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AD

U

W

Y

AA

AC

V

X

Z

AB

KRF-V4550D/V4550DE/V4550D-S

Y05-4332-70

J7

SWch

PRE OUT

E2

E3

3 Cch

2 Rch

1 Lch

J1

SPEAKER A

2 RSch

1 LSch

J2

D127

Q139

Q140

D128

Q142

D130

D1

19

D120

Q114

Q113

Q115

Q116

Q117

D121

D122

D124

Q118

Q119

Q120

Q121

Q123

Q122

PROTECTION 2

PROTECTION 1

D123

D102

Q54

D105

D103

D104

D101

-30V AVR

CN1

D111

D112

D114

D113

POWER AMP
(FL,FR,Cch)

SP.A

SW

ON/OFF

Cch/SW

SW

ON/OFF

LS/RSch

SW

ON/OFF

-12V
AVR

+12V
AVR

POWER TRANSFORMER

4/4

WH7

X14-A/6

3/4

CN5

X08-A/3

D608

D604

D601

D602

D603

CN61

CN64

WH5

S19

CN62

D605

Q601

J61

CN65

IC101

:

IC102

:

KIA7812API

IC103

:

IC104

KIA7912PI

:

IC105

NJM4580ED

:

IC106,109

NJU7313AM

:

NJM4565M or
NJM4565MD or
NJM4580ED or
NJM4580E

IC107,108,110-112 :

2SC2785(F,E) or

Q1,2,7,8,13,14

:

2SD2351

Q5,6,11,12,16

:

2SC2878(B)

Q17

:

2SA1576A(R,S) or

Q51-53,118,121,135 :

2SB1640

Q54,138

:

2SC1845(F,E)

Q122,123,134

:

2SB1566

Q133

:

UN5219 or

Q136

:

2SD2395

Q137

:

DTC123JUA

Q139,140,142 :

UDZ3.3B or
HZU3.3(B2)

D1

:

D5SBA20F03

D101

:

MTZJ16(B) or

D104

:

RBV-602LFA

D103

:

MTZJ15(B) or

HZS16N(B2)

HZS15N(B2) 

D105

:

MA111

D106,107,111-115,121,127,128,130

:

D108

:

D109

:

UDZ3.9B or

D122,124 :

UDZ15B or

D117-120 :

1SS133 or

D123

:

WH1 

3/4

-CN1

X08-A/3

4/4

X14-A/6

CN1

2SC1740S(Q,R)

D1

15

(X07- ) (A/3)

2SB1218A(Q,R)

2SC3906K

Q113-117,119,120,132 :

D102

S1ZB20 (4101)

:

D110

:

B LINE

B LINE

GND LINE

SIGNAL LINE

HSS104A

D601
D602-605

Q601

: S1ZB20(4101)

1SS133 or

:

:

IC602

BA05T

:

(X07- ) (C/3)

2SC1740S(Q,R) or
2SC2785(F,E)

STK412-010A
STK413-010A

RB721Q

:

D608

UDZ10B or

HZU15(B2)

HZU3.9(B2)

HSS104A

HZU10(B2)

UDZ11B

UDZ5.6B

DTC113ZUA

IC102

IC104

IC103

B

C

IC602

(X07- ) (C/3)

(X09- ) (F/6)

D

E

(X07-3142-71) (A/3)

KRF-V4550D/E/-S (2/4)

58.4V

-58.4V

-56.8V

37.0V

-37.0V

-29.7V

-30.2V

18.3V

-19.2V

11.8V

-11.8V

-53.0V

52.7V

58.4V

-58.4V

52.7V

-53.0V

11.6V

0V

11.6V

11.6V

11.6V

0V

18.3V

5.4V

10.7V

8.0V

STANDBY

: 5.4V

330

R277

R276

C224

220P

220K

RS OUT

11

LS IN

+PRE

-PRE

13

12

14

17

BIAS

NF/CH1

16

NF/CH2

RS IN

18

15

+VH

1

+REF

+VL

2

3

4

16

10

-VH

7

-VL

-REF

5

6

-RE/CH1

FL

 OUT

SUB

8

9

13

-PRE

FR OUT

-RE/CH2

11

12

NF/CH1

FL

 IN

+PRE

14

15

FR IN

NF/CH2

BIAS

17

18

-RE/CH3

NF/CH3

C IN

C OUT

20

22

21

19

1

2

3

4

5

6

GND

F.B RE.

