Panasonic SAAK-78 Schematic

DECK1

L ch

PLAYBACK HEAD

R ch

DECK2

L ch

R/P HEAD

R ch

ERASE HEAD

SCHEMA TIC DIA GRAM-5

DECK CIRCUIT

TP6

CS1101

1

2

3

4

5

1

2

3

4

5

TP2

TP1

CS1102

TP4

ERASE CURRENT CHECK POINT

Q1179 2SC2412KT96R

SWITCHING (BEAT PROOF)

TP5

TP11

TP12

R1182

C1183

26.4V ((0V))

1

0.47

C1184

1500P

C1185

((0V))

TP3

4700P

R1102

100K

R1195

100K

330K

R1101

IC1102 BA7755A

R/P SELECT

((8.3V)) ((0V)) ((0V))

R1188

11.1V 4.9V

1K

4.7K

R1189

L1202 47

H

L1201

6 5 4

D1171

R1173

MA111TX

10K

D1174

0.7V

MA8036HTX

((0V))

Q1171 2SD1302STA

SWITCHING (REC:ON)

C1193 1000P

D

0V

((4.2V))

G

S

0V

((4.4V))

G

((4.4V))

((4.2V))

35V220

50V4.7

R1172

C1194 1000P

330

D

0V

G

S

0V

G

D

1K

R1170

0.01

C1173

680P

C1103

0.022

C1104

2 31 4 5

1 2 3

C1175

C1174

:POSITIVE VOLTAGE LINE

14.8V

R1103

15K

C1101 1000P

((0V))

Q1101 2SJ498CDTA

HEAD SELECT

((0V))

(REC:ON)

((0V))

Q1103 2SJ498CDTA

HEAD SELECT

((0V))

(PLAY:ON)

((0V))

Q1104 2SJ498CDTA

HEAD SELECT

((0V))

(PLAY:ON)

((0V))

Q1102 2SJ498CDTA

HEAD SELECT

((0V))

(REC:ON)

C1102 1000P

GNDVcc

R1104

15K

100K

R1184

((14.8V))

Q1176

R1178 1.2

Q1175

((14.8V))

0.047

C1176

Q1175,1176 2SC2002KTA

BIAS OSC

D1172

R1174

MA8047MTX

10K

100K

R1183

C1178 1000P

0.6V

((0V))

0.6V

((0V))

C1177 1000P

4.7K

R1176

0.6V

((0V))

Q1173 DTC144TKA146

BIAS OSC CONT.(CrO2)

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE

A B

C

D

E

F

0.01

C1181

0.01

C1180

0.01

C1179

5.6K

R1177

((0V)) ((4.8V)):CrO2

TP171

D1175

MA111TX

0.6V

((0V))

Q1174 2SC2412KT96R

BIAS OSC CONT. (CrO2)

0.7V

R1180

2.7K

R1179

2.7K

R1181

C1182

TP170

TP172

3.3K

50V4.7

SCHEMA TIC DIA GRAM-6

270

R1105

C

C1108

C1105

16V33

1200P

D B

((0V)) ((9.1V)) ((9.7V)) ((0V))

36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19

Vcc

IC1101 M51167AFP-TB

P .B.EQ/ REC AMP/ ALC/ TPS AMP

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18

((0V)) ((4.6V)) ((0V)) ((1V)) ((4.6V)) ((4.7V)) ((4.9V)) ((4.9V)) ((4.7V)) ((5V)) ((4.8V)) ((0V)) ((0V)) ((0V)) ((4.2V)) ((5V))

A

C1106

1200P

E

C1134

F

50V4.7

C1109

AGC OFF

C1133 50V4.7

16V100

:POSITIVE VOLTAGE LINE

14.8V

C A

50V1

C1117

2.2K

C1113

820P

C1111

R1107

B

C

A

C

B

820P

C1112

R1108

C1114

R1111

C1147

1500P

6.3V220

C1115

R1109

39

0.033

4.3K

6.8K

R1141

((1V)) ((4.6V)) ((4.7V)) ((4.9V)) ((4.7V)) ((5V)) ((4.8V)) ((0V)) ((4.7V)) ((0V)) ((9.6V))

