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Panasonic SA-AK250GCP, Service Manual

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Panasonic SA-AK250GCP Service Manual Download Page 49

15 Voltage and Waveform Chart

Note:

Circuit voltage and waveform described 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. CD Servo P.C.B.

15.2. Deck P.C.B. & Deck Mechanism P.C.B.

49

SA-AK250GCP

Summary of Contents for SA-AK250GCP

Page 1: ...nauthorized copying and distribution is a violation of law SA AK250GCP Colour S Silver Type Sensitivity 100 mV 4 7 kΩ Phone jack Terminal Stereo 3 5 mm jack Mic jack Terminal Mono 3 5 mm jack Sensitivity 0 7 mV 680 Ω n CASSETTE DECK SECTION Track system 4 track 2 channel Heads Record playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor Recording system AC bias 100 kHz...

Page 2: ...x H x D 250 x 330 x 323 mm Mass 7 1 kg Operating temperature range 5 to 35 C Operating humidity range 5 to 90 RH no condensation n SYSTEM SC AK250 GCP Music center SA AK250 GCP Speakers SB AK250 PL For Information on speaker system plesae refer to the original Service Manual Order No MD0704055CE for SB AK250PL S Notes 1 Specifications are subject to change without notice Mass and dimensions are ap...

Page 3: ...nel Circuit 70 19 4 D Sub Panel Circuit G Deck Mechanism Circuit 71 19 5 E Power Circuit 72 19 6 F Deck Circuit 74 19 7 H Transformer Circuit 75 20 Printed Circuit Board 77 20 1 A CD Servo P C B F Deck P C B G Deck Mechanism P C B 78 20 2 B Main P C B 79 20 3 C Panel P C B 80 20 4 D Sub Panel P C B 81 20 5 E Power P C B 82 20 6 H Transformer P C B 83 21 Illustration of ICs Transistors and Diodes 8...

Page 4: ... 5 Reverse the AC plug in the AC outlet and repeat each of the above measurements 6 The potential at any point should not exceed 0 75 volts RMS A leakage current tester Simpson Model 229 or equivalent may be used to make the hot checks leakage current must not exceed 1 2 milliamp Should the measurement is out of the limits specified there is a possibility of a shock hazard and the equipment should...

Page 5: ...atically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused ...

Page 6: ...ecautions 8 Minimize body motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity ESD sufficient to damage an ES device 6 SA AK250GCP ...

Page 7: ... the 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...

Page 8: ...8 SA AK250GCP ...

Page 9: ... Do not disassemble the optical pick up unit since radiation from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pick up unit It was already adjusted 3 Do not look at the focus lens using optical instruments 4 Recommend not to look at pick up lens for a long time CAUTION THIS PRODUCT UTILIZES A LASER USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER T...

Page 10: ...rk using 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...

Page 11: ...6 Accessories Note Refer to Replacement Parts List Section 24 for part number Remote Control FM Antenna Wire AC Cord AM Loop Antenna Power Plug Adapter 11 SA AK250GCP ...

Page 12: ...7 Operating Procedures 7 1 Main Unit Key Buttons Operations 12 SA AK250GCP ...

Page 13: ...7 2 Remote Control Key Buttons Operations 13 SA AK250GCP ...

Page 14: ...8 New Features 8 1 Using the Music Port This feature enables you to enjoy music from a portable audio equipment 14 SA AK250GCP ...

Page 15: ...With reference to page 15 of the operating instruction manual 15 SA AK250GCP ...

Page 16: ...OM checksum Refer to the section 9 2 1 for more information 4 Set for cold start when reset start is executed the next time Refer to the section 9 2 for more 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 Inspe...

Page 17: ...17 SA AK250GCP ...

Page 18: ...9 2 1 EEPROM Checksum ROM Correction Purpose To check for microprocessor firmware version and EEPROM checksum ROM correction 18 SA AK250GCP ...

Page 19: ...r the microprocessor shall be made after calculating checksum by summing up the content of data area from EEPROM IC 2 In the case when no EEPROM IC is installed It is display as below no display of checksum data 3 In cases that the filename is different even though a EEPROM is installed or no correction file exists NG shall be displayed the correction point existence data is set to 0 at this condi...

