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No.32-1
TI-DSP(MUX) (IC1651/CPU-382) - SDRAM
Check the power supply
Is FB1701/CPU-382
+3.3 V (±10%)?
Yes
Check the clock
Is pin 1 of IC1653/CPU-382
25 MHz?
Yes
Check the clock
Any pin 38 of IC1701-IC1704
/CPU-382
25 MHz?
Yes
Check the
IC1651,IC1701-IC1704
/CPU-382,
or the peripheral circuit.
No.32-3
TI-DSP(DEC) (IC501/DSP-113) - SDRAM
Check the power supply
Is FB702/DSP-113
+3.3 V (±10%)?
Yes
Check the clock
Is pin 1 of IC502/DSP-113
25 MHz?
Yes
Check the clock
Any pin 38 of IC601-IC604
/DSP-113
25 MHz?
Yes
Check the
IC501, IC601-IC604
/DSP-113,
or the peripheral circuit.
PCS-G70N/G70NP/G70NP2
PCS-G70S/G70SP
No
Check the IC301/PS-686,
or the peripheral circuit.
Check the
No
IC502, X501/CPU-382,
or the peripheral circuit.
Check the
No
IC1651, IC1653/CPU-382,
or the peripheral circuit.
Check the
No
IC2401/DSP-113,
or the peripheral circuit.
Check the
No
IC208, X201/DSP-113,
or the peripheral circuit.
No
Check the
IC501, IC502/DSP-113,
or the peripheral circuit.
No.32-2
TI-DSP(ENC) (IC201/DSP-113) - SDRAM
Check the power supply
No
Is FB301/DSP-113
+3.3 V (±10%)?
Yes
No
Check the clock
Is pin 1 of IC210/DSP-113
25 MHz?
Yes
Check the clock
No
Any pin 38 of IC301-IC304
/DSP-113
25 MHz?
Yes
Check the
IC201, IC301-IC304
/DSP-113,
or the peripheral circuit.
No.32-4
TI-DSP(MCU) (IC801/DSP-113) - SDRAM
Check the power supply
No
Is FB1002/DSP-113
+3.3 V (±10%)?
Yes
Check the clock
No
Is pin 1 of IC802/DSP-113
25 MHz?
Yes
Check the clock
No
Any pin 38 of IC901-IC904
/DSP-113
25 MHz?
Yes
Check the
IC801, IC901-IC904
/DSP-113,
or the peripheral circuit.
Check the
IC2401/DSP-113,
or the peripheral circuit.
Check the
IC208, X201/DSP-113,
or the peripheral circuit.
Check the
IC201, IC210/DSP-113,
or the peripheral circuit.
Check the
IC2401/DSP-113,
or the peripheral circuit.
Check the
IC208, X201/DSP-113,
or the peripheral circuit.
Check the
IC801, IC802/DSP-113,
or the peripheral circuit.
4-23 (E)
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