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Onkyo HT-R520 Service Manual

Onkyo HT-R520
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IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-2
Q212,213: LA7956 (Video switch)
BLOCK DIAGRAM
TX-SR502/E/8250/HT-R520
TRUTH TABLE
S2
(Pin 2)
H
L
H
L
S3
(Pin 3)
H
H
L
L
Vin1
(Pin 4)
ON
OFF
OFF
OFF
Vin2
(Pin 6)
OFF
ON
OFF
OFF
Vin3
(Pin 8)
OFF
OFF
ON
OFF
Vin4
(Pin 9)
OFF
OFF
OFF
ON
driver control
6dB
amp
video switch
(4input 1output)
123 4
VIDEO
OUT
A B VINI
5
GND
6
VIN2
7
VCC
8
VIN3
9
VIN4

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Onkyo HT-R520 Specifications

General IconGeneral
BrandOnkyo
ModelHT-R520
CategoryReceiver
LanguageEnglish

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