Sony MDR-NC300D Service Manual Download Page 13

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MDR-NC300D

MDR-NC300D

5-5. SCHEMATIC DIAGRAM - SUB Board -

• See page 9 for IC Block Diagrams. • See page 14 for IC Pin Function Description.

TP406

TP407

TP405

TP404

TP403

TP402

TP401

TP605

TP606

TP608

TP602

TP604

TP601

TP603

TP609

TP610

TP611

TP612

TP410

TP613

TP411

TP614

TP615

TP616

TP617

TP618

TP619

TP620

TP621

L405

L406

4.7mH

D602

CN301

C434

C435

R425

R426

C439

C422 C423

R421

C419

R420

CN601

C651

C652

C653

C654

C655

R651

C661

C656

C657

C658

R646

R644

R645

C628

C433

R609

C432

C427

C607

R650

R607

R606

R649

C606

C605

R648

L601

R604

R605

C604

R603

R601

R636

R637

R635

R638

R626

R625

R624

C621

R623

C620

R622

C619

R620

R612

R614

R615

R617

R618

R639

R616

R629

R631

C622

C615

C614

C613

C612

C611

C610

C609

CN651

C437

C418

C416 C436

R424

R647

S604

S605

C438

C420

C421

C417

R417

R418

C601

C602

R621

IC408

IC409

C428

IC405

C430

C425

IC403

C429

IC601

C431

C426

IC406

Q602

Q601

R613

S606

IC404

C424

IC407

IC602

Q404

S607

C660

R652

C662

C659

RB531XN

20P

0.01

470k

100k

0.01

47k

12p

270k

1.0

470k

1000p

2.2

100

0.01

4.7k

47k

0.01

4.7k

10k

0.01

100

4.7k

470k

47k

100

0.001

100

0.001

100

0.001

100

47k

470

47k

10k

100

0.01

18P

0.01

470k

0.01

10p

300k

100k

0.01

100

XC9128D45CDR

0.01

TK63728AB6

0.01

TK63715AB6

0.01

AFC-AA1-A

PD78F0537

0.01

TK63715AB6

2SA2030

47k

TK63728AB6

0.01

TK63715AB6

XC61FN2512MR

EMH2301

1000p

470k

0.01

2.2

A_PWR 1.5

A_PRI 1.5

A_GND

A_2.8

D-2.8

D-GND

STANBY

RESET

I2C_SCL

I2C_SDA

GPIO0

GPIO1

GPIO2

D_CORE 1.5

MOVIE

MONITOR

CAP2N

CAP2P

CAP1P

CAP1N

VOUT

VSS

VDD

SCL

/RES

/CS1

CAP3P

VDD

A-GND

DC/DC

CONVERTER

DC/DC

CONVERTER

DC/DC

CONVERTER

LIQUID

CRYSTAL

DISPLAY

PANEL

(NC)

CSP

(Chip Size Package)

CSP

(Chip Size Package)

CSP

(Chip Size Package)

CSP

(Chip Size Package)

CSP

(Chip Size Package)

SYSTEM CONTROLLER

CSP

(Chip Size Package)

REGULATOR

+2.8V

REGULATOR

+1.5V

REGULATOR

+2.8V

REGULATOR

+1.5V

REGULATOR

+1.5V

RESET SIGNAL

GENERATOR

DETECT

POWER ON

DETECT

BATTERY

VOLUME

OPTIMIZE

POWER

HOLD

(NEUTRAL)

Note 1:

CN301, IC403, IC404, IC405, IC406, IC407, IC601, IC602 and Q404 on the SUB board cannot
exchange with single. When these parts are damaged, exchange the entire mounted board.

Note 2:

When the SUB board is replaced, execute the adjustment referring to “NOISE
CANCEL VOLUME ADJUSTMENT” (page 7) on the electrical adjustment.

