Sony DSR-1800 Service Manual page 173

When the main code is 3X :
All sub codes are 000.
When the main code is 91 :
X X X
Third digit : Abnormal symptom
Second digit :CPU (microprocessor) or IC of the
communication counterpart.
First digit : CPU (microprocessor) or IC which detects the
abnormality.
First and second digits : CPU (microprocessor) code.
1 : System control main CPU
(SSP-24 (DSR-1800/P)/SSP-23 (DSR-1600/P), IC501)
2 : Keyboard u-COM (KY-484, IC102)
3 : Memory
4 : Servo main CPU
(SSP-24 (DSR-1800/P)/SSP-23 DSR-1600/P), IC202)
5 : Servo sub u-COM (DR-428, IC1)
7 : SPCON main CPU
(SSP-24 (DSR-1800/P)/SSP-23 DSR-1600/P), IC501)
D : DV I/F u-COM (DV-26, IC602)
E : Digital I/F u-COM (SDI-61, IC402)
F : SDI I/F u-COM (SDI-62, IC703)
Third digit : Abnormal symptom (when the communi-
cation counterpart is other than memory)
1 : Abnormal checksum
2 : Abnormality of overrun
3 : Abnormal parity
4 : Abnormal framing
5 : Communication could not be completed in the speci-
fied time.
Third digit : Abnormal symptom (when the communi-
cation counterpart is memory)
0 : Abnormality of ROM
1 : Abnormality in the external memory area
2 : Abnormality in the internal memory area
3 : Abnormality in the common memory-1 area
4 : Abnormality in the common memory-2 area
9 : Abnormality in the EEPROM area
A : Abnormality in the NVRAM area
B : Abnormality in the Hours Meter area
C : Abnormality in the volume adjust data area
F : Abnormality of MIC
DSR-1800/P/1600/P
When the main code is from 92 to 94 :
X X X
Third digit : Abnormal signal
Second digit : IC to which the signal is input
First digit : CPU (microprocessor) which detects the
abnormality
. . . . . Same as the main code 91
Third digit : Abnormal signal
1 : Reference frame pulse of the output signal (NSG OE)
2 : Reference track pulse of the playback side (P-TRKT)
3 : Reference frame pulse of the playback side (P-FLTT)
4 : Reference track pulse of the record side (R-TRKT)
5 : Reference frame pulse of the record side (R-FLTT)
6 : Reference track pulse of the playback side (P-TRKD)
7: Reference frame pulse of the playback side (P-FLTD)
8: Reference track pulse of the record side (R-TRKD)
9: Reference frame pulse of the record side (R-FLTD)
When the main code is 95 :
X X X
Second and third digits :
IC of the communication counterpart.
(The second digit indicates the communica-
tion line number and the third digit indicates
the CS number.)
First digit : CPU (microprocessor) or IC which detects the
abnormality.
. . . . . Same as the main code 91
4-2. Error Codes
4-7