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Panasonic SA-AK240P, Service Manual

The Panasonic SA-AK240P Service Manual is a comprehensive user manual designed to provide detailed instructions for operating and troubleshooting the SA-AK240P audio system. You can download this essential manual for free from manualshive.com, ensuring a smooth user experience without any hassle.

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17.4. (B) Main Circuit

N

R2

3.

R2

3

C2112 1
C2212 1
C2122 1
C2222 1

C2252 1

C2152 1

C2232 1

C2132 1

R2212

3.3K

R2112

3.3K

1
2
3
4
5
6
7
8

15 16 17 18 19 20 21 22 23

35

36

37

38

39

40

41

42

48

49

50

51

52

53

54

55

56

9

34

24

47

10

33

25

46

11

32

12

31

26

45

27

44

13

30

14

29

28

43

IC2804

C0AABB0001

OP AMP

C2976

16V10

D2191

D2583

B0BC9R000008

PB_L
PB_R
GND
REC_IN_L
REC_IN_R
+B

1

2

3

4

5

6

14

12

10

8
7

9

11

13

C2583

16V100

C2509

16V33

R2509

560

REC_H
MO+B
MO_GND
NC
DECK1_H
NC
MOTOR
NC

R2401

15K

R2311

470

R2312

10K

R2412

10K

R2355

270K

C2442

1

C2342

1

C2312

1

Q2411

Q2311

R2455

270K

C2311

1

R2193

4.7K

R2283

100K

C2283

0.047

R2194

100K

C2194

0.12

C2275

3900P

C2588

0.1

C2585

220P

R2585

330K

R2510

220

C2584

220P

R2512

100K

R2511

2.2K

C2511

50V2.2

R2414

0

R2246

1K

D2241

B0ACCK000005

C2411

1

C2313 47P

C2413

47P

C2414 10P

C2314

C2706

50V1

R2415 56K

R2706

3.3K

C2412

1

R2586

1.2K

R2584

330K

R2587

1.2K

R2102

3.3K

R2202

3.3K

MUTE_A

ASP_DA

+15V

ASP_CLK

SW15V

+15V

SW5V

MOT_12V

P_GND

-9V

A_GND

HP_R

HP_L

REC[59]

MTR[58]

DECK_H

R2675

R2248

6.8K

2

3

4

7

6

5

Q2341

Q2441

R2345

1.5K

R2445

1.5K

R2357

100K

R2457

100K

C2344 0.47

C2444 0.47

R2447

1

R2446

3.3K

R2346

3.3K

R2347

1

R

R

R2442

33

R2444

33

R

R

R2342

33

R2344

33

Q2511

Q2980

R2173

4.7K

R2172

22K

R2273

4.7K

R2271

15K

CN2803

MAIN CIRCUIT

SA-AK240P/PC MAIN CIRCUIT

SCHEMATIC DIAGRAM - 3

: +B SIGNAL
: -B SIGNAL

TO

DECK

CIRCUIT

(CN1001) ON

SCHEMATIC

DIAGRAM-7

R2211

2.2K

R2111

2.2K

R2104

3.9K

R2204

3.9K

R2674

47K

R2673

47K

R2672

10K

R2671

10K

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-FL

T-OUT

HB-A

TT

-IN

HB-A

TT

-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

SUR2

SUR1

REC-L

SV_OUT

-L

OP-OUT

OP-IN

PRE-VIN-L

POST-VM-R

BASS-R1

HARMIN

HARMOUT

GV

-OUT

-R

IN-L2

IN-L3

IN-L4

IN-L5

IN-L6

C2214

0

C2114

0

R2704

220K

C2704

470P

: FM/AM SIGNAL LINE

: CD SIGNAL LINE

: MAIN SIGNAL LINE

: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE

C21

13

0.01

C2213

0.01

C2124

0

C2224

0

C2134

0

C2234

0

C2154

0

C2254

0

C2161 0.01
C2261 0.01

C2581 16V100

C2582

16V100

R2282

0

C2201 1

C2195

0.47

R2145

10K

R2314

0

R2146

1K

R2313

100K

R2413

100K

C2181

1

C2182

1

R2702

1K

C2

C2

R23

56

R2703 220K

C2703

470P

Q2978

B1GDCFJJ0047

REC:ON/OFF CONTROL SWITCH

Q2980

B1GDCFJJ0047

SUPPLY CONTROL SWITCH

(DECK MOTOR)