Page 20: ...20 SA AK250GCP ...

Page 21: ...s 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 The error code is automatically display after entering into self diagnostic mode 9 4 1 Error Code Table for Deck Mechanism 21 SA AK250GCP ...

Page 22: ...9 4 2 Error Code Table For CD Changer Block 22 SA AK250GCP ...

Page 23: ...23 SA AK250GCP ...

Page 24: ...24 SA AK250GCP ...

Page 25: ... ignored and not memorize For system with EEPROM as memory backup memory space in EEPROM is neccesary 2 To display all error code 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 _...

Page 26: ...tion checks 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 operatio...

Page 27: ...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 27 SA AK250GCP ...

Page 28: ...10 3 Main Parts Location 28 SA AK250GCP ...

Page 29: ...e 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 at connectors CN2801 CN2805 on 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 29 SA AK250GCP ...

Page 30: ...ors CN2801 CN2805 on Main P C B Step 5 Remove 2 screws Step 6 Remove the Mecha Chassis Note For disassembly assembly of traverse unit please refer to section 10 15 of this service manual Please refer to original Service Manual for the Disassembly and Assembly of the CD Changer Unit CRS1 Step 4 Remove rear panel 10 6 Disassembly of Rear Panel Follow the Step 1 Step 5 of Item 10 4 30 SA AK250GCP ...

Page 31: ...crews for 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 AK250G...

Page 32: ... P C B over and desolder the pins Step 2 Remove 1 screw and IC clip For IC5301 only Step 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 10 9 Disassembly of Power 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 ...

Page 33: ...at the bottom chassis is seated into the 2 slots 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...

Page 34: ...or disassembly of parts for deck mechanism unit refer to Section 10 16 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 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 14 Disassembly o...

Page 35: ...ice Manual order no MD0509368C0 Step 1 Press and hold the plunger lever and rotate the gear as arrows shown until it stop Step 2 Desolder wire at deck motor terminals 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 15 Disassembly of Traverse Unit Follow the Step 1 Step 5 of It...

Page 36: ...nit Step 2 Push the traverse slide plate as arrow shown to lock the traverse unit 10 16 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 36 SA AK250GCP ...

Page 37: ...10 16 1 Replacement of Pinch Roller and Head Block 37 SA AK250GCP ...

Page 38: ...10 16 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 38 SA AK250GCP ...

Page 39: ...ep 4 Remove Deck Mechanism P C B 10 17 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 13 Follow the Step 1 Step 3 of Item 10 14 39 SA AK250GCP ...

Page 40: ...tep 2 Remove spring and push the cassette lid in the direction of arrows Step 2 Push the lever upward and open the cassette lid Remove the cassette tape 10 18 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 13 10 19 Rectification for tape jam problem Follow the Step 1 ...

Page 41: ...Note Follow 10 18 Disassembly of cassette lid Step1 to Step 3 Remove the cassette tape 41 SA AK250GCP ...

Page 42: ... 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 42 SA AK250GCP ...

Page 43: ...12 2 Checking and Repairing of Transformer P C B 12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 43 SA AK250GCP ...

Page 44: ...12 4 Checking and Repairing of Power P C B 44 SA AK250GCP ...

Page 45: ...l 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 Part...

Page 46: ...46 SA AK250GCP ...

Page 47: ... 2 Remove 4 screws from the mechanism unit to disassemble under 10 13 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 48: ...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 49: ...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 CD Servo P C B 15 2 Deck P C B Deck Mechanism P C B 49 SA AK250GCP ...

Page 50: ...15 3 Main P C B 50 SA AK250GCP ...

Page 51: ...15 4 Panel P C B Transformer P C B 15 5 Power P C B 51 SA AK250GCP ...

Page 52: ...15 6 Waveform Chart 52 SA AK250GCP ...

Page 53: ... SOLDER SIDE D SUB PANEL P C B SOLDER SIDE PbF PbF PbF PbF PbF 1 21 2 20 9 1 CN2810 2 1 CN2801 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 JK5103 CN5102 1 12 CN5103 1 12 JW...

