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Panasonic SA-AKX320E Service Manual Download Page 43

43

12.5. Main (USB) Circuit

A

MAIN (USB) CIRCUIT

SCHEMATIC DIAGRAM - 4

SA-AKX320, SA-AKX520

NOTE: “ * ” : VARIATION, REFER TO PARTLIST FOR VALUE
            “ $ ” : NOT IN USED

DGND

PW_USB5V

USB_A_LED

LED_RED

USBLED_BLUE

10U

C2506

C2507

0.1U

Q2501

DSA200100L

1

ZJ0

REVX0002

USB-B

Q2500

DSA200100L

R2510

100K

QR2500

B1GBCFGN0016

R2516

$

3

1

2

4

5

C0DBZYY00716

IC2502

R2504

10K

USB_B_LED

$

R2520

$

R2514

TP2501

TP2500

PW_3R3V

PW_FL_12V

PW_5V_

PW_SYS_3R3V

R2507

*

R2506

*

0.1U

C2508

10U

C2504

DGND

FL1_CS

R2527

*

R2528

*

VOL_JOG

C12529

$

C2529

*

FL_SDO

MIC_GND

R2518

*

*

R2519

L2540

*

PW_12V

R2529

*

C2542

*

DGND

MIC_DET

G_

3

2

6

7

4

5

1

9

8

CN2503 K1KA09AA0193

MIC_IN

PW_FL_12V

KEY2

PW_SYS_3R3V

FL_GND

C2522

$

C2524

$

C2523

$

C2521

$

R2521

1

PW_5V

PW_3R3V

FL_SCLK

KEY1

REM_IN

2

3

1

5

4

*

CN2507

C2512

$

C2510

$

C2509

$

R2501

*

R2508

*

R2509

*

C2511

$

C2505

*

6

5

1

10

3

4

2

8

9

7

*

IC2500

4

3

1

2

T2502

$[J0ZZB0000182]

4

3

1

2

$[J0ZZB0000182]

