Marantz SR620 - Page 3

TABLE OF CONTENTS
Section
Page
INTRODUCTION?
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1.
SHOCK
FIRE
HAZARD
SERVICE
TEST
.......
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2:
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3.
TEST EQUIPMENT
REQUIRED
FOR
SERVICING
.....
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4.
TUNER
ALIGNMENT
PROCEDURES
.........
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2
4.1
FM
Alignment
Procedures
.
2...
2.
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4.2 Multiplex Alignment Procedures . 2... 2... ee eet eee 3
4.3 AM Alignment Procedures ... 2... 0. ee ee ee ee eee ee ee 3
5.
ALIGNMENT
POUNT.
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5
6.
CX
CIRCUIT
ALIGNMENT
AND
MEASUREMENT
PROCEDURE
.............
0.02
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5
7.
VOLTAGE
CONVERSION
..
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6
8.
<CIRCUIT
DESCRIPTION
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‘BLOCK:
DIAGRAM:
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10.
SCHEMATIC
DIAGRAM
AND
COMPONENT
LOCATIONS
.......
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23
10.1
U-COM
Assembly
(P501)
Schematic
Diagram
and
Component
Location
.........-.---+--5
200
ees
23
10.2
Scan
Step
Assembly
(P504)
Schematic
Diagram
and
Component
Location
(SR620/SR520)
...........
23
10.3.
Display
Assembly
(P502)
Schematic
Diagram
and
Component
Location
.........-....-+++e0-05-
24
10.4
Key
Switch
Assembly
(P503)
Schematic
Diagram
and
Component
Location............---++-.++-:
24
10.5
Tuner/Phono
Assembly
(P100)
Schematic
Diagram
and
Component
Location
(SR620/SR620L)........
26
10.6 Speaker Switch Headphone Assembly (PTO0) Schematic Diagram and Component Location(SR620/SR620L). 26
10.7 Speaker Terminal Assembly (PW00) Schematic Diagram and Component Location (SR620/SR620L)..... 27
10.8 Power Switch Assembly (PU00) Schematic Diagram and Component Location (SR620/SR620L) ....... 28
10.9
Volume/Balance
Assembly
(PGOO)
Schematic
Diagram
and
Component
Location
(SR620/SR620L)......
29
10.10
Tape
2
Monitor
Assembly
(PV00)
Schematic
Diagram
and
Component
Location
(SR620/SR620L)
......
29
10.11
Tone
Amp.
Assembly
(PE00)
Schematic
Diagram
and
Component
Location
(SR620/SR620L)
.........
30
10.12
DE-Emphasis
Switch
Assembly
(PC50)
Schematic
Diagram
and
Component
Location
(SR620
ONLY)
....
30
10.13
Main/Power
Supply
Assembly
(P700)
Schematic
Diagram
and
Component
Location
(SR620/SR620L)...
31
10.14
CX
Control
Assembly
(PD00)
Schematic
Diagram
and
Component
Location
(SR620
ONLY)
..........
32
10.15
CX
Switch
Assembly
(PD50)
Schematic
Diagram
and
Component
Location
(SR620
ONLY)
........-..
32
10.16
CAL.
L.E.D.
Assembly
(PZ00)
Schematic
Diagram
and
Component
Location
(SR620
ONLY).......--.
33
10.17
IND.
L.E.D.
Assembly
(PZ51)
Schematic
Diagram
and
Component
Location
(SR620
ONLY)
........-.
33
10.18
Tuner/Phono
Assembly
(P100)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)
........
34
10.19
Speaker
Switch
Headphone
Assembly
(PT00)
Schematic
Diagram
and
Component
Location(SR520/SR520L)
.
34
10.20
Speaker
Terminal
Assembly
(PWOO)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)
....
35
10.21
Power
Switch
Assembly
(PU0O)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)
.......
36
10.22
Volume/Balance
Assembly
(PGOO)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)......
37
10.23
Tone
Amp.
Assembly
(PE00)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)
.........
38
10.24
DE-Emphasis
Switch
Assembly
(PC50)
Schematic
Diagram
and
Component
Location
(SR520
ONLY)
....
38
10.25
Main/Power
Supply
Assembly
(P700)
Schematic
Diagram
and
Component
Location
(SR520/SR520L)
.
.
. 39
11. EXPLODED VIEW AND PARTS LIST ........... 0.0... eee cee ee ce ene eee 40
12.. -ECECTRICAL: PARTS UIST secceciced sh ee Se Se eS ig, Be ee PR Od See RO 49
13. TECHNICAL SPECIFICATIONS ~ ..... 2... ee eee eee 60
14.
SCHEMATIC DIAGRAM. | nse 2 bi wane ened ie 8 Se Oe EI a eee Pas 65