Page 54: ...54 SA AK250GCP ...

Page 55: ...3 52 54 55 82 61 72 47 35 40 31 42 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...

Page 56: ...971 CP1902 2 CS971 CP1902 6 M D971 S971 MODE S972 HALF S975 RECINH_F 9V VREF 9V IC1001 AN7326K DECK R P IC IC1000 C1AA00000612 ANALOG SWITCH IC971 CNB13030R2AU PHOTO INTERUPTOR L1301 Q1317 SWITCH Q1316 SWITCH Q1314 SWITCH 9V Q1315 SWITCH Q1312 SWITCH Q1304 SWITCH Q1101 MUTE SWITCH Q1201 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...

Page 57: ...UTE SWITCH HPF LPF Q2511 MUTE SWITCH DRIVER CN2809 CN5102 6 CN2809 CN5102 9 CN2809 CN5102 4 CN2803 CN1305 13 CN2803 CN1305 12 CN2806 CN6601 25 CN2806 CN6601 27 MUTEA QR2501 QR2502 SWITCH 3 3V 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 C1BB00001121 AUDIO SOUND PROCESSOR 39 40 CLK DATA IDCDET ASPCLK ASPDA MUTEA 17 REC R 53 REC L 16 GV_OUT R 54 R...

Page 58: ...1 CN3200 P901 13 CN3200 P901 8 CN3200 P901 10 CN3200 P901 11 CN3200 P901 5 CN3200 P901 19 CN3200 P901 15 CN3200 P901 16 CN3200 P901 17 CN2801 CN7002 6 CN2801 CN7002 7 CN2801 CN7002 8 17 16 15 CN3200 P901 18 26 27 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 85 21 57 58 56 3 59 95 97 39 12 30 22 52 IDCDET ASPDA 40 MUTEA 12V 5 3V 5...

Page 59: ...7 CN6601 CN2806 17 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 FL6602 A2BD00000172 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 Q6501 MIC AMP S6201 S6207 Q6502 MIC AMP JK6751 MUSIC PORT JK6551 HEADPH...

Page 60: ...L AMP 2 3 IN1 OUT1 10 OUT2 14 VDDA1 20 VSSA1 18 IN1 21 22 IN2 IN2 23 MODE Q5153 IC5101 C0DAZYY00005 REGULATOR IC 4 2 5 6V VCC 3 3V CTRL 1 5 MODE SWITCH D5130 Q5154 MODE SWITCH Q5112 Q5114 CURRENT STABLISER 11V REGULATOR Q5111 15V REGULATOR Q5103 Q5104 FAN ON OFF SWITCH Q5113 CURRENT LMIITER SWITCH Q5102 CURRENT CONTROL SWITCH Q5108 Q5109 SWITCH VOLTAGE REGULATOR Q5101 Q5110 CURRENT CONTROL SWITCH ...

Page 61: ... Q5950 VOLTAGE REGULATOR Q5953 PCONT SWITCH Q5952 D5961 D5962 D5966 D5964 SYNCHRONISATION SWITCH FP5950 Z5950 D5950 D5953 D5954 D5957 RL5950 JK5950 F1 MAIN SIGNAL LINE FM SIGNAL LINE CD SIGNAL LINE AUX IPOD SIGNAL LINE AM SIGNAL LINE FM AM XM SIGNAL LINE CD DA AUDIO VIDEO SIGNAL LINE VIDOE SIGNAL LINE SIGNAL LINES Indicates the Pin No of Right Channel NOTE Signal Lines are applicable to the Left C...

Page 62: ...SA AK250GCP 62 ...

Page 63: ...t switch VR6491 VR Volume jog VR6511 VR Mic 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 Re...

Page 64: ...64 SA AK250GCP ...

Page 65: ... 3 4 5 IC7002 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 ...

Page 66: ...D VCC OUT C2301 C2194 R2193 R2194 C2173 C2174 R2173 C2171 R2172 C2172 C2192 C2193 R2674 VOLTAGE REGULATOR CN2803 R2672 C2311 C2411 R2412 R2312 R2355 270K C2342 1u 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 1u 3 3k 1u 1 68K 50V22 50V22 ...

