Sony DNW-30P, Руководство по обслуживанию

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2-19
DNW-A30/A30P
DNW-30/30P
SS-63 board
LED No. Name Color Description Normal state
D108 SV Amber Represents the result of communication check to ROM and RAM Blinks
after power on by blinking state.
D112 TRVR Amber Lights when the tracking VR is enable. Stays unlit
D301 DRUM Amber Blinks during the drum microcomputer (IC314 on SS-63 board) under Blinks
normal operation. Usually lights for 30 ms at intervals of 1.1 to 1.5 s.
The blinking interval is inverted when the drum is locked.
D1102 SY1 STS1 Green Blinks when SYS1 CPU operates normally. Blinks
D1103 SY1 STS2 Green Lights when between SYS1 and KEY PANEL (KY-364) communicates normally. Lights
Turn off when between SYS1 and KEY PANEL (KY-364) communicates
abnormally.
D1104 MAINTE Green Lights during maintenance mode is performed. Stays unlit
D1105 SY1 ERR Red Lights SYS1 CPU does not operate normally. Stays unlit
Blinks when between SYS1 CPU and other CPU (SYS2 KY) commmunicates
abnormally.
D1902 SY2 STS1 Green Blinks when SYS2 CPU operates normally. Blinks
D1903 SY2 STS2 Green Lights when between SYS2 and SV CPU communicates normally. Lights
Turn off when between SYS2 and SV CPU communicates abnormally.
D1904 SY2 STS3 Green Lights when between SYS2 and SYS1 CPU communicates normally. Lights
Turn off when between SYS2 and SYS1 CPU communicates abnormally.
D1905 SY2 ERR Red Lights when SYS2 CPU does not operate normally. Stays unlit
Blinks when between SYS2 CPU and other CPU (SYS1, SV) communicate
abnormally.
Blinking pattern of D108 on SS-63 board
2-11. Information of LEDs on Circuit Boards
Lighting
off
Normal state
30 ms 1.1 to 1.5 s
ROM checksum error
Scores of milliseconds
RAM error
System control dual port RAM error
0.1 s
0.1 s
0.5 s 0.5 s Repeat
0.1 s
0.5 s 0.5 s 0.5 s Repeat
Lighting
off
Lighting
off
Lighting
off
Scores of milliseconds
Scores of milliseconds
http://getMANUAL.com