Sony MDR-IF3000 Service Manual Download Page 13

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MDR-IF3000

4-3. PRINTED WIRING BOARDS — POWER SECTION —

• See page 11 for Circuit Boards Location

•

Uses unleaded solder.

CHARGE

TERMINAL

IC701

Q701

Q702

RED

B+(RED)

GND(NAT)

RED

C701

S703

(AUTO 0N/OFF)

C702

CHG(+)

CHG(-)

R701

R702

R703

R704

D701

S702

(BATT DET)

C704

S701

(BATT DET)

BATT (–)

BATT (+)

BATT BOARD

(11)

1-860-181-

SW BOARD

(11)

1-860-182-

BAT101

RECHARGEABLE

BATTERY

BP–HP550

1.2V 550mAh X2

BOARD

(Page 12)

D701

B-3

IC701

B-4

Q701

C-3

Q702

C-3

• Semiconductor

Location

Ref. No.

Location

Summary of Contents for MDR-IF3000

Page 1: ...ondary carrier wave frequency Right channel 2 8 MHz Left channel 2 3 MHz Playback frequency range 20 20 000 Hz Power requirements Rechargeable nickel metal hydride batteries supplied or commercially available size AAA dry batteries Mass Approx 275 g 10 oz including the supplied rechargeable nickel metal hydride batteries Supplied accessories Rechargeable nickel metal hydride batteries BP HP550 550...

Page 2: ...dam aged by heat r UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary s...

Page 3: ... nickel metal hydride batteries supplied or commercially available size AAA dry batteries only 3 Infrared sensor There are infrared sensors in two locations on both sides 4 Self adjusting band The headphones automatically turn on when you put them on 5 VOL Volume control Use to adjust the volume 6 Ear pad right 7 POWER indicator By pulling up the self adjusting band the indicator lights red when b...

Page 4: ...T FRONT PLATE L ASSY HANGER R WIRING ON THE RIGHT SIDE WIRING ON THE LEFT SIDE WIRING ON THE SW BOARD HOW TO HANG THE TENSION SPRING BATT BOARD HANGER L HANGER LID L 4 Removal the solder at 2 places 2 two screws P 2 6 x 6 3 screw P 2 6 x 6 1 ear pad R 5 front plate R assy Note for installation Solder the leads at the places shown below with attention to their colors driver R CH side housing R assy...

Page 5: ...at the places shown below with attention to their colors WHT BLK to BATT board to PD2 board RED natural GRN natural RED to driver R CH natural to Driver L CH housing R assy 2 2 3 4 1 two screws P 2 6 x6 5 hanger R Pay attention to the leads when assembling Pay attention to the leads when assembling hanger lid R projection ...

Page 6: ...front RD1 board R CH rear 4 Removal the solder at 2 places 2 two screws P 2 6 x6 1 ear pad L 3 screw P 2 6 x6 housing L assy front plate L assy Note for installation Solder the leads at the places shown below with attention to their colors driver L CH side GRN from RX board natural ...

Page 7: ...x 6 Note for installation Solder the leads at the places shown below with attention to their colors to SW board housing L assy to RX board RED natural RED RED 2 3 4 Pay attention to the leads when assembling Pay attention to the leads when assembling 1 two screws P 2 6 x6 5 hanger L hanger lid L projection ...

Page 8: ...8 MDR IF3000 2 8 WIRING ON THE LEFT SIDE 2 9 HANGER LID L RD2 board L CH rear RD1 board L CH front 1 screw P 2 6 x6 2 screw P 2 6 x6 3 head band hanger lid L ...

Page 9: ...BOARD 2 11 HOW TO HANG THE TENSION SPRING SW board head board Note for installation Insert the end of the suspender assy under the S103 on the SW board SW board suspender assy suspender assy tensin spring hanger lid L housing L assy S703 ...

Page 10: ...DP IF3000 and connect a stabilized power to the DC IN 9V jack J301 2 Supply 2 4 V dc between BATT and BATT on the BATT board 3 Set the RV602 volume control on the RX board to the mini mum level Connection 100 µF 16 V RX board TP7 L ch TP8 R ch distortion meter Adjustment Method 1 Connect a distortion meter to TP7 L ch or TP8 R ch on the RX board 2 Adjust the L606 L ch or L605 R ch so as to minimiz...

Page 11: ...less unless otherwise specified f internal component C panel designation A B Line H adjustment for repair Power voltage is dc 2 4 V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal detuned conditions Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F ...

Page 12: ...05 C613 FL601 L605 FL602 L606 C648 RV602 D605 POWER B RED RED GRN GND NAT NAT NAT A BATT BOARD Page 13 MDD601 DRIVER R CH MDD602 DRIVER L CH RX BOARD 11 11 1 860 185 PD2 BOARD 11 11 1 860 184 11 11 1 860 183 B SIG D705 RF SENSOR D704 LR SENSOR D703 RR SENSOR D702 LF SENSOR R CH FRONT SECTION PD1 BOARD R CH REAR SECTION B SIG B SIG B SIG PD2 BOARD 11 11 1 860 184 11 11 1 860 183 B SIG L CH FRONT SE...