Page 67: ... CN2809 C3709 C3705 0 R2316 R2317 C2325 R2431 C2433 R2321 R2318 R2435 R2329 C2321 Q2317 C2443 R2456 R2356 C2343 R2416 R2418 Q2417 R2417 10K 0 22K 1u 68k 68k 47p 68K 1u 10p 10K 15k 68k 47p 50V2 2 22K 0 10p 2 2k 10k 10V1 0 1 0 100k 1 C2431 10k 10K 1 0 47u 180k 180k 0 47u 2 2k 100k 10k REC_L REF_L A_GND REF_R A_GND 15V REC_R T_GND MUTE_D_AMP 15V FAN F_HOP C0ABBB000244 7 9 10 8 4 5 1 3 2 6 12 11 Q2317...

Page 68: ...16V220 SWITCH 3 3k 3 3k 1000P 10k 1K 1K 4 7k 1000P 47k R2829 47k R2831 47k R2832 47k 100 10K 1K 0 0 12k G0C101JA0052 2 7k 2 7k 100p 100p 12k 1000p 1000p 1000p 1000p 100 10k 4 7K 4 7K 4 7K 100 100 100 100 100 560P 560P 100P 100 100 100 RMT BLKCK CNVSS H BASS_LED VCC A_GND FL_CLK VREF FL_DA FL_CS ASP_CLK PLL_CLK D1 D0 ASP_DA UP_SENSOR U_GND VOL_LED DMT CE BOTTOM_SW PHOTO MTR 58 PL REC 59 VCC SYNC U_...

Page 69: ...7K 47k 22k 470 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 A_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_LED A_...

Page 70: ...HP_R HP_L HP_GND KEY1 SG16 VREF GR12 SG15 SG16 GR10 GR12 GR11 SG15 VP_A 15V SG12 SG14 SG13 SG10 SG11 PA_GND GND2 MIC_GND GR6 GR5 KEY3_2 GR8 GR9 GR7 GND2 FL_CLK FL_CS FL_DOUT GND2 FL_RST VREF KEY2 HP_SW GR2 GR4 GR3 KEY1_IN PA_SW GR1 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...

Page 71: ...1 MODE S972 HALF S975 REC_INH_F IC971 CNB13030R2AU PHOTO INTERUPTOR PL MODE HALF PL PL_GND PHOTO_T RECINH_F VREF VREF CR02 4 3 1 2 COM B A 1 3 2 5 3 2 1 4 10 8 7 6 9 R6303 R6302 S6302 R6304 S6303 S6301 R6399 R6106 R6491 R6108 S6108 S6106 R6107 R6305 S6304 R6494 R6307 S6309 S6307 S6308 R6308 R6309 R6310 R6306 S6305 S6306 C6491 C6492 R6492 KEY3_2 KEY3 MOT10V VJOG_A VOL_LED STOP DEMO KEY1 HARD BASS K...

Page 72: ... 47u 1K 100 100 1000P 5 6K 1K 1K 0 1u 220P 0 015u 1M 330P 0 47u 0 47u 0 1u 1 1 0 1u 330P 5 6K 1000P 0 47u R5234 120K R5230 120K R5233 82K R5231 120K R5232 27K C5230 0 1 0 47u 22 0 0 1u C5427 0 47 56K 220K 35V1000 35V1000 RCH LCH O P_R_GND O P_GND O P_L_GND I P_GND I P_GND OUT1 MODE VSSD OUT2 SGND BOOT1 VDDP1 VSSP2 STABI VSSA1 IN2 IN2 VDDA1 BOOT2 VDDP2 VSSP1 IN1 OSC IN1 VDDA1 PROT SGND VSSA1 2 4 3 ...

Page 73: ...R12V CD3 3V PCONT 5V AGND 15V PCONT MOTOR12V 0 1u 100V10u 4 7 150K REGULATOR IC 2 2 35V1000 1K 10K 100V10 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 VCC1 VCC1 DGND AGND AGND ACIN SUB B VCC1 VCC1 5 6V GND CTRL VCC 3 3V ASPGND LOW_LIN DC_DET XM5 3V 9V mUTE F_H...