T2501

G_USB_B_D-

G_

G_USB_A_D-

PW_USBA_5V

USB-A

R2505

10K

*

R2536

C2519

*

0

R2512

R2511

100K

FL_GND

FL_GND

C2513

*

*

R2531

*

R2530

*

R2533

*

R2532

C2516

*

C2514

*

C2515

*

C2518

*

R2535

*

C2517

*

R2534

*

6

5

8

9

11

12

10

14

15

13

7

2

1

4

3

17

16

CN2500

K1MY17AA0267

RED_LED

BLUE_LED

R2517

$

3

1

2

4

5

C0DBZYY00716

IC2501

QR2501

B1GBCFGN0016

PW_USBB_5V

USB_A_LED_5V

USB_B_LED_5V

PW_5V

G

G

G_USB1_D-

PW_SYS_3R3V

G_USB0_D-

USB_OVC

USB SUPPLY - MIN PATTERN WIDTH=0.5MM,600mA

DGND - MIN PATTERN WIDTH=0.5MM

PW_USB5V - MIN PATTERN WIDTH=0.5mm, 600mA

3.3V 100mA

12/16V 700mA

5V 300mA

MIC_IN shielded with MIC_GND until SOC

PW_12V

MIC_IN

MIC_GND

MIC_GND

MIC_DET

3.3V 200mA

LED_GND

FL_SDO

KEY1

REM_IN

KEY2

FL1_CS

FL_SCLK

VOL_JOG

LED_GND

MAIN-PANEL

CONNECTOR

USB WIRE CLAMPER

VIN

EN

VIN

EN

/OC

USB B HI SIDE 

SWITCH 0.5A

USB REC

LED CIRCUIT

1D-

USB-A

USB SUPPLY - MIN PATTERN WIDTH=0.5MM, 600mA

USB SUPPLY - MIN PATTERN WIDTH=0.5MM, 600mA

GND

2D-

2D+

1D+

USB-B

USB SUPPLY - MIN PATTERN WIDTH=0.5MM, 600mA

USB A

LED CIRCUIT

USB SUPPLY - MIN PATTERN WIDTH=0.5MM,600mA

VCC

/OE

D+

D-

SEL

USB MULTIPLEXER

VOUT

GND

USB A HI SIDE 

SWITCH 0.5A

USB SUPPLY - MIN PATTERN WIDTH=0.5MM, 600mA

VOUT

/OC

GND

Summary of Contents for SA-AKX320E

Page 1: ...General description about Lead Free Solder PbF 7 2 4 Handling Precautions for Traverse Unit 7 2 5 Grounding for electrostatic breakdown prevention 8 3 Service Navigation 9 3 1 Service Information 9 4...

Page 2: ...ule 33 10 Block Diagram 34 10 1 System Control 34 10 2 Audio 36 10 3 Power Supply 37 11 Wiring Connection Diagram 38 12 Schematic Diagram 39 12 1 Schematic Diagram Notes 39 12 2 Main Bluetooth and Mai...

Page 3: ...hock hazards 1 1 1 Leakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Measure the resistance value with an ohmmeter between the jumpered AC plug...

Page 4: ...e protection circuitry may have operated if either of the following conditions are noticed No sound is heard when the power is turned on Sound stops during a performance The function of this circuitry...

Page 5: ...event shock fire or other hazards Do not modify the original design without permission of manufacturer 5 5 Safety Ref No Part No Part Name Description Remarks 14 TKFA34301B REAR PANEL 320E K 320E W 14...

Page 6: ...nt to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads ele...

Page 7: ...ture at 350 30 degrees C 662 86 F Recommended Lead Free Solder Service Parts Route The following 3 types of lead free solder are available through the service parts route RFKZ03D01K 0 3mm 100g Reel RF...

Page 8: ...that use optical pick up laser diode the optical pick up is destroyed by the static electricity of the working environ ment Repair in the working environment that is grounded 2 5 1 Worktable grounding...

Page 9: ...rawing reference numbers If the circuit is changed or modified this information will be followed by supplement service manual to be filed with original service manual 3 1 1 Software Update Panasonic m...

Page 10: ...eset memory 15 stations Frequency range 522 kHz to 1629 kHz 9 kHz step 520 kHz to 1630 kHz 10 kHz step Disc section Discs played 8 cm or 12 cm CD CD R RW CD DA MP3 MPEG 1 Layer 3 MPEG 2 Layer 3 Pick u...

Page 11: ...11 5 Location of Controls and Components...

Page 12: ...mode 1 Turn on the unit 2 Select to CD mode function 3 Set volume to Vol 0 4 Press and hold and SELECT keys for 5 sec or more The display will show upon entering into this mode for 2 sec Note button i...

Page 13: ...t follow by 4 and 7 on remote control In CD mode 1 Enter into Doctor Mode 2 To exit press SLEEP button on remote control or press POWER I button on Main Unit Displaying of 1 Year Develop 2 Model Type...

Page 14: ...h 99999999 will change to 00000000 Cancellation Display Traverse Test To determine the traverse unit operation for inner outer access track The counter will increment by one When reach 99999999 will c...

Page 15: ...n unit or remote control Step 2 Press hold button follow by on main unit for 2 seconds Error Code Information System will perform a check on any unusual error code from the memory e d o m c i t s o n...

Page 16: ...n unit for next error Press on main unit for next error 4 sec Check following 1 CD Interface P C B Pin 3 4 6 2 SOC IC IC2001 Check following 1 CD Interface P C B Pin 6 3 4 2 SOC IC IC2001 Solution PCB...

Page 17: ...r 33V AKX320 Or 39V AKX520 NG Check IC1004 Measured 1 6V at pin3 Check D2 Measured 14V Or 33V Check IC1005 Measured 3 3V at pin2 6 Change SMPS PCB Change SMPS PCB Change SMPS PCB Replace IC1005 7 OK N...

Page 18: ...18 Check Point SMPS PCB Check Point Main PCB...