PB

6.8K

R1142

C1116

R1110

0.033

4.3K

39

R1112

C1148

1500P

C1118

6.3V220

2.2K

50V1

D

C1119

C1124

50V4.7

C1120 50V4.7

1800P

C1123

C1121

C1122

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE

C1143

50V4.7

C1129

820P

1800P

C1127

0.01

C1125

0.047

50V1

PRE

ALC

PRE

C1126

0.047

50V1

B

C1144

50V4.7

C1128

0.01

C1130

820P

R1123

R1125

R1115

390K

REC

R1116

R1126

R1124

10K

1K

REC

390K

1K

10K

R1121

33K

C1131

820P

R1117

270K

R1118

270K

C1132

820P

Q1107 DTC144TKA146

P.B EQ/ REC EQ (CrO2/ H.SPEED)

((0V))

C1135 1000P

BCA

SW

R/ P

4.9V

R1122

C1136

1000P

((4.8V)):CrO2

((0V))

C1146 16V10

C1140 16V10

R1132 3.3M

C1141 50V0.1

Q1108 DTC144TKA146

P.B EQ/ REC EQ (CrO2/ H.SPEED)

33K

((0V))

68K

R1131

C1139 50V2.2

4.3V

17

3.3K

R1133

0.022

C1142

R1134 470K

((4.8V)):CrO2

GND

((0V))

R1146

10K

TPS

A

B C D E

SCHEMA TIC DIA GRAM-7

10K

D1173

R1139

MA111TX

Q1151,1152 DTC144TKA146

10V47

0.1V

((3.8V))

0.1V

((3.8V))

SWITCHING(PLAY:ON)

A

C1150

B

C

D

:POSITIVE VOLTAGE LINE

14.8V

R1151

C1153

C1154

C1152

1000P

16V10

1M

((2.6V))

R1152

1M

((0V))

Q1115

Q1116

((0V))

Q1115,1116 2SD2114K1V

MUTING

((8.8V))

Q1153

((2.1V))

220

R1155

220

R1156

((2.1V))

Q1154

((8.8V))

A

((0V))

Q1151

Q1152

((0V))

B

R1161

4.7K

47K

R1196

47K

R1197

R1162

4.7K

C1151

16V10

:TAPE PLAYBACK SIGNAL LINE : TAPE RECORDING SIGNAL LINE

R1153

Q1153,1154 2SC2412KT96R

MUTING

R1154

0.7V

((0V))

0.7V

((0V))

C1186

10V47

1.2K

R1158

C1162

220

16V100

C1166 16V10

R1186

1K

C1165 16V10

C

D

1.5K

R1213

R1220

4.7K

R1145

10K

C1145

16V10

IC971 0N2180RLC1

PHOTO INTERRUPTER

S973

100K

R1166

((0V))

CP1101

CS951

S951

(MODE)

SOLENOID

R1165

56K

S953

F HED

1

(ATS/CrO2)

D951

G

32 4 5 6 7 98

S952

(HALF)

MA165TA

IC951 0N2180RLC1

PHOTO INTERRUPTER

3 1

820

R952

R953

39K

24

B C

A

R973

39K

56K

R1191

24

Q1120,1121 2SC2412KT96R

INTERFACE

100K

R1190

Q1120

((0V))

S975

(F.REC.INH.)

S971

(MODE)

S974

(R.REC.INH.)

S972

(HALF)

((4.8V))((4.8V))

((0V))

47

R1192

Z971

1

2

3

4

5

6

7

4.7K

4.8V

0.1V

0.6V

0V

0.5V

0V

CP1102

1

32 4 5 6 7 98

1

32 4 5 6 7 98

CS971

D971

SOLENOID

(ATS/CrO2)

MA165TA

3 1

820

R972

Q1118,1119 2SC2412KT96R

INTERFACE

Q1119Q1121

((0V))

Q1118

47

R1167

50K

((0V))

