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Panasonic SB-AK750, Service Manual

The Panasonic SB-AK750 Operating Instructions Manual is readily available for free download at manualshive.com. This comprehensive manual provides detailed instructions on operating the SB-AK750, ensuring users can optimize its impressive features and functionality. Accessible and user-friendly, get your manual now and enhance your audio experience with Panasonic SB-AK750.

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20.6. (H) Transformer P.C.B.

TRANSFORMER P.C.B (REPV0132A)

H

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

G

H

10

11

12

13

SA-AK750PL

TRANSFORMER P.C.B

PbF

E

C

B

E

C

B

E

C

B

2

3

1

1

2

3

4

5

6

7

8

9

9

8

7

6

5

4

3

2

1

4

3

2

1

4

1

3

2

5

2

7

8

3

7

1

2

3

4

5

6

16

15

14

13

12

11

10

9

8

0462N

0462N

R5953

D5963

J5955

R5952

D5961

C5961

C5951

C5962

D5962

R5957

C5963

Q5952

R5958

R5951

Q5951

CN5951

W5923

W5922

W5906

W5904

CN5950

W5920

W5907

W5908

W5902

C5940

W5930

W5901

C5956

D5959

D5958

C5955

D5951

D5953

C5920

W5903

FP5920

10A

FP5940

10A

W5909

C5958

C5957

D5960

W5905

R5960

Q5953

R5961

D5966

C5954

C5952

R5963

D5964

C5953

D5952

D5950

C5950

D5956

D5957

D5955

D5954

C5959

FP5950

4A

W5910

C5960

D5965

R5950

(SUB TRANSFORMER)

RL5950

Z5950

FC2

FC1

F1

125V 4A

K5973

K591

1

JK5950

W5914

W5915

W5916

W5917

L5950

AC IN ~

120V 60HZ

T5950

(POWER TRANSFORMER)

T5951

D5972

D5970

D5973

D5971

CAUTION

RISK OF ELECTRIC SHOCK

AC VOLTAGE LINE.

PLEASE DO NOT TOUCH THIS P.C.B

Q5950

SA-AK750PL

85

Summary of Contents for SB-AK750

Page 1: ...copying and distribution is a violation of law SA AK750PL Colour K Black Type Frequency range 87 9 to 107 9 MHz 200 kHz steps 87 5 to 108 0 MHz 100 kHz steps Sensitivity 4 0 µV IHF S N 26 dB 2 2 µV Antenna terminal s 75 Ω unbalanced Amplitude Modulation AM Frequency range 520 to 1710 kHz 10 kHz step Sensitivity S N 20 dB at 1000 kHz 560 µV m Music Port input jack Terminal Stereo 3 5 mm jack Sensit...

Page 2: ...pported audio file format MP3 bit rate USB memory port Maximum current 500 mA Bit rate MP3 32 kbps to 320 kbps Sampling frequency MP3 32 kHz 44 1 kHz 48 kHz Audio output MP3 Number of channels 2 channel Frequency response MP3 20 Hz to 20 kHz 0 1 0 dB S N Ratio USB unit out 85 dB n GENERAL Power supply AC 120 V 60Hz Power consumption 150 W Power consumption in standby mode 0 28 W Dimensions W x H x...

Page 3: ...ation Check without Cassette Tape 47 14 Measurement And Adjustments 49 14 1 Cassette Deck Section 49 15 Voltage and Waveform Chart 51 15 1 USB P C B 51 15 2 CD Servo P C B 51 15 3 Power P C B Transformer P C B 52 15 4 Panel P C B 52 15 5 Main P C B 53 15 6 Deck P C B 54 15 7 Waveform Chart 54 16 Wiring Connection Diagram 55 17 Block Diagram 57 17 1 CD Servo Diagram 57 17 2 Deck Deck Mechanism Diag...

Page 4: ...should be between 1MΩ and 5 2MΩ When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5kΩ 10 watts resistor in parallel with a 0 15µF capacitor between each exposed metallic part on the set and a good earth grou...

Page 5: ...ams Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer Table 1 Reference No Part No Part name Description Remarks L5601 G0B9R5K00001 CHOKE COIL L5602 G0B9R5K00001 CHOKE COIL L5603 G0B9R5K00001 CHOKE COIL L5604 G0B9R5K00001 ...

Page 6: ...sified as anti static ESD protected can generate electrical charge to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together ...

Page 7: ...short pin finish the job in as short time as possible 4 Do not turn the variable resistor for laser power adjustment It is pre adjusted during production time Grounding for electrostatic breakdown prevention 1 Human body grounding Use the anti static wrist strap to discharge the static electricity from your body 2 Work table grounding Put a conductive material sheet or steel sheet on the area wher...

Page 8: ...8 SA AK750PL ...

Page 9: ... the preset variable resistor on the optical pickup lens 4 Do not disassemble the optical optical pickup unit 5 If the optical pickup is replaced use the manufacturer s specified replacement pickup only 6 Use of control or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure CAUTION THIS PRODUCT UTILIZES A LASER USE OF CONTROLS OR AD...

Page 10: ...Lead Free Solder PbF The lead free solder has to be used when repairing the equipment for which the lead free solder is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting ...

Page 11: ...6 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 11 SA AK750PL ...

Page 12: ...7 Operating Procedures 7 1 Main Unit Key Buttons Operations 7 2 Remote Controls Key Buttons Operations 12 SA AK750PL ...

Page 13: ...13 SA AK750PL ...

Page 14: ...8 New Features 8 1 Using the Music Port Connecting and Playing a USB Mass Storage Class Device This feature enables you to enjoy music from a portable audio equipment 14 SA AK750PL ...

Page 15: ...With reference to page 15 of the operating instruction manual 15 SA AK750PL ...

Page 16: ...With reference to page 16 of the operating instruction manual 16 SA AK750PL ...

