Panasonic SA-AK240PL Service Manual Download

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17.3. (B) Main (Tuner) Circuit

B1CECC000003

B1AAAC000016

Q3,Q4

B1AAAC000015

MAIN(TUNER) CIRCUIT

SA-AK240PL MAIN(TUNER) CIRCUIT

SCHEMATIC DIAGRAM - 2

C2647

1000P

JK2601

IC2602

C1CB00001937

C1BB00000962

PLL FREQUENCY SYNTHESIZER

IC2601

FM/AM IF AMP

DET/AM OSC MIX/

FM MPX

CF2601

J0B1075AA014

X2603

H0H720400007

D2601

B0BC5R000009

Q2606

B1GCCFJJ0016

TUNER 15V

SUPPLY SWITCH

R2634

470

R2635

Q2601

B1AABC000003

FM IF AMP

+7.5V

DO/ST

15V

TGND

PLLCLK

DO/ST

PLLDA

LCH

RCH

DO/ST

PLLDA

PLLCLK

DO/ST

C2603

0.01

C2604

1000P

R2604

R2606

470K

R2607

330

R2601

R2608

470K

R2605

470

C2601

0.01

C2602

16V10

R2603

270

TUNER PACK CIRCUIT

C2607

0.047

R2610

R2612

100K

C2608

C2636

1000P

R2614

5.6K

R2652

C2610

0.01

MAIN

CIRCUIT

(2B) ON

SCHEMATIC

DIAGRAM-3

R2638

3.3K

R2630

10K

C2634

12P

C2633

12P

C2612

0.01

R2615 560

R2616

C2611

50V4.7

R2613 10K

C2625

16V22

C2632

1000P

C2630

6.3V100

R2651

C2613 1000P

R2619

3.3K

R2611

390

R2628

R2617

47K

R2618

3.3K

C2627

16V22

Z2602

G2BAD0000003

C2626

C2606

1000P

C2614

50V3.3

C2609

1000P

C2615 50V4.7

C2616 0.033

R2620

47K

R2643

22K

C2638

0.01

R2623 68K

C2620

16V10

R2621

22K

R2602 4.7K

C2639 50V4.7

C2618 0.01

C2617

0.01

C2642

50V1

R2642

6.8K

C2641

50V1

R2641

6.8K

R2626

R2625 470

R2629

27K

R2627 470

C2624

100P

R2632

10K

C2648

0.01

R2624

X2602

H3F1065A0002

C2622 50V1

R2622 2.7K

C2621

50V0.47

R2631

120

R2644

120

R2633

W2919

C2629

6.3V100

C2649

0.1

C2623

50V1

R2645

100K

C2643

6800P

C2644

6800P

R2646

100K

MAIN

CIRCUIT

(2A) ON

SCHEMATIC

DIAGRAM-3

CF2602

R2636

R2637

L2601

G2A411C00001

L2602

G2BPC0000016

D2602

B0CDBB000015

: +B SIGNAL LINE

STRQ

SDC

AIN

AOUT

VDD

FMIN

AMIN

IFIN

MONO

VSS

XOUT

XIN

IC2601

PILOT

OUT

MPX

PILOT

DET

OUT

RCH

LCH

MONO

FM/AM

OSC

AFC

AGC

MIX

OUT

REG

GND

DET

VCC

STRQ

OSC

OUT

AM LOOP ANT

AM EXT

ANT

75 OHM

FM EXT

ANT

GND

C2637

C2631

150P

3300P

5.6P

100K

1000P

220

100K

180P

2.2P

1.2U

680K

3.3P

18P

390

0.47U

1000P

390

680K

5.6P

2.2P

390

560K

4.7P

2.2P

2.7K

100K

: FM/AM SIGNAL LINE

: FM SIGNAL LINE
: FM OSC SIGNAL LINE

: AM SIGNAL LINE
: AM OSC SIGNAL LINE

C2910

680P

SA-AK240PL

Summary of Contents for SA-AK240PL

Page 1: ...ution is a violation of law SA AK240PL Colour S Silver Type S N 20dB at 1000 kHz 560 µV m Music Port input jack Terminal Stereo 3 5 mm jack Sensitivity 100 mV 4 7 kΩ Phone jack Terminal Stereo 3 5 mm jack 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 Erasing sys...

Page 2: ...n in standby mode 0 28 W Dimensions W x H x D 250 x 330 x 343 mm Mass 6 6 kg Operating temperature range 5 to 35 C Operating humidity range 5 to 90 RH no condensation n SYSTEM SC AK240 PL Music center SA AK240 PL Speaker SB AK240 GC For information on speaker system please refer to the original Service Manual Order No MD0512446A3 Notes 1 Specifications are subject to change without notice Mass and...

Page 3: ... Power P C B 80 18 6 F Deck P C B G Deck Mechanism P C B H Tuner Pack P C B 81 19 Illustration of ICs Transistors and Diodes 83 20 Terminal Function of IC s 84 20 1 IC7001 MN6627954MA Servo Processor Digital Signal Processor Digital filter and D A Converter 84 20 2 IC7002 BA5948FPE2 IC 4CH Drive 85 20 3 IC2801 C2CBYY000053 System Microprocessor 85 21 Exploded Views 87 21 1 Cabinet Parts Location 8...