25K

25K25K

MECHANISM (DECK2) CIRCUIT

MECHANISM (DECK1) CIRCUIT

SCHEMATIC DIAGRAM-8

2.2K

R1106

14.8V

Z1101

1 2 3 4 5 6 7

4.7K

50K

25K

4.7K

25K 25K

50K

4.7K

50K

:TAPE PLAYBACK SIGNAL LINE :TAPE RECORDING SIGNAL LINE:POSITIVE VOLTAGE LINE

50K

4.7K

B A

D C

10.4V R1144

10K

R1143

10K

TP10 TP9

H1101

1 2 3 4 5 6 7 8 9

10

M.GND MO.GND +B(5) D.GND +B(3) Rch IN Lch IN A.GND Rch OUT Lch OUT

TO MAIN (CONTROL) CIRCUIT (CN304) ON SCHEMATIC DIAGRAM-17

E D

C

A B

Q1218 DTA114EKA146

MOTOR DRIVE

4.9V ((5V))

((0V))

((5V))

Q1220

0V

DTA143XKA146

MOTOR DRIVE

((5V))

R1232

1K

((0V))

C H F E D B

((5V))

4.7K

R1230

5V

4.7K

R1234

0.1

C1202

A

1

GND

16

((5.1V))

2

Vcc

100P

C1187

((0V))

DATA

1PL

((4.5V)) ((4.5V)) ((0V)) ((5V)) ((0V))

((4.6V))((0V)) ((0V)) ((0V))

3

4

CLK

TAPE

IC1105 BU2090AF-E2

SYSTEM CONTROL

1M

2PL

Q1208 DTC114TKA146

SOLENOID DRIVE

((4.5V))

R1215 2.2K R1216 2.2K

100P

C1188

R1235

HI SP

2M

R1221

2.7

((9.2V))

5.1V

4.7K

R1236

BP1

DOLBY

REC

1H

4.3V0V

Q1206 2SB621RTA

SOLENOID DRIVE

((0V))

((9.2V))

1K

R1226

2.2K

R1233

8765

DMT

BP2

9101112131415

((10.4V))

4.9V

CN1201

1 2 3 4 5 6 7 8

+B(6) MK DATA MK CLK VREF TPS ADIN6 ADIN7 VREF+

TO PANEL CIRCUIT

-

(H602) ON SCHEMATIC DIAGRAM-13

D1202

MA111TX

D1201

MA111TX

G

((5V)) ((5V))

((4.5V))

Q1209 DTC114TKA146

SOLENOID DRIVE

R1225

2.7

((9.2V))

1K

R1227

((9.2V))

((10.4V))

((0V))

Q1207 2SB621RTA

SOLENOID DRIVE

C1201

R1206

220

16V100

10.4V

Q1203 2SD965RTA

MOTOR DRIVE

((0.7V))

((0V))

W1200

2

MOTOR

M

1

SCHEMATIC DIAGRAM-16

DPL CIRCUIT

C851 16V220 C829 16V220 C830 16V10 C831 16V10 C832 16V10

C833 16V10 C834 0.1

0.1

C835

4.5V RBPF3

C836 50V0.47 C842 50V4.7 C843 50V0.47 C844 50V4.7 C845 50V0.15 C846 50V3.3 C847 50V0.15 C848 50V0.15 C867 50V3.3 C868 50V0.15 C870 50V4.7 C875 50V0.47 C883 50V4.7 C896 50V0.47

