Panasonic SA-AK343P Istruzioni per l’uso

nSYSTEM

SC-

K343 (P) Music center: S

K343 (P)

Speaker: SB-

K340 (P)

(Refer to the original service manual for information of the technical

specifications.)

1 Notes 3

2 Illustration of IC's, Transistors and Diodes (Updating) 3

3 Schematic Diagram (Updating) 5

3.1. (B) Main Circuit 5

3.2. (C) Panel Circuit 10

3.3. (D) Transformer Circuit 11

rights reserved. Unauthorized copying and

distribution is a violation of law.

SA-AK343P

Colour

(S) .... Silver Type

Notes:

1. Specifications are subject to change without notice. Mass and

dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

3.4. (E) Power Circuit 12

4 Printed Circuit Board (Updating) 15

4.1. (B) Main P.C.B. 16

4.2. (C) Panel P.C.B. 17

4.3. (E) Power P.C.B. 18

5 Exploded Views (Updating) 19

CD Stereo System

Please use this manual together with the service manual for Model No. [SA-AK340P/PC-S, Order No.

MD0510381C1].

Specifications

CONTENTS

Page Page

ORDER NO. MD0602035A1

5.1. Cabinet Parts Location 20

5.2. Deck Mechanism Parts Location (RAA4502-1S) 22

5.3. Packaging 23

6 Parts Location and Replacement Parts List (Updating) 25

SA-AK343P

1 Notes

This service manual does not contain the following information, because of the reference to the original model of SA-AK340P/PC-





·



Assembling & Disassembling





·



Service Positions





·



Self-diagnosis & special mode setting





·



Terminal function of IC’s

The following sections contains information that has been changed or modified.

2 Illustration of IC's, Transistors and Diodes (Updating)

Note: With reference to page 48 (section 15) of original service manual for SA-AK340P/PC-S. Below are the updates.

B3AAA0000803

Cathode

Anode

B0BA3R900006

2SB0709AHL

B1ABGC000005

SA-AK343P

3 Schematic Diagram (Updating)

3.1. (B) Main Circuit

SA-AK343P

Note: With reference to page 61~64 (section 18.3) of original service manual for SA-AK340P/PC-S. Below is the updates.

C2703

470P

R2212

3.3K

R2112

3.3K

15 16 17 18 19 20 21 22 23

484950515253545556

934

10 33

11 32

12 31

13 30

14 29

IC2803

C1BB00001121

AUDIO SOUND PROCESSOR C0A

C2212

C2112

C2976

16V10

C2232 1

C2132 1

C2222 1

C2122 1

D2191

D2583

B0BC9R000008

R2181 470

R2183 1K C2181 1

C2182 1

C2183 0.22

C2113 6800P

C2213 6800P

PB_L

PB_R

GND

REC_IN_L

REC_IN_R

W2503

W2520

W2577

C2175 3300P

C2173 0.01

C2174 0.01

C2583

16V100

C2509

16V33 R2509

560

REC_H

MO+B

MO_GND

DECK1_H

MOTOR

C2171 0.1

C2172 0.1

C2301 0.22

C2302 0.22

R2401 15K

R2311

470

R2312

10K

R2412

10K

R2355

270K

C2442

C2342

C2312

R2455

270K

R2314

R2145

1K R2146

R2701

W2511

R2703

220K

R2413

100K

R2245

R2313

100K

C2401 0.22

C2311

C2402 0.22

C2272 0.15

C2192 0.1

R2195 10K

R2281 470

R2282 0

R2193

4.7K

R2283

100K

C2283

0.047

R2194

100K C2194

0.15

C2271 0.15

C2274 0.01

C2273 0.01

C2275

3300P C2588

0.1

C2585

220P R2585

330K

R2510

220 C2584

220P

R2512

100K

R2511

2.2K

C2511

50V2.2

R2411

470

R2414

R2246

1K D2241

B0ACCK000005

R2247

100K C2245

16V10

C2411

C241

47P

C2706

50V1

R2706

3.3K

C2412

R2586

1.2K

R2584

330K

W2546

W2526

R2587 1.2K

R2508

R2504

100

R2501

330K

R2102

3.3K

R2202

3.3K

R2503

2.7K

R2502

82K

C2507

0.22

C2503

C2501

R2507 100K

MUTE_A

ASP_DA

+15V

ASP_CLK

SW15V

A_GND

+15V

SW5V

MOT_12V

P_GND

LM_1

-9V

A_GND

HP_R

HP_L

R2203

2.2K

D2503

B0ADCC000002

REC[59]