Page 4: ...Check each exposed metallic part and measure the voltage at each point 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 speci...

Page 5: ...e such as aluminium foil to prevent electrostatic charge build up or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder remover device Some solder removal devices not classified as anti static ESD protected can generate electrical charge to damage ES devices 5 Do not use freon propelled chemicals These can generate el...

Page 6: ...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 7: ... 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 8: ...the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron In case of soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C When soldering or unsoldering please completely remove all of the solder on the pins or solder area and be sure to heat the soldering points with the ...

Page 9: ...6 New Features 6 1 CRS1 Mechanism Overview 6 1 1 General Feature This is a five disc changer mechanism for CD DVD The outline figure is shown below 9 SA AK240PL ...

Page 10: ...l movement 6 1 3 Mechanism Operation This mechanism has the following state 1 Driving of a tray to open close 2 Up down operation of a traverse performs a state changes of tray By using the plunger to lift release of a switching gear and the cam gear to lift release the function gear the motor can be link to several gear trains to perform various operations The functions that can be perform in thi...

Page 11: ...t contain the following information for the mention CD Mechanism drive Schematic Diagram Block Diagram and P C B layout of CD Loading P C B Part List for individual parts of the mechanism Exploded View and Parts List for individual parts of the CD Mechanism drive Please refer to the original service manual Order No MD0509368C0 for the CD Mechanism Drive CRS1 11 SA AK240PL ...

Page 12: ...7 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 12 SA AK240PL ...

Page 13: ...8 Operating Instructions Procedures 13 SA AK240PL ...

Page 14: ...14 SA AK240PL ...

Page 15: ...of CD Changer Unit For more information refer to section 9 1 1 In Self Diagnostic Mode 1 Select for CD mode 2 Press button To exit press button on main unit or remote control The tray will return to PLAY position and then power off Doctor Mode To enter into Doctor Mode for checking of various items and displaying EEPROM and firmware version 1 2 1 All segments will light up for 1 second 2 The Check...

Page 16: ...nd LED will blink at 0 5 second interval In doctor mode 1 Press DIMMER button on remote control Tape Eject Test To check on the tape eject function For deck 1 2 In doctor mode 1 Press PROGRAM button on remote control 9 1 1 CD changer unit ageing test mode Below is the process flow chart of ageing for the CD changer unit CRS1 16 SA AK240PL ...

Page 17: ...tion refer Section 9 1 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 17 SA AK240PL ...

Page 18: ...turn Low a fail safe time after system command transmission is sent For CD unit For Traverse Press on main unit for next error F61 Power Amp IC output abnormal Upon power on PCONT HIGH DCDET L after checking LSI For power 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 ICS...

Page 19: ...E on main unit for next error PDRV Cam gear gear assembly abnormal Cam gear does not move from HOME to PLAY drive position For CD changer unit CRS1 Press SINGLE CHANGE on main unit for next error UDU UD base asssembly abnormal UD Base assembly does not move upwards from tray 5 to tray 2 For CD changer unit CRS1 Press SINGLE CHANGE on main unit for next error UDD UD base asssembly abnormal UD Base ...

Page 20: ...fails the error code will appear For CD changer unit CRS1 Press SINGLE CHANGE on main unit for next error CRS1 Error Code display 1 The errors that occured in CRS1 Mechanism can be recalled and displayed in the order of the occurence under self diagnostic Refer to Section 9 1 for procedures to enter this mode Only the first 5 errors will be memorized in backup memory The subsequence error shall be...

Page 21: ... 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 22 if necessary Warning This product uses a laser diode Refer to caution statement Precaution of Laser Diode Caution After replacing of CD Changer Unit ageing test is ...

Page 22: ...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 22 SA AK240PL ...

Page 23: ...10 3 Main Parts Location 23 SA AK240PL ...

Page 24: ...ep 2 Disconnect cable CN2810 Fan at Main P C B Step 3 Remove rear panel Step 1 Remove 1 screw at rear panel Step 2 Detach the FFC cables CN2801 CN2805 10 4 Disassembly of Top Cabinet 10 5 Disassembly of Rear Panel Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet 10 6 Disassembly of CD Changer Unit CRS1 Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet 24 SA AK240PL ...

Page 25: ...assembly of Mecha Chassis Step 5 Remove 2 screws Step 6 Remove the Mecha Chassis Note For disassembly assembly of traverse unit please refer to section 10 14 of this service manual Please refer to original Service Manual for the Disassembly and Assembly of the CD Changer Unit CRS1 25 SA AK240PL ...

Page 26: ...N2808 CN2809 Step 3 Remove Main P C B Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step 1 Step 3 of Item 10 5 Disassembly of Rear Panel 10 8 Disassembly of Transformer P C B Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 3 of Item 10 5 Disassembly of Rear Pan...

