Notes On Schematic Diagram; Types Of Transistor And Led - Sharp WF-1000W Service Manual

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Service manual (20 pages)

Table of Contents

CNP103

IC502

IC501

TAPE SPEED

VR102

CNP501

SPEAKER TERMINALS

•

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

• 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 "

" (

maintaining the safety of the set. Be sure to replace these

parts with specified ones for maintaining the safety and

performance of the set.

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SW401

SW1 BAND

COVERAGE

SW2 BAND

COVERAGE

MW BAND

COVERAGE fL

BIAS OSCILLATION

L301

SW102

MAIN PWB

Figure 7-1 ADJUSTMENT POINTS