Technics SX-PX554 Service Manual page 65

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PEDAL
IN
G
PKB CIRCUIT
PEDAL CORD
CN1 +5
3 4 1
2
5
3
4
1 2
5
C1
R8
0.1
4.7K
H
COM CIRCUIT
COMPUTER
SW1
MAC
2
PC1
3
PC2
4
MIDI
5
1,7,8
JP
WGE05
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09/08/2012
SW1 SW2
R9 R10 QSTGT001AA QSTGT001AA
4.7K 4.7K
JP WGE05
JK1
1 2
COMPUTER
3 5 JP WGE05
4 10
6
11
8
JP 7
JP WGE05
WGE05
JP WGE05
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SW3
QSTGT001AA
CN1
MAC
1
2 PC1
3 PC2
4 MIDI
TO
5 MSEL
MAIN
TXD-
6
CN8
7 TXD+
8 E
9 RXD+
10 RXD-