Page 19: ...other devices the EUT and confirm Connected The set will display 8 7227 RU 5 Bluetooth operating normally Display 8 7227 Displayed 5 OK NG Do the Cold Start AC Plug out Press and Hold Power button on...

Page 20: ...f Unit to Turn ON the Unit Go to troubleshoot for no power Use remocon to turn ON the set NG OK OK NG OK Press remocon Button FL Display VKRZ 2 Check Panel P C B IR6500 pin3 for 3 3V pin 1 for IR wave...

Page 21: ...und Select USB A or USB B selector connect USB device No TOC UHDGLQJ VKRZ 1R HYLFH OK Check voltage Pin 97 98 At SOC IC2001 on Main PCB Replaced IC2001 USB B_5V at CN2503 pin 7 USB A_5V at pin 6 refer...

Page 22: ...stence X6500 Check DSP PWM waveform existence pin 27 to 30 NG Check DAMP IC6000 PWM waveform existence Change RX2081 resistors Between SOC and DSP if Found NG Change 24MHz Crystal Oscillator X6500 Cha...

Page 23: ...und Check pin 11 of IC52 3R3V OK Check I2S lines status IC52 Pin13 at tuner section Check Tun Int pin 18 on IC52 OK 0 3V Change L51 on tuner pcb Change IC52 on Tuner PCB Change IC52 on tuner pcb Chang...

Page 24: ...s Power Button of Unit or Remote Control to Turn ON the Unit Change Traverse Unit Press Play FL GLVSOD WUDFN DQG FRXQW NG Output has sound OK OK NG OK NG Check IC2100 I2S waveform existence pin 81 83...

Page 25: ...s Avoid touching heatsinks due to its high temperature after prolong use See caution as described below During disassembly and assembly please ensure proper service tools equipments or jigs is being u...

Page 26: ...embly Flow Chart 8 3 Main Components and P C B Locations Main P C B SMPS Module Rear Panel CD Mechanism Unit CD Interface P C B Front Panel Unit Top Cabinet Panel P C B Button P C B Mic P C B For AKX5...

Page 27: ...p Cabinet 8 5 Disassembly of Front Panel Unit Refer to Disassembly of Top Cabinet Step 1 Lift up Wire Clamper For AKX520 Step 2 Detach 5P Wire at connector CN2507 on Main P C B For AKX520 Step 3 Lift...

Page 28: ...arrow shown 8 6 Disassembly of Panel P C B Refer to Disassembly of Top Cabinet Refer to Disassembly of Front Panel Unit Step 1 Remove Multi Control Knob Step 2 Remove 4 screws Step 3 Remove L Cab and...

Page 29: ...move screw Step 2 Release catches Step 3 Remove USB P C B 8 8 Disassembly of Button P C B Refer to Disassembly of Top Cabinet Refer to Disassembly of Front Panel Unit Refer to Disassembly of Panel P C...

Page 30: ...11 Disassembly of Main P C B Refer to Disassembly of Top Cabinet Refer to Disassembly of Rear Panel Step 1 Remove 2 screws Step 2 Release catch Step 3 Detach 9P Wire at connector CON2 on SMPS Module...

Page 31: ...r to Disassembly of Top Cabinet Refer to Disassembly of Rear Panel Step 1 Remove 2 screws Step 2 Release catch Step 3 Detach 9P Wire at connector CON2 on SMPS Module Step 4 Remove SMPS Module as arrow...

Page 32: ...er to Disassembly of Top Cabinet Refer to Disassembly of Rear Panel Refer to Disassembly of CD Mechanism Unit Step 1 Remove 2 screws Step 2 Desolder pins of the motor M7301 Step 3 Desolder pins of the...

Page 33: ...insulated material as shown Step 5 Attach 17P FFC at connector CN2500 on Main P C B Step 6 Attach 3P Wire at connector CN6204 on Panel P C B Step 7 Panel P C B and Main P C B can be checked as dia gr...