Page 27: ... or 3 screws to Voltage Regulator Step 5 Cut the joints with a metal cutter as shown below Step 6 Desolder the terminals to replace the components Step 7 Fix back the cut portion with a screw as shown 10 9 Disassembly of Power P C B Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step 1 Step 3 of Item ...

Page 28: ...ent the front panel unit slightly forward as arrow shown Step 3 Release 2 claws outwards 10 10 Disassembly of Front Panel Unit Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit 28 SA AK240PL ...

Page 29: ... 1 Disassembly of Lid Step 1 Lift the spring sideward each side of bottom chassis to be aligned to front panel s slot Assembly is secured upon hearing clicking sound Step 2 Remove Lid Note Do not misplace the spring 10 11 Disassembly for Panel P C B Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step ...

Page 30: ...ote For disassembly of parts for deck mechanism unit refer to Section 10 15 Step 2 Desolder wire at deck motor terminals W1002 Step 3 Remove Deck P C B 10 12 Disassembly of Deck mechanism unit Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step 1 Step 4 of Item 10 10 Disassembly of Front Panel Unit 10...

Page 31: ...op 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 Step 3 Remove the traverse unit as arrow shown Assembly of Traverse Unit Step 1 Turn over the unit and install the traverse unit 31 SA AK240PL ...

Page 32: ...the catch push the pin in Step 3 Remove 4 pins 10 15 Disassembly of optical pickup unit CD mechanism Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step 1 Step 2 of Item 10 14 Disassembly of Traverse Unit 32 SA AK240PL ...

Page 33: ...urn it over Note Insert a short pin into FFC of the optical pickup Step 7 Rotate the traverse deck B to the arrow direction and shift the optical pickup to the furthest backward Step 8 Remove the catch of the drive rack and take out the drive rack Step 9 Place the convex part of an optical pickup to the concave part of a traverse base then take out the optical pickup 33 SA AK240PL ...

Page 34: ... Step 2 of Item 10 4 Disassembly of Top Cabinet Follow the Step 1 Step 4 of Item 10 6 Disassembly of CD Changer Unit Follow the Step 1 Step 4 of Item 10 10 Disassembly of Front Panel Unit Follow the Step 1 Step 5 of Item 10 12 Disassembly of Deck Mechanism Unit 10 16 1 Disassembly of the pinch roller ass y and head block 34 SA AK240PL ...

Page 35: ...en remove the pinch roller F Step 2 Release 2 claws and detach the head block connector Step 3 Remove 2 screws Step 4 Remove head block Step 6 Remove the flywheel R Step 7 Release the claw and remove the winding lever and spring Installation of the belt Step 1 The boss and marking should be positioned horizontally 10 16 2 Disassembly of capstan motor ass y capstan belt A capstan belt B and winding...

Page 36: ... Step 5 Install the winding lever and spring while pressing the winding arm in the direction of arrow Step 6 Install the flywheel R Step 7 Put the capstan belt A temporarily as shown below Step 8 Put the capstan belt B on the motor ass y pulley Step 9 Install the sub chassis to the mechanism and then tighten screws 36 SA AK240PL ...

Page 37: ...f the arrow to remove it Step 10 Install 3 screws Step 11 Put the capstan belt B as shown below Step 12 Put the capstan belt A on the motor ass y pulley Step 2 Push up the cassette lid L R in the direction of arrow For DECK1 and DECK2 10 17 Replacement for cassette lid Follow the Step 1 Step 2 of Item 10 4 Disassembly of Top Cabinet 10 18 Rectification for tape jam problem Follow the Step 1 Step 2...

Page 38: ...Step 2 Push the lever upward and open the cassette lid Remove the cassette tape 38 SA AK240PL ...

Page 39: ...nsion FFC A Deck P C B Main P C B REEX0485 14 Pins B Panel P C B Deck Mechanism P C B REEX0484 10 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 39 SA AK240PL ...

Page 40: ...12 2 Checking and Repairing of Transformer P C B 40 SA AK240PL ...

Page 41: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 41 SA AK240PL ...

Page 42: ...12 4 Checking and Repairing of Power P C B 42 SA AK240PL ...

Page 43: ...he output frequency of the DECK 1 FWD are within 60 Hz of the value of the output frequency of DECK 2 FWD Fig 1 13 1 2 Bias Voltage Check 1 Set the unit AUX position 2 Insert the Normal blank tape QZZCRA into DECK 2 and the unit to REC mode use l REC STOP key 3 Measure and make sure that the output is within the standard value Bias voltage for Deck 2 14 4mV Normal Fig 2 Fig 3 13 Adjustment Procedu...

Page 44: ...put frequency is maximized at 450kHz in Fig 6 Fig 5 Fig 6 13 2 2 AM RF Adjustment 1 Set up the equipments as shown in Fig 7 2 Select TUNER on selector and set to AM mode 3 Set AM SG to 520kHz 4 Receive 520kHz in the unit 5 Adjust L2601 OSC so that the EVM AC is maximized 6 Set AM SG to 600Hz 7 Receive 600Hz in the unit 8 Adjust L2601 ANT so that the EVM SG is maximized 9 Set AM SG to 520kHz 10 Rec...