MTR[58]

DECK_H

R2675

Q2978

B1GDCFJJ0047

REC:ON/OFF CONTROL SWITCH

Q2980

B1GDCFJJ0047

SUPPLY CONTROL SWITCH

(DECK MOTOR)

Q2501

B1ABCF000176

LEVEL METER 

CONTROL SWITCH

R2248

6.8K





R2702

Q2341,Q2441

B1ABGC000005

HEADPHONE MUTING

R2345

1.5K

R2445

1.5K

R2357

100K

R2457

100K

C2344

0.47

C2444

0.47

R2447

R2446

3.3K

R2346

3.3K

R2347

Q2511

B1GDCFJJ0047

MUTING CONTROL

Q2980

R2173 4.7K

R2172 6.8K

R2196 10K

R2273

4.7K R2271

4.7K

CN2803

MAIN CIRCUIT

SCHEMATIC DIAGRAM - 3 : +B SIGNAL

: -B SIGNAL

DECK

CIRCUIT

(CN1001) ON

SCHEMATIC

DIAGRAM-7

R2211

2.2K

C2252

R2111

2.2K

C2254

R2104 27K R2103 2.2K

R2204 27K

R2674

47K

W2553

R2673 47K

R2672 10K

R2671 10K

C2191 50V4.7

C2282 1

C2281 1

B0ACCK000005

C2121

R2122

3.3K

R2222

3.3K

R2221

R2121

3.3K

TUNER RCH

3.3K

3300PC2221 3300P

C2114

C2152

C2154

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

TRE-R

MID-R1

MID-R2

BASS-R2

T-OUT-R

R-OUT

VCC

CLK

DATA

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

W2501

R2182 0

R2704 220K

W2514

W2531

W2513

W2530

: FM/AM SIGNAL LINE : CD SIGNAL LINE

: MAIN SIGNAL LINE

: TAPE RECORD SIGNAL LINE

: TAPE PLAYBACK SIGNAL LINE

Q2142

B1ABCF000176

AGC CONTROL SWITCH

Q2311,Q2411

B1ABGC000005

MUTING SWITCH

Q2242

B1ABCF000176

AGC CONTROL SWITCH

Q2311

Q2411

Q2341

Q2441

Q2511

C2124 0

C2224 0

C2134 0

C2234 0

C2161 0.01

C2261 0.01

C2581 16V100

W2506

C2101

C2582

16V100

C2201 1

C2193 1

R2505

R2301

15K

C2195 0.47

SA-AK343P MAIN CIRCUIT

1/4

C2704

470P

SA-AK343P

C2703

470P

IC2804

C0AABB000125

IC OP AMP

D2583

B0BC9R000008

C2583

16V100

R2509

560

R2401 15K

R2311

470

R2312

10K

R2412

10K

R2355

270K

C2442

C2342

C2312

R2455

270K

R2314

R2145

1K R2146

R2705

3.3K

R2701

W2511

R2703

220K

R2413

100K

R2245

R2313

100K

01 0.22

C2311

02 0.22

C2272 0.15

71 0.15

74 0.01

73 0.01

C2588

0.1

C2585

220P R2585

330K

R2510

220 C2584

220P

R2512

100K

R2511

2.2K

C2511

50V2.2

R2411

470

R2414

R2246

1K D2241

B0ACCK000005

R2247

100K C2245

16V10

C2411

C2313

47P

C2413

47P

C2414

10P

C2314

10P

C2315

16V22

C2415

16V22

C2706

50V1

R2315

56K

R2706

3.3K

C2412

R2586

1.2K

R2584

330K

W2546

W2526

R2587 1.2K

R2508

MUTE_A

ASP_DA

+15V

ASP_CLK

SW15V

LM_1

-9V

A_GND

HP_R

HP_L

+15V

Q2317,Q2417

B1ABGC000005

MUTING SWITCH

R2248

6.8K















1234

8765

R2702

C2705

50V1

C2702

