Sony PCS-G50 Service Manual page 48
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.12
VIA2 (IC2201/DSP-113)
Check the power supply
No
Is FB2201/DSP-113
+3.3 V (±10%)?
Yes
Check the clock
No
Is JC2201/DSP-113
54 MHz?
Yes
Check the clock
No
Is JC2202/DSP-113
27 MHz?
Yes
Check the
IC2201/DSP-113,
or the peripheral circuit.
4-14
Check the
IC2401/DSP-113,
or the peripheral circuit.
Check the
IC101, X101/DSP-113,
or the peripheral circuit.
Check the
IC105, IC103, IC102
X101/DSP-113,
or the peripheral circuit.
No.13
Graphics (IC601/CPU-382)
No
Check the power supply
Is FB602/CPU-382
+3.3 V (±10%)?
Yes
No
Check the power supply
Is FB601/CPU-382
+1.8 V (±10%)?
Yes
No
Check the clock
Is pin 2 of IC506/CPU-382
27 MHz?
Yes
No
Are other SH bus devices
/CPU-382 OK?
Yes
Check the IC601/CPU-382,
or the peripheral circuit.
Check the
IC302/PS-686,
or the peripheral circuit.
Check the
IC2401/CPU-382,
or the peripheral circuit.
Check the IC102, IC103,
X101/DSP-113,
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
PCS-G50/G50P
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