Page 34: ...GNAL RESET S7201 USB B USB B USB A USB A TO POWER SUPPLY PANEL P C B BUTTON P C B 11 7 P6200 CN2500 KEY2 35 PLAY PAUSE DJ6 5 13 P6200 CN2500 VOL_JOG ADIN3_VOL_JOG 37 VOL_JOG VOLUME VR6202 10 8 P6200 C...

Page 35: ...CN6901 CN2503 2 2 CN6901 CN2503 2 USB_A_D 3 USB_A_D 1 USB5V USB_B_D USB_B_D USB5V USB P C B USB PORT A PLAY JK6901 G_USB_B_D G_USB_B_D 3 3 CN6901 CN2503 4 4 CN6901 CN2503 2 3 1 USB PORT B PLAY JK6902...

Page 36: ...RIGHT LEFT 1 JK6000 2 JK6000 POWER AMPLIFIER IC6000 6 INPUT_B PWM1B 27 5 INPUT_A PWM1A 28 14 INPUT_C PWM2A 30 15 INPUT_D PWM2B 29 DOUT FM ANT JK51 FM AM RADIO RECEIVER IC52 LIN 15 RIN 16 GCGPO2 18 DCL...

Page 37: ...AC INLET SMPS MODULE PW 12V 10 PH 3 VIN 1 BOOT 7 VSENSE 5 RT CLK 2 EN 12V DC DC CONVERTER IC1002 10 PH 2 VIN 1 BOOT 7 VSENSE 5V DC DC CONVERTER IC1003 32 5V 32 5V SMPS ID SYNC QR1006 Q1008 QR1008 SWI...

Page 38: ...9P CN1002 9P CN2503 9P CN2500 17P P6200 17P CN2507 AKX520 5P MIC P C B For AKX520 CN6204 3P CN6201 3P CN6901 CN6902 2P 9P PANEL P C B BUTTON P C B CN1401 5P P5001 10P P5002 24P TO CD LOADING P C B CD...

Page 39: ...cified parts shown in the parts list Resistor Unit of resistance is OHM K 1 000 M 1 000 000 Capacitor Unit of capacitance is F unless otherwise noted F Farads pF pico Farad Coil Unit of inductance is...

Page 40: ...1000P C5012 LB5013 F F T LB5012 R5040 10U C5009 C5010 0 01U J0JHC0000045 LB5003 F F LDM LDM TRV TRV TRV LB5018 LDM LDM SPM SPM LB5020 LB5011 LB5010 LB5019 C5024 C5023 C5026 C5025 C5028 C5027 LB5006 T...

Page 41: ...RST DSP_SDA R54 R53 C64 C52 1 2 JK52 0 1U C61 DSP_SCL CK54 CK67 CK68 C62 0 1U CK59 4 G2 G1 6 2 3 1 L52 TUN_GND DGND RFGND FMI SEN RST AMI DFS DOUT VIO RCLK GND VDD SCLK SDIO NC NC FM AM FM AM RDS VUEA...

Page 42: ...JCPG000032 C1016 0 1U 0 1u 22U L1000 P_GND R1070 2 2K R1008 10K C1030 C1026 8 3 T1 4 5 6 7 9 10 2 1 ThermalPad IC1003 C0DBAYY01594 0 R1087 0 R1080 S D G Q1010 B1CHRD000092 0 R1004 0 56K R1005 56K C104...

Page 43: ...PW_USBA_5V USB A R2505 10K R2536 C2519 0 R2512 R2511 100K FL_GND FL_GND C2513 R2531 R2530 R2533 R2532 C2516 C2514 C2515 C2518 R2535 C2517 R2534 6 5 8 9 11 12 10 14 15 13 7 2 1 4 3 17 16 CN2500 K1MY17A...

Page 44: ...6 PIN95 R5095 R2015 1K CL2008 8 6 5 7 4 2 1 3 2 2K RX2004 DVDD_HV1 PIN1 CL2007 6 8 9 7 2 1 4 5 3 10 CN6001 K1MN10A00011 2 1 7 8 5 4 3 6 TZQA02BB6E IC2004 C12001 0 1U C2040 1 4 2 3 C0EBY0000664 IC2002...