Page 45: ...Fig 7 13 2 3 Adjustment Point Below is the locations of alignment points on the Main Tuner P C B 45 SA AK240PL ...

Page 46: ...cribed 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 14 1 CD Servo P C B Main P C B 46 SA AK240PL ...

Page 47: ...47 SA AK240PL ...

Page 48: ...14 2 Power P C B Transformer P C B 48 SA AK240PL ...

Page 49: ...14 3 Waveform Chart 49 SA AK240PL ...

Page 50: ...50 SA AK240PL ...

Page 51: ...MOTOR M7301 A CD SERVO P C B M M CN7002 1 2 16 17 PbF SOLDER SIDE SOLDER SIDE B MAIN P C B FM ANT AM ANT JK2601 H TUNER PACK P C B TUNER PACK PbF CN2809 1 12 1 12 CN2808 CN2803 14 2 13 1 CN2951 10 2 9 1 29 1 30 2 CN2806 CN2805 1 15 2 14 1 2 17 16 CN2801 1 2 To Fan CN2810 FAN MOTOR 2 1 BLACK RED SENSOR Z6481 JK6551 JK6751 VOLUME VR6491 CN6601 30 2 29 1 JK5101 E POWER P C B SOLDER SIDE LEFT SPEAKER ...

Page 52: ...52 SA AK240PL ...

Page 53: ...F LD RST LPD ARFF PC SPOUT TRVP TRP FOP ARFOUT ARFDC RFOUT RFIN CENV CTRCRS OSCIN VREF RFENV PC SPOUT TRVP TRP FOP LD PD A B C D E F NSRVMONON NTEST2 MDATA ARFIN ARFF BLKCK 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 62 NRAS SDRCK LRCK BCLK SRDATA EXT0 EXT2 EXT1 10 100 DVDD2 ...

Page 54: ...612 ANALOG SWITCH IC1004 Q1003 SWITCHING BEAT PROOF RECH L1002 IC951 PHOTO INTERRUPTER CNB13030R2AU IC P IN C 97 PHOT0_1 6 19 15 12 21 4 22 3 17 8 1 2 24 23 3 5 2 4 Q2980 DECK MOTOR SWITCH M1002 S951 MODE 52 HALF_1 53 MODE_1 S952 HALF Z971 INTERFACE 91 DECK2 S972 HALF S975 RECINH_F S971 MODE DECK 2 R P HEAD LCH Q1017 MOTOR SWITCH M DECK 2 ERASE HEAD DECK 1 P B HEAD LCH MLD MCLK CE MDATA SD BLKCK P...

Page 55: ...1 DECK 2 R P HEAD LCH B Q1017 MOTOR SWITCH M DECK 2 ERASE HEAD DECK 1 P B HEAD LCH IC2803 C1BB00001121 AUDIO SOUND PROCESSOR JK2801 AUX S6101 S6108 S6201 S6207 S6302 S6307 Q2317 Q METER CONTROL SWITCH MUTING CONTROL MUTING CONTROL MUTIN CONTR AGC CONTROL SWITCH Q2511 Q2411 Q2311 Q2142 Q2242 DATA 40 CLK 39 26 ASP_DAT 27 ASP_CLK 47 DCDET IN L1 R1 IN L3 R3 IN L2 R2 1 2 3 4 REC L R 53 17 GV OUT L R 54...

Page 56: ...5951 POWER TRANSFORMER T5951 PCONT CONTROL F1 Q5953 D5961 D5964 D5961 D5964 Q5115 Q5952 SYSTEM 6V VOLTAGE REGULATOR JK5950 AC INLET L5950 LINE FILTER D5950 D5953 FP5950 FP5940 SUB TRANSFORMER D5954 D5957 Q5112 Q5114 5 7V VOLTAGE REGULATOR 15V VOLTAGE REGULATOR CURRENT STABLISER LIMITER SWITCH 11V VOLTAGE REGULATOR Q5101 Q5110 Q5111 FP5920 Q5102 Q5108 Q5109 Q2950 Q2952 C1BA00000407 2 CH DIGITAL AMP...

Page 57: ...reference voltage of this unit measured by DC electronic voltmeter high impedance and oscilloscope on the basis of chassis Accordingly there may arise some error in voltage values and waveforms depending upon the internal impedance of the tester or the measuring unit Importance safety notice Components identified by mark have special characteristics important for safety Furthermore special parts w...

Page 58: ...58 SA AK240PL ...

Page 59: ...7 0 C7315 0 47 R7323 3 3K R7327 1K R7335 100 C7335 0 1 C7334 10V220 R7336 10 F C7670 0 1 C7626 0 1 R7315 3 3K R7325 330 IC7002 BA5948FPE2 4 CH DRIVE VCC NC NC NC IN3 IN4 VREF NC GND GND PVCC2 PGND2 D4 D4 D3 D3 PGND1 PVCC1 NC D2 D2 D1 D1 IN1 NC NC PC2 PC1 IN2 NC 3 4 5 6 24 25 26 27 28 8 1 2 23 21 9 20 10 19 1 11 18 2 13 17 16 15 22 7 14 R7339 1K A 12 11 10 2 4 6 8 9 7 5 3 1 13 14 15 16 CN7001 CP701...