Q2142

B1ABCF000176

AGC CONTROL SWITCH

Q2311,Q2411

B1ABGC000005

MUTING SWITCH

Q2242

B1ABCF000176

AGC CONTROL SWITCH

Q2511

B1GDCFJJ0047

MUTING CONTROL

Q2341,Q2441

B1ABGC000005

HEADPHONE MUTING

C2193

1

R2196

10K

R2195

10K

R2281

470

C2192

0.1

R2701

1K

C2273 0.01

C2274 0.01

C2271 0.15

C2272 0.12

C2402 0.22

C2401 0.12

C2302

0.22

C2301

0.22

C2172

0.082

C2171

0.1

C2174

0.01

C2173

0.01

C2183

0.22

R2183

1K

R2182

0

C2101

1

R2181

470

C2175

3900P

IC2803

C1BB00001121

AUDIO SOUND PROCESSOR

R2301

15K

R2411

470

R2245

1K

R2247

100K

C2245

16V10

W2506

0

W2503

0

W2520

0

W2577

0

W2501

0

W2511

0

W2531

0

W2513

0

W2514

0

W2546

0

W2526

0

W2530

0

W2553

0

1/4

SA-AK240P / SA-AK240PC

63

Summary of Contents for SA-AK240P

Page 1: ...ion is a violation of law SA AK240P SA AK240PC Colour S Silver Type Music Port input jack Terminal Stereo 3 5 mm 1 8 jack Sensitivity 100 mV 4 7 kΩ Phone jack Terminal Stereo 3 5 mm 1 8 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 system AC erase 1...

Page 2: ...sions W x H x D 250 x 330 x 343 mm 9 27 32 x 13 x 13 1 2 Mass 6 6 kg 14 6 lb Operating temperature range 5 to 35 C 41 to 95 F Operating humidity range 5 to 90 RH no condensation n SYSTEM SC AK240 P Music center SA AK240 P Speaker SB AK240 P SC AK240 PC Music center SA AK240 PC Speaker SB AK240 P Notes 1 Specifications are subject to change without notice Mass and dimensions are approximate 2 Total...

Page 3: ...anel P C B 78 18 4 D Transformer P C B 79 18 5 E Power P C B 80 18 6 F Deck P C B G Deck Mechanism 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 ...

Page 4: ...ance value between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 1MΩ and 5 2MΩ When the exposed metal does not have a return path to the chassis the reading must be Fig 1 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the...

Page 5: ...ve 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 by electro static discharge ESD 1 Immediately before handling any semiconductor component or semiconductor equiped assembly drain off any ESD on your body by touching ...

Page 6: ...tions 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 AK240P SA AK240PC ...

Page 7: ... 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 where the...

Page 8: ...riable 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 ADJUSTMENTS OR P...

Page 9: ...elting 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 Pb fr...

Page 10: ...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 10 SA AK240P SA AK240PC ...

Page 11: ...ement 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 this mec...

Page 12: ...tain 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 12 SA AK240P SA AK240PC ...

Page 13: ...7 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 13 SA AK240P SA AK240PC ...

Page 14: ...8 Operating Instructions Procedures 14 SA AK240P SA AK240PC ...

Page 15: ...15 SA AK240P SA AK240PC ...

Page 16: ... 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 Sum ...

Page 17: ...D will blink at 0 5 second interval In doctor mode 1 Press PROGRAM 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 17 SA AK240P SA AK240PC ...

Page 18: ...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 18 SA AK240P SA AK240PC ...

Page 19: ...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 ICSL Cam...

Page 20: ...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 assem...

Page 21: ...it 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...

Page 22: ...ial 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 neces...

Page 23: ...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 23 SA AK240P SA AK240PC ...

Page 24: ...10 3 Main Parts Location 24 SA AK240P SA AK240PC ...

Page 25: ...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 25 SA AK240P SA AK24...