Page 17: ...re information Muting Clock Setting Refer to the section 9 2 for more information 0 Tape Eject Test Refer to the section 9 2 for more information DIMMER All segment display for the FL Refer to the section 9 2 for more information DISC CRS1 Inspection Refer to the section 9 2 for more information 7 Volume 50 Setting check 8 Volume 41 Setting check 9 Volume 35 Setting check Volume 0 Setting check PR...

Page 18: ...ment result for FLOCK TLOCK and CLVS FLOCK Focus Lock TLOCK Traverse Lock CLVS Constant Linear Velocity Speed In CD Test Mode 1 Press 0 button on the remote control To exit press button on main unit or remote control CD Changer Reliability Test CRS1 To determine the reliability of CD Changer Unit For more information refer to section 9 3 In Self Diagnostic Mode 1 Select for CD mode 2 Press button ...

Page 19: ...this mode Step 1 Enter into Doctor mode for more information refer to section 9 2 on the key operation to enter into this mode Step 2 By pressing STOP button on main unit followed by 4 and 7 on remote control Check for firmware version and EEPROM checksum When entering into DOCTOR MODE the firmware version and checksum data of EEPROM if applicable will appear on FL display Below is the information...

Page 20: ...s subject to change which would be updated accordingly ROM correction checksum refers to the HEX code that is displayed upon key buttons pressed if an EEPROM is loaded in the unit 9 3 Reliability Test Mode CRS1 Mechanism Below is the process flow chart of ageing for the CD changer unit CRS1 20 SA AK750PL ...

Page 21: ...Function refer Section 9 2 provides information on any problems occuring for the unit and its respective components by displaying the error codes These error code such as U H and F are stored in memory and held unless it is cleared 21 SA AK750PL ...

Page 22: ...ween CD Servo LSI IC and microprocessor IC When set to CD mode the sense signal does not turn Low a fail safe time after system command transmission is sent For CD unit For Traverse Press on main unit for next error IHMS Cam gear abnormality Cam gear does not rotate to HOME position For CD changer unit CRS1 Press SINGLE CHANGE on main unit for next error ICSL Cam gear gear units abnormal Cam gear ...

Page 23: ...ll automatically close all trays after the time out by the microprocessor During this time when it fails the error code will appear For CD changer unit CRS1 Press SINGLE CHANGE on main unit for next error F2NG Fail safe mode For open close tray unit s When the tray close operation is performed it fails to close It will automatically open all trays after the time out by the microprocessor During th...

Page 24: ...ode memorized In CRS1 Self Diagnostic mode press SINGLE CHANGE to display subsequence error code It shall repeat after reaching error no 5 e g 1 _ _ _ _ I H M S SINGLE CHANGE 2 _ _ _ _ I T O P SINGLE CHANGE 3 _ _ _ _ H O M E SINGLE CHANGE 4 _ _ _ _ L O A D SINGLE CHANGE 5 _ _ _ _ _ U D D SINGLE CHANGE 3 To clear the error code memory In CRS1 Self Diagnostic mode long press SINGLE CHANGE key 2s or ...

Page 25: ...or replacement reverse the respective procedures Special reassembly procedures are described only when required 3 Select items from the following index when checks or replacement are required 4 Refer to the Parts No on the page of Parts Location and Replacement Parts List Section 24 if necessary Caution After replacing of CD Changer Unit ageing test is necessary Please confirm operation for CD Cha...

Page 26: ...hart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing To assemble the unit reverse the steps shown in the chart as below 26 SA AK750PL ...

Page 27: ...10 3 Main Parts Location 27 SA AK750PL ...

Page 28: ... Push the top cabinet backwards to release catches Step 5 Remove top cabinet Step 1 Remove 1 screw at rear panel Step 2 Detach the FFC cables CN2801 CN2805 at Main P C B Step 3 Release the claws outwards on both ends 10 4 Disassembly of Top Cabinet 10 5 Disassembly of CD Changer Unit CRS1 Follow the Step 1 Step 5 of Item 10 4 28 SA AK750PL ...

Page 29: ...screws Step 6 Remove the Mecha Chassis Note For disassembly assembly of traverse unit please refer to section 10 16 of this service manual Please refer to original Service Manual for the Disassembly and Assembly of the CD Changer Unit CRS1 10 6 Disassembly of Rear Panel Follow the Step 1 Step 5 of Item 10 4 29 SA AK750PL ...

Page 30: ...Step 2 Detach cable CN2810 at Main P C B Step 3 Detach FFC cables CN2801 CN2805 at Main P C B Step 4 Remove rear panel 30 SA AK750PL ...

Page 31: ...transformer to bottom chassis Step 3 Push the Transformer P C B backwards to remove it Step 2 Remove Main P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 4 of Item 10 6 10 8 Disassembly of Transformer P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 4 of Item 10 6 31 SA AK750PL ...

Page 32: ... 3 Remove IC5301 from heat sink unit Note For disassembly of IC5101 Q5101 Q5102 Q5111 and Q5112 repeat Step 1 to Step 2 For information IC5101 Q5101 Q5102 Q5111 and Q5112 does not have IC clip Replacement of IC5501 Step 1 Flip the Power P C B over and desolder the pins of IC5501 Step 2 Twist the heat sink leg as arrow shown 10 9 Disassembly of Power P C B Follow the Step 1 Step 5 of Item 10 4 Foll...

Page 33: ... Step 2 Detach cable CN5951 at Transformer P C B Step 3 Bent the front panel unit slightly forward as arrow shown Caution During assembly of the heat sink sub assembly with IC5501 all soldering points is touch up to avoid dry joints Step 4 Release 2 claws outwards 10 10 Disassembly of Front Panel Unit Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 5 of Item 10 5 33 SA AK750PL ...

Page 34: ... at bottom of front panel at 2 catches one on each side of bottom chassis to be aligned to front panel s slot Assembly is secured upon hearing clicking sound Step 4 Remove Panel P C B 10 11 1 Disassembly of Lid Step 1 Lift the spring sideward 10 11 Disassembly for Panel P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 34 SA AK...