16V100

C2701

0.01

R2316

2.2K R2335

C2433

C2325

16V10

R2329

3.3K

W2510

R2331

0R2334

R2326

0R2328

15K

R2317

10K

R2356

180K

R2456

180K

R2417

10K

C2343

0.47

C2443

0.47

R2416

2.2K

C2331

4700P

C2321

R2318

100K

W2508

R2418

100K

R2333

15K

R2323

39K

R2423

39K W2512

R2435

R2429

3.3K

C2431

4700P

R2421

C2421





























HIGH_L-IN

+15V

MUTE-D-AMP

T-GND

F_HOP

CN2809

A_GND

LOW_R-IN

FAN

LOW_L-IN

ASP_GND

HIGH_R-IN

C2333

C2323

0.015

R2434

Q2341,Q2441

B1ABGC000005

HEADPHONE MUTING

R2345

1.5K

R2445

1.5K

R2357

100K

R2457

100K

C2344

0.47

C2444

0.47

R2447

R2446

3.3K

R2346

3.3K

R2347

R2451

C2425

16V10

C2943

50V2.2

R2426

R2428 15K

R2453

R2452

R2454

R2441

R2443

R2442

R2444

R2351

C2341

1000P

C2441

1000P

R2353

R2352

R2354

R2341

R2343

R2342

R2344

Q2511

B1GDCFJJ0047

MUTING CONTROL

F_HOP

R2273

4.7K R2271

4.7K

R2431

R2433

15K

R2704 220K

W2514

W2531

W2513

W2530

C2423

0.015

Q2142

B1ABCF000176

AGC CONTROL SWITCH

Q2311,Q2411

B1ABGC000005

MUTING SWITCH

Q2242

B1ABCF000176

AGC CONTROL SWITCH

Q2311

Q2411

Q2317

Q2417

Q2341

Q2441

Q2511

01

R2321

R2415

56K

SA-AK343P MAIN CIRCUIT

2/4

C2704

470P

R2149

3.3K

R2249

3.3K

SA-AK343P

W2526

0.01

C2673

100P

C2671

100P

MUTE_A

ASP_DA

+15V

ASP_CLK

SW15V

LM_1

-9V

A_GND

HP_R

HP_L

PLLCE_UP

STIDO

PLL_CLK

PLL_DA

R2675

4.7K

DET_OUT

T_GND

CD8V

R2677

120

R2902 33

Q2901

Q2902

R2901 10K

C2903 0.01

C2904 16V100

+15V

GND

IN OUT

















302928

100

232221

2019

1413

7778

80 64 63

697071

7475 51

STANDBY

FAN

MOT_12V

R2945

10K

D2946

B0ADCJ000020

C2945

16V47 C2944

100P R29

4.7

C2947

6.3V100

R2947

R2946

56K

W2572

W2571

R29

100

DCDET

PCONT/EFP/CS

EE_DAT

EE_CLK

MUTE_A

MUTE_DA

MUTE_A

IDCDET

PCONT

MUTE_D_AMP

REG1

REG2

REG3

REG4

REG5

REG6

REG7

REG8

EE_CS/EFP/EPH

LM_1

DVREF+

UP-GND

PA_LVL

PLLCE

PLLCE_UP

RDS_DA

RDS_CLK

MODE_A

F_HOP

CNVSS

IRESET

BLKCK

STIDO

ASP_DA

ASP_CLK

PLL_DA

PLL_CLK

F_HOP

BYTE

CNVSS

XC_IN

XC_OUT

/RESET

X_OUT

VSS

XIN

VCC

/NMI

RMT

BLKCK

SYNC

ST/DO

SW_LV-1

SW_LV-2

ASP_DA

ASP_CLK

10DB_ATT

PLL_DAT

PLL_CLK

/RESTSW

MCLK

MDATA

MLD

STATUS

CD_RST

H.BASS_LED

FL_CLK

FL_DOUT

FL_CS

FL_RESET

V_JOG_B

V_JOG_A

VOL_LED

SW_LED

FL_CS

FL_RESET

V_JOG_B

V_JOG_A

VOL_LED

SW_LED

VSS GND

VCC VCC

DECK1_H

REC

MTR

PLG2

PLG1

DECK1_H

REC(59)