Page 60: ...SA AK240PL 60 ...

Page 61: ...00P C2615 50V4 7 C2616 0 033 R2620 47K R2643 22K C2638 0 01 R2623 68K C2620 16V10 R2621 22K R2602 4 7K C2639 50V4 7 C2618 0 01 C2617 0 01 C2642 50V1 R2642 6 8K C2641 50V1 R2641 6 8K R2626 1K R2625 470 R2629 27K R2627 470 C2624 100P R2632 10K C2648 0 01 R2624 33 X2602 H3F1065A0002 C2622 50V1 R2622 2 7K C2621 50V0 47 R2631 120 R2644 120 R2633 W2919 0 1K C2629 6 3V100 C2649 0 1 C2623 50V1 R2645 100K ...

Page 62: ...SA AK240PL 62 ...

Page 63: ...K C2191 50V4 7 C2282 1 C2281 1 B0ACCK000005 R2222 3 3K R2122 3 3K C2121 3300P C2221 3300P R2121 3 3K R2221 3 3K TUNER RCH IN L1 IN R1 IN R2 IN R3 IN R4 IN R5 IN R6 GND REF IN REF OUT REC_L PRE VIN R HB MIX IN HB MIX OUT HB FLT OUT HB ATT IN HB ATT OUT HB LPF IN HB LPF OUT NC NC TRE R MID R1 MID R2 BASS R2 T OUT R R OUT VCC CLK DATA NC L OUT POST VM L T OUT L BASS L2 BASS L1 MID L2 MID L1 TRE L SUR...

Page 64: ...445 1 5K R2357 100K R2457 100K C2344 0 47 C2444 0 47 R2447 1 R2446 3 3K R2346 3 3K R2347 1 R2451 33 C2943 50V2 2 R2453 33 R2452 27 R2454 27 R2441 27 R2443 27 R2442 33 R2444 33 R2351 33 C2341 1000P C2441 1000P R2353 33 R2352 27 R2354 27 R2341 27 R2343 27 R2342 33 R2344 33 Q2511 F_HOP R2273 4 7K R2271 15K TO POWER CIRCUIT CN5102 ON SCHEMATIC DIAGRAM 6 R2431 0 R2704 220K C2704 470P R2145 10K R2314 0 ...

Page 65: ...936 15V HP_L HP_GND HP_R DGND SW5V PA_IN_L PA_IN_GND PA_IN_R MOT10V SW_LED VOL_LED J_VOLA J_VOl_B FL_RST FL_CS FL_DOUT FL_CLK H_BASS_LED KEY3 KEY2 KEY1 P GND RMT VREF SYNC PCONT SYS6V 15V MOT_12V CHG_PLR 88 HP_L HP_GND HP_R UP_GND SW5V PA_IN_L PA_IN_GND PA_IN_R MOT_12V SW_LED VOL_LED J_VOLA J_VOl_B FL_RESET FL_CS FL_DOUT FL_CLK H_BASS_LED KEY3 KEY2 KEY1 P GND RMT VREF SYNC PCONT SYS6V 1 2 3 4 5 6 ...

Page 66: ...8 100K R2817 100K R2830 100K R2831 100K R2832 100K R2833 100K R2810 22K R2802 100 C2821 100P R2882 10M R2883 330K C2883 18P R2886 1M R2881 220 C2803 1 C2853 0 1 R2851 47K C2940 0 1 R2940 820K D2803 B0ACCK000005 D2801 B0ACCK000005 C2802 50V2 2 C2882 18P X2801 H0A327200115 X2802 H2B100500004 R2803 10K VREF R2873 22K R2871 22K R2874 4 7K C2871 330P C2874 330P C2872 0 022 1 2 3 4 8 7 6 5 NC VCC EE_CS ...

Page 67: ...F HP_SW GND2 KEY3 KEY1 R6102 1K GND2 SYNC PCONT SYS6V 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 8 7 9 S6101 POWER S6102 SINGLE DISC CHANGE R6103 2 2K S6103 OPEN CLOSE R6104 1 8K S6104 CD1 CD2 CD3 CD4 CD5 R6105 2 2K S6105 R6106 2 7K S6106 R6107 4 7K S6107 R6108 6 8K R6109 10K R6110 22K S6108 S6302 TAPE S630...

Page 68: ...SA AK240PL 68 ...

Page 69: ... SYS6V SYS6V PCONT SYNC D_GND Q5952 T5951 RTP1H3E002 C5960 D5952 D5950 D5951 D5953 0 1 D5954 D5955 D5956 D5957 C5959 0 01 Z5950 ERZV10V511CS L5950 ELF15N035AN C5962 25V47 C5961 25V47 D5961 D5962 C5951 0 01 D5961 D5962 B0AAFK000004 4 3 2 1 SCHEMATIC DIAGRAM 5 TRANSFORMER CIRCUIT SA AK240PLTRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE FP5940 7A FP5920 7A 1 2 3 5 7 4 6 16 17 15 14 12 10 13 11 9 8 1...