Page 26: ...bly 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 26 SA AK240P SA AK240PC ...

Page 27: ... 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 Panel Fo...

Page 28: ... 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 10 5 ...

Page 29: ...aws located 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 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 29 SA AK24...

Page 30: ...1 Lift the spring sideward 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 1 Step 4 of Item 10 10 Disassembly of Front Panel Unit 30 SA AK240P SA AK240PC ...

Page 31: ...or 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 13 D...

Page 32: ...ep 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 32 SA AK240P SA AK240PC ...

Page 33: ...atch 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 33 SA AK240P SA AK240PC ...

Page 34: ...t 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 34 SA AK240P SA AK240PC ...

Page 35: ... 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 35 SA AK240P SA AK240PC ...

Page 36: ...move 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 belt...

Page 37: ... 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 37 SA AK240P SA AK240PC ...

Page 38: ... 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 of I...

Page 39: ...Step 2 Push the lever upward and open the cassette lid Remove the cassette tape 39 SA AK240P SA AK240PC ...

Page 40: ... 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 40 SA AK240P SA AK240PC ...

Page 41: ...12 2 Checking and Repairing of Transformer P C B 41 SA AK240P SA AK240PC ...

Page 42: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 42 SA AK240P SA AK240PC ...

Page 43: ...12 4 Checking and Repairing of Power P C B 43 SA AK240P SA AK240PC ...

Page 44: ... 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 Measurements and Adjustment...

Page 45: ...requency 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 Receive ...

Page 46: ...Fig 7 13 2 3 Adjustment Point Below is the locations of alignment points on the Main Tuner P C B 46 SA AK240P SA AK240PC ...

Page 47: ...d 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 47 SA AK240P SA AK240PC ...

Page 48: ...48 SA AK240P SA AK240PC ...

Page 49: ...14 2 Power P C B and Transformer P C B 49 SA AK240P SA AK240PC ...

Page 50: ...14 3 Waveform Chart 50 SA AK240P SA AK240PC ...

Page 51: ...51 SA AK240P SA AK240PC ...

Page 52: ...01 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 To CRS1 CN1 2 1 BLACK RED SENSOR Z6481 JK6551 JK6751 VOLUME VR6491 CN6601 30 2 29 1 JK5101 JK5102 E POWER P C B SOLDER SIDE LEF...

Page 53: ...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 76 MC...

Page 54: ...NALOG 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 PLLCLK...

Page 55: ...K 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 16 I...

Page 56: ...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 IC53...

Page 57: ...ence 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 which ...

Page 58: ...58 SA AK240P SA AK240PC ...

Page 59: ...315 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 1 2 3...

Page 60: ...SA AK240P SA AK240PC 60 ...

Page 61: ...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 C264...

Page 62: ...SA AK240P SA AK240PC 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: ... 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 7 8 9 10 11 12 14 16 17 18 19...

Page 66: ...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 EE_CLK NC IC2871 G...

Page 67: ...D2 VREF 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 TAP...

Page 68: ...SA AK240P SA AK240PC 68 ...

Page 69: ...950 FL2 VP FL1 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 AK240P PC TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE FP5940 7A FP5920 7A 1 2 3 5 7 4 6 16 15 14 12 ...

Page 70: ...SA AK240P SA AK240PC 70 ...

Page 71: ...313 0 015 C5319 0 015 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...

Page 72: ...4 0 C5205 0 1 R5206 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 ...

Page 73: ...08 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 C1057 ...

Page 74: ...SA AK240P SA AK240PC 74 ...

Page 75: ...18 Printed Circuit Board Note Circuit board diagrams may be modified at any time with the development of new technology SA AK240P SA AK240PC 75 ...

Page 76: ... 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 R7323 ...

Page 77: ...1 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: ... 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 W600...

Page 79: ...961 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 RL5950...

Page 80: ...01 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 C5155 C5157 C...

Page 81: ...020 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 R1013 C1018 R1...

Page 82: ...SA AK240P SA AK240PC 82 ...

Page 83: ...athode 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 B0AACK0...

Page 84: ...RF 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 I GND3 Digital Circuit 61 NSRVMONON I Servo Moto...

Page 85: ...e 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 terminal 26...

