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No.24
SIO1 (IC1101/DSP-113)
No
Check the power supply
Is pin 42 of IC1101/DSP-113
+3.3 V (±10%)?
Yes
No
Check the clock
Is pin 15 of IC1101/DSP-113
3.6864 MHz?
Yes
No
Are other SH bus devices
/DSP-113 OK?
Yes
Check the
IC1101/DSP-113,
or the peripheral circuit.
No.26
M/S (IC504/CPU-382)
No
Check the power supply
Is pin 10 of IC504/CPU-382
+3.3 V (±10%)?
Yes
Check the clock
No
Is pin 3 of X502/CPU-382
40 MHz?
Yes
No
Are other SH bus devices
/CPU-382 OK?
Yes
Check the IC504/CPU-382,
or the peripheral circuit.
PCS-G70N/G70NP/G70NP2
PCS-G70S/G70SP
Check the
IC2401/DSP-113,
or the peripheral circuit.
Check the
IC1101, X1101/DSP-113,
or the peripheral circuit.
Check the Bus buffers
(IC2301-IC2307/DSP-113),
or the peripheral circuit.
Check the IC302/PS-686,
or the peripheral circuit.
Check the
IC504, X502/CPU-382,
or the peripheral circuit.
Check the followings
. Bus buffers
(IC2209-IC2216/CPU-382),
or the peripheral circuit
. IC302, IC402/CPU-382,
or the peripheral circuit
No.25
SIO2 (IC1102/DSP-113)
No
Check the power supply
Is pin 42 of IC1102/DSP-113
+3.3 V (±10%)?
Yes
Check the clock
No
Is pin 15 of IC1102/DSP-113
3.6864 MHz?
Yes
No
Are other SH bus devices
/DSP-113 OK?
Yes
Check the
IC1102/DSP-113,
or the peripheral circuit.
No.27
USB (IC2102/CPU-382)
No
Check the power supply
Is FB2103/CPU-382
+3.3 V (±10%)?
Yes
No
Check the clock
Is X2101/CPU-382
12 MHz?
Yes
No
Are other SH bus devices
/CPU-382 OK?
Yes
Check the
IC2102/CPU-382,
or the peripheral circuit.
Check the
IC2401/DSP-113,
or the peripheral circuit.
Check the
IC1102, X1102/DSP-113,
or the peripheral circuit.
Check the Bus buffers
(IC2301-IC2307/DSP-113),
or the peripheral circuit.
Check the IC301/PS-686,
or the peripheral circuit.
Check the
IC2102, X2101/CPU-382,
or the peripheral circuit.
Check the followings
. Bus buffers
(IC2209-IC2216/CPU-382),
or the peripheral circuit
. IC302, IC402/CPU-382,
or the peripheral circuit
4-21 (E)
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