Page 35: ...ow shown Step 2 Remove Lid Note Do not misplace the spring 10 12 Disassembly of Tact Switch P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 10 13 Disassembly of USB P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 35 SA AK750PL ...

Page 36: ... then remove it in the direction of arrow 2 Note For disassembly of parts for deck mechanism unit refer to Section 10 17 10 14 Disassembly of Deck mechanism unit Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 10 15 Disassembly of Deck P C B Follow the Step 1 Step 5 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step...

Page 37: ...ay In STOCK position for CRS1 Service Manual order no MD0509368C0 Step 1 Press and hold the plunger lever and rotate the gear as arrows shown until it stop Step 3 Remove Deck P C B Step 2 Push the traverse slide plate as arrow shown to release the traverse unit Caution Do not exert strong force on the traverse slide plate 10 16 Disassembly of Traverse Unit Follow the Step 1 Step 5 of Item 10 4 Fol...

Page 38: ...unit Step 2 Push the traverse slide plate as arrow shown to lock the traverse unit 10 17 Disassembly for Deck Mechanism Follow the Step 1 Step 4 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 Follow the Step 1 Step 3 of Item 10 14 Follow the Step 1 Step 3 of Item 10 15 38 SA AK750PL ...

Page 39: ...10 17 1 Replacement of Pinch Roller and Head Block 39 SA AK750PL ...

Page 40: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 40 SA AK750PL ...

Page 41: ...tep 4 Remove Deck Mechanism P C B 10 18 Disassembly of Deck Mechanism P C B Follow the Step 1 Step 4 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 Follow the Step 1 Step 3 of Item 10 14 Follow the Step 1 Step 3 of Item 10 15 41 SA AK750PL ...

Page 42: ...ywheel F in the direction of the arrow to remove it Step 2 Remove spring and push the cassette lid in the direction of arrows 10 19 Disassembly of cassette lid Follow the Step 1 Step 4 of Item 10 4 Follow the Step 1 Step 4 of Item 10 5 Follow the Step 1 Step 5 of Item 10 10 Follow the Step 1 Step 3 of Item 10 14 10 20 Rectification for tape jam problem Follow the Step 1 Step 5 of Item 10 4 42 SA A...

Page 43: ...Step 2 Push the lever upward and open the cassette lid Remove the cassette tape Note Follow 10 19 Disassembly of cassette lid Step1 to Step 3 Remove the cassette tape 43 SA AK750PL ...

Page 44: ...d Tools Service Tools Extension FFC A Deck P C B Main P C B REEX0485 14 Pins 12 Service Positions Note For description of the disassembly procedures see the Section 10 12 1 Checking and Repairing of Main P C B 44 SA AK750PL ...

Page 45: ...12 2 Checking and Repairing of Transformer P C B 12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 45 SA AK750PL ...

Page 46: ...12 4 Checking and Repairing of Power P C B 46 SA AK750PL ...

Page 47: ...al timing at STOP mode ON approx 200msec e REV REW Supply the plunger power in a flash at REV PLAY mode ON approx 50msec f STOP Supply the plunger power in a flash at FF mode ON approx 50msec Repeat the operation FWD PLAY Note Other operation may start if a timing of supplying the plunger power is missed 13 1 1 Connection Status between Mechanism and Power Supply Motor Plunger 13 1 2 Operative Par...

Page 48: ...48 SA AK750PL ...

Page 49: ... 2 Remove 4 screws from the mechanism unit to disassemble under 10 14 Disassembly of Deck Mechanism Unit 3 Connect the headphone jack output jig Fig 8 to headphone jack Fig 8 Fig 9 14 1 4 Tape Speed Adjustment Normal speed adjustment only during forward playback Product reference value 3 000 90Hz 1 Connect a frequency indicator Fig 10 2 Playback the middle portion of the test tape QZZCWAT 3 Adjust...

Page 50: ...he recording mode Repeat pressing the buttons till the recording pause mode is activated 5 Check that the output level is within the standard range Standard Range 16 3mV Fig 12 14 1 6 Bias Frequency Check 1 Connect a digital frequency counter Fig 13 2 Set the function to TAPE position 3 Insert a normal blank cassette tape QZZCRA and press REC mode on main unit 4 Check that the output frequency is ...

Page 51: ...ibed herein shall be regarded as reference information when probing defect point because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself 15 1 USB P C B 15 2 CD Servo P C B 51 SA AK750PL ...

Page 52: ...15 3 Power P C B Transformer P C B 15 4 Panel P C B 52 SA AK750PL ...

Page 53: ...15 5 Main P C B 53 SA AK750PL ...

Page 54: ...15 6 Deck P C B 15 7 Waveform Chart 54 SA AK750PL ...

Page 55: ...LDER SIDE I USB P C B SOLDER SIDE SIDE B PbF PbF PbF PbF PbF PbF 1 21 2 20 9 1 CN2810 2 1 CN2801 21 1 22 2 CN3200 21 1 22 2 CN2805 15 1 14 2 CN2806 30 2 29 1 CN2803 H6555 JK6501 VR6511 JK6551 20 2 9 1 21 1 CN2808 12 1 CN2809 12 1 CN3601 JK2803 10 1 B MAIN P C B SOLDER SIDE E POWER P C B SOLDER SIDE PbF PbF PbF JW6002 Z6481 JK6751 1 10 CN5951 CN5950 1 9 CN6601 2 30 1 29 9 1 H5104 9 1 JK5101 JK5102 ...

Page 56: ...56 SA AK750PL ...

Page 57: ...41 49 48 45 43 32 34 44 22 21 24 25 23 29 30 66 57 AVSS1 TX SRVMON1 SRVMON0 NTEST NRST AVDD2 AVSS2 ARFFB ARFF ARFOUT ARFDC RFOUT RFIN CENV CTRCRS OSCIN VREF RFENV PC SPOUT TRVP TRP FOP LD PD A B C D E F NSRVMONON REGON MDATA ARFIN IREF DSLF PLLF PLLFO TXTCK SBCK PRAMVDD33 PRAMVSS33 D0 D15 A0 A11 BA0 BA1 TXTD DQSY SUBC TXNCLDCK BLKCK FLAG 65 71 20 18 83 92 94 99 1 7 11 15 16 17 NWE NCAS 8 9 63 64 6...