Page 45: ...1 1U 3 1 2 B0ADDH000009 D6302 R6313 2 7K C16303 C16304 R6314 4 7K 47K R6316 C6303 0 1U R6317 22K R6315 2 3 1 5 4 6 Q6302 B1HFCDE00002 47U C6305 R6302 0 1U C6304 PW_SW3R3V PW_SW5V PW_STBY3R3V FL1_CS FL...

Page 46: ...5 8 9 11 12 10 14 15 13 7 2 1 4 3 17 16 K1MN17B00032 P6200 DGND C6212 R6807 1 2K EVQ21405RJ S6207 EVQ21405RJ S6206 R6206 1 8K R6208 1 8K EVQ21405RJ S6208 3 G2 G1 1 VR6202 K9AA024Y0011 R6023 RED BIG D...

Page 47: ...GND D B D A D A D B USBLED_B USBLED_A USB_B_SW5R1V USB_A_SW5R1V R1402 100 C1407 3900P R1401 6 8K C1408 4 7U 1k R1438 560 R1411 C1414 0 1U C1415 R1407 560 C1412 10U 4 7U C1404 R1435 2 2k C1456 1k R1437...

Page 48: ...6060 C6059 C6061 CK1001 CK1003 CK1004 CK1007 LB51 CK1008 CK1010 R6061 C6062 CK6002 R6062 C6063 CL2006 C6064 CL2007 CL5001 CL2008 R1078 R1080 R1079 R5071 MK7 C2001 G1003 MK9 R1082 Q2001 CK6100 C2003 MK...

Page 49: ...2076 R6066 C2077 MK2 CN1002 MK3 C1002 D1002 MK4 G1002 MK5 CK115 R2077 R6067 C6068 MK6 CN6001 C1003 D1003 D2001 MK8 CK116 R6068 R6070 R2001 C1004 Q2500 X2001 R1083 R2081 R6069 P2002 R1004 C1005 Q2501 R...

Page 50: ...K6013 CK6014 CK6015 W1 MK1 MK2 MK3 W2 W3 W4 W5 C16812 C16813 W6 C6300 R6300 C6301 D6301 W10 W7 Q6301 R6301 W11 C6302 D6302 W12 W13 W14 Q6302 R6302 W15 C6303 QR6020 QR6021 W16 QR6022 QR6023 W17 W20 W18...

Page 51: ...001 S7201 RESET TO LOADING P C B CD MECHANISM UNIT BRS12C CN7002 2 4 3 1 1 2 3 4 5 6 9 10 7 8 1 2 1 2 3 4 5 1 2 MIC P C B For AKX520 E 1 4 5 8 R1430 R1431 R1432 R1433 R1434 R1435 R1436 R1437 R1438 C14...

Page 52: ...B REF NO MODE 10 11 2 3 POWER ON 3 3 3 3 3 3 5 REF NO MODE 2 2 POWER ON 32 32 REF NO MODE 1 3 4 2 3 POWER ON 3 3 1 5 3 3 3 3 5 REF NO MODE 18 85 92 94 116 2 POWER ON 1 5 1 5 1 5 3 3 1 5 3 3 REF NO MOD...

Page 53: ...3909 IC 1 E S D IC2001 C1AB00004655 IC 1 E S D 320E K 320E W IC2001 C1AB00004409 IC 1 E S D 520E K IC2002 C0EBY0000664 IC 1 E S D IC2003 TZQA01BB6E FLASH ROM IC WITH DATA 1 E S D 320E K 320E W IC2003...

Page 54: ...Part No Part Name Description Qty Remarks Q6007 B1ABCF000176 TRANSISTOR 1 Q6300 B1ABCF000176 TRANSISTOR 1 QR1003 B1GBCFJJ0051 TRANSISTOR 1 QR1006 B1GBCFJJ0051 TRANSISTOR 1 QR1007 B1GBCFJJ0051 TRANSIS...