MTR(58)

PLG2

PLG1

MODE_1

HALF_1

MODE_1

HALF_1

STAND_BY

HOME_SW /RESTSW

MCLK

MDATA

MLD

STATUS

CD_RST

H.BASS_LED

FL_CLK

FL_DOUT

HOME_SW

SPEED

CLOSE_SW

OPEN_SW

CLOSE_SW

OPEN_SW

CHG_PLR[88]

CHG_CW

CHG_CCW CHG_CCW

ST_SW

PLAY_SW

ST_SW

PLAY_SW

CHG_PLR

BOTTOM_SW

UP_SENSOR

DECK2

KEY3

KEY2

KEY1

PHOTO_2

BOTTOM_SW

UP_SENSOR

DECK2

KEY3

KEY2

KEY1

PHOTO_2

PHOTO_1

PHOTO_1 AVSS

VREF

AVCC

VREF+

VCC

UP_GND

SYS6V

UP_GND

VREF+

PCONT

D2950 B0ACCK000005

DEMO

IC2801

C2CBYY000053

MICROPROCESSOR

R2864

100

R2801

10K

W2558

W2540

R2852 100

R2853 100

R2848 100

R2847 100

R2849 1K

R2843 1K

W2557 0

R2846 4.7K

R2845 10K

R2844 10K

R2842 10K W2523 0

R2841 10K

R2820 100K

R2819 100K

R2818 100K

R2817 100K

R2830 100K

R2831 100K

R2832 100K

R2833 100K

W2547 0

W2537

W2536

W2576

W2548 0

W2549

R2810 22K

R2858 100

R2859 100

R2860 100

R2862 100

R2951

470K

R2966

4.7K

W2550

Q2951

Q2952

Q2950

Q2958,Q2960

B1ACKD000006

PLUNGER ON/OFF SWITCH

Q2957,Q2959

B1GBCFLL0037

PLUNGER ON/OFF SWITCH

Q2957

Q2958

Q2960 Q2959

R2802 100

W2545 0

W2543 0

C2821

100P

W2544



R2882

10M

W2552

R2883

330K C2883

18P R2886

1M R2881

220 C2803

C2853

0.1

R2851

47K

D2803

B0ACCK000005

Q2803

B1GBCFJJ0051



RESET (MICRO-P) SWITCH

C2882

18P

X2801

H0A327200115

X2802

H2B100500004

R2803 10K

R2861 100

R2955 270K

R2866 47K

R2865 47K

R2854 47K

R2857 47K

R2856 47K

R2855 47K

R2863

47K

R2950

470K

R2965

4.7K

R2952

SW5V

SPEED

VREF+

R2873

22K

R2871 22K

R2874 4.7K

C2871 330P

C2874 330P

W2532 0

C2872 0.022

VCC

EE_CS

EE_CLK

IC2871 GND

EE.DAT

IC2871

E-EPROM IC

(NOT SUPPLIED)

