Sharp MD-MS200W Service Manual page 15

9. Error data display Mode
Step No.
Setting Method
Step 1 Test mode STOP state
Step 2 BASS button
Step 3 AUTO menu
Step 4 SKIP UP button x 8times
(Or SKIP DOWN button x 2 times)
Step 5 Error data indication menu
Step 6 PLAY button
Step 7 Indication of error data 0
Step 8 SKIP UP button
Step 9 Indication of error data 1
Step 10 SKIP UP button
Step 11 Indication of error data 2
Step 12 SKIP UP button
Step 13 Indication of error data 3
Step 14 SKIP UP button
Step 15 Indication of error data 4
Step 16 SKIP UP button
Step 17 Indication of error data 5
Step 18 SKIP UP button
Step 19 Indication of error data 6
Step 20 SKIP UP button
Step 21 Indication of error data 7
Step 22 SKIP UP button
Step 23 Indication of error data 8
Step 24 SKIP UP button
Step 25 Indication of error data 9
Step 26 STOP button
Step 27 Test mode STOP state
• Reversing when SKIP DOWN button is pressed
• When the STOP button is pressed while the error data indication menu appears or during error data indication, the mode changes to the
TEST mode stop state.
• Error data 0 is the latest error.
• Error which occurred in the TEST mode is also stored in the memory.
• When the DISP button is pressed while the error data indication menu appears, the error data is initialized. [ C L E A R _ ]
• : Error Code
Jitter checking method
Tr: 2SC1815
IC701 20 PIN
2SC1740 +3V
100 ohm
TP145
(EFM)
560 ohms
-3V
TP141
(GND)
IC101
7 PIN
After automatic adjustment is performed in the AUTO mode (low
reflection MD disc use TEST mode), jitter must be less than 32 ns.
Display
[ T E S T
[ A U T O
[ E D A T A
[ E 0
[ E 1
[ E 2
[ E 3
[ E 4
[ E 5
[ E 6
[ E 7
[ E 8
[ E 9
[ T E S T
JITTER MATER
0.33
IC701 17 PIN
Figure 15
MD-MS200W/MD-MS200/MD-MS200H
Error data list
Error Code
]
11 Automatic adjustment
adjustment judgment NG during adjustment retry in TG, FG
adjustment.
]
12 Automatic adjustment
13 Automatic adjustment
adjustment
]
16 Automatic adjustment
(TG, TB measurement value does not change.)
17 Automatic adjustment
]
21 Focus setting disabled
23 Track search time-over
]
32 P-TOC read disabled
42 U-TOC read disabled
]
44 U-TOC write disabled
52 Music data write disabled
]
71 Pickup position initialization error (Inner switch ON failure)
72 EEPROM read error
]
73 Record head drive disabled (EJECT operation)
82 Overvoltage detection
]
91 TEMP over
]
]
]
]
]
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Contents
Gain maximum or error
Out of allowable range
Servo retry error (4 times) during
TZC error in TG, TB adjustment
TEO, FEO allowable range error