REAR RE.

F.OFF2

F.A RE.

CENTER RE.

CENTER RE.

6

1

3

5

4

2

F.B RE.

REAR RE.

F.OFF2

F.A RE.

GND

C171

4700P

C172

4700P

C217

4700P

C201

4700P

C200

4700P

K1

150

R342

1W

K2

R343

150

1W

K4

R344

150

1W

6

5

3

15

11

9

10

8

3

6

5

12

R190

4.7

R346

3uH

L102

0.1

C168

0.1

C170

3uH

L101

12

R189

0.1

C169

0.1

C167

4.7

R345

2W

2W

1/4W

1/4W

R263

12

2W

0.1

C215

C216

0.1

3uH

L105

4.7 1W

R349

R347

4.7 2W

C197

0.1

C195

0.1

3uH

L103

R235

2W

12

C198

0.1

0.1

C196

R236

12

2W

3uH

R348

4.7

L104

1/4W

R192 390 2W

R191 390 2W

1

R283

33K

R244

33K

R243

R227 0.22

R230 0.22

R229 0.22

R228 0.22

R232 56K

R231 56K

C189 22P

1K

R209

C190 22P

1K

R210

R280 33K

R261 56K

C212 22P

R278

1K

R259 0.22 2W

R260 0.22 2W

R350

1

2W

2W

2W

2W

R305 3.9K 1W

R306 3.9K 1W

R182 0.22

2W

R200

33K

C163 1000P

R175

C166 100u10

+

C164 1000P

C165 100u10

+

C158 1000P

C157 1000P

R179 1K

R180 1K

R176

R177

R178

R188

R187

2.2u50

C155

+

2.2u50

C156

+

56K

56K

100K

100K

33K 1/4w

R203

R204

470

R205

470

R206

C161 22P

C162 22P

R207 1K

R185 56K

R208 1K

R186 56K

R248

C188

2200P

R246

30K

R247

2200P

C187

30K

R245

R249

470

470

R250

C213 1000P

C210 1000P

R234

C194 100u10

+

C191 1000P

C192 1000P

R233

C193 100u10

+

R262

C214 100u10

+

R258 1K

R226 1K

R225 1K

C185 1000P

C186 1000P

R222 100K

R221 100K

R256 100K

R223 56K

R224 56K

R257 56K

2.2u50

+

C209

C183 2.2u50

+

C184 2.2u50

+

1 1/4W

R285

1 1/4W

R399

C21

1 2200P

R267 30K

R268 1

1

K

100u63

C256

+

100u100

C254

+

100u100

C253

+

100u63

C255

+

470

R269

3.3K

R331

4.7u35

C261

+

15K

R330

R329 12K

220u6.3

C262

+

22K

R333

6.8K

R332

3.3K

R336

15K

R335

4.7u35

C263

+

12K

R334

1u50

C264

+

22K

R338

4

3

R340

4.7K

R339

4.7K

470u25

100u16

C238

C225

0.01

+

OUT

IN

GND

+

C226

0.01

2200u25

C237

100u16

+

GND

IN

OUT

+

3300u35

R308

27K

+

R318

+

C240 47u35

+

C239

22u50

4700u63

R302

51K

3300u35

R307

27K

+

4700u63

100 1/4W

R316

7.5K

R317

1K

R301

51K

++

R324 100K

R325 100K

R327 47K

R326 47K

47K

WH5

WH4

WH3

WH2

WH5(RSch)

WH4(LSch)

WH2(FLch)

WH3(FRch)

