Yamaha MDX-9 Service Manual Page 4
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- Table of contents
- TROUBLESHOOTING
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Rated. / 5. Based on customer reviews
MDX-596
MDX-596
3
■ SPECIFICATIONS
Units : mm (inch)
265.9 (10–1/2")
287.8 (11–5/16")
15.2
(5/8")
6.7
(1/4")
435 (17–1/8")
16
(5/8")
80
(3–1/8")
96
(3–3/4")
Digital audio system
System
MiniDisc digital audio system
Disc
MiniDisc
Recording method
Magnetic field variation overwrite
Reading method
Non-contact optical pickup (using semiconductor laser)
Laser
Semiconductor laser
Laser Diode Properties
Material: GaAIAs
Wavelength: 785 nm
Pulse time:
Read mode ... 0.8 mW Continuous
Write mode ... max 10 mW 0.5S
min cycle 1.5S
Repetition
Record/playback time
Max. 80 minutes
80 minutes (stereo)
160 minutes (mono)
Revolutions
Approx. 400~900 rpm (CLV)
Error Correction
ACIRC (Advanced Cross Interleave Reed-solomon Code)
Sampling frequency
44.1 kHz (32 kHz and 48 kHz signals converted to 44.1 kHz
for recording)
Coding
ATRAC (Adaptive TRansform Acoustic Coding)
Modulation system
EFM (Eight-to-Fourteen Modulation)
Number of channels
2 (stereo) or 1 (mono, for extended recording)
Frequency Response
5 ~ 20,000 Hz ±0.5 dB
Signal-to-Noise Ratio
More than 99 dB during playback
Wow and Flutter
Below measurable limit
Inputs
LINE IN (REC)
Type: pin jack
Input impedance: greater than 50 k-ohms
Standard input level: 300 mV
DIGITAL IN (OPTICAL) 1/2
Type: square optical connector jack
Outputs
LINE OUT (PLAY)
Type: pin jack
Standard output level: 2.0 ± 0.5 Vrms
DIGITAL OUT (OPTICAL)
Type: square optical connector jack
PHONES
Standard output level
(Input 150 ohms shorted, – 20 dB): 300 ± 60 mV
GENERAL
Power Supplies
A model AC 240 V, 50 Hz
G, B models AC 230 V, 50 Hz
R models AC 110/120/220/240 V, 50/60 Hz
Power Consumption
18 W
Dimensions (W x H x D)
435 x 96 x 288 mm (17-1/8" x 3-3/4" x 11-5/16")
Weight
4.0 kg (8 lbs. 13 oz.)
Finish
Titanium color/Black color
Accessories
Remote Control.... 1
Audio cord... 2
Optical cord... 1
Batteries (size AA, R6, UM-3).... 2
Specifications subject to change without notice.
R : General model A : Australian model
B : British model G : European model
* US and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
- 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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