R848

4.7K

B

R874

C897

100K

4.5V

5.2V

4.5V

5.2V

4.5V

5.2V

4.5V

5.2V

4.5V

0.1

B

A

R807

C823

560

50V10

IC804 BA4558FE2

BUFFER AMP

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65

C898

0.1

DC CUT L-R RECT DC CUT L+R RECT VCS TH VCS1 VCS2 VLR2 VLR1 VLR TH L RECT DC CUT R RECT DC-CUT L BPF3

R802

R806

47K

C822 100P

39K

4.5V

RBPF2

L BPF2

4.5V

C802

50V2.2

:POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE

4.5V

S ch DC CUT

C ch DC CUT

R ch DC CUT

R IN

L IN

C TRIM DC CUT

4.5V

C801 50V2.2

C804 50V0.47

C803 16V47

39K

R801

R808

220

C821

7.7V0V0V0V

8765

VREF

L ch DC CUT

CMODE CAP

A GND

16V47

A

RBPF1

L BPF1

4.5V

C861 50V2.2

R836 2.2K

4.5V

9.1V

Vcc

S OUT

R OUT

C OUT

IC801 LV1041M

DOLBY PRO LOGIC CONTROL

NS BPF1

NS BPF2

OSC1

CLK

0V

0.1V

4.5V

C807 680P

C806 0.047

C805 0.022

C824 16V220

4.5V

L IN

L OUT

VREF-BUFFER

DATA

ENABL

DATA

0V

A B

R835 18K

4.5V

S IN

R IN

DELAY OUT

CLK

ENABL2

DIGITAL GND

0V

5.1V

R890

560

C820 50V2.2

R892 39K

4.5V

0.7V

2V

2.6V

NR DET

C VOL IN

NR 1REF

R-MIX OUT

OSC

VDD

A/ DNSD/ A

2.5V

2.6V

5.2V

4.5V

C811 0.082

C809 16V220

R822 1K

D804

16

Q11

VDD

D C

C840

16V10

4.5V

242322212019181716151413121110987654321

L NF

R NF

L MIX OUT

C VOL OUT

C OP IN

A GND

C OP NF

C OP OUT

VOL REF

S OP OUT

S OP NF

S OP IN

S VOL OUT

OP VREF

S VOL IN

S OUT

DC CUT

414243444546474849505152535455565758596061626364

4.5V

C813 0.082

C814 50V0.47

C812 3300P

1

1M

R823

3

C869

UDZS5R1BTA

Q10

IC803 BU2090AF-E2

SYSTEM CONTROL

C841

NC

Vcc

16V33

Q9

16V10

X801

(8MHz)

:CENTER SP. DRIVE SIGNAL LINE :SURROUND SP. DRIVE SIGNAL LINE:CD-DA/V-CD(AUDIO) SIGNAL LINE

0.1

C837

L801

47

C818

16V220

25

9.1V

26

2.6V

27

4.5V

28 29

4.5V

30

3.9V

31

2.6V

32

2.7V

33

4.5V

34

4.5V

35

2.6V

36

4.5V

37

2.6V

38

4.5V

39

4.5V

40

2

0.1

C887

Q8

C817 50V22

C864 0.047

C816 16V10

C862 50V2.2

C815 50V0.33

VR AT Q7

S MUT Q6

C863

50V0.1

R868

1K

9101112131415

C MUT Q5

2.3V2.3V5.1V

IC802 BA178M09T

REGULATOR

OUT GND IN

3 2 1

H

0.01

C882

C899

16V220

C889

33P

R857

22K

R856

22K C888

33P

Q804 KRA111STA

MUTING CONT. R864

C874

6.3V100

Q803 KRA111STA

MUTING CONT.R865

1K

0.9V

C873

6.3V100

R866

2.2K

R867

2.2K

C865

16V10

C866

16V10

0.8V0.9V

0.8V

C900

16V33

A B

14.8V9.1V

A

B

1M

R863

1M

4 3 2 1

6.8K

R855

R847

4.7K

A

A B C D A B

CN801 CN802

1

GND

Lch IN

Rch IN

TO MAIN(CONTROL) CIRCUIT(CP304) ON SCHEMATIC DIAGRAM-18

Lch OUT

Rch OUT

C808

16V47

C OUT

GND

S OUT

-

7.9V

R804

C810

1K

50V10

932 4 5 6 7 8

NC

R803

220

C819

33P

R805

56K

0V0V0V

B

2.2K

R826

32 4 5 6 718

B(1)

-

+B(3)

+B(4)

GND

DATA

TO MAIN(CONTROL) CIRCUIT(CP305) ON SCHEMATIC DIAGRAM-18

R827 2.2K

NC

CLK4

CLK1

Q4

R872

Q3

220

ENABLE2

ENABLE1

8765

5V5V0V0V

R871

220

R876

R858

Q801,802 2SD2114K1V

MUTING

Q802

0V

Q801

2.2K

0.7V

R860

120

R859

120

B

A

Vss

1

R843

CLK

DATA

2

1K

A

B

R844

Q0

3

4

1K

C838

R880

50V1

1K

R878

C828

1K

50V1

14.8V

Q1

R879

R877

Q2

A

B

A B

1K

TO MAIN (TUNER)

