Yamaha MDX-9 Service Manual Page 8
- Page / 59
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
MDX-596
MDX-596
7
TEST MODE
1. How to enter the test mode
1) Press the POWER button while pressing the SET/ENTER button and the PLAY/PAUSE button.
Version of microprocessor is displayed about 1 second.
t s m 1 C * * e * *
Version of EEPROM protect data (from 01)
Version of microprocessor ROM (from 01)
“EJECT” on display
2) Load either a disc for reproduction or a disc for recording.
“AUTO AJST” on display
● Extension cable
(see connection diagram on page 14.)
High reflecting disc TDYS1 (SONY) [for reproduction] (P/No. TX945850)
Low reflecting disc Commercially available mini disc for recording
Low reflecting disc MMD-318 [for pre-adjustment] (P/No. AAX04890)
– – – – – – – – Clear disc for checking the head (P/No. AAX18050)
Type Test disc
1. Extension P.C.B. for servicing AAX16660
2. 2-pin extension connector for servicing AAX16620
3. 6-pin flat cable for servicing AAX16640
4. 5-pin flat cable for servicing TX946190
5. 28-pin flat cable for servicing TX946220
Type Part No.
■ ADJUSTMENT & TEST MODE
Preparation before Adjustment
● Test disc
Servicing Procedure
Perform adjustment and setup in the TEST mode. Specific adjustments and procedures vary depend-
ing on the type of servicing performed.
Type of servicing
PICKUP replacement
Magnetic head replacement
Mechanical unit replacement
(including PICKUP)
MD main PCB replacement
MD microprocessor (IC1401)
replacement
MD LSI (IC1201) replacement
RF IC (IC101) replacement
EEPROM IC (IC1402) replacement
TEMP standard
setting
TEMP
–
–
–
q
–
–
q
q
EEPROM setting
value confirmation
EEPROM SET
q
–
q
w
q
_
w
w
AUTO preliminary
adjustment
AUT YOBI
w
–
w
e
–
q
e
e
AUTO
adjustment
AUTO AJST
e
–
e
r
_
w
r
r
AUTO AFB
adjustment
AUT AFB
r
–
r
t
_
e
t
t
EEPROM adjustment
value entry (*1)
TEST mode cancel
t
–
t
y
w
r
y
y
Operation confirmation
(With AUTO main adjustment done in advance)
TEST-PLAY
y
–
y
u
e
t
u
u
TEST-REC
u
q
u
i
r
y
i
i
Required item
Numbers in the table, e.g., q, w, e, indicate the order in which required items should be performed.
"–" means that item needs not be performed.
(*1): The result of EEPROM entry is displayed at the end of the TEST mode.
OK_EEPROM: Both "setting value" and "preliminary adjustment completed" have been entered properly.
WR_EEPROM: The "setting value" has been entered properly but not "preliminary adjustment completed".
Perform preliminary adjustment properly and then enter "preliminary adjustment completed".
NG_EEPROM: The "setting value" has not been entered.
Check the MD microprocessor and EEPROM for connection.
- MINIDISC RECORDER 1
- ■ TO SERVICE PERSONNEL 2
- ■ REAR PANELS 3
- ■ SPECIFICATIONS 4
- ■ DISASSEMBLY PROCEDURES 5
- ■ INTERNAL VIEW 5
- Magnetic Head 6
- Leaf Spring 6
- MD Mechanism 6
- Spindle Motor 7
- ■ ADJUSTMENT & TEST MODE 8
- [ TEMP ❍ ❍ ◆ ◆ ] 11
- [ TEMP 7A 79 ] 11
- Push down with a finger 14
- MECHANISM ADJUSTMENT 15
- EEPROM CONTENTS LIST 17
- ■ SPECIAL TEST MODE 18
- ■ ERROR DISPLAY 19
- Mechanism Error 20
- ■ TROUBLESHOOTING 21
- ■ IC DATA 26
- IC1101 : IR3R58M 27
- RF Signal Processing 27
- IC1201 : LR37814 27
- ATRAC Encoder/Decoder 27
- IC1202 : IX2474AF 30
- 4M Bit D-RAM 30
- IC1402 : 58X2402T 30
- IC1401 : iX0324AW 31
- MD System Microprocessor 31
- IC1701 : UDA1347T 33
- AD Converter/DA Convereter 33
- IC6 : M30622M8-xxxFP 34
- Main System Microprocessor 34
- ■ BLOCK DIAGRAM (MD) 36
- ■ BLOCK DIAGRAM 37
- ■ TEST POINT WAVEFORM 38
- ■ PRINTED CIRCUIT BOARD 39
- MAIN (1) P.C.B 40
- MAIN (6) P.C.B 41
- MAIN (5) P.C.B 41
- ■ MD VOLTAGES 42
- MD MAIN PWB-C 43
- E-49/J-47 44
- FL DRIVER 45
- REMOTE CONTROL TRANSMITTER 46
- PARTS LIST 47
- P.C.B. MAIN 48
- P.C.B. MD MAIN 50
- P.C.B. MD MAIN CHIP RESISTORS 52
- EXPLODED VIEW 53
- MECHANICAL PARTS 54
- New Parts 56
- GREASE APPLICATION DIAGRAM 57
- 1/4W Type 58
- 1/6W Type 58
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