Page 70: ...SA AK240PL 70 ...

Page 71: ... 015 C5321 0 1 R5138 10 C5317 0 1 C5327 0 68 R5305 22 22 R5306 L5301 G0C220Z00002 C5316 0 1 C5314 0 1 C5312 0 1 C5315 0 1 C5309 0 1 C5308 0 1 C5324 0 68 C5333 220P C5331 220P C5325 0 1 C5326 0 C5328 0 1 C5329 0 C5318 0 1 C5320 0 1 C5322 0 1 C5323 0 1 R5307 10 R5308 10 C5339 0 47 R5303 5 6K R5304 5 6K C5340 0 47 C5336 1000P C5305 330P R5149 1K R5173 1K C5301 0 47 R5301 5 6K R5302 5 6K C5303 0 47 C5...

Page 72: ...06 1M R5205 100K R5207 6 8K C5202 100P C5203 100P C5201 470P R5203 10K R5201 1K R5204 100K R5202 100K R5210 270 C5210 220P R5209 10 C5208 6 3V680 C5204 100P X5201 H2A415300001 X5202 H2A375300003 Q5202 Q5201 C5701 6 3V100 F_HOP AGND AGND IC5201 C0JBAB000011 LOGIC 1 14 2 3 4 5 13 12 11 10 6 9 8 7 C5327 0 68 R5305 22 22 R5306 L5301 G0C220Z00002 C5324 0 68 C5333 220P C5331 220P C5325 0 1 C5326 0 C5328...

Page 73: ...047 C1008 50V1 C1034 50V3 3 R1032 10K R1055 2 2K C1038 220P C1042 16V22 R1031 27K R1035 10K R1030 100 5 11 12 TAPE B INPUT TAPE B INPUT TAPE A INPUT TAPE A INPUT PB AMP NF PB AMP NF PB AMP EQ PB AMP EQ PB AMP OUTPUT PB AMP OUTPUT AB SW T REC IN REC IN REC OUT REC OUT REC PB SW AB SW RIPPLE FILTER OUTPUT GND VCC CRO NOR HI LO ALC T ALC LOW CUT IC1001 SW GND CTRL2 CTRL1 3 C1058 1000P R1100 0 R1101 0...

Page 74: ...SA AK240PL 74 ...

Page 75: ...18 Printed Circuit Board Note Circuit board diagrams may be modified at any time with the development of new technology SA AK240PL 75 ...

Page 76: ...W7003 W7028 C7243 TP4 X C7234 R7254 W7009 W7001 CN7002 W7010 C7235 W7011 TP3 X TP31 X TP1 X R7332 TP39 X TP10 X TP8 X TP7 X TP9 X M7301 TRV MOTOR TP38 X TP11 X TP36 X M7302 SPL MOTOR TP37 X R7335 R7325 R7315 TP2 X REST SW C7264 R7214 R7220 X7201 C7263 C7166 C7230 C7216 R7212 W7013 C7241 C7217 R7211 C7244 W7012 C7223 C7203 W7014 W7015 C7204 TP51 RF C7161 C7102 C7142 C7107 IC7001 R7331 C7165 C7315 R...

Page 77: ... C2431 W2319 C2182 R2182 C2101 C2433 R2434 R2435 R2326 C2325 W2136 W2137 K2302 W2130 W2140 W2141 C2943 CN2809 W2132 W2131 R2111 R2112 R2104 C2113 R2102 C2124 W2178 W2179 C2224 C2122 C2112 C2114 C2212 C2214 C2222 C2132 C2232 R2183 R2181 C2252 C2152 IC2803 C2401 C2402 R2401 C2275 C2195 C2194 R2195 R2196 R2194 C2193 R2271 C2272 C2271 R2273 C2274 C2273 R2587 C2633 C2634 X2603 IC2602 R2638 R2617 R2633 ...

Page 78: ...S6203 DECK 1 2 R6204 W6054 W6085 W6059 W6051 W6050 W6048 C6481 W6402 FL6602 R6605 W6044 W6045 W6046 W6047 VR6491 C6492 C6491 W6052 R6492 K6051 P R6205 S6204 H BASS S6202 DISPLAY DEMO R6206 W6081 W6080 R6491 W6040 W6049 W6043 W6038 W6503 W6504 W6505 IC6601 R6458 R6604 R6603 R6601 C6604 C6603 C6601 R6493 W6004 W6082 W6003 W6002 W6017 W6014 W6012 R6199 W6032 CN6601 W6018 W6030 W6034 W6033 W6011 W6010...

Page 79: ...1 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 7A FP5940 7A W5909 C5958 C5957 D5960 W5905 R5960 Q5953 R5961 D5966 C5954 C5952 R5963 D5964 C5953 Q5950 D5952 D5950 C5950 D5956 D5957 D5955 D5954 C5959 FP5950 4A W5910 C5960 D5965 R5950 SUB TRANSFORMER RL...

