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Notes On Schematic Diagram; Types Of Transistor And Led - Sharp WF-930Z(BK) Service Manual

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WF-930Z
Resistor:
To differentiate the units of resistors, The symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
an ohm resistor. The resistor designated "Fusible" is a fuse
type resistor.
• Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression "capacitance/withstand voltage" is
used.
(CH),(RH),(UJ): Temperature compensation
(ML): Mylar type
(S): Styrol type

NOTES ON SCHEMATIC DIAGRAM

FRONT
VIEW
E B C
8050 D
8550 D
9014 C
Figure 12-1 TYPE OF TRANSISTOR AND LED
• The indicated voltage in each section is the one measured by
Digital Multimeter between such a section and the chassis
with no signal given.
• Schematic diagram and Wiring Side of P.W. Board for this
model are subject to change for improvement without prior
notice.
• Parts marked with " î" (
the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of
the set.
REF. NO.
DESCRIPTION
SW1
BAND SELECTOR
SW101
RECORD/PLAYBACK
SW102
BEAT CANCEL
SW103
DUBBING SPEED/MIC
SW301
FM MODE
SW401
FANCTION SELECTOR
SW501
TAPE 2 MAIN
SW502
TAPE 1 MAIN
SW503
TAPE 2 PLAY
SW601
VOLTAGE SELECTOR
– 12 –
) are important for maintaining
POSITION
SW2
PLAYBACK
A
OFF/MIC ON
MONO
TAPE/STAND-BY
OFF
OFF
OFF
AC 220-240V
FRONT
VIEW
L-34HD

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