Self-Diagnosis Function With Power-On - Sony BVH-2000 Operation And Maintenance Manual

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FAULT!
PART
lL-J.M\\..ru
IC-2E(RAM)
IC-2D(RAM)
IC-lK(ROM)
IC-lI(ROM)
IC-lH(ROM)
IC-lG (ROM) , ROM Checksum
IC-lE(ROM)
IC-lD(ROM)
IC-lC(ROM)
SY-80 BRD
IC-2H(CTC)
Kev/Switch
"OF",
uoesn work..
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RAM Data Reaa/Wr~te Error
RAM Data Read/Write Error
ROM Checksum Error
ROM Checksum Error
ROM Checksum
r
rr
ROM Checksum .r
ROM Checksum
rr
ROM Checksum
r
Error occures on SY-80 board.
CTC Vertical Interrupt Error
Kev/Switch on SY-79 may be shorted.
FAULTY
PART
IC-2I(CPU}
IC-IB(RAM)
IC-lF(ROM)
IC-ID(ROM)
IC-lC(ROM)
IC-IJ(RAM)
SV-43 BRD
SY-79 BRD
IC-3K(CTC)
LG-02 BRD
SV-43
FAULTY
NDl PART
IC-IM(RAM)
IC-6M(RAM)
00
Data Bus
Address Bus
Control Bus
01
IC-IN IC-2N
IC-IN,IC-2N
IC-3H
IC-4K
IC-3K
IC-3J
Tf"_"lT
IC-6M(RAM)
IC-4G
IC-5H
IC-5G
IC-5M
Tf"_
IC ·IF
IC-IH
IC-II
IC-6I
IC ·6K
Vi of
Hard CP
*1
CPU doen t work..
RAM Data Read/Write Error
ROM Checksum Error
ROM Checksum Error
ROM Checksum Error
Error occures at Common Memerv
Error occures on SV-43 board.
Error occures on SY-79 board.
CTC Vertical Interrupt Error
I
I LG-02 board is not installed.
RAM Data Read/Write Check
Host CPU Proqram Error Detector Check
Hard CPU ProQram
Error Detector
Memory I/O (Hard CPU)
Access Check
CPU)
Host/Hard Data Transfer Check
Checksum Error
Checksum Error
Checksum Error
Checksum Error
Checksum Error
Checksum Error
Hard CPU Ready State Check
BVH-2000(U/C)/PS/PM
BVH-2180(U/C)/PS/PM
Check