Page 74: ...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 1...

Page 75: ...958 R5963 D5966 C5951 T5951 D5962 D5964 R5952 FP5950 R5951 D5956 C5959 D5954 D5950 D5951 D5957 D5955 D5961 D5952 D5953 C5955 C5960 C5950 C5954 C5961 C5962 Q5952 10V47 0 01u C5964 R5954 820K 0 01u 10K 10K 4 7 50V47 7A 7A 10 150 4 7K 0 01u 82 0 01u 4 7K 3 3K 0 01u 22u 0 1u 0 01 16V220 10V220 G4CYAYY00135 MAIN TRANSFORMER B0AAFK000004 B1AACF000064 K6B1AEA00015 ERZV10V511CS PCONT SWITCH ELF15N035AN B1...

Page 76: ...SA AK250GCP 76 ...

Page 77: ...20 Printed Circuit Board Note Circuit board diagrams may be modified at any time with the development of new technology SA AK250GCP 77 ...

Page 78: ... 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 W1...

Page 79: ...5 W366 W365 W154 W662 W299 W636 W298 W372 W371 W659 W370 W429 W634 W657 W615 W648 R2937 R2936 W625 W616 W637 W632 W649 W611 W425 W127 W210 W209 W301 W213 W214 W215 W346 W347 W405 W447 W420 W446 W363 W202 C4000 W203 W126 W465 W341 W630 W640 C4001 W676 R2802 R2801 R2586 W609 R3211 R3212 R3213 W601 W643 W602 C2874 R2873 R2871 C2871 R2874 C2872 D2803 C2803 W644 W645 R2844 R2584 L4001 L4000 R2587 W596 ...

Page 80: ... W882 W880 W881 W851 W816 W855 W856 W892 W893 W858 W860 W857 W859 W818 9 10 2 4 5 6 7 8 3 R6509 C6551 R6204 C6501 R6501 C6502 R6206 R6507 R6207 W905 R6605 C6603 C6602 C6604 R6604 C6601 W914 D6301 C6510 R6763 R6753 R6754 R6458 C6753 R6751 C6751 C6752 W1001 R6102 R6105 R6103 R6104 R6209 R6208 C6521 R6493 R6203 C6553 SENSOR MIC VOLUME MIC HEADPHONE MUSIC PORT W805 W677 W800 W802 W832 W676 W1015 W891 ...

Page 81: ...S6307 R6307 W951 S6308 MANUAL EQ S6309 S6108 HARD BASS S6306 R6306 REC W950 W952 W953 W967 W966 W954 W956 W959 W968 W971 W957 W958 W960 S6305 EXT_IN S6304 R6304 TUNER FM AM JW6001 W955 S6303 TAPE S6302 CD R6106 R6494 R6399 R6308 R6310 R6309 R6107 R6305 C6492 C6491 R6492 R6491 R6302 R6303 R6108 M EQ M EQ VR6491 VOLUME W969 W756 W750 1 1 2 3 2 4 5 6 7 8 9 3 10 SA AK250GCP 81 ...

Page 82: ...01 E5101 IC5301 W737 C5115 W671 W733 D5101 C5101 R5101 C5344 W735 C5328 C5329 C5326 C5325 C5324 R5306 W732 Q5110 W743 W704 W756 L5101 C5312 W690 C5330 C5313 C5332 R5138 W639 W739 C5305 W682 R5304 R5303 C5303 R5302 C5302 C5301 R5301 C5337 W741 R5139 W740 W752 W718 L5102 W641 W705 C5336 R5127 R5126 C5110 C5109 W696 W643 D5152 R5147 W633 R5132 Q5113 C5159 R5133 D5103 D5105 W634 W691 R5136 R5137 W616 ...

Page 83: ...908 W5902 C5940 W5930 W5901 C5956 D5959 D5958 C5955 D5951 D5953 C5920 W5903 FP5920 7A FP5940 7A 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 SUB TRANSFORMER RL5950 Z5950 FC2 FC1 F1 250V T3 15AL JK5950 W5914 W5915 W5916 W5917 AC IN 110V 127V 220V 240V 50 60HZ T5950 POWER TRANSFORMER T5...

