Sony DNW-30P, Руководство по обслуживанию

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2-20
DNW-A30/A30P
DNW-30/30P
2-11. Information of LEDs on Circuit Boards
TBC-23 board
D200
DM-89 board
D902
DIF-42 board D713
DM-89 board (DNW-A30/A30P only)
LED No. Name Color Description Normal state
D902 ADJUST Amber Usually lights for scores of milliseconds at intervals of about 1 s. Blinks
The blinking interval is inverted when the DM-89 board is in the
adjustment mode: when switch S901-1 on DM-89 board is set to ON.
TBC-23 board (DNW-A30/A30P only)
LED No. Name Color Description Normal state
D200 TBC Amber Lights once a second during TBC microcomputer (on TBC-23 board) Blinks
operates under normal condition.
DIF-42 board
LED No. Name Color Description Normal state
D713 VCO ADJ Green Lights when electronic volume (EVR) data comes near the proper Stays unlit
value during VCO free-running adjustment in the maintenance mode.