YEL

WHT

RED

BRN

C

R

L

RS

LS

R270

33K

SW

2

3

1

5

6

4

8

7

R398

R397

1 1/4W

1 1/4W

C603 0.01

OUT

IN

GND

3300u25

C601

+

2

3

5

4

1

R604

C602 10u50

+

C604 10u50

+

1 1/4W

R601

100K

R603

C606

R602

1/4W

R609

2

1

2

1

2

1

2

1

T1

K601

R605 2.2K

R606 22K

W

CN66

CN67

CN69

CN68

F1 8A

F2 T2.5AL

W75

POWER RE

F.OFF

+5.0V

D.GND

X08+B

: AC120V 60Hz

(K,P)

RED

BLU

VIOL

BLK

BRN

GRY

ORG

WHT

YEL

GRY

B

30V

B

12V

R328

B

+B

6.8K

R337

11

K

11

K

R279

100

R287

11

K

1

1

K

1

R315

+12V

+B

+12V

+B

+12V

+12V

B
B

+B

B

B
B

+B

+B

B

+B

B

+B

B

+B

+12V

+5V

+12V

+12V

+B

B

+B

B

+12V

150

1/4W

150K

0.1

1/4W

C236

C235

C232

C231

C234

C233

2.7K

2.7K

2.7K

2.7K

2.7K

1/4w

39 1/4W

Summary of Contents for KRF-V4550D

Page 1: ...L 90W MAX AC 230V 50Hz FM 75Ω GND AM MONITOR PLAY IN PLAY IN REC OUT AUDIO L R MD TAPE1 CD DVD PHONO GND REC OUT FRONT L CENTER SURROUND SUB WOOFER DVD 6ch INPUT R FRONT SPEAKERS CENTER SPEAKERS Knob K29 Front glass B10 3679 12 Panel A60 Knob K29 Knob K29 Knob K29 Knob K29 Knob K27 Pin jack E63 1139 05 Pin jack E63 1080 05 Miniature phone jack E11 0293 05 Power cord bushing J42 0083 05 AC power co...

Page 2: ...1C35DRA4 same function as 1C35DRA ting the Microcomputer crocomputer may malfunction unit cannot be operated ws an erroneous display if the power cord is unplugged he power is ON or due to some other external factor If ppens execute the following procedure to reset the omputer and return the unit to its normal operating on Please note that resetting the microcomputer will clear the con tents of th...

Page 3: ... 1 2 2 2 1 2 1 2 2 2 2 2 IC111 IC111 IC112 IC110 IC110 IC112 6ch INPUT DVD SUB S5 S2 DIG S4 R L MIX S3 LS RS S7 NOSUB ANA S1 REC OUT BUF IC107 ANALOG REC DIGITAL REC D102 A V R for DIR etc A V R 3 3V IC46 J75 DSP Lch Rch Cch LSch RSch SWch IC45 for DSP A V R 5V J1 J1 K1 K2 K4 LSch RSch J2 J7 IC101 or IC102 or CODEC ADC DAC AK4110 IC5 A1 J3 OPTICAL CD DVD COXIAL COXIAL DIGITAL IN AUDIO DIGITAL RECE...

Page 4: ...mum distortion TUNING LEVEL A 98 0MHz MONO 1kHz 40kHz dev 29 2dBf ANT input B MONO 98 0MHz VR1 X07 Adjust VR1 and stop at the point where ED1 TUNED goes on ECTION SELECTOR FM Adjust NO 1 and NO 2 repeatedly 70dBf ANT input DIGITAL IN OPTICAL DVD CD DVD VIDEO VIDEO 2 COAXIAL VIDEO 1 VIDEO 2 PLAY IN REC OUT SYSTEM CONTROL FRONT SPEAKERS CENTER SPEAKERS SUB WOOFER PRE OUT AC OUTLET SWITCHED TOTAL 90W...

