Yamaha GX-500 Service Manual Page 40
- Page / 103
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
GX-900
GX-900
39
Can' t Edit
TMP Over!!
DISC ERR R
DISC ERR S
DISC ERR W
TOC ERR S
TOC ERR R
U TOC W ERR
FOCUS ERR
BLANK DISC
TOC W ERROR
EEPROM ERROR
Error on display Description Countermeasure
Mechanism Error
Error on display Description
MECHA_ERR2_* The head fails to move up.
MECHA_ERR3_* The head fails to move down.
HINF (IC1401 No.97 pin)
* = E Eject completed position < 1.3 V
* = M Horizontal midway position > 3.06 V
* = L Load completed position 1.853 ~ 2.48 V
* = D Head down position 1.3 ~ 1.853 V
• Editing conditions were not satisfied with respect to
each editing function.
• The temperature in the set (MD unit) went up exces-
sively high due to occurrence of some abnormality.
• The data was not correct or it was not possible to read it
correctly.
• Recording the music data failed as an abnormality
occurred while recording it.
• The TOC data was not correct.
• It was not possible to read the TOC data.
• It was not possible to rewrite UTOC correctly and an
abnormality occurred while rewriting it.
• The disc was loaded but it was not possible to draw in
FOCUS.
• The total number of TNO and NAME characters was “0”
as a result of reading UTOC.
• UTOC can be read but cannot be rewritten.
• The EEPROM data is not correct
• Wrong operation procedure was used. Try
again by using the correct procedure.
• Check according to troubleshooting.
• Check the temperature of the area where the
unit is used.
• Use another disc as there is an abnormality in
TOC or UTOC data or the disc has a scratch or
other faulty condition.
• The TOC data recorded in the disc is not in
compliance with the MD standard.
• Use another disc as the disc has a scratch or
other faulty condition.
• Use another disc as the disc has a scratch or
other faulty condition.
• Check that the disc is free from scratch, dust,
finger print, black spot, etc. and that
decentering, face deflection, etc. are not
excessive.
• Check if the disc is recordable by actually
recording.
• Check if the recording head contacts properly
and if wiring from the circuit board to the
recording head is free from breakage.
• Try again after resetting and if still NG, replace
EEPROM.
- MINI COMPONENT SYSTEM 1
- ■ TO SERVICE PERSONNEL 2
- ■ FRONT PANELS 4
- ■ REAR PANELS 5
- ■ SPECIFICATIONS 6
- ■ INTERNAL VIEW 7
- P.C.B. Main (2) 11
- P.C.B. Input 11
- P.C.B. Main (1) 11
- Friction 12
- Disc Table 13
- P.C.B. MD 15
- Mechanism SW P.C.B 16
- Loading Motor 16
- Sled motor 16
- Turn Table 17
- Spindle Motor 17
- Optical Pickup Head 17
- MD Guide (B) 17
- ■ VOLUME RANGE 18
- ■ SYSTEM CONTROL CHECK 18
- ■ TEST MODE 19
- ■ SYSTEM TEST MODE 19
- ■ RECEIVER TEST MODE 20
- ■ TAPE TEST MODE 21
- ■ CD TEST MODE 22
- ■ CD ERROR MESSAGES 23
- ■ CD STANDARD OPERATION CHART 24
- ● OPEN operation 26
- ● DOWN operation 26
- ■ TAPE ADJUSTMENTS 28
- “MECHANICAL ADJUSTMENT” 29
- “ELECTRICAL ADJUSTMENT” 29
- < Recording section > 30
- MD TEST MODE 31
- 2. AUTO adjustment mode 33
- 8. TEST-PLAY mode 33
- MECHANISM ADJUSTMENT 36
- ■ MD ERROR DISPLAY 39
- Mechanism Error 40
- ■ MD TROUBLESHOOTING 41
- ■ IC DATA 46
- ATRAC Encoder/Decoder 47
- MD System Microprocessor 49
- IC11 : M38199EF [P.C.B. CD] 55
- -COM (CD CPU) 55
- IC8 : M38199EF [P.C.B. INPUT] 58
- -COM (SYSTEM CPU) 58
- PATTERN AREA 60
- ■ BLOCK DIAGRAM 61
- POWER OFF^STANDBY 64
- Note : y ~ o 65
- P.C.B. TUNER 66
- (Lead Type Device) 66
- P.C.B. CD (Lead Type Device) 67
- FROM : INPUT (1) 68
- P. C. B. INPUT ( 2 ) 69
- TO: OPERATION(3) 70
- P.C.B. MAIN(1) 71
- ■ PIN CONNECTION DIAGRAM 72
- ■ SCHEMATIC DIAGRAM (MD MAIN) 73
- ■ SCHEMATIC DIAGRAM (MD) 74
- ■ SCHEMATIC DIAGRAM (CD) 75
- ■ SCHEMATIC DIAGRAM (INPUT) 76
- YMERSION 77
- ■ SCHEMATIC DIAGRAM (MAIN) 78
- ■ SCHEMATIC DIAGRAM (TUNER) 79
- PARTS LIST 80
- P.C.B. CD 81
- P.C.B. CD & MD 82
- P.C.B. INPUT 83
- P.C.B. INPUT & MAIN 85
- P.C.B. MAIN & OPERATION 86
- P.C.B. OPERATION & TUNER 87
- P.C.B. MD MAIN 89
- P.C.B. MD MAIN & OTHER 91
- CHIP RESISTOR 92
- ■ MECHANICAL PARTS 94
- New Parts 95
- GREASE APPLICATION DIAGRAM 99
- (MD Recorder) 99
- ● Grease to be supplied 100
- REMOTE CONTROL TRANSMITTER 101
- 1/4W Type 102
- 1/6W Type 102
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