A

CIRCUIT( )ON SCHEMATIC DIAGRAM-4

TO DECK CIRCUIT (H1101) ON SCHEMATIC DIAGRAM-8

SCHEMATIC DIAGRAM-17

MAIN(CONTROL) CIRCUIT

R409

R410

1K

R210

1K

R300 4.7K

R454 10K

47K

R401

100P

R201

100P

5.6K

R207

5.6K

C403

C203

10K

47K

R209

100P

LINE OUT

AUX

Lch OUT

Rch OUT

MO.GND

ME.GND

GND

Lch IN

Rch IN

+B(3) +B(4)

STEYE

Lch IN

Rch IN

A.GND

+B(3)

D.GND

+B(5)

Lch

Rch

Lch

Rch

B

11 10

9 8 7 6 5

SD

4

CE

3

DI

2

CL

1

DO

0.01

1000P

C300

C301

JK305

R403

R203

JK306

C401

C201

R407

CN304

10

9 8 7 6 5 4 3 2 1

47K

C444

50V3.3

C244

50V3.3

C402

C202

R408

R208

R415

R215

A B

C D E F

G

100P

10K

1.2K

R213

Q204,404 2SC2412KT96R

MUTING

Q404

Q204

4.7K

R402

4.7K

R202

220P

C404

220P

C204

R413

39K

0V

-2.1V

1K

R441

1K

R241

-2.1V

Q308 KRA102STA

MUTING CONT.

0V -2.4V

:POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :CD-DA/V-CD (AUDIO) SIGNAL LINE :FM SIGNAL LINE

14.8V

7.7V

R434

C448

2.2K

50V3.3

C319 50V1

H

I

J

K

L

M

N

R328 150K

R234

2.2K

R329

68K

C333

C248

50V3.3

0.01

1 2

0V 0V 0V

C246

47P

R245

15K

R246

C249

14.8V

10.4V

2.7K

16V10

R445

0V 0V 0V7.7V

C247 100P

15K

C446

47P

R446

2.7K

C447 100P

678 5

3 4

C332

C449

16V10

0.01

-7.9V

:AM SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE

:TAPE RECORD SIGNAL LINE

IC304 BA4558FE2

BUFFER AMP

R450

C443

120K

50V3.3

680P

C450

R447 47K

C303

0.1

47K

R250

R247

120K

C243

50V3.3

C250 680P

O

P

CD-DETACT CIRCUIT

S4

(CLAMP)

SPINDLE POSITION CIRCUIT

S5

(BOTTOM)

C A

E Ca

D1

GP1S94

(POSITION SENSOR)

Q348

LOADING MOTOR CIRCUIT

IC1 TA7291P

MOTOR DRIVE

1 2 6 7 8 9 1053 4

W2

3 2 1

W1

4 3 2 1

D

3 2 1

R1 1K

C1

D2

A

4

B

3

C

2 1

MTZJ4R7BTA

6.4V

Q1 RVTDTC143EST

MOTOR DRIVE

16V100

0V

C2

0.01

M

RM1

(LOADING

MOTOR)

0.6V8.2V8.2V0V8.2V 0V0.6V

POSITION2 DET.)

POSITION1 DET.)

(OPEN DET.)

PLUNGER

SW2

(TRAY

SW1

(TRAY

SW3

A B C D

CN1 CN306

1

14

2

13

3

12

4

11

5

10

6

9

7

8

7

9

6

10

5

11

4

12

3

13

2

14

1

2SB621ARSTA

PLUNGER DRIVE

0V

10.4V

D347

RL1N4003S-P

R488

10.4V

A B C D E F G H I J

Q349 KRC102STA

1K

PLUNGER DRIVE

R362

10K

100

R355

0V

D312

RL1N4003S-P

0.47

C351

SCHEMATIC DIAGRAM-18

:POSITIVE VOLTAGE LINE :NEGATIVE V OLT A GE LINE

14.8V

7.7V

-7.9V

5V

8.6V

10.4V

CN303

MM I/O

1

NC

2

NC

3

NC

4

NC

5

NC

6 7

NC

8

TO PANEL CIRCUIT (CP603) ON SCHEMATIC DIAGRAM-13

TO DPL CIRCUIT (CN802) ON SCHEMATIC DIAGRAM-16

TO DPL CIRCUIT (CN801) ON SCHEMATIC DIAGRAM-16

TO CD SERVO CIRCUIT(CN702) ON SCHEMATIC DIAGRAM-2

+B(4)