Page 5: ...N7 J1 D103 D101 D126 D125 Q134 D105 Q2 WH2 CN2 WH4 WH5 WH3 Q1 D104 D102 Q17 D123 Q122 Q123 IC104 Q14 Q13 Q8 Q7 WH4 WH5 WH3 WH2 CN1 J6 J5 J4 J3 CN3 E2 E3 CN6 Q133 J7 PRE OUT AUDIO WOOFER SUB PLAY IN REC OUT PLAY IN REC OUT VIDEO1 VIDEO2 MONITOR MD TAPE REC OUT PLAY IN CD DVD PHONO J2 X07 3142 71 A 3 J70 1370 41 SURROUND SPEAKERS L R CENTER SPEAKER L R FRONT SPEAKERS IC113 IC101 IC102 IC114 E1 FM DE...

Page 6: ...70 1363 41 WH5 S19 X1 W41 W113 W116 W118 W110 W108 W107 W101 W115 W92 W16 W38 W14 W10 W37 W2 W63 W66 W67 W50 W13 W52 W48 W74 W82 W53 W64 W55 W60 W78 W68 W69 W83 W80 W75 W89 W120 W85 W97 W90 W98 W81 W111 W88 W102 W93 W95 W77 W76 W79 W62 W61 W54 W105 W125 W106 W103 W127 W104 W117 W124 W123 W91 W126 W46 W40 W35 W56 W27 W17 W11 W22 W7 W32 W15 W5 W3 W39 W12 W21 W6 W44 W45 W59 W57 W65 W58 W70 W71 W72 W9...

Page 7: ... 022 C85 0 022 C84 R88 56K 470P C86 3300P C88 33K R89 R20 1 C91 R79 1K R33 R34 VREF T METER B B 680 R3 12P C43 12V B B B 12V B B B B B B B B B B 12V 12V 12V 12V 12V B B 12V 12V 330P W660 C82 47u16 C7 1K R49 R15 33K C4 C36 0 01 B 3 9K 1K R36 100 R35 R37 KV1440 RF AMP 2SC2714 SVC220 or 2SC2413 FET1 2SK302 TR2 3 D1 4 TR1 D1 D2 FET1 OSC D4 TR2 D3 BUFFER OSC TR3 DISTORTION ST FM FRONT END TR1 MIX GND 7...

Page 8: ...314 47K R313 10K 10K R311 10u100 C252 10 R312 C260 220u6 3 R389 4 7K 47 R321 10K R320 68K R319 47K R387 47K R388 100u10 C259 1 4W 1 4W R390 47K R323 39K 7 6 6 5 4 7 4 7u35 C116 3 2 8 1 C105 220P R103 27K 270K R109 360 R107 47u6 3 C107 0 012 C111 470P C109 22K R111 C117 100P 3300P C113 R113 47K 100P C241 100 R116 4 7u35 C115 R105 100 R110 270K R112 22K 0 012 C112 C114 C108 47u6 3 R108 360 C110 470P...

Page 9: ...00P C201 4700P C200 4700P K1 150 R342 1W K2 R343 150 1W K4 R344 150 1W 6 5 3 15 11 9 10 8 3 6 5 12 R190 4 7 R346 3uH L102 0 1 C168 0 1 C170 3uH L101 12 R189 0 1 C169 0 1 C167 4 7 R345 2W 2W 1 4W 1 4W R263 12 2W 0 1 C215 C216 0 1 3uH L105 4 7 1W R349 R347 4 7 2W C197 0 1 C195 0 1 3uH L103 R235 2W 12 C198 0 1 0 1 C196 R236 12 2W 3uH R348 4 7 L104 1 4W R192 390 2W R191 390 2W 1 R283 33K R244 33K R243...

Page 10: ...R11 470 R7 4 7K R9 4 7K 10u50 C25 0 1 C26 1 1000P 40 39 38 37 36 34 35 AVSS AVDD VREFH VCOM P S MCKI DZFI C21 0 1 44 43 42 41 CDTI LOOP0 CSN DIF0 CCLK DIF1 CDTO LOOP1 C23 5 220 R21 11 10 6 9 8 7 27 41 40 39 1 2 4 3 2 5V 2 5V EMD0 CLKIN R521 10K C508 2 2u50 2 5V 2 5V R501 220 R502 220 R522 4 7K R523 4 7K R503 220 3 XMT958 EMWR EMOE SCDIN 2 5V 6 10K R527 10K R505 4 5 EMD1 EMD2 EMD3 DGND2 VD2 EMD4 EM...