Summary of Contents for MDR-NC300D

Page 1: ...y battery 1 US Operating Instructions 1 Product Information 1 1 Equivalent to approx 98 4 reduction of energy of sound compared with not wearing headphones NC MODE A 2 Under the Sony measurement standard For details about the Total Noise Suppression Ratio amount for each mode refer to the Product Information booklet 3 May not be compatible with some in flight music services Design and specificatio...

Page 2: ...the entire mounted board NOTE THE MAIN BOARD SUB BOARD OR HEAD PHONE ASSY REPLACING When the MAIN board SUB board or headphone assy are replaced ex ecute the adjustment referring to NOISE CANCEL VOLUME ADJUST MENT page 7 on the electrical adjustment UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some pri...

Page 3: ... 5 LCD SUB ASSY SVX Page 6 2 6 MAIN BOARD Page 7 4 knob power hold Note 1 Please remove so as not to injure knob power hold and case assy 5 two special head screws 2 screw M1 4 SUB board switch S607 knob power hold Note 2 When installing knob power hold the position of switch S607 and claw of knob power hold is set and installed 3 lid battery assy 1 Open the battery lid 6 two claws flat head screw...

Page 4: ...p bushing 2 two screws 3 three claws 4 battery lock block cap bushing The lib is set to the ditch and install stopper ditch headphone assy 6 cover bottom 7 headphone assy 5 connector CN303 Note 3 When remove the connecor please remove the connector in tweezers etc There is a possibility of disconnecting when the lead wire is pulled Note 2 Please install headphone assy as shown in figure ...

Page 5: ...e assy please refer to NOTE THE MAIN BOARD SUB BOARD OR HEADPHONE ASSY REPLACING of service note see page 2 5 two sheets TACT SW 2 connector CN651 3 screw 1 sheet SUB PWB 6 sheet SLIDE SW 7 SUB board liquid crystal display panel flexible cable 4 connector CN301 ...

Page 6: ...D SUB ASSY SVX 2 Remove solder TP412 MAIN board block 4 5 sheet MAIN PWB 1 two claws 1 two claws 3 screw q LCD sub assy SVX 7 straight 8 shield LCD case 9 two claws 6 Remove solder 6 Remove solder MAIN board block Ver 1 2 ...

Page 7: ...election menu displayed to end the test mode FACTORY SHIPMENT MODE Execute this mode when returning the set to the customers Procedure 1 While pressing the NC OPTIMIZE button slide the POW ER switch to turn the power on 2 It is confirmed that ALL RESET was displayed on the liquid crystal display and release the NC OPTIMIZE button 3 It is confirmed that ALL RESET disappeared from the liq uid crysta...

Page 8: ...SDA 50 SCL 47 GPIO1 52 GPIO2 51 MAINPWR_EN VDD F5 BATTCHK_EN F8 KM_STANDBY F2 STANDBY_N 28 LCD_ RES A6 LCD_SCL C4 LCD_ CS1 B6 LCD_A0 B4 LCD_SI B3 KEY_MONITOR E8 S603 SOUND MODE KEY_SOUND D7 S604 NC OPTIMIZE KEY_NCOPTIMIZE E7 S605 VOLUME KEY_ D8 S606 VOLUME KEY_ D4 KEY_POWER D5 BATTERY DETECT Q601 KEY_HOLD D6 S607 POWER NEUTRAL HOLD A_PWR 1 5V D 2 8V DRY BATTERY SIZE AAA IEC DESIGNATION R03 1PC 1 5...

Page 9: ...C For Printed Wiring Boards Note Y Parts extracted from the conductor side Pattern from the side which enables seeing The other layers patterns are not indicated MAIN and SUB boards are multi layer printed wiring board However the patterns of intermediate layers have not been included in diagrams Caution Pattern face side SIDE B Parts face side SIDE A Parts on the pattern face side seen from the p...