Page 58: ...0000612 ANALOG SWITCH IC971 CNB13030R2AU PHOTO INTERUPTOR L1301 Q1317 SWITCH Q1316 SWITCH Q1314 SWITCH 9V Q1315 SWITCH Q1317 SWITCH Q1304 SWITCH Q1101 MUTE SWITCH Q1304 Q1303 SWITCH Q1309 Q1310 BIAS SWITCH 9 22 15 8 1 3 5 2 4 19 4 16 17 6 DECK 2 HEAD RCH DECK 2 ERASE HEAD DECK 1 B HEAD LCH MUTE SWITCH Q1302 MUTE SWITCH DRIVER DECK MECHANISM CIRCUIT TO MAIN 1 2 TO MAIN 2 2 MAIN SIGNAL LINE FM SIGNA...

Page 59: ...CN5102 6 CN2809 CN5102 8 CN2809 CN5102 9 CN2809 CN5102 4 CN2803 CN1305 13 CN2803 CN1305 12 CN2806 CN6601 25 CN2806 CN6601 27 IC2810 2 2 C0ABBB000244 SMT OP AMP Q2554 Q2553 Q2552 Q2551 SWITCH SWITCH SWITCH DRIVER SWITCH DRIVER IC2810 1 2 C0ABBB000244 SMT OP AMP 2 3 1 CN2809 CN5102 11 Q2555 SWITCH 7 1 IN L1 2 IN R1 5 IN L3 6 IN R3 12 11 IN L6 IN R6 7 IN L4 8 IN R4 56 OP IN 3 IN L2 4 IN R2 IC2803 C1B...

Page 60: ... CN3601 3 CN3601 2 CN3601 1 CN2805 4 D2937 D2941 17 16 15 CN2801 CN7002 6 CN2801 CN7002 7 CN2801 CN7002 8 FROM USB CN3200 P901 18 CN3200 P901 19 CN3200 P901 13 CN3200 P901 15 CN3200 P901 16 CN3200 P901 17 CN3200 P901 8 CN3200 P901 10 CN3200 P901 11 CN3200 P901 5 SW LVL2 SW LVL1 26 27 1 15 13 10 11 78 77 76 19 75 81 79 50 47 46 3 5 4 41 42 43 94 20 18 93 71 90 92 72 70 51 88 54 55 87 82 83 86 80 84...

Page 61: ...7 JW6601 JW6002 3 JW6601 JW6002 7 JW6601 JW6002 10 JW6601 JW6002 9 JW6601 JW6002 8 JW6601 JW6002 2 JW6601 JW6002 4 CN6601 CN2806 3 CN6601 CN2806 11 CN6601 CN2806 13 H6555 CN5951 7 H6555 CN5951 6 FL6602 A2BD00000171 FL DISPLAY IC6601 C0HBB0000057 FL DRIVER 14 29 25 40 1 44 FL1 FL2 31 41 5 11 Z6481 JK6501 MIC 7 9 8 DIN STB CLK QR6457 LED DRIVE Q6501 MIC AMP S6201 S6207 Q6502 MIC AMP VR6511 MIC VOLUM...

Page 62: ... 2CH DIGITAL AMP 2 3 IN1 OUT1 10 OUT2 14 VDDA1 20 VSSA1 18 IN1 21 22 IN2 IN2 23 MODE 1 OSC 1 OSC Q5153 IC5401 C1AA00000755 2CH DIGITAL AMP 2 3 IN1 IN1 21 22 IN2 IN2 23 MODE IC5201 C0JBAB000011 LOGIC IC5101 C0DAZYY00005 REGULATOR IC 1 10 2 3 6 5 4 2 5 6V VCC 3 3V CTRL 1 5 MODE SWITCH Q5201 FREQUENCY HOPPING SWITCH Q5202 D5130 D5126 FREQUENCY HOPPING SWITCH Q5154 MODE SWITCH Q5112 Q5114 CURRENT STAB...

Page 63: ...970 D5973 D5954 D5957 RL5950 JK5950 L5950 F1 P901 CN3200 22 P901 CN3200 19 P901 CN3200 18 P901 CN3200 17 P901 CN3200 16 P901 CN3200 15 P901 CN3200 14 P901 CN3200 13 P901 CN3200 11 P901 CN3200 10 P901 CN3200 8 P901 CN3200 6 P901 CN3200 5 P901 CN3200 4 P901 CN3200 3 2 1 3 D D USB CONNECTOR P903 VBUS D5V TO MAIN 2 2 IC951 C0DBZYE00002 VOLTAGE REGULATOR 6 7 8 VDD CTRL FLAG 2 4 5 OUT IC900 MNZSFB5KJM1 ...

Page 64: ...SA AK750PL 64 ...

Page 65: ...olume jog VR6511 VR Mic volume jog Importance safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list Resistor Unit o...

Page 66: ...66 SA AK750PL ...

Page 67: ... BA5948FPE2 4 CH DRIVE IC MLD 7 5V MCLK MDATA RST STAT BLKCK PGND 3 3V ST_IN TX LD SW DGND ST_CLK AGND AGND DGND ST_REQ RESET_SW LCH OUT RCH OUT LOADING A9 A11 TRP TRVP BA1 A0 A2 A4 A6 A8 A7 A5 A3 A1 A10 NWE BA0 PC NRAS NCAS PRAMVDD15 PRAMVDD33 PRAMVSS33 SPOUT F A B E GND T F F T LPD VREF LD GND GND GUARD GND GUARD LD VCC 6 5 8 9 10 12 11 7 2 1 4 3 14 13 16 15 PVCC1 D4 D1 PVCC2 NC NC NC NC NC NC N...