R2936

B0EAKM000117

D2936

W2559

W2560

W2555

W2556

W2539 0

R2937

10K

CN2806

Q2937

Q2936



















































+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

123456789

1011121416171819202122232425262729 2830 1315

CN2805

























CCW

P_GND

VC_8V

HOME_SW

ST-SW

OPEN_SW

CAM_SENSOR

SW5V

D_GND

PLAY_SW

PLUNGER

UD_SENSOR

BOTTOM_SW

SPEED

CHG_CCW

CHG_CW

P_GND

CD8V

HOME_SW

ST-SW

OPEN_SW

CLOSE_SW

SW5V

D_GND

PLAY_SW

UD_SENSOR

BOTTOM_SW

SPEED

1243 678911 12 13 14 1510

C2678 0.01

R2920

4.7K

W2565

W2566

R2919

4.7K

R2921

4.7K

R2922

10K

CD7.5V

PGND

MCLK

A_GND

CD_3.3V

CD_GND

LD_S

+7.5V

PGND

MCLK

MDATA

MLD

BLKCK

STAT

/RST

/REST_S

CN2801

MDATA

MLD

SW5V

BLKCK

SW5V

A_GND

R2908

330 W2542

R2907

D2901

B0ADCC000002

R2909 2.2K

R2910 330

W2563 0

C2906 

1000P

STATUS

UP_GND

CD_RST

RESTSW

MOT_12V

PLG2

C2957

100P

R2957

R2959

R2953

10K

W2525

W2517 0

W2534

R2954

10K

R2958

22K

R2960

22K

C2959

100P

R2924

10K

R2925

4.7K

R2928

10K

Q2906

B1ABCF000176

INTERFACE SWITCH

Q2907

B1ABCF000176

CD STATUS INTERFACE

Q2950

B1ACKD000006

DECK SUPPLY

CONTROL SWITCH

Q2951

B1ACKD000006

SUPPLY CONTROL SWITCH

Q2936

B1ACKD000006

CD SUPPLY

CONTROL SWITCH

Q2937

B1GBCFJJ0051

CHANGER PLUNGER

ON/OFF SWITCH

Q2952

B1GBCFLL0037

DECK SUPPLY (PCONT)

CONTROL SWITCH

PLG1

DECK2

PHOTO_1

PHOTO_2

HALF_1

MODE_1

UP_GND

PA_IN_L

PA_IN_R

DVREF+

P_GND

SW5V

R2151 0

R2251 0

R2956 270K

PL2

PL1

DVREF

DECK-2

PL_GND

VREF_GND

PHOTO_PB

MODE_PB

CN2951

HALF_PB

PHOTO_RP

CD SERVO

CIRCUIT

(CN7002) ON

SCHEMATIC

DIAGRAM-1

DECK

MECHANISM

CIRCUIT

(CN971) ON

SCHEMATIC

DIAGRAM-7

PANEL CIRCUIT (CN6601) ON

SCHEMATIC DIAGRAM-4

C2674

R2676 10K

R2912 4.7K

W2569

W2561

W2570

R2914 4.7K

R2916 4.7K

R2918 10K

R2929 10K

R2930 10K

R2931 10K

R2923 0

R2927 4.7K

R2674

47K

R2673 47K

R2672 10K

R2671 10K

R2132

3.3K

R2232

3.3K

C2131

0R2131

3.3K

R2231

3.3K

R2221

R2121

3.3K

TUNER LCH

TUNER RCH

PLL CLK

TUNER SD

TUNER GND

TUNER DQ/ST

+15V

VCC +7.5V

DET OUT

PLL_DA

PLLCE

3.3K

MAIN

CIRCUIT

(1A) ON

SCHEMATIC

DIAGRAM-2

MAIN

CIRCUIT

(1B) ON

SCHEMATIC

DIAGRAM-2

C2901

0.1

W2554 0

Q2901

B1ACKD000006

CONTROL SWITCH Q2902

B1AACF000064

VOLTAGE STABLISER CD3.3V

Q2906

Q2907

W2568 0W2567 0

C2231 0

SA-AK343P MAIN CIRCUIT

3/4

D2677

B0BC7R500001

C2854 10V220

C2940

0.1

TO CRS1 (CN1)