Page 80: ...D5129 K5101 D5128 J5127 W5151 W5162 W5144 D5152 W5126 W5142 W5118 C5181 W5123 K5104 Q5110 C5123 C5124 W5193 J5104 J5103 K5109 K5108 K5107 K5106 W5156 W5169 W5168 W5160 W5186 W5180 W5163 W5164 W5158 W5159 W5192 W5140 W5117 W5200 K5511 K5512 W5205 W5206 W5207 W5208 W5105 E5101 E5102 E5103 W5110 C5701 W5171 W5172 W5173 W5174 W5137 W5138 W5139 W5141 W5153 W5154 W5155 W5175 W5165 C5151 C5152 C5153 C515...

Page 81: ...J1111 J1011 J1020 J1012 J1013 J1022 J1028 J1038 J1014 J1033 J1023 J1021 J1015 C1046 Q1005 R1007 W1002 CS1002 TO R P HEAD CS1001 TO P B HEAD L1002 IC1004 C1041 CN1001 J1010 J1004 C1030 C1032 C1045 C1033 C1037 C1056 C1031 C1035 C1042 J1064 J1051 L1001 Q1004 J1006 J9999 R1005 R1003 C1021 R1010 R1097 R1004 C1016 R1060 C1017 C1020 R1009 C1014 C1013 C1019 R1018 C1057 C1038 C1036 R1032 R1055 R1098 R1026 ...

Page 82: ...SA AK240PL 82 ...

Page 83: ...005 Cathode Anode Ca A B0ADCJ000020 Ca A Cathode Anode B3AAA0000583 B0ADCC000002 B0BC7R500001 Cathode Ca A Anode B0BC9R000008 A Ca Cathode Anode C1BB00001121 100P C2CBYY000053 100P C0HBB0000057 44P MN6627954MA 100P 1 B0BA01500003 B0BA01900005 A Ca Anode Cathde 1 28 15 14 7 21 22 8 BA5948FPE2 A Ca Cathode Anode MAZ80560ML E C B E C B B1CECC000003 C1BA00000407 1 18 B0EAMM000038 A Ca Anode Cathode B0...

Page 84: ...FB I ARF Feedback Signal I P 51 ARFIN I Audio RF Signal I P 52 DSLF I 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 I Analog Power Supply Voltage 1 59 OUTR O Audio O P RCH 60 DVSS3 GND3 Digital Circuit 61 NSRVMONON I Servo ...

Page 85: ...io Mute 41 EE_CS EFP EPH O EEPROM Chip Select 42 EE_CLK O EEPROM CLOCK 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 O No Connection 25 VCC I Power Supply termi...

Page 86: ...for CRS1 90 UP_SENSOR I UD Sensor for CRS1 91 DECK2 I DECK CONDITION INPUT 2 R_INHF MODE2 HALF2 92 KEY3 I KEY3 INPUT 93 KEY2 I KEY2 INPUT 94 KEY1 I KEY1 INPUT 95 PHOTO_2 I Rotation Detection Signal Deck 2 96 AVSS Analog Power Supply Input Connect to GND 97 PHOTO_1 I Rotation Detection Signal Deck 1 98 VREF Reference for A D 5V 99 AVCC Analog Power Supply Input 100 DEMO I H default demo on L defaul...

Page 87: ...21 Exploded Views 87 SA AK240PL ...

Page 88: ...88 SA AK240PL ...

Page 89: ...21 1 Cabinet Parts Location SA AK240PL 89 ...

Page 90: ...SA AK240PL 90 ...

Page 91: ...21 2 Deck Mechanism Parts Location RAA4502 S SA AK240PL 91 ...

Page 92: ...SA AK240PL 92 ...

Page 93: ...21 3 Packaging SA AK240PL 93 ...

Page 94: ...SA AK240PL 94 ...

Page 95: ...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 MOVING CORE M 124 RSJ0003 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 ...

Page 96: ...OR M Q2341 B1ABGC000005 TRANSISTOR M Ref No Part No Part Name Description Remarks Q2411 B1ABGC000005 TRANSISTOR M Q2417 B1ABGC000005 TRANSISTOR M Q2441 B1ABGC000005 TRANSISTOR M Q2511 B1GDCFJJ0047 TRANSISTOR M Q2601 B1AABC000003 TRANSISTOR M Q2606 B1GCCFJJ0016 TRANSISTOR M Q2803 B1GBCFJJ0051 TRANSISTOR M Q2901 B1ACKD000006 TRANSISTOR M Q2902 B1AACF000064 TRANSISTOR M Q2906 B1ABCF000176 TRANSISTOR ...

Page 97: ...05RJ SW MUSIC PORT M S6308 EVQ21405RJ SW MULTI DISC CHANGE M S7201 RSH1A048 A SW RESET M CONNECTORS CN971 K1MN10B00104 10P FFC CONNECTOR M CN1001 K1MN14B00058 14P FFC CONNECTOR M Ref No Part No Part Name Description Remarks CN2801 K1MN17AA0004 17P CONNECTOR M CN2803 K1MN14A00049 14P FFC CONNECTOR M CN2805 K1MN14A00049 14P FFC CONNECTOR M CN2806 K1MN30AA0004 30P CONNECTOR M CN2808 K1KB12B00036 12P ...

