3
N-50
5
6
7
8
5
6
7
8
A
B
C
D
E
F
CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 4
1.1 NOTES ON SOLDERING ............................................................................................................................................... 4
2. SPECIFICATIONS................................................................................................................................................................. 5
2.1 ACCESSORIES .............................................................................................................................................................. 5
2.2 SPECIFICATIONS .......................................................................................................................................................... 5
2.3 PLAYABLE FILE FORMATS ........................................................................................................................................... 6
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 10
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 10
3.2 PCB LOCATIONS ......................................................................................................................................................... 11
3.3 JIGS LIST ..................................................................................................................................................................... 12
4. BLOCK DIAGRAM .............................................................................................................................................................. 14
4.1 OVERALL CONNECTION DIAGRAM (1/2) .................................................................................................................. 14
4.2 OVERALL CONNECTION DIAGRAM (2/2) .................................................................................................................. 16
4.3 BLOCK DIAGRAM ........................................................................................................................................................ 18
5. DIAGNOSIS ........................................................................................................................................................................ 20
5.1 TROUBLESHOOTING.................................................................................................................................................. 20
5.2 PROTECTION CIRCUIT ERROR DETECTION ........................................................................................................... 23
5.3 HOW TO CHECK THE IC COMMUNICATION ............................................................................................................. 24
5.4 IC INFORMATION ........................................................................................................................................................ 24
6. SERVICE MODE ................................................................................................................................................................. 25
6.1 SERVICE MODE .......................................................................................................................................................... 25
6.2 INITIAL SETTING ......................................................................................................................................................... 27
7. DISASSEMBLY ................................................................................................................................................................... 28
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 34
8.1 FIRMWARE UPDATE ................................................................................................................................................... 34
8.2 HOW TO CHECK EACH TERMINAL............................................................................................................................ 37
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 40
9.1 PACKING SECTION ..................................................................................................................................................... 40
9.2 EXTERIOR SECTION .................................................................................................................................................. 42
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 44
10.1 JACK ASSY ................................................................................................................................................................ 44
10.2 D-MAIN ASSY (1/5) .................................................................................................................................................... 46
10.3 D-MAIN ASSY (2/5) .................................................................................................................................................... 48
10.4 D-MAIN ASSY (3/5) .................................................................................................................................................... 50
10.5 D-MAIN ASSY (4/5) .................................................................................................................................................... 52
10.6 D-MAIN ASSY (5/5) .................................................................................................................................................... 54
10.7 DAC ASSY .................................................................................................................................................................. 56
10.8 LCD/KEY ASSY .......................................................................................................................................................... 58
10.9 LED ASSY, POWER SW ASSY, IR ASSY AND POWER LED ASSY ........................................................................ 60
10.10 USB ASSY ................................................................................................................................................................ 62
10.11 STBY ASSY.............................................................................................................................................................. 64
10.12 CNT A ASSY AND CNT B ASSY ............................................................................................................................. 66
10.13 GUIDE 1, GUIDE 2(N-50, N-50-K/-S ONLY), GUIDE 3 AND GUIDE 4 ASSYS ....................................................... 68
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 70
11.1 JACK ASSY ................................................................................................................................................................ 70
11.2 D-MAIN ASSY ............................................................................................................................................................ 72
11.3 DAC ASSY .................................................................................................................................................................. 76
11.4 LCD/KEY ASSY .......................................................................................................................................................... 80
11.5 LED ASSY, POWER SW ASSY, IR ASSY AND POWER LED ASSY ........................................................................ 82
11.6 USB ASSY AND STBY ASSY .................................................................................................................................... 84
11.7 CNT A ASSY AND CNT B ASSY ............................................................................................................................... 88
11.8 GUIDE 1, GUIDE 2 (N-50, N-50-K/-S ONLY), GUIDE 3 AND GUIDE 4 ASSYS ........................................................ 90
12. PCB PARTS LIST .............................................................................................................................................................. 92
Summary of Contents for Elite N-30
Page 13: ...13 N 50 5 6 7 8 5 6 7 8 A B C D E F ...
Page 39: ...39 N 50 5 6 7 8 5 6 7 8 A B C D E F ...
Page 67: ...67 N 50 5 6 7 8 5 6 7 8 A B C D E F L SY 388010 IL B 1 5 CN1001 CN702 ...
Page 69: ...69 N 50 5 6 7 8 5 6 7 8 A B C D E F ...
Page 77: ...77 N 50 5 6 7 8 5 6 7 8 A B C D E F C L ANALOG OUT R SIDE A ...
Page 78: ...78 N 50 1 2 3 4 A B C D E F 1 2 3 4 C DAC ASSY C SIDE B ...
Page 79: ...79 N 50 5 6 7 8 5 6 7 8 A B C D E F C CP500 CP501 SIDE B ...
Page 81: ...81 N 50 5 6 7 8 5 6 7 8 A B C D E F D SIDE B SIDE A ...
Page 86: ...86 N 50 1 2 3 4 A B C D E F 1 2 3 4 J CN205 CN202 CN203 CN201 SIDE B STBY ASSY J ...
Page 87: ...87 N 50 5 6 7 8 5 6 7 8 A B C D E F J I CP601 CN202 N203 CP600 CN204 SIDE B USB ASSY I ...