Pioneer PRV-LX10 Service Manual page 107

5
Initial setting of the jumper switches
• The figure is a top view of a jumper switch.
• Above Pin 1 of a switch, a gray mark (shown in the figure on the right)
is provided. With some switches, there will be a white mark above Pin 1
on the Motherboard.
• The position of the latch of a switch is indicated with a thick line,
as shown in the figure on the right.
• The initial setting of a jumper switch is indicated by double lines,
as shown in the figure on the right.
JP18 : Jumper switch for Power button, Reset, HDD LED, and Power LED
1 (–) - 2 (+) IDE LED
3 (+) - 4 (+) 5 (–) Power LED
6 (+) - 7 (–) Power button
8 (–) - 9 (+) Reset button
9 8 7 6 5 4 3 2 1
DKP3635 (Color of the cable: white) to Pin 1 of the jumper switch, as shown above.
If inappropriately connected, the unit will not start up.
JP14 : CMOS clear
1 - 2 : Position for normal use (factory-preset position)
2 - 3 : CMOS clear
3 2 1
JP4 : SERIRQ for PCI Slot 3
OPEN : SERIRQ invalid (factory-preset position, SERIRQ not supported)
SHORT : SERIRQ valid
1 2
JP9 : Connector for audio and front panel
At the shipping, the jumper pins are connected to Pins 5-6 and Pins 9-10.
MIC_IN_FP 1
MIC_BIAS 3
R_FNTOUT
5
NOT connected 7
L_FNT_OUT 9 10
JP16 : Selection of the clock frequency
1 - 2 : CPU select (factory-preset position)
2 - 3 : 100MHz
EMPTY : 133MHz
3 2 1
J7 : CPU fan jumper switch
Connect a CPU fan whose rotation-speed monitoring is supported.
1
GND
2
+12V
3 CPU-fan-rotation-speed monitoring (by SIO)
Note: The CPU fan is installed in this unit at the factory.
No jumper pin or wire is connected to JP4, JP5, JP6, JP8, JP13, or J6.
5
6
2 AUD_JACK_GND
4 V_5P0_AUD_ANALOG
R_RETIN
6
8 NOT connected
L_RETIN
6
7
PRV-LX10
7
8
A
B
C
D
E
F
107
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