Page 10: ...C545 C514 C509 C510 R535 C504 C503 C501 C544 R527 R526 R525 C520 C521 R534 R533 IC501 R532 C524 C525 C202 L403 L404 C101 C203 CN302 C402 C401 C403 X501 CN303 Q201 R202 R201 C404 A SUB BOARD CN301 1 879 156 11 11 1 879 157 11 11 MAIN BOARD SIDE A MAIN BOARD SIDE B A1 A2 B1 B2 A1A2 B1B2 1 15 16 20 11 10 6 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 43 44 45 46 ...

Page 11: ... 100 100 10 0 01 0 01 10 1 0 22 2 2 2 2 0 22 0 22 2 2 2 2 0 22 0 01 100 6 3V 0 01 0 001 0 001 10 0 0047 10 47k 49 152MHz IC304 TK63714 TK63714 TK63714 20P 10 0 01 2SD2654 0 0 NJM2734SCC A_PWR 1 5 A_PRI 1 5 A_2 8 D 2 8 RESET I2C_SCL I2C_SDA STANBY GPIO0 GPIO1 GPIO2 D_CORE 1 5 D_CORE 1 5 MOVIE MONITOR AUDIO IN L AUDIO IN R AUDIO IN GND MDD L P MDD L N MIC L SIG MIC GND MDD R N MDD R P MIC R SIG VDD ...

Page 12: ...651 C619 S604 C656 R629 C622 R639 C438 R606 R607 R631 C606 R622 R649 C607 C421 R612 R648 R647 R650 R613 R614 R615 R617 R618 R601 C609 C610 C611 C612 C614 C615 C657 1 5 10 6 1 5 10 6 A MAIN BOARD CN302 1 879 158 11 11 SUB BOARD SIDE A 1 879 158 11 11 SUB BOARD SIDE B NC VOLUME VOLUME A1 A2 B1 B2 A1A2 B1B2 A1 A2 B1 B2 K K K A A A HOLD NEUTRAL POWER NC OPTIMIZE A8 A7 A6 A5 A4 A3 A2 A1 B8 B7 B6 B5 B4 ...

Page 13: ...3715AB6 0 01 AFC AA1 A PPD78F0537 0 01 0 01 TK63715AB6 2SA2030 2SA2030 47k TK63728AB6 0 01 TK63715AB6 XC61FN2512MR EMH2301 1000p 470k 0 01 2 2 A_PWR 1 5 A_PRI 1 5 A_GND A_2 8 D 2 8 D GND STANBY RESET I2C_SCL I2C_SDA GPIO0 GPIO1 GPIO2 D_CORE 1 5 D_CORE 1 5 MOVIE MONITOR V0 V1 V3 V4 CAP2N CAP2P CAP1P CAP1N VOUT VSS VDD SI SCL A0 RES CS1 CAP3P V2 VDD VDD A GND _RESET FLMD0 P121 X1 REGC VSS VDD AVREF ...

Page 14: ...D28PWM Power supply terminal 2 8V 42 VMIDDHP Not used 43 X256fsoOUT Not used 44 LRCK Not used 45 I2CADDR Not used 46 MCKSEL I Master clock setting terminal L 1024 Fso H 512 Fso Fixed at L in this set 47 SCL I O Serial data transfer clock signal input output with the system controller 48 DATAO Not used 49 GPIO0 I Communication control signal input terminal Not used 50 SDA I O Serial data input outp...

Page 15: ...I1 Not used D4 KEY_ I Key input terminal for the VOLUME key D5 KEY_POWER I Key input terminal for the POWER switch D6 KEY_HOLD I Key input terminal for the HOLD switch D7 KEY_SOUND I Key input terminal for the SOUND MODE key D8 KEY_ I Key input terminal for the VOLUME key E1 P130 Not used E2 ANI0 Not used E3 SI11 Not used E4 P42 Not used E5 KR7 Not used E6 INTP4 Not used E7 KEY_NCOPTIMIZE I Key in...

Page 16: ...MDR NC300D 16 Pin No Pin Name I O Description H6 P121 X1 Not used H7 EVSS Ground terminal H8 EVDD Power supply terminal 2 8V ...

