Notes On Schematic Diagram - Sharp WQ-790W Service Manual

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Service manual (23 pages)

Table of Contents

WQ-790W

CNS110

T301

BIAS

OSCILLATION

CNS108

SW2

TRACKING

SW1

TRACKING

•

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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TRACKING

T203

AM IF

IC202

VCO

T202

VR201

DETECTION

TC210

TC209

L208

TRACKING

L206

Figure 6 ADJUSTMENT POINTS