MIC

M.GND

SER5 SER3

MUTEA

P.CONT

LVL1

+B(3) +B(1) +B(4)

GND

DATA CLK1 CLK4

Lch OUT

Rch OUT

GND

Lch IN

Rch IN

C IN

S IN

GND

VCOF

REST SW

SUBC

/RST STAT

SBCK SUBQ SQCK

BLKCK

MLD

MDATA

MCLK

P.GND

384FS

+B(1)

IPFLAG

CLDCK

D.GND

LRDK

SRDATA

BCLK

+B(2)

DISCK

DILRCK

DIDATA ID VDD

Rch IN A.GND

Lch IN

NC

9 10 11 12

NC

13

SD

14

NC

15 16 17

NC

18 19 20

CP305

1

2

3

4

5

6

7

8

NC

CP304 1 2 3 4 5 6 7 8 9

NC

CN307 1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17

TX

18 19 20 21 22 23 24 25 26 27 28 29 30

R478

C381

C385

10K

2200P

C383 C384

6.3V100

R479

:CD-DA/V-CD(A UDIO) SIGNAL LINE :CD-DA/V-CD(A UDIO&VIDEO) SIGNAL LINE

Q R S T

U V

W X Y

A B C

R371

2.2K

C382

2200P

C336

6.3V100

10K

R480

R372

16V10 16V10

10K

2.2K

C386

R472

1000P

10K

R471

R427

10K

1.8K

Z a

b d e

f

C390

10K

R443

R482 R473 R483 R474 R475 R476 R477 R484 R400 R458 R459 R460

1.8K

R437

R429

82P

R466

R467

4.7K

R462 R4851K1K

C245

C445 50V1

1.8K

:MIC SIGNAL LINE :SURROUND SP. DRIVE SIGNAL LINE :CENTER SP. DRIVE SIGNAL LINE

TO PANEL CIRCUIT(CP602) ON SCHEMATIC DIAGRAM-15

DPC DA

+B(6)

LED9V

SPE ANA

1

CN302

F E D

G

C

3.3V

7.8V

D314

RL1N4003S-P

Q360-362,365 KRC101STA

U

W

1000P

T

V

X Y Z a b d

e

f

g h

i

C339

INTERFACE

R211 2.2K

R411

1000P

0V

(4.8V)

4.9V

2.2K

R212

0V

R464

10K

R465

10K

1K

100 1K 100 100

68

R461

1K

50V1

C338

PLL DA

PLL CE

MAIN CLK

VREF+

Q360

Q361

Q362

Q365

4.7K

MM CS

R495

MM REQ

10K

g

h

MM RST

10K

R496

R497

ST/DO

5V

8.6V

10.4V

14.8V

-7.9V

10K

R333

PLL CLK

DCDET

K L M N A B C D E F G

5.1V

5V

0V

(4.8V)

4.9V

0V

4.7K

R412

7.7V

SER4

NC

C335

470P

LVL2

D.GND

18 19171615141312111098765432 2624 2523222120

O

P

Q

R S

-VP

-31V

HP.GND

HP.Rch

HP.Lch

HP.SW

SER1

LED9V

C B A

SER5

SCHEMA TIC DIA GRAM-19

Q306 KRA102STA

MUTING CONT.