Page 68: ...02 R2504 C2301 C2194 R2193 R2194 C2173 C2174 R2173 C2171 R2172 C2172 C2192 C2193 D2503 R2674 VOLTAGE REGULATOR CN2803 R2103 R2672 C2501 R2203 C2311 C2411 R2412 R2312 R2355 270K C2342 1u R2508 R2510 R2271 R2511 C2585 D2583 C2583 R2584 R2586 R2587 R2585 C2584 C2588 C2273 C2274 C2402 C2401 C2272 R2273 R2509 C2511 R2512 C2701 R2411 C2442 R2413 Q2411 R2313 R2311 Q2311 R2701 R2702 C2242 C2142 1K 16V100 ...

Page 69: ...R2721 C2731 R2731 C2551 R2561 C2552 C2721 R2555 R2568 R2557 Q2553 R2567 Q2551 Q2552 C2558 R2563 C2555 Q2555 C2556 C2560 R2566 0 0 1k 1u 10K 1u 68k 68k 47p 68k 1u 10p 15k 0 0 15k 68k 47p 50V2 2 10K 1k 10p 1u 2 2k 10k 0 1u 15k 15k 1k 6800p 39k 0 01 50V1 0 1u 0 100k 6800P C2431 1k 8 2K 0 22 0 47u 180k 180k 0 47u 2 2k 39k 0 01 0 50V1 100k 8 2K 0 22 18k 1u 180k 0 47u 220k 47k 18k 0 01u 3 3k 3 3k 1k 1k ...

Page 70: ... 5V lRESET HOME_SW A_GND D0 T_GND 15V PLL_CLK D1 CE 3 3V DVREF T_E CD_3 3V USB_RST UART_CLK CD_3 3V U_GND VREF SYS6V CD_3 3V MCLK CD_STAT MDATA ST_CLK ST_REQ ST_IN V_E USB_SDA IPOD_TXD MLD 5V CD_RST 3 3V CD8 5V CD_3 3V U_GND A_GND STATUS BLKCK 3 3V MLD MCLK MDATA CLOSE_SW DECK_AD2 KEY1 VREF A_GND PA_IN_L PA_IN_R CD _RESET ST_SW CHG_CW PLAY_SW KEY2 CHG_PLR 88 A_GND RESTSW F_HOP DLINKDET1 LM_1 DLINK...

Page 71: ...7K 10V220u 47K 47k 22k 220 1u 0 1u 220 1M 3 3 0 1u 27 100 56k 6 3V100 5 6K 10K 10k 820k 0 1u TO FAN 4 7K 100P MOT_12V PA_IN_L MIC A_GND 15V A_GND HP_L MOT_12V U_GND CHG_CW CLOSE_SW OPEN_SW A_GND UP_SENSOR PLAY_SW 3 3V OME_SW CD8 5V ST_SW CHG_CCW BOTTOM_SW CHG_PLR 88 HP_R 3 3V U_GND U_GND FL_CLK H BASS_LED FL_CS FL_DA KEY2 RMT VREF PCONT SYS6V SYNC KEY1 U_GND KEY3 PA_IN_R MOT_12V A_GND V_JOG_A VOL_...

Page 72: ... P1 P2 P3 P0 VREF VJOG_A KEY3 MOT12V GND2 H BASS_LED KEY3_2 VOL_LED KEY1_OUT KEY1_IN 3 3V GR10 SG2 SG2 SG1 SG1 GR2 GR11 GR1 GR7 GR9 GR8 GR6 GR4 GR3 GR5 GR2 GR1 VDD VDD KEY1_OUT GND2 GND2 C6504 R6504 R6104 S6103 R6103 S6102 R6505 R6105 S6104 Q6501 C6751 C6752 C6508 C6508 C6753 Q6502 D6458 R6458 C6635 D6301 B0ACCK000005 C6632 C6552 C6553 D6635 R6632 R6631 H6555 R6763 R6753 R6751 C6551 JK6551 R6102 R...

Page 73: ...820 R973 39K D971 MA2C16500E S971 MODE S972 HALF S975 REC_INH_F PL COM B A 1 3 2 5 3 2 1 4 10 8 7 6 9 R6303 R6302 S6302 R6304 S6303 QR6457 K6104 D6461 B0BC8R100004 D6464 D6464 D0GBR00JA008 D6462 R6457 S6301 R6399 R6106 R6491 R6108 S6108 S6106 R6107 R6305 S6304 R6494 R6307 S6309 S6307 S6308 R6311 R6308 R6309 R6310 R6306 S6305 S6306 C6491 C6492 R6492 KEY3_2 KEY3 MOT10V VJOG_A VOL_LED STOP DEMO KEY1 ...

Page 74: ...L AGND AGND 1M 1M 1M 1M 1M 0 015u 220K 150K 100K 100K 390K R5112 390K 10V220u 1000P 10K 0 1u 0 47u 10 10 10 0 1u 220P 0 1u 0 1u 220P 220P 220P 10 22 0 0 1u 0 0 1u 0 1u 0 1u 0 47u 5 6K 5 6K 0 47u 1K 0 47u 1K 100 100 1000P 5 6K 1K 1K 0 1u 220P 0 015u 1M 330P 0 47u 0 47u 0 1u 0 1u 0 1u 0 1u H2A415300001 H2A375300003 1M 100P 6 3V220u 10 6 8K 330P 52P 5 6K 1000P 0 47u 100 10K 1K 100K 100P 100K 100P 470...

Page 75: ...9V MOTOR12V CD3 3V PCONT 5V AGND 15V PCONT MOTOR12V 0 1u 100V10u 4 7 150K REGULATOR IC 2 2 35V1000 1K 10K 10u 0 1u 63V1000u 0 1u 2 2K 35V1000 100P 100P 2 2 2 2 50V33 330 0 01u 10K 1 2K 2 2 0 01u 470 25V100u 0 25V100 25V100u 560 22K 0 1u 10K 1K 47 63V1000u 1 8 10K 0 1u 0 1u 0 1u 6 3V100 6 3V100 SUBWOOFER SUBWOOFER SUBWOOFER SUBWOOFER LL LL LEFT HIGH RIGHT LOW RIGHT LOW RIGHT HIGH RIGHT HIGH LEFT LO...

