Sony CDP-3100 - Checking the Key Switches and Lighting of Ledg; Checking CDP-3100

2-5. CHECKING THE KEY SWITCHES AND
LIGHTING OF LEDS
2-5-1. Checking CDP-3100
CDP-3100 has the following functions for:
e Checking the key switches and lighting of LEDs on the
front panel
e Checking the DIP switches on the rear panel
e Checking the status of parallel remote (REMOTE-3)
Connection
CDP-3100 REAR PANEL
, Tool for checking
0 REMOTE-3
Note: Make the tool for checking REMOTE-3 according to
the following schematic diagram.
t
Round type DIN,8PIN connector, male
CDP-3100
SW : Momentary type
R:330Q
Procedure
(1) While pressing the OPEN/CLOSE key, turn on the
POWER switch.
(Checking the lighting of the LEDs and DABK-3101:
ADRESS BUS, DATA BUS CHECK, DABK-3102/3103:
DATA BUS CHECK)
Checking:
After all LEDs on the front panel and the status (LED) of the
parallel remote fight up and display for about five seconds,
the following LEDs fight up and display in order at reguiar
intervals.
These LEDs continue lighting up and display until any one
key switch is pressed.
All LEDs light up —» All LEDs go OFF
STOP-—>PLAYSTAND BYREF VIDEO+EXT WORD
GDISINTEXT WORD-REF VIDEO>SEC—>MIN
LINDEX->TRACK NO.->REMAIN TIME->TIME CODE
GON LINESSTAND BY—[PLAY>STOP—END ALAM]
Tt
LEDs for REMOTE-3 Checking Tool
When DABK-3101 is installed
Display
@"oPt-3101° (When DABK-3101 is installed)
@"nEn-db-1" | DATA BUS CHECK
@"nEn-db-2" (Display whonnerror occurred.)
@'nEn-Ab-1" ADRESS BUSS CHECK
@©"nEn-Ab-2” (Display when an error occurred.)
©"nEn-rAn-1" RAM CHECK
@"nEn-rAn-2” (Display when an error Occurred.)
L
When DABK-3102 or DABK-3103 is installed.
Display
@"oPt-3102” When DABK-3102 is installed.
@"oPt-db-1" DATA BUS CHECK
@oPt-db-2” (Display when an error occorred.)
@"oPt-db-3”
©"oPt-db-4"
@©"oPt-rAn-1” ) RAM CHECK
@"oPt-rAn-2” (Display when an error occorred.)
or
@"oPt-3103" When DABK-3103 is installed.
@’oPt-db-1" \, DATA BUSS CHECK
@"oPt-db-2” {Display when an error occurred)
@oPt-db-3"
©oPt-db-4”
©"oPt-rAn-1" RAM CHECK
@’oPt-rAn-2” (Display when an error occurred)
2-5 (E)