Sony PCS-G50 Service Manual page 44
Video communication system
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Also See for PCS-G50:
- System integration manual (122 pages) ,
- Operating instructions manual (17 pages) ,
- Manual (10 pages)
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No.3
WAN Ether (IC2001/CPU-382)
Check the power supply
No
Is FB2001/CPU-382
+3.3 V (±10%)?
Yes
No
Check the clock
Is JC2002/CPU-382
25 MHz?
Yes
Check the clock
No
Is JC2001/CPU-382
33 MHz?
Yes
Check the
IC101, IC2001/CPU-382,
or the peripheral circuit.
No.5
CyberPro (IC1301/CPU-382)
No
Check the power supply
Is FB1301/CPU-382
+3.3 V (±10%)?
Yes
No
Check the clock
Is pin 3 of IC506/CPU-382
27 MHz?
Yes
No
Check the clock
Is pin 2 of IC505/CPU-382
33 MHz?
Yes
Check the
IC101, IC1301/CPU-382,
or the peripheral circuit.
4-10
Check the IC301/PS-686,
or the peripheral circuit.
Check the IC501, IC502,
X501/CPU-382,
or the peripheral circuit.
Check the
IC505, X503/CPU-382,
or the peripheral circuit.
Check the IC301/PS-686,
or the peripheral circuit.
Check the followings
. IC506/CPU-382,
or the peripheral circuit
. IC102, IC103, X101
/DSP-113,
or the peripheral circuit
Check the
IC505, X503/CPU-382,
or the peripheral circuit.
No.4
DSB Ether (IC1901/CPU-382)
No
Check the power supply
Is FB1902/CPU-382
+3.3 V (±10%)?
Yes
No
Check the clock
Is JC1901/CPU-382
25 MHz?
Yes
No
Check the clock
Is JC1903/CPU-382
33 MHz?
Yes
Check the
IC101, IC1901/CPU-382,
or the peripheral circuit.
Check the IC301/PS-686,
or the peripheral circuit.
Check the IC501, IC502,
X501/CPU-382,
or the peripheral circuit.
Check the
IC505,X503/CPU-382,
or the peripheral circuit.
PCS-G50/G50P
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