Page 76: ... R1334 22K R1333 4 7 R1327 4 7K R1335 1 5K Q1317 B1ABGC000005 BEATPROOF LEVEL SWITCH R1337 10K Q1312 B1ABCF000011 SWITCH C1314 2200P C1317 1000P C1312 3300P C1318 0 047 R1330 4 7 Q1309 Q1310 B1AAGC000006 BIAS SWITCH Q1309 C1316 1000P RECH1 L1302 G0C470JA0052 D1301 B0ACCK000005 C1319 16V100 R1329 4 7K R1328 15K Q1310 Q1317 C1321 4700P C1202 470P C1201 50V1 C1203 16V100 C1221 1000P R1202 1 5K C1207 ...

Page 77: ... D5958 D5959 CN5950 C5920 C5940 D5960 C5956 FP5920 FP5940 C5957 R5961 R5960 C5958 R5963 D5966 C5951 D5962 D5964 R5952 FP5950 R5951 R5950 D5956 C5959 D5954 D5950 D5951 D5957 D5955 D5961 D5952 D5953 C5955 C5960 C5950 D5963 R5953 C5954 C5961 C5962 Q5952 10V47 0 01u 10K 10K 4 7 47 10A 10A 10 150 4 7K 0 01u 82 0 01u 4 7K 3 3K 3 3M 0 01u 22u 0 1u 150 0 01 10V220 10V220 B0AAFK000004 B1AACF000064 K6B1AEA0...

Page 78: ...3 54 52 57 62 63 61 19 18 20 3 2 5 4 6 8 7 1 64 15 16 9 13 10 12 11 14 17 22 21 59 60 IC900 MNZSFB5KJM1 USB CONTROLLER IC 0 1 C913 DGND D5V NRST P01 P04 DGND P03 STCLK P91 SBIO P81 D8 P73 D5 P00 P02 P66 D0 P72 D4 P70 D2 P71 D3 P75 D7 D3 3V VSS P82 D9 DGND D1 8V VDDI VDD33 TERR P21 NCE0 VSS CD_CLK CD_STAT STREQ PD4 NCE2 CD_DATA P77 NRE VERR VDD5 I2C_REQ WR_START I2C_CLK WR_END I2C_DATA ERROR DGND P...

Page 79: ...20 Printed Circuit Board Note Circuit board diagrams may be modified at any time with the development of new technology SA AK750PL 79 ...

Page 80: ...IC971 J11 SOLENOID 3 2 1 4 PL W1904 W1932 W1902 W1931 W1903 W1933 W1907 W1905 W1947 W1946 W1942 W1945 W1951 W1935 W1909 W1977 W1912 W1921 W1917 W1916 W1911 W1913 W1975 W1948 W1934 W1914 W1915 W1906 W1920 W1976 W1941 W1908 W1918 CP1301 TO R P HEAD C1103 C1106 C1109 C1304 C1201 C1203 C1319 C1320 C1324 C1311 C1305 C1206 C1209 C1301 C1208 C1310 C1101 C1308 Q1309 Q1316 Q1315 L1302 R1330 R1333 R1309 W19...

Page 81: ... K3201 K3202 K3200 W376 W375 W374 W390 W389 W387 W385 W433 W382 W139 W138 W226 W225 W224 W228 W324 W142 W151 W140 W149 W147 W153 W152 W234 W137 W223 W145 W224 W373 W199 W516 W295 W296 W297 W152 W246 W320 W144 W434 W143 W133 W309 W105 W388 W157 W230 W227 W386 W384 W383 W381 W321 W620 W322 W379 W380 W469 W467 W428 W218 W422 W423 W424 W427 W121 W239 W362 W288 W419 W238 W650 W627 W652 W212 W628 W660 W...

Page 82: ...1103 W802 W834 W1010 W874 W875 W877 W810 W913 W845 W878 W876 W843 W844 W847 W848 W811 W812 W846 W813 W814 W852 W853 W854 W882 W880 W881 W879 W816 W851 W815 W855 W856 W892 W893 W858 W860 W857 W859 W818 9 10 2 4 5 6 7 8 3 W908 W907 R6509 C6509 C6551 R6204 R6506 C6506 C6504 C6501 R6501 C6502 R6505 R6206 R6507 R6503 C6503 R6504 R6502 R6207 W924 W1011 W1012 W911 W909 R6755 R6757 R6756 R6758 R6761 R6759...

Page 83: ... 6 4 9 4 R6399 R6308 R 6 3 1 0 R 6 3 0 9 R 6 1 0 7 R 6 3 0 5 QR6457 K 6 1 0 1 D 6 4 6 1 R 6 4 5 7 K 6 1 0 4 C 6 4 9 2 C 6 4 9 1 D 6 4 6 4 R 6 4 9 2 R 6 4 9 1 R 6 3 0 2 R 6 3 0 3 R 6 1 0 8 IC900 L900 IC951 0101A 0101A C915 C906 X900 C953 P903 C904 C931 P901 0101A 0101A USB LB930 LB852 R955 C952 R954 LB952 R972 C913 LB932 LB933 LB934 LB935 LB840 LB843 LB841 LB936 LB938 C903 R914 LB845 LB846 LB848 R9...

Page 84: ... C5301 W1050 W1046 W1047 W1048 W1051 W1060 W1052 W1049 W1062 W1061 CN5102 C5105 C5155 Q5104 IC5401 Q5103 E5103 K1000 C5132 W1010 X5202 X5201 C5103 H5104 W1009 W1081 W1096 W1100 D5121 W1085 W1083 W1088 K5005 K5006 K5008 W1089 K5007 C5435 C5438 K5003 W1068 K5004 JK5101 JK5102 K5002 K 5 0 0 1 W1097 W1090 W1091 C5527 C5529 C5528 C5335 C5425 C5343 C5426 C5334 C5428 C5429 R5505 R5506 C5524 C5427 R5406 W...

