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3.2
Oscillation frequency check
1)
Clock oscillation frequency
Item
X1
X2
X4
X5
2)
Clock generator output frequency
Item
HCLKCPU
HCLKDIM
PCLKSLOT2
VGA_OSC
24MHz
48MHz
3.3
POWER switch / FRONT switch check
(1) Using the POWER switch, turned on the power supply.
z
Confirm that the system is started and the POWER LED is lit in green.
(2) In the state of (1) above, press the FRONT switch once.
z
Confirm that the LCD display is unlit.
z
Confirm that the POWER LED is lit in red and the other LEDs are unlit.
(3)
In the state of (2) above, press the FRONT switch once again.
z
Confirm that the system is started (the same screen as (1) is displayed at the LCD) and the POWER LED is lit in
green.
(4) Check rebooting then push the Reset switch.
Measuring point
R85 — TP6(GND)
R123 — TP6(GND)
C116 — TP6(GND)
C134 — TP4(GND)
Measuring point
R71 — TP6(GND)
R76 — TP6(GND)
R68 — TP6(GND)
R387 — TP6(GND)
R114 — TP6(GND)
R66 — TP6(GND)
FRONT Switch
POWER Switch
Standard
14.318Mhz±0.03%
32.768Mhz±0.005%
25.000Mhz±0.03%
10.000Mhz±2%
Standard
64.516Mhz~66.9MHz
64.516Mhz~66.9MHz
30.03Mhz~33.45MHz
14.286Mhz~14.925MHz
24.0Mhz±160ppm
48.0Mhz±160ppm
LAN
(1) (5) (2)
LED
(1)
POWER
(2)
Hard Disk
(3)
LAN
(4)
Magnetic card reader
(5)
Rest Switch
3-2
Remarks
Remarks
CARD
(3)
(4)
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