Page 13: ...D B RED GND NAT RED RED C701 S703 AUTO 0N OFF C702 CHG CHG R701 R702 R703 R704 D701 S702 BATT DET C704 S701 BATT DET BATT BATT 1 2 3 4 E E BATT BOARD 11 11 1 860 181 SW BOARD 11 11 1 860 182 BAT101 RECHARGEABLE BATTERY BP HP550 1 2V 550mAh X2 A RX BOARD Page 12 2 3 4 5 A 1 B C D E D701 B 3 IC701 B 4 Q701 C 3 Q702 C 3 Semiconductor Location Ref No Location ...

Page 14: ...2 DRIVER AMP 10 16V 3 3 50V 68p 68k 0uH 0 1 NJM2113V TE2 DRIVER AMP 68k 68p 3 3 50V 10 16V 1 1 0 068 0 068 2 7k 100 100 2 7k 1 3 6k 560p 3 3k 56p 0 1 0 1 0 1 0 82p 0 560 2SC2712G RF AMP 1k 10p 0 01 2SK209G RF AMP 1 5k 47 4V 1 5k 22k 0 1 2SC2712G BUFFER 160p 10p 0 1 0 0 3 3k 47 4V 2 2k 10k 330p 33k 33k TA2056FN MIXER LIMITER DEMODULATOR 0 22 0 01 TK11115CS 1 5V REG SLR 342VC3F POWER 470 0 1 100 4V ...

Page 15: ...15 MDR IF3000 IC602 603 NJM2113V TE2 4 5 IC BLOCK DIAGRAMS 5 VOUT1 V GND VOUT2 VIN VIN VREF CD 1 2 3 4 6 7 8 ...

Page 16: ...nal one Accessories are given in the last of this parts list 1 2 3 5 4 6 7 8 9 10 11 13 12 not supplied MDD602 not supplied SW board A A B B 14 not supplied PD2 board PD1 board not supplied 13 1 X 3383 955 1 LID ASSY BATTERY 2 3 246 142 01 HOUSING L 3 3 246 148 01 BUTTON 4 3 246 140 01 LID L HANGER 5 3 246 138 01 HANGER L 6 3 257 911 01 SPRING TENSION 7 3 246 151 02 TERMINAL BATTERY 8 3 246 150 02...

Page 17: ...oard 54 51 3 246 154 01 PAD R EAR 52 X 3383 915 2 PLATE R ASSY FRONT 53 A 4541 343 A RX BOARD COMPLETE 54 3 253 143 01 SCREW B2 6 P TAPPING 56 3 257 778 01 HOUSING R 57 X 3383 954 1 CAP R ASSY HOUSING 58 3 246 139 01 HANGER R 59 3 246 141 01 LID R HANGER 60 3 246 137 01 BAND HEAD 61 A 4540 731 A SUSPENDER ASSY 62 4 966 791 01 STOPPER UPPER 63 4 966 792 01 STOPPER LOWER 64 3 254 082 11 SCREW MDD601...

Page 18: ...ON SMALL TYPE BATT DET PD1 BOARD L CH FRONT DIODE D702 8 719 058 49 DIODE PP508 LF SENSOR PD1 BOARD R CH REAR DIODE D704 8 719 058 49 DIODE PP508 RR SENSOR PD2 BOARD L CH REAR DIODE D703 8 719 058 49 DIODE PP508 LR SENSOR PD2 BOARD R CH FRONT DIODE D705 8 719 058 49 DIODE PP508 RF SENSOR A 4541 343 A RX BOARD COMPLETE CAPACITOR C601 1 126 607 11 ELECT CHIP 47uF 20 4V C602 1 162 970 11 CERAMIC CHIP...

Page 19: ...OIL DET TUNING TRANSISTOR Q601 8 729 220 93 TRANSISTOR 2SK209G TE85L Q602 8 729 230 49 TRANSISTOR 2SC2712G TE85L Q603 8 729 230 49 TRANSISTOR 2SC2712G TE85L RESISTOR R601 1 216 823 11 METAL CHIP 1 5K 5 1 10W R602 1 216 841 11 METAL CHIP 47K 5 1 10W R603 1 216 821 11 METAL CHIP 1K 5 1 10W R604 1 216 823 11 METAL CHIP 1 5K 5 1 10W R605 1 216 837 11 METAL CHIP 22K 5 1 10W R606 1 216 818 11 METAL CHIP...

Page 20: ...so clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 09 New 1 1 2004 02 Additon of US Canadian AEP E Korean and Tourist models ENG 03059 1 2 2004 05 Correction of part No Ref No MDD601 602 SPM 04037 ...

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