Realistic PRO-2022 - Table of Contents

CONTENTS
Page
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Bloek Diagram 4
Pr inciples of Operation 5
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Genera l Operation Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Alignment/Adjustment 9
Memory Check 16
Reception Check 17
Troubleshooting 18
Headphone Jack PCB (Top Views) 20
Hea dphone Jack PCB (Bottorn V iews ) 20
Ma in PCB (TOP Views) 21
Ma in PCB (Botto rn V iews ) 23
Wiri ng D iagram 25
Disassembly/Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Ele ct r ica l Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Mec ha ni cal Parts L ist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 44
Semic on ductor Lead Identification and IC Diagram 45
Microprocessor (IC7) Port Format 52
Ap pend ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Powe r T ra nsformer Specification 54
Schemati c D iagram 55
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special characteristics. These character-
istics aften
pass unnaticed and the protectlon afforded by them cannot necessarily be obta ined by
u si ng rep lacement components rated for higher voltage, wattaqe, etc. Replacement parts t hat have
th ese spec ial safety characteristics are identi fi ed in th is manua l and its supplements; electr ical com-
ponents
ha ving such features are ident if ied by a in the schematic diagram and the parts li s t.
Be fore rep lacing any of these components, read the parts list in th is man ua l carefu ll y. The use of
substitute replacement parts that do not have the same safety characteristics as specif ied in the
parts list may create shock, fire or other hazards .
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