Page 86: ...RS1 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 default dem...

Page 87: ...21 Exploded Views 87 SA AK240P SA AK240PC ...

Page 88: ...88 SA AK240P SA AK240PC ...

Page 89: ...21 1 Cabinet Parts Location SA AK240P SA AK240PC 89 ...

Page 90: ...SA AK240P SA AK240PC 90 ...

Page 91: ...21 2 Deck Mechanism Parts Location RAA4502 S SA AK240P SA AK240PC 91 ...

Page 92: ...SA AK240P SA AK240PC 92 ...

Page 93: ...21 3 Packaging SA AK240P SA AK240PC 93 ...

Page 94: ...SA AK240P SA AK240PC 94 ...

Page 95: ... 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 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...

Page 96: ...1ABGC000005 TRANSISTOR M Ref No Part No Part Name Description Remarks Q2317 B1ABGC000005 TRANSISTOR M Q2341 B1ABGC000005 TRANSISTOR M 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 B1AA...

Page 97: ... SW TUNER BAND Q S6306 EVQ21405RJ SW MUSIC PORT M S6308 EVQ21405RJ SW MULTI DISC CHANGE M S7201 RSH1A048 A SW RESET M CONNECTORS Ref No Part No Part Name Description Remarks CN971 K1MN10B00104 10P FFC CONNECTOR M CN1001 K1MN14B00058 14P FFC CONNECTOR M CN2801 K1MN17AA0004 17P CONNECTOR M CN2803 K1MN14A00049 14P FFC CONNECTOR M CN2805 K1MN14A00049 14P FFC CONNECTOR M CN2806 K1MN30AA0004 30P CONNECT...

Page 98: ...16W M R1016 D0GB470JA008 47 1 16W M R1017 ERJ3GEYJ822V 8 2K 1 16W M R1018 D0GB392JA007 3 9K 1 16W M R1019 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 16...

Page 99: ...0R00V 0 1 16W M R2602 D0GB472JA041 4 7K 1 16W M R2603 D0GB271JA007 270 1 16W M Ref No Part No Part Name Description Remarks R2604 ERJ3GEYJ102V 1K 1 16W M R2605 D0GB471JA041 470 1 16W M R2606 D0GB474JA041 470K 1 16W M R2607 D0GB331JA007 330 1 16W M 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 16...

Page 100: ...041 22K 1 16W M R2959 ERJ3GEYJ102V 1K 1 16W M R2960 D0GB223JA041 22K 1 16W M R2965 D0GB472JA041 4 7K 1 16W M Ref No Part No Part Name Description Remarks R2966 D0GB472JA041 4 7K 1 16W M R5101 ERJ3GEYJ103V 10K 1 16W M R5103 D0C1103JA020 10K 1W M R5105 ERJ3GEYJ103V 10K 1 16W M R5106 D0GB223JA041 22K 1 16W M R5107 D0GB561JA007 560 1 16W M R5108 D0GB470JA008 47 1 16W M R5109 ERJ3GEYJ102V 1K 1 16W M R5...

Page 101: ...iption Remarks W2518 ERJ3GEY0R00V CHIP JUMPER M W2520 ERJ3GEY0R00V CHIP JUMPER M W2523 ERJ3GEY0R00V CHIP JUMPER M 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 CHI...

Page 102: ...M C2101 ECJ1VB1A105K 1 10V M C2112 ECJ1VB1C105K 1 16V M C2113 F1H1H152A219 1500P 50V M Ref No Part No Part Name Description Remarks C2114 ERJ3GEY0R00V 0 1 16W M C2121 F1H1H332A013 3300P 50V M 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 10 16V M C2154 ERJ3GEY0R00V 0 1 16W M C2161 F1H1...

Page 103: ...C2874 F1H1H331A013 330P 50V M C2882 ECJ1VC1H180J 18P 50V M C2883 ECJ1VC1H180J 18P 50V M Ref No Part No Part Name Description Remarks C2901 F1H1C104A041 0 1 16V M C2903 F1H1H103A219 0 01 50V M 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 C2...

Page 104: ...C6635 ECA1HAK2R2XB 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 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 ECJ1VB1H10...

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