R2868

100K

SA-AK343P

W2526

MUTE_A

ASP_DA

+15V

ASP_CLK

SW15V

LM_1

-9V

A_GND

HP_R

HP_L

+15V



























STANDBY

MOT_12V

+15V

-VCC

SW5V

CN2808

CN2810

UP_GND

FL_GND

C2753 0.1

P_GND

CD8V

DCDET

STANDBY

MOT_12V

+15V

-9V

SW5V

P_GND

CD8V

PCONT PCONT

IDCDET





FAN

+15V

MUTE-D-AMP

T_GND

F_HOP

GND

IN OUT

















302928

232221

2019

64 63 51

STANDBY

FAN

MOT_12V

R2945

10K

D2946

B0ADCJ000020

C2945

16V47 C2944

100P R2944

4.7K

Q2943

R2942

5.6K R2941

10K C2941

16V33

C2947

6.3V100

R2947

27 W2573

R2946

56K

W2572

W2571

R2943

10K

Q2948

Q2949

R2949

47K

C2948

10V220

R2939

47K

R2948

100

DCDET

PCONT/EFP/CS

EE_DAT

EE_CLK

MUTE_A

MUTE_DA

MUTE_A

IDCDET

PCONT

MUTE_D_AMP

REG1

REG2

REG3

REG4

REG5

REG6

REG7

REG8

EE_CS/EFP/EPH

BLKCK

STIDO

ASP_DA

ASP_CLK

PLL_DA

PLL_CLK

VREF+

SYS6V

P_GND

VREF+

CD7.5V

SW5V

R2894

47K W2535

W2518

+15V

IDCDET

D2813

B0ACCK000005

D2811

B0ADCJ000020

IDCDET

/NMI

RMT

BLKCK

SYNC

ST/DO

SW_LV-1

SW_LV-2

ASP_DA

ASP_CLK

10DB_ATT

PLL_DAT

PLL_CLK

VSS

GND

VCC VCC

DECK1_H

REC

MTR

PLG2

PLG1

DECK1_H

REC(59)

MTR(58)

PLG2

PLG1

MODE_1

HALF_1

MODE_1

HALF_1

STAND_BY

00053

ESSOR

W2557 0

R2846 4.7K

R2845 10K

R2844 10K

R2842 10K W2523 0

R2841 10K

R2820 100K

R2819 100K

R2818 100K

R2817 100K

R2830 100K

R2831 100K

R2832 100K

R2833 100K

W2547 0

W2537

W2536

W2576

W2548 0

W2549

R2810 22K

R2802 100

2821

00P R2882

10M

W2552

R2883

330K C2883

18P R2886

1M R2881

220 C2803

C2853

0.1

R2851

47K

C2940

0.1

R2940

820K

D2803

B0ACCK000005 D2801

B0ACCK000005

C2802

50V3.3

Q2803

B1GBCFJJ0051

RESET (MICRO-P) SWITCH

Q2942

B1ACKD000006

FAN MOTOR ON/OFF SWITCH

Q2943

B1ABCF000176

FAN SUPPLY

CONTROL SWITCH

Q2948,Q2949

B1ABCF000176

DC DETECT SWITCH

C2882

18P

X2801

H0A327200115

X2802

H2B100500004

R2803 10K

VREF+

R2873

22K

R2871 22K

R2874 4.7K

C2871 330P

C2874 330P

W2532 0

C2872 0.022

VCC

EE_CS

EE_CLK

IC2871 GND

EE.DAT

IC2871

E-EPROM IC

(NOT SUPPLIED)

2936

1K W2556

W2539 0

R2937

10K

CN2806



















































+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

123456789

1011121416171819202122232425262729 2830 1315

PANEL CIRCUIT (CN6601) ON

SCHEMATIC DIAGRAM-4

SA-AK343P MAIN CIRCUIT

4/4

C2854 10V220

C2940

0.1

W2575 0

SA-AK343P

3.2. (C) Panel Circuit

Note: With reference to page 65 (section 18.4) of original service manual for SA-AK340P/PC-S. Below is the updates.