0.1V -2.4V

5.1V

8.6V

R307

R302

10K

18K

R303

10

R433 220K

W H

d P a

R

N

T

22K

R301

B L

g

J

C304 10V330 I

h K A

M

C305

1500P

C306

50V0.1

R331

Q366 KRC102STA

SWITCHING

R233 220K

10K

R305

0V

0V 0V 0V

0V

-7.8V

0V

0V 0V 0V

0V

3.3K

R308

3.3K

R309

22K

R344

C317

R341

4.7K

R310

1K

BP IN

65

VIDEO/MD

66

TUNER

67

TAPE PB

68

CD

69

EXT IN

70

PHONO/AUX

71

AVSS

72

AGND

73

PHONO/AUX

74

EXT IN

75

CD

76

TAPE PB

77

TUNER

78

VIDEO/MD

79

DEL

80

R306

1.2K

10K

:POSITIVE VOLTAGE LINE :NEGATIVE V OLT A GE LINE :CD-DA/V-CD (A UDIO) SIGNAL LINE :FM SIGNAL LINE

Q200,400 KTD1304TA

MUTING

R221

150K

50V1

R327

1K

68K

R326

R421

1K

3.1V

R304

22K

C407 50V1

0V

C207 50V1

C308

0.047

0V

62 61 60 59 58 57 56 55 54 53 52 51 50 49 486364 47 46 45 44 43 42 41

K IN2

MIC IN

K OUT2

BP OUT

TAPE REC2

R ch

L ch

K OUT1

K IN1

PS+IN

TAPE REC1

PS-IN

3 4 5 6 7 8 9 10 11 12 13 14 15 16 1721 18 19 20 21 22 23 24

0V

C307

1000P

Z O b

0V

-2.4V

Q200

-2.4V

Q400

0V

D318

1SS355TE17

10K

R455

0.18

0.068

C208

C209

IC303 M62433AFP

DIGITAL SOUND CONTROLER

0.18

0.068

C408

C409

C233

16V10

4.7K

R219

C224

50V3.3

0.039C211

0.022

C210

GRAPHIC EQUALIZER

0.022

0.039C411

C410

D316

1SS355TE17

C341

16V100

0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V

DPL2

EXT REC2

VCR REC2

DPL1

VCR REC1

EXT REC1

0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V

R220

R420

C212 0.022

0.022

C412

C433

R419

C424

100K

16V10

4.7K

50V3.3

3300PC213

3300P

C413

C225

50V3.3

C425

50V3.3

C214 2200P

2200P

C414

:AM SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE :TAPE RECORD SIGNAL LINE

IC302 M5218AP

BUFFER AMP

12K

R222

R223

0.1

C226

0.1

C426

R423

12K

R422

2700PC215

C216 1500P

2700P

1500P

C416

C415

47K

C227

47K

C427

C329

0.1

C217

VOL IN2

VOL OUT2

GEQ OUT2

BUF IN2

BUF NF2

BUF OUT2

PORT B PORT A

BUF OUT1

BUF NF1

BUF IN1

GEQ OUT1

VOL OUT1

VOL IN1

0.033

C417

C318

680P

C428

16V10

0.033

BB2

AVDD

DGND

LATCH

DATA

CLK

DVDD

BB1

C418

50V0.15

Q304 KTC3875GRTA

SWITCHING

0V

0.01

C218

50V0.15

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25

C228

16V10

-7.9V 0V 34 1

6 7 85

C429 100P

R425

3.6K

C219

50V0.15

0V 0V 0V 0V

7.7V

5V 0V 0V

5.1V 0V

0V 0V 0V 0V 0V

C419

50V0.15

0.1V

R224

R225

18K

3.6K C229

C230

100P

47P

0V 0V

2

0V0V0V

C430

47P

R424

18K

C220

1000P

C314 150P

R456 4.7K

R416

2.2K

C420

1000P

3.3K

R418

C423

50V3.3

D311

1SS355TE17

C320

C218

0.01

3.3K

C422 470P

R417

68K

-7.9V

7.7V

C223

50V3.3

R216

2.2K

C421

0.068

:MIC SIGNAL LINE

R24839R249

C232

3300P

R226

100

C237

1000P

R448

39

C432

3300P

R426

100

C437

1000P

R321

2.7

R217

68K

C222 470P

C221

0.068

R453

R452

4.7K

10K

0.1

C312

2.2K

150P

C316

R325

U VSQ

5V

10.4V

14.8V

-7.9V

7.7V

R322

270

39

C242

50V3.3

R449

39

C442

50V3.3

7.7V

D302

UDZSTE175R1B

C313 0.1

2.2K

150P

R324

C315

H I

R323 2.2K