Page 85: ...923 W5922 W5906 W5904 CN5950 W5920 W5907 W5908 W5902 C5940 W5930 W5901 C5956 D5959 D5958 C5955 D5951 D5953 C5920 W5903 FP5920 10A FP5940 10A W5909 C5958 C5957 D5960 W5905 R5960 Q5953 R5961 D5966 C5954 C5952 R5963 D5964 C5953 D5952 D5950 C5950 D5956 D5957 D5955 D5954 C5959 FP5950 4A W5910 C5960 D5965 R5950 SUB TRANSFORMER RL5950 Z5950 FC2 FC1 F1 125V 4A K5973 K5911 JK5950 W5914 W5915 W5916 W5917 L5...

Page 86: ...SA AK750PL 86 ...

Page 87: ...8 BA5948FPE2 A C a C athode Anode MAZ80560ML E C B E C B 1 4 8 5 C0AABB000125 A C a C athode Anode B0EAKM000117 B1AACF000064 2SC3940A0A B1GACFGA002 E C B E C B B0BA01100004 B0BA01500003 A C a C athode Anode B0BA02600018 A C a C athode Anode B0BA6R800008 B0BA02400029 B0BA02400030 D0GBR00JA008 B0BA01900005 1 AN7326K 26P 1 C0CBAHG00011 C0GAG0000007 1 9 B1ABCF000011 B1GBCFGH0001 B1GDCFJJ0002 E C B B1G...

Page 88: ... Feedback Signal I P 51 ARFIN I Audio RF Signal I P 52 DSLF Loop Filter Terminal For DSL Pin No Mark I O Function 53 IREF I Reference I P 54 PLLF I PLL Loop Filter Terminal Phase Compare 55 PLLF0 O PLL Loop Filter Terminal Speed Compare 56 OUTL O Audio O P LCH 57 AVSS1 GND 58 AVDD1 Analog Power Supply Voltage 1 59 OUTR O Audio O P RCH 60 DVSS3 GND3 Digital Circuit 61 NSRVMONON I Servo Motor O P En...

Page 89: ...mp Muting Control 40 MUTE_A O Audio Muting Control Pin No Mark I O Function 15 D3 O Motor Drive 3 reverse action output 16 D3 O Motor Drive 3 forward action output 17 D4 O Motor Drive 4 reverse action output 18 D4 O Motor Drive 4 forward action output 19 PVCC2 Power Supply 2 for Driver 20 PGND2 Ground Connection 2 for Driver 21 24 N C No Connection 25 VCC Power Supply terminal 26 VREF Reference Vo...

Page 90: ...CW 86 ST_SW I Stock switch for CRS1 87 PLAY_SW I Play switch for CRS1 88 PLUNGER O Plunger for CRS1 89 REG Region Setting 90 VOL_JOG I Volume jog 91 DP P CONT No connection 92 KEY3 I Key 3 Input 93 KEY2 I Key 2 Input 94 KEY1 I Key 1 Input 95 Deck_AD1 I Deck AD input 1 96 AVSS Analog Power Supply Input Connect to GND 97 Deck_AD2 I Deck AD input 2 98 Vref Reference for A D 5V 99 Avcc Analog Power Su...

Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750PL 91 ...

Page 92: ...SA AK750PL 92 ...

Page 93: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK750PL 93 ...

Page 94: ...23 3 Packaging SA AK750PL 94 ...

Page 95: ...1 CAPSTAN BELT M 110 RMB0312 TRIGGER LEVER SPRING M 111 RMB0400 REEL SPRING M 112 RMB0403 HEAD PANEL SPRING M 113 RMB0404 BRAKE ROD SPRING M 114 RMB0406 5 FR LEVER SPRING M 115 RMB0408 THRUST SPRING M 116 RML0370 4 TRIGGER LEVER M 117 RML0371 FR LEVER M 118 RML0372 2 WINDING LEVER M 119 RML0374 2 EJECT LEVER M 120 RMM0131 1 BRAKE ROD M 121 RMM0133 1 EJECT ROD M 122 RMQ0519 REEL HUB M 123 RMS0398 1...

Page 96: ... B1ACKD000006 TRANSISTOR M Q1316 2SD09650RA TRANSISTOR M Ref No Part No Part Name Description Remarks Q1317 B1ABGC000005 TRANSISTOR M Q2142 B1ABCF000176 TRANSISTOR M Q2242 B1ABCF000176 TRANSISTOR M Q2311 B1ABGC000005 TRANSISTOR M Q2317 B1ABCF000176 TRANSISTOR M Q2341 B1ABGC000005 TRANSISTOR M Q2411 B1ABGC000005 TRANSISTOR M Q2417 B1ABCF000176 TRANSISTOR M Q2441 B1ABGC000005 TRANSISTOR M Q2501 B1AB...

Page 97: ...RJ SW SINGLE CHANGE M Ref No Part No Part Name Description Remarks S6105 EVQ21405RJ SW USB M S6106 EVQ21405RJ SW STOP DEMO M S6108 EVQ21405RJ SW H BASS SUBWOOFER M S6201 EVQ21405RJ SW CD1 M S6202 EVQ21405RJ SW CD2 M S6203 EVQ21405RJ SW CD3 M S6204 EVQ21405RJ SW CD4 M S6205 EVQ21405RJ SW CD5 M S6206 EVQ21405RJ SW FF M S6207 EVQ21405RJ SW REW M S6301 EVQ21405RJ SW OPEN M S6302 EVQ21405RJ SW CD M S63...

Page 98: ...P JUMPERS W575 ERJ3GEY0R00V CHIP JUMPER M W576 ERJ3GEY0R00V CHIP JUMPER M W577 ERJ3GEY0R00V CHIP JUMPER M W579 ERJ3GEY0R00V CHIP JUMPER M W580 ERJ3GEY0R00V CHIP JUMPER M W581 ERJ3GEY0R00V CHIP JUMPER M W582 ERJ3GEY0R00V CHIP JUMPER M W583 ERJ3GEY0R00V CHIP JUMPER M W584 ERJ3GEY0R00V CHIP JUMPER M W586 ERJ3GEY0R00V CHIP JUMPER M W587 ERJ3GEY0R00V CHIP JUMPER M W588 ERJ3GEY0R00V CHIP JUMPER M W589 E...