Page 84: ...SA AK250GCP 84 ...

Page 85: ...thode Anode MAZ80560ML E C B E C B 1 4 8 5 C0AABB000125 B1AACF000064 2SC3940A0A B1GACFGA0002 E C B E C B B0BA01100004 B0BA01500003 A C a C athode Anode B0BA6R800008 B0BA5R000004 B0BA02400030 AN7326K 26P 1 C0CBAHG00011 B1ABCF000011 B1GBCFGH0001 B1GDCFJJ0002 E C B B1GDCFGH0002 KRC101STA B C E 2SD09650RA B1AAGC000006 B C E B0BC5R600003 Cathode Ca A Anode C0DBZGC00067 1 3 4 5 2 Ca A Cathode Anode A Ca...

Page 86: ...RF 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 PLL Loop Filter Terminal Phase Compare 55 PLLF0 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 O Servo Motor O P Enab...

Page 87: ...ect Flash EPM for On board writer 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 Voltage Input 27 IN...

Page 88: ...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 D PORT_ PCONT 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 S...

Page 89: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK250GCP 89 ...

Page 90: ...SA AK250GCP 90 ...

Page 91: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK250GCP 91 ...

Page 92: ...23 3 Packaging SA AK250GCP 92 ...

Page 93: ...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 MOVING CORE M 124 RXQ0470 2 PLUNGER ASS Y M 125 RMC0061 PACK SPRING M 126 RXF0061 1 FLYWHEEL F ASS Y M 128 RXG0040 FF RELAY GEAR ASS Y M 129 RMK0283A 2 SUB CHASSIS M 130 RXL0124 PINCH ROLLER F ASS Y M 130 1 RMB0401 PINCH ARM SPRING F M 132 RXL0126 WINDING ARM ASS Y M 133 RXQ0412 3 H...

Page 94: ...NSISTOR M Q2803 B1GBCFJJ0051 TRANSISTOR M Q2936 B1ACKD000006 TRANSISTOR M Ref No Part No Part Name Description Remarks Q2937 B1GBCFJJ0051 TRANSISTOR M Q2942 B1ACKD000006 TRANSISTOR M Q2943 B1ABCF000176 TRANSISTOR M Q2948 B1ABCF000176 TRANSISTOR M Q2949 B1ABCF000176 TRANSISTOR M Q3601 2SC3940A0A TRANSISTOR M Q5101 B1DEGM000026 TRANSISTOR M Q5102 B1DEGM000026 TRANSISTOR M Q5103 B1ABCF000176 TRANSIST...

Page 95: ...801 K1MN22AA0004 22P CONNECTOR M CN2803 K1MN21A00005 21P CONNECTOR M CN2805 K1MN14A00049 15P CONNECTOR M CN2806 K1MN30AA0004 30P CONNECTOR M CN2808 K1KB12B00037 12P CONNECTOR M CN2809 K1KB12B00037 12P CONNECTOR M CN2810 K1KA02AA0186 2P CONNECTOR M Ref No Part No Part Name Description Remarks CN3601 K1KA10AA0031 10P CONNECTOR M CN5102 K1KA12AA0031 12P CONNECTOR M CN5103 K1KA12AA0031 12P CONNECTOR M...

Page 96: ...CHIP JUMPER M W630 ERJ6GEY0R00V CHIP JUMPER M W631 ERJ6GEY0R00V CHIP JUMPER M W632 ERJ3GEY0R00V CHIP JUMPER M W633 ERJ3GEY0R00V CHIP JUMPER M W634 ERJ8GEY0R00V CHIP JUMPER M W635 ERJ3GEY0R00V CHIP JUMPER M W636 ERJ3GEY0R00V CHIP JUMPER M W637 ERJ3GEY0R00V CHIP JUMPER M W638 ERJ6GEY0R00V CHIP JUMPER M W639 ERJ6GEY0R00V CHIP JUMPER M W640 ERJ6GEY0R00V CHIP JUMPER M W641 ERJ6GEY0R00V CHIP JUMPER M W6...