Page 17: ...AME REAR 12 X 2514 374 1 HEADPHONE ASSY SVX EXCEPT US 12 X 2541 754 1 HEADPHONE ASSY SVX US Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine ser vice Some delay should be anticipated when ordering these items The mec...

Page 18: ...42 622 01 TERMINAL BATTERY 55 3 254 003 11 SCREW 56 4 142 621 01 TERMINAL BATTERY 57 A 1711 795 A MAIN BOARD COMPLETE 58 4 142 620 01 CHASSIS FRAME 59 A 1711 796 A SUB BOARD COMPLETE Ref No Part No Description Remark Ref No Part No Description Remark not supplied not supplied not supplied not supplied 58 59 55 54 55 57 56 53 52 51 Ver 1 2 ...

Page 19: ...17 1 112 815 91 CERAMIC CHIP 10uF 20 6 3V C520 1 128 632 91 CERAMIC CHIP 0 01uF 10 6 3V C521 1 114 782 91 TANTAL CHIP 100uF 20 6 3V C522 1 128 632 91 CERAMIC CHIP 0 01uF 10 6 3V C523 1 112 815 91 CERAMIC CHIP 10uF 20 6 3V C524 1 119 923 11 CERAMIC CHIP 0 047uF 10 10V C525 1 112 746 11 CERAMIC CHIP 4 7uF 10 6 3V C526 1 119 923 11 CERAMIC CHIP 0 047uF 10 10V C527 1 165 884 11 CERAMIC CHIP 2 2uF 10 6...

Page 20: ...CHIP 2 2 5 1 16W R520 1 218 990 81 SHORT CHIP 0 R521 1 218 990 81 SHORT CHIP 0 R522 1 218 990 81 SHORT CHIP 0 R523 1 218 989 11 METAL CHIP 1M 5 1 16W R524 1 218 945 11 METAL CHIP 220 5 1 16W R525 1 218 965 11 METAL CHIP 10K 5 1 16W R526 1 218 941 81 METAL CHIP 100 5 1 16W R527 1 218 965 11 METAL CHIP 10K 5 1 16W R531 1 218 941 81 METAL CHIP 100 5 1 16W R532 1 218 965 11 METAL CHIP 10K 5 1 16W R533...

Page 21: ...1 METAL CHIP 270K 5 1 16W R421 1 208 927 11 METAL CHIP 47K 0 5 1 16W R424 1 240 726 91 METAL CHIP 470K 5 1 20W R425 1 240 726 91 METAL CHIP 470K 5 1 20W R426 1 240 718 91 METAL CHIP 100K 5 1 20W R601 1 240 695 91 METAL CHIP 1K 5 1 20W R603 1 218 941 81 METAL CHIP 100 5 1 16W R604 1 240 707 91 METAL CHIP 10K 5 1 20W R605 1 240 695 91 METAL CHIP 1K 5 1 20W R606 1 240 695 91 METAL CHIP 1K 5 1 20W R60...

Page 22: ... MS EAR Earbud MS size 3 275 260 01 PIECE ML EAR Earbud ML size 3 282 287 01 POUCH CARRYING 4 106 827 01 CORD ADJUSTER 4 145 680 13 MANUAL INSTRUCTION JAPANESE ENGLISH Tourist 4 145 680 22 MANUAL INSTRUCTION ENGLISH TRADITIONAL CHINESE SIMPLIFIED CHINESE KOREAN E 4 145 680 32 MANUAL INSTRUCTION ENGLISH FRENCH AEP UK 4 145 680 41 MANUAL INSTRUCTION GERMAN SPANISH ITALIAN PORTUGUESE AEP UK 4 145 680...

Page 23: ...MEMO MDR NC300D 23 ...

Page 24: ...the version at the top of the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2009 06 New 1 1 2009 07 Addition of AEP UK and Chinese models 1 2 2010 01 Addition of US model Change of Part No for HINGE ASSY Change of Part for LIQUID CRYSTAL DISPLAY SMR 09084 ...

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