Russound MCA-C5 Service Manual page 137

5
D
C
B
A
5
4
To Front Panel
J17 J17
1
2
3 1 2
4
R145 R145
27 Ohm 27 Ohm
CON4 CON4
R148 R148
1 2 B
10K 10K
R149 R149
100K 100K
4
3
Front USB
+5V
U35 U35
1 8
CS VCC
2 7
CLK NC
3 6
DI ORG
4 5
DO VSS
93C46 93C46
R142 R142 R143 R143
10K 10K 2.2K 2.2K 1K Serial EEPROM
C125 C125 C126 C126
33pF 33pF 33pF 33pF
Y5 Y5
1 2
6.000 MHz 6.000 MHz
+5V
R146 R146
27 Ohm 27 Ohm
1 2
R147 R147
2 1
U36 U36
1.5K 1.5K
Q30 Q30
MMBT3904LT1 MMBT3904LT1
1
EESK RXD
2
EEDATA RTS
3
VCC CTS
4
RESET DTR
5
RSTO DSR
6
3.3V_OUT DCD
7
USBDP RI
8
USBDM GND
FT232BL FT232BL
C130 C130
0.033uF 0.033uF
+5V
C131 C131 + + C132 C132
2.2uF 25V 2.2uF 25V
0.1uF 50V 0.1uF 50V
3
2
C122 C122 C123 C123 + C124 + C124
0.1uF 50V 0.1uF 50V 0.1uF 50V 0.1uF 50V 10uF 16V 10uF 16V
+5V
R144 R144
470 470
FRONT_USB_RXD sh2
C129 C129
0.1uF 50V 0.1uF 50V
+3.3V
24
FRONT_USB_TXD sh2
23
22
21
20
19
18
17
2
1
D
C
B
A
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Tuesday, November 25, 2008 Tuesday, November 25, 2008 13 13 13 13
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