Page 97: ...J393T 39K 1 4W M R1061 ERJ3GEY0R00V 0 1 16W M R1063 ERJ3GEY0R00V 0 1 16W M R1064 ERJ3GEY0R00V 0 1 16W M R1101 D0GB330JA008 33 1 16W M R1102 D0GB152JA008 1 5K 1 16W M R1103 D0GB183JA008 18K 1 16W M R1104 D0GB103JA008 10K 1 16W M R1105 D0GB222JA007 2 2K 1 16W M R1106 D0GB104JA008 100K 1 16W M R1107 D0GB102JA008 1K 1 16W M R1109 D0GB102JA008 1K 1 16W M R1110 D0GB333JA008 33K 1 16W M R1201 D0GB330JA00...

Page 98: ...D0GB152JA008 1 5K 1 16W M R2446 D0GB332JA007 3 3K 1 16W M R2447 D0GB1R0JA007 1 1 16W M Ref No Part No Part Name Description Remarks R2452 D0GB180JA008 18 1 16W M R2453 D0GBR00JA008 0 1 16W M R2454 D0GB180JA008 18 1 16W M R2455 D0GB274JA007 270K 1 16W M R2456 D0GB184JA007 180K 1 16W M R2457 D0GB104JA007 100K 1 16W M R2509 D0GB561JA007 560 1 16W M R2510 D0AF221JA039 220 1 4W M R2511 D0GB561JA007 560...

Page 99: ...3JA008 10K 1 16W M R5204 D0GB104JA007 100K 1 16W M R5205 D0GB104JA007 100K 1 16W M Ref No Part No Part Name Description Remarks R5206 D0GB105JA007 1M 1 16W M R5207 D0GB682JA008 6 8K 1 16W M R5209 D0GB100JA007 10 1 16W M R5210 D0GB121JA007 120 1 16W M R5230 ERJ3GEYJ124V 120K 1 16W M R5231 ERJ3GEYF124V 120K 1 16W M R5232 ERJ3GEYF273V 27K 1 16W M R5233 ERJ3GEYF823V 82K 1 16W M R5234 D0GB124JA008 120K...

Page 100: ...ECA1HAK0R1XB 0 1 50V M C1302 F1H1C333A071 0 033 16V M C1303 F1H1C333A071 0 033 16V M Ref No Part No Part Name Description Remarks C1304 F2A1H4R7A014 4 7 50V M C1305 F2A1C330A234 33 16V M C1307 ECA1AAK221XQ 220 10V M C1308 F2A1C220A234 22 16V M C1310 ECA1HAK0R1XB 0 1 50V M C1311 ECA1CAK470XB 47 16V M C1312 F1H1H332A013 3300P 50V M C1314 F1H1H222A013 2200P 50V M C1315 F1H1H222A013 2200P 50V M C1316 ...

Page 101: ... 0 1 16W M C3701 F1H1A105A025 1 10V M C3704 F1H1A105A025 1 10V M C3705 D0GBR00JA008 0 1 16W M Ref No Part No Part Name Description Remarks C3706 F1H1H470A230 47P 50V M C3707 F1H1H470A230 47P 50V M C3708 F1H1H100A230 10P 50V M C3709 F1H1H100A230 10P 50V M C3710 F1H1H104A783 0 1 50V M C3711 F1H1A105A025 1 10V M C3712 F2A1C101A234 100 16V M C3720 F1H1A105A025 1 10V M C3721 F1H1A105A025 1 10V M C4000 ...

Page 102: ...V M C6601 ECJ1VC1H101K 100P 50V M C6602 F1H1H102A219 1000P 50V M C6603 ECJ1VC1H101K 100P 50V M C6604 ECJ1VC1H101K 100P 50V M C6623 F2A1H220A216 22 50V M C6631 F2A1H220A216 22 50V M C6632 F2A1H220A216 22 50V M C6635 F2A1H2R2A145 2 2 50V M C6636 ECJ1VC1H101K 100P 50V M C6751 F1H1H103A219 0 01 50V M C6752 F1H1H103A219 0 01 50V M C6753 F1H1H103A219 0 01 50V M C7102 F1H1A474A025 0 47 10V M C7107 ECJ1VB...

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