Equipment information
Sony STR-DB870 Receiver
Manufacturer:
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Model:
STR-DB870
Date:
2001
Category:
Group:
Description:
FM STEREO/FM-AM RECEIVER
Information
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
20 – 20,000 Hz; rated 100 watts per channel
minimum RMS power, with no more than
0.09 % total harmonic distortion from 250
milliwatts to rated output (Models of area code U only).
TV Multimedia">Amplifier section
POWER OUTPUT
Models of area code U, CA
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
100 W + 100 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
90 W + 90 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT1):100 W + 100 W
CENTER1): 100 W
SURR1): 100 W + 100 W
SURR BACK1): 100 W
STR-DB870:
FRONT1): 100 W + 100 W
CENTER1): 100 W
SURR1): 100 W + 100 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT:1) 90 W + 90 W
CENTER1): 90 W
SURR1): 90 W + 90 W
SURR BACK1): 90 W
STR-DB870:
FRONT1):90 W + 90 W
CENTER1): 90 W
SURR1): 90 W + 90 W
SPECIFICATIONS
Models of other area code
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
100 W + 100 W2)
90 W + 90 W3)
STR-DB870:
100 W + 100 W2)
(4 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
90 W + 90 W2)
80 W + 80 W3)
STR-DB870:
100 W + 100 W2)
Reference Power Output2)
(8 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
FRONT 1): 100 W + 100 W
CENTER1): 100 W
SURR1): 100 W + 100 W
SURR BACK1): 100 W
STR-DB870:
FRONT 1): 100 W + 100 W
CENTER1): 100 W
SURR1): 100 W + 100 W
(4 ohms 1 kHz, THD 0.7 %)
STR-DB1070:
FRONT 1): 90 W + 90 W
CENTER1): 90 W
SURR1): 90 W + 90 W
SURR BACK1): 90 W
STR-DB870:
FRONT 1): 100 W + 100 W
CENTER1): 100 W
SURR1): 100 W + 100 W
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
STR-DB1070:
FRONT 1): 90 W + 90 W
CENTER1): 90 W
SURR1): 90 W + 90 W
SURR BACK1): 90 W
STR-DB870:
FRONT 1): 90 W + 90 W
CENTER1): 90 W
SURR1): 90 W + 90 W
Manual Type:
Service Manual
Pages:
86
Size:
8.43 Mbytes (8841216 Bytes)
Language:
english
Revision:
1
Manual-ID:
9-873-842-11
Date:
2001 04 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2018 10 04
MD5:
59420b76ddadd5813f544f68e04f6824
Downloads:
1382
Information
1.
2.
TABLE OF CONTENTS
SERVICING NOTES
... GENERAL
... 5
6
3.
DISASSEMBLY
3-1.
Disassembly Flow
...
8
3-2.
Case
...
9
3-3.
S-VIDEO board, VIDEO Board, TV Multimedia">Tuner ...
9
3-4.
VIDEO AU Board
...
10
3-5.
DIGITAL Board
...
10
3-6.
MAIN Board
...
11
4.
TEST MODE
...
12
5.
DIAGRAMS
5-1. Note for Printed Wiring Boards
and Schematic Diagrams
... 13
5-2. Schematic Diagram – DIGITAL Board (1/5) – ... 15
5-3. Schematic Diagram – DIGITAL Board (2/5) – ... 16
5-4. Schematic Diagram – DIGITAL Board (3/5) – ... 17
5-5. Schematic Diagram – DIGITAL Board (4/5) – ... 18
5-6. Schematic Diagram – DIGITAL Board (5/5) – ... 19
5-7. Printed Wiring Board
– DIGITAL Board (Component Side) – ... 20
5-8. Printed Wiring Board
– DIGITAL Board (Conductor Side) –
... 21
5-9. Printed Wiring Board – VIDEO Board –
... 22
5-10. Schematic Diagram – VIDEO Board –
... 23
5-11. Printed Wiring Boards
– S-VIDEO/VIDEO AU Boards –
... 24
5-12. Schematic Diagram
– S-VIDEO/VIDEO AU Boards –
... 25
5-13. Printed Wiring Board – MAIN Board –
... 26
5-14. Schematic Diagram – MAIN Board (1/3) –
... 27
5-15. Schematic Diagram – MAIN Board (2/3) –
... 28
5-16. Schematic Diagram – MAIN Board (3/3) –
... 29
5-17. Printed Wiring Board – BIAS Board –
... 30
5-18. Schematic Diagram – BIAS Board –
... 31
5-19. Printed Wiring Boards – DISP/SW Boards –
... 32
5-20. Schematic Diagram – DISP/SW Boards –
... 33
5-21. Printed Wiring Boards
– H.P/MUTING/POWER/SP/VIDEO 3 Boards – ... 34
5-22. Schematic Diagram
– H.P/MUTING/POWER/SP/VIDEO 3 Boards – ... 35
5-23. Printed Wiring Boards
– POWER SUPPLY Section –
... 36
5-24. Schematic Diagram – POWER SUPPLY Section – ... 37
5-25. IC Pin Function Description
... 43
6.
6-1.
6-2.
6-3.
6-4.
6-5.
EXPLODED VIEWS
Case Section
...
55
Front Panel Section-1
...
56
Front Panel Section-2
...
57
Chassis Section-1
...
58
Chassis Section-2
...
59
7.
ELECTRICAL PARTS LIST ... 60