar Mechanism
WM-FX251
Tape Transport Mechanism Type
MF-WMFX251-114
· Frequency range
FM: 87.5-108MHz
AM: 530-1710kHz (US)
AM: 531-1602kHz (EXCEPT US)
· Power requirements
3V DC batteries AA (R6)
× 2/External DC 3V
power sources
· Demensions
115
× 90.5 × 34.4mm (4 5/8 × 3 5/8 1 3/8 inches) (w/h/d)
incl. projecting parts and controls
· Mass
Approx. 150g (5.3 oz)
Approx. 230g (8.2 oz) incl. batteries and a tape
· Supplied accessories
Stereo headphones or earphones (1)
Carrying case (1)
Design and specifications are subject to change without notice.
SPECIFICATIONS
WM-FX267/FX269
Photo: WM-FX267 US model
Ver 1.3 2000. 05
With SUPPLEMENT-1
(9-923-300-81)
With SUPPLEMENT-2
(9-923-300-82)
2
TABLE OF CONTENTS
1.
GENERAL .................................................................. 3
2.
DISASSEMBLY ........................................................ 6
3.
MECHANICAL ADJUSTMENTS ...................... 9
4.
ELECTRICAL ADJUSTMENTS
Tape Section .................................................................... 9
Tuner Section .................................................................. 10
5.
DIAGRAMS
5-1. IC Pin Function Description ........................................... 12
5-2. Block Diagram ................................................................ 13
5-3. Printed Wiring Board ...................................................... 15
5-4. Schematic Diagram ......................................................... 19
6.
EXPLODED VIEWS ................................................ 24
7.
ELECTRICAL PARTS LIST ............................... 27
HOW TO CHANGE THE CERAMIC FILTERS
This model is used two ceramic filters of CF2 and X2.
You must used same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must changed two pieces together
since it's supply two pieces in one package as a spare parts.
Mark
Center frequency
red
10.70MHz
blue
10.67MHz
orange
10.73MHz
black
10.64MHz
white
10.76MHz
mark
CF2
X2
Flexible Circuit Board Repairing
· Keep the temperature of the soldering iron around 270 ° C dur-
ing repairing.
· Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
· Be careful not to apply force on the conductor when soldering
or unsoldering
Notes on chip component replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SERVICING NOTES
3
SECTION 1
GENERAL
This section is extracted from
instruction manual.
4
5