Page 99: ...95 ERJ3GEY0R00V CHIP JUMPER M W1099 ERJ3GEY0R00V CHIP JUMPER M W1102 ERJ3GEY0R00V CHIP JUMPER M W1103 ERJ3GEY0R00V CHIP JUMPER M W5162 ERJ6GEY0R00V CHIP JUMPER M W5505 ERJ3GEY0R00V CHIP JUMPER M W5506 ERJ3GEY0R00V CHIP JUMPER M W5507 ERJ3GEY0R00V CHIP JUMPER M W5508 ERJ3GEY0R00V CHIP JUMPER M W5511 ERJ3GEY0R00V CHIP JUMPER M Ref No Part No Part Name Description Remarks W7001 D0GDR00JA017 CHIP JUMP...

Page 100: ... 16W M R2193 D0GB472JA041 4 7K 1 16W M R2194 D0GB104JA007 100K 1 16W M R2195 D0GB103JA008 10K 1 16W M Ref No Part No Part Name Description Remarks R2196 D0GB103JA008 10K 1 16W M R2202 D0GB152JA008 1 5K 1 16W M R2203 D0GB222JA041 2 2K 1 16W M R2204 D0GB273JA007 27K 1 16W M R2211 D0GB222JA041 2 2K 1 16W M R2212 D0GB332JA007 3 3K 1 16W M R2221 D0GB332JA007 3 3K 1 16W M R2222 D0GB332JA007 3 3K 1 16W M...

Page 101: ...W M R2833 D0GB101JA007 100 1 16W M R2834 D0GB101JA007 100 1 16W M R2835 D0GB101JA007 100 1 16W M Ref No Part No Part Name Description Remarks R2836 D0GB101JA007 100 1 16W M R2837 D0GB101JA007 100 1 16W M R2838 D0GB101JA007 100 1 16W M R2839 D0GB101JA007 100 1 16W M R2840 D0GB101JA007 100 1 16W M R2841 D0GB101JA007 100 1 16W M R2842 D0GB101JA007 100 1 16W M R2843 D0GB101JA007 100 1 16W M R2844 D0GB...

Page 102: ...22 1W M R5507 ERJ8GEYJ100V 10 1 8W M R5508 ERJ8GEYJ100V 10 1 8W M Ref No Part No Part Name Description Remarks R5512 D0GB274JA007 270K 1 16W M R5513 D0GB334JA007 330K 1 16W M R5514 ERJ3GEY0R00V 0 1 16W M R5518 ERJ3GEYJ103V 10K 1 16W M R5520 ERJ3GEY0R00V 0 1 16W M R5521 ERJ6GEYJ105V 1M 1 10W M R5522 ERJ6GEYJ105V 1M 1 10W M R5523 ERJ6GEYJ105V 1M 1 10W M R5524 ERJ6GEYJ105V 1M 1 10W M R5525 ERJ6GEYJ10...

Page 103: ...P 50V M C1122 F1H1E103A029 0 01 25V M C1123 ECJ1VB1H271K 270P 50V M Ref No Part No Part Name Description Remarks C1201 F2A1H1R0A145 1 50V M C1202 F1H1H471A219 470P 50V M C1203 F2A1C101A147 100P 16V M C1204 F1H1E273A002 0 027 25V M C1205 F1H1H471A219 470P 50V M C1206 F2A1H2R2A145 2 2P 50V M C1207 F1H1H152A219 1500P 50V M C1208 F2A1C100A147 10P 16V M C1209 F2A1H3R3A145 3 3P 50V M C1210 ECJ1VB1H682K ...

Page 104: ...H1010039 100P 50V M C2753 F1H1C104A042 0 1 16V M C2802 F2A1H3R3A234 3 3P 50V M Ref No Part No Part Name Description Remarks C2803 F1H1A105A025 1 10V M C2821 ECJ1VC1H101K 100P 50V M C2853 F1H1C104A041 0 1 16V M C2854 F2A0J221A016 220P 6 3V M C2871 F1H1H331A013 330P 50V M C2872 F1H1C223A001 0 022 16V M C2874 F1H1H331A013 330P 50V M C2882 F1H1H180A230 18P 50V M C2883 F1H1H220A230 22P 50V M C2901 F1H1...

Page 105: ... M C5429 ERJ3GEY0R00V 0 1 16W M C5430 F1H1H221A748 220P 50V M C5431 F1H1H221A748 220P 50V M Ref No Part No Part Name Description Remarks C5432 F1H1H221A748 220P 50V M C5433 F1H1H221A748 220P 50V M C5434 F1H1H153A219 0 015 50V M C5435 F1H1H153A219 0 015 50V M C5436 F1H1H102A219 1000P 50V M C5437 F1H1H102A219 1000P 50V M C5438 F1H1H153A219 0 015 50V M C5501 ECJ1VB1A474K 0 47 10V M C5502 F1H1H331A013...

Page 106: ... 1 16V M C7216 ECJ1VB1H681K 680P 50V M C7217 ECJ1VB1C104K 0 1 16V M C7218 ECJ1VB1C823K 0 082 16V M C7223 F2A1H4R70037 0 7 50V M C7225 F1H1H102A219 1000P 50V M C7226 F1H1H102A219 1000P 50V M C7227 ECA1HAK010XI 1 50V M C7228 ECA1HAK010XI 1 50V M C7230 ECJ1VB1C104K 0 1 16V M C7231 F2A0J221A200 220P 6 3V M C7232 F2A0J221A200 220P 6 3V M C7233 F1H1C104A008 0 1 16V M C7234 ECJ1VB1C104K 0 1 16V M C7235 F...

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