Page 98: ...019 D0GB392JA007 3 9K 1 16W M R1020 ERJ3GEY0R00V 0 1 16W M R1022 ERJ3GEYJ103V 10K 1 16W M R1024 ERJ3GEY0R00V 0 1 16W M R1025 ERJ3GEY0R00V 0 1 16W M R1026 ERJ3GEYJ102V 1K 1 16W M R1027 ERJ3GEY0R00V 0 1 16W M R1028 ERJ3GEYJ822V 8 2K 1 16W M R1029 D0GB475JA007 4 7M 1 16W M R1030 D0GB101JA007 100 1 16W M R1031 D0GB273JA007 27K 1 16W M R1032 ERJ3GEYJ103V 10K 1 16W M R1035 ERJ3GEYJ103V 10K 1 16W M R1040...

Page 99: ...B471JA041 470 1 16W M R2606 D0GB474JA041 470K 1 16W M R2607 D0GB331JA007 330 1 16W M Ref No Part No Part Name Description Remarks R2610 ERJ3GEYJ102V 1K 1 16W M R2611 D0GB391JA041 390 1 16W M R2612 D0GB104JA007 100K 1 16W M R2613 ERJ3GEYJ103V 10K 1 16W M R2614 D0GB562JA007 5 6K 1 16W M R2615 D0GB561JA007 560 1 16W M R2616 ERJ3GEYJ102V 1K 1 16W M R2617 D0GB473JA041 47K 1 16W M R2618 D0GB332JA007 3 3...

Page 100: ...72JA041 4 7K 1 16W M R5101 ERJ3GEYJ103V 10K 1 16W M R5103 D0C1103JA020 10K 1W M R5105 ERJ3GEYJ103V 10K 1 16W M Ref No Part No Part Name Description Remarks R5106 D0GB223JA041 22K 1 16W M R5107 D0GB561JA007 560 1 16W M R5108 D0GB470JA008 47 1 16W M R5109 ERJ3GEYJ102V 1K 1 16W M R5110 D0GB222JA041 2 2K 1 16W M R5111 D0GB104JA007 100K 1 16W M R5112 D0GB473JA041 47K 1 16W M R5113 D0GB473JA041 47K 1 16...

Page 101: ...me Description Remarks W2525 ERJ3GEY0R00V CHIP JUMPER M W2526 ERJ3GEY0R00V CHIP JUMPER M W2530 ERJ3GEY0R00V CHIP JUMPER M W2531 ERJ3GEY0R00V CHIP JUMPER M W2532 ERJ3GEY0R00V CHIP JUMPER M W2534 ERJ3GEY0R00V CHIP JUMPER M W2535 ERJ3GEY0R00V CHIP JUMPER M W2536 ERJ3GEY0R00V CHIP JUMPER M W2537 ERJ3GEY0R00V CHIP JUMPER M W2539 ERJ3GEY0R00V CHIP JUMPER M W2540 ERJ3GEY0R00V CHIP JUMPER M W2542 ERJ3GEY0...

Page 102: ...C2113 F1H1H152A219 1500P 50V M C2114 ERJ3GEY0R00V 0 1 16W M C2121 F1H1H332A013 3300P 50V M Ref No Part No Part Name Description Remarks C2122 ECJ1VB1C105K 1 16V M C2124 ERJ3GEY0R00V 0 1 16W M C2131 ERJ3GEY0R00V 0 1 16W M C2132 ECJ1VB1C105K 1 16V M C2134 ERJ3GEY0R00V 0 1 16W M C2152 ECJ1VB1C105K 1 16V M C2154 ERJ3GEY0R00V 0 1 16W M C2161 F1H1H103A219 0 01 50V M C2171 F1H1C104A041 0 1 16V M C2172 EC...

Page 103: ...50V M C2883 ECJ1VC1H180J 18P 50V M C2901 F1H1C104A041 0 1 16V M C2903 F1H1H103A219 0 01 50V M Ref No Part No Part Name Description Remarks C2904 ECA1CAK101XB 100 16V M C2906 F1H1H102A219 1000P 50V M C2910 ECJ1VB1H681K 680P 50V M C2940 F1H1C104A041 0 1 16V M C2941 ECA1CAK330XB 33 16V M C2943 ECA1HAK2R2XB 2 2 50V M C2944 ECJ1VC1H101K 100P 50V M C2945 ECA1CAK470XB 47 16V M C2947 ECA0JAK101XB 100 6 3V...

Page 104: ...0V 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 ECJ1VB1A474K 0 47 10V M C7107 ECJ1VB1H223K 0 022 50V M C7142 ECJ1VB1H332K 3300P 50V M C7154 ECJ1VB1C104K 0 1 16V M C7155 ECJ1VB1C104K 0 1 16V M C7161 ECJ1VB1C104K 0 1 16V M C7164 ECJ2FF1A106Z 10 10V M C7165 ECJ2FF1A106Z 10 10V M C7166 ECJ1VB1H103K 0 01 50V M C7203 F2A0...

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