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Onkyo HT-R640 Service Manual

Onkyo HT-R640
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TX-SR604/604E/8460
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -11
1
2
3
4
8
7
6
5
Vcc
WP
SCL
SDA
A0
A1
A2
GND
2k Bit EEPROM Array
8bit
8bit
8bit
Address
Decorder
Slave word
address register
Data
register
Control circuit
START STOP
ACK
High-voltage
generation circuit
Power voltage
detection
Q8506,Q8606: BR24L02FV-W(256X8 bit EEPROM)
Terminal
Vcc
GND
A0,A1,A2
SCL
SDA
WP
I/O
-
-
I
I
I/O
I
Function
Apply a power source.
Ground terminal
Slave address setting terminal
Serial clock input
Slave and word address.
Serial data input and output
Write protect terminal
BLOCK DIAGRAM AND PIN CONFIGURATION
TERMINAL DESCRIPTION
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

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Onkyo HT-R640 Specifications

General IconGeneral
BrandOnkyo
ModelHT-R640
CategoryReceiver
LanguageEnglish

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