W6502

12 13 14 15 16 17 18 19 20

363738394041424344

10 24

11 23

OSC

DIN

CLK

STB

G10

G11

G12/S17

VEE

S16

S15

S14

S13

S12

S11

S10

VSS

VDD

VSS

VDD

C6636 100P

C6604 100P

C6603 100P

C6601 100P

R6605 82K

R6604 220

W6504

0W6503 0

W6505 0

R6603 220

R6601 470

IC6601

C0HBB0000057

FL DRIVER

C6623 50V22

FL6602

A2BD00000138

FL_DOUT

FL_CLK

FL_CS

GR1

GR2

GR3

GR4

GR5

GR6

GR7

GR8

GR9

GR1

GR2

GR3

GR4

GR5

GR6

GR7

GR8

GR9

GR10

GR11

GR12

GR10

GR11

GR12

SG16

SG15

SG14

SG13

SG12

SG11

SG10

SG16

SG15

SG14

SG13

SG12

SG11

SG10

SG9

SG8

SG7

SG6

SG5

SG4

SG3

SG2

SG1 R6631

SYS6V

KEY3

R6632

D6635

B0BC5R600003

D6458

B3AAA0000803

S6301

R6458

4.7K

R6399

10K

R6199

10K

H6555/W6555

C6635

50V2.2 GND2

FL2

-VP

FL1

SYS6V

PCONT

SYNC

DGND

C6632

50V22

C6631

50V22

SG1

SG2

SG3

SG4

SG5

SG6

SG7

SG8

SG9

SYS6V

PCONT

SYNC

VREF+

RMT

P_GND

KEY1

KEY2

KEY3

FL_CLK

FL_DOUT

FL_CS

VJOG_B

VJOG_A

VOL_LED

SW_LED

MOT10V

PA_IN_R

PA_IN_GND W6501 0

PA_IN_L

SW5V

GND2

HP_R

HP_GND

HP_L

SYS6V

PCONT

SYNC

VREF+

RMT

P_GND

KEY1

KEY2

KEY3

H.BASS_LED

FL_CLK

FL_DOUT

FL_CS

FL_RST

VJOG_B

VJOG_A

VOL_LED

SW_LED

MOT10V

PA_IN_R

PA_IN_GND

PA_IN_L

SW_5V

D_GND

HP_R

HP_GND

HP_L

+15V

GND2

VREF+

HP_SW

GND2

KEY3

KEY1

R6102

GND2

SYNC

PCONT

SYS6V

12345678 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

1234568

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

S6303

STOP

S6304

REC

S6305

TUNER/

BAND

S6306

MUSIC P.

S6308

MULTI

DISC

CHANGE

R6302

R6303

2.2K

R6304

1.8K

R6305

2.2K

R6306

2.7K

R6307

4.7K

R6308

6.8K

S6201 KEY2

VREF+

DECK2

OPEN

S6202

DISPLAY/

DEMO

S6203

DECK1/2

S6204

H.BASS

S6205

S6206

REW

S6207

DECK1

OPEN

R6202

1K R6493

10K

VJOG_B

VJOG_A

PA_SW

GND2

RMT

VREF+

C6481

50V22

R6481

HP_GND

HP_R

HP_L

HP_SW

GND2

JK6551

PHONES

C6553

0.01

SW5V

MOT_10V

R6457

390

K6104

D6462

D6457,D6462

B3ACA0000302 D6457

QR6457

B1GBCFLL0037

LED DRIVE

C6551

0.01 C6552

0.01

R6492

47K

VR6491

EVEKE2F3524B

VOLUME JOG

PANEL CIRCUIT

SA-AK343P PANEL CIRCUIT

SCHEMATIC DIAGRAM - 4

R6491

47K

R6203

2.2K

R6204

1.8K

R6205

2.2K

R6206

2.7K

C6492

100P

C6491

100P

R6207

4.7K

R6208

39K

COM B

PA_GND

PA_IN_R

PA_IN_L

PA_SW

GND2

JK6751

CN6601

MUSIC PORT INPUT

C6753

0.01

R6751

3.3K

R6753

3.3K

C6752

0.01

R6754

1.5K

R6752

1.5K

C6751

0.01





3

Z6481

B3RAB0000025

REMOTE SENSOR

: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE

MAIN

CIRCUIT

(CN2806) ON

SCHEMATIC

DIAGRAM-3

TRANSFORMER CIRCUIT (CN5951)

ON SCHEMATIC DIAGRAM-5

VOL_LED

+15V

SA-AK343P

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