Page 55: ...F1G1C104A146 0 1uF 16V 1 C2508 F1G1C104A146 0 1uF 16V 1 Safety Ref No Part No Part Name Description Qty Remarks C2513 F1H1H102B047 1000pF 50V 1 520E K C2514 F1H1H102B047 1000pF 50V 1 520E K C2515 F1H1...

Page 56: ...D0GB103JA065 10K 1 10W 1 Safety Ref No Part No Part Name Description Qty Remarks R1031 D0GB224JA065 220K 1 10W 1 R1044 D0GB222JA065 2 2K 1 10W 1 R1049 D0GB103JA065 10K 1 10W 1 R1050 D0GB104JA065 100K...

Page 57: ...96 F1H1H104B047 0 1uF 50V 1 320E K 320E W Safety Ref No Part No Part Name Description Qty Remarks R5096 D0GBR00J0004 0 1 10W 1 520E K R5101 D1BB6802A074 68K 1 10W 1 520E K R5102 D0GBR00J0004 0 1 10W 1...

Page 58: ...65 1 2K 1 10W 1 R6811 D0GB151JA065 150 1 10W 1 520E K W1 D0GBR00J0004 0 1 10W 1 W3 D0GBR00J0004 0 1 10W 1 W4 D0GFR00J0005 0 1 4W 1 W5 D0GFR00J0005 0 1 4W 1 W6 D0GFR00J0005 0 1 4W 1 W7 D0GBR00J0004 0 1...

Page 59: ...K C1444 F1H1H223B047 0 022uF 50V 1 520E K C1445 F1H1H223B047 0 022uF 50V 1 520E K C1458 F1H1H104B047 0 1uF 50V 1 520E K C1459 F1H1H104B047 0 1uF 50V 1 520E K RESISTORS K1402 D0GBR00J0004 0 1 10W 1 520...

Page 60: ...10 TBXA68602 MULTI KNOB 1 320E W 10 TBXA68603 MULTI KNOB 1 520E K 11 TESD155 1 CD LID SPRING 1 12 THEC327C SCREW 16 13 THEJ073C SCREW 2 520E K 14 TKFA34301B REAR PANEL 1 320E K 320E W 14 TKFA34309 REA...

Page 61: ...RMG0968 G REAR DAMPER 2 313 VHD1224 1 SCREW 1 PACKING MATERI ALS P1 TPCE26901A PACKING CASE 1 320E K P1 TPCE27001 PACKING CASE 1 320E W P1 TPCE27701 PACKING CASE 1 520E K P2 TPDA33871 POLYFOAM TOP 1 3...

Page 62: ...Y USB P C B CN6901 JK6902 JK6901 CN6902 DP6300 CN6201 BUTTON P C B 27 27 25 23 22 21 20 19 18 17 16 FOR AKX520 ONLY 15 13 13 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 11 10 9 2 9 1 9 8 6 6 6 6 6...

Page 63: ...2 MECHANISM UNIT CN1002 CN2500 CN2503 CN2507 P5002 P5001 JK6002 JK6000 JK52 JK51 MAIN P C B SMPS MODULE 26 24 14 7 7 6 6 6 6 6 5 5 5 5 5 5 5 5 3 3 2 a f h g f d b e NOTE PART IS NOT SUPPLIED SA AKX32...

Page 64: ...313 309 1 309 310 310 308 BOTTOM VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW SIDE VIEW TOP VIEW TOP VIEW BOTTOM VIEW 307 306 305 FRONT VIEW BACK VIEW 304 SIDE...

Page 65: ...65 15 6 Packaging For SC AKX320E SB AKX220PN SA AKX320 ACCESSORIES BAG P3 P2 P1 FRONT VIEW A6 A5 A4 A3 A2 A2 A1 SC AKX320E PACKAGING DRAWING...

Page 66: ...66 15 7 Packaging For SC AKX520E MMH1902 SB AKX440PN ACCESSORIES BAG SA AKX520 A7 A6 A5 A4 P3 P2 P1 FRONT VIEW A3 A2 A2 A1 SC AKX520E PACKAGING DRAWING...

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