Page 11: ...B 1K R465 0 1 C460 470u6 3 C461 0 1 C459 2 2 R454 4 7 R453 0 1 C456 1 R452 0 1 C453 0 1 C457 47u6 3 C458 0 1 C454 470u6 3 C455 1 4W 10 R455 1W 1 4W 1 4W 2200u16 C452 220P C184 2 7K R166 1 C183 0 1 C185 470 R170 1000P C187 0 1 C186 470 R171 1000P C188 7 1V 7 1V 5 4V 7 1V 7 1V 7 1V 7 1V 12V 35 32 36 33 34 31 B B 12 12 7 19 5 18 38 5 13 9 41 1 10 2 4 6 12 3 41 17 3 3V 5V 5V 5V 5V 5V 470 R402 470 R401...

Page 12: ...100 R121 100 R122 100 R123 100 R124 100 R126 C44 C21 100Kx5 CP1 100P 0 1 23 22 21 20 19 C10 0 01 560K R83 6 5 4 3 R15 R14 100K 330 R12 R13 100K 330 2 1 48 47 50 49 100Kx5 CP501 100K R164 220 45 40 41 42 43 44 R165 220 R166 220 R167 220 R168 220 R169 220 R114 100K 39 R170 220 R142 100K 38 R141 100K 37 R88 100 36 R87 100 35 33 R85 100Kx4 CP3 31 100Kx4 CP2 100 100Kx3 CP502 51 52 53 54 55 56 57 58 59 ...

Page 13: ... B 5V B B B B B B B B B C4 10u16 2 1 Q6 9 11 C59 1 B B C31 100P 0 01 C52 B D21 D8 RESET IC D11 Q1 RESET Q2 D12 FIRST OFF S10 MEMORY DIMMER S16 AUTO S9 INPUT MODE S15 BAND S8 SET UP S14 MONITOR S7 SOUND S13 SP B S6 MODE S12 LISTEN SP A S5 SOURCE DIRECT S11 Q3 Q4 Q5 CURRENT BUFFER DIGITAL DOLBY Q9 D3 PROLOGIC Q10 D4 3 STEREO D5 Q6 Q11 WH3 CN3 J1 HEADPHONE P1 E5 WH2 CN5 S1 WH7 10G 9G 8G 7G 6G 5G 4G 3...

Page 14: ...2 J61 SWITCHED TOTAL 90W MAX S19 POWER ON OFF DOWN S 1 VOLUME CONTROL UP X08 3010 10 A 3 Ax2 A A A 1 J 1 VIDEO2 COAXIAL J61 VIDEO J75 SYSTEM CONTROL OPTICAL DIGITAL IN J 2 FRONT SURROUND SUB WOOFER CENTER DVD CD DVD DVD 6CH INPUT ED 1 S14 SET UP S15 INPUT MODE S16 B S 7 MONITOR DIMMER S 5 SPEAKERS S 6 A S 2 INPUT SELECTOR S13 SOUND S12 LISTEN MODE S11 SOURCE DIRECT S 8 BAND S17 S18 MULTI CONTROL S...

Page 15: ...ii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks 601 1A A01 3733 01 METALLIC CABINET EE1 601 1A A01 3734 01 METALLIC CABINET E2 602 1A A09 1178 08 BATTERY COVER 604 2B A46 0309 04 REAR COVER 605 2A A60 1760 11 PANEL E2 605 2A A60 1761 1...

Page 16: ...es safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C84 85 CK73FB1H223K CHIP C 0 022UF K C86 CK73FB1H471K CHIP C 470PF K C88 CK73FB1H332K CHIP C 3300PF K C91 CK73FF1C105Z CHIP C 1 0UF Z C101 102 CC73FCH1H390J CHIP C 39PF J C103 104 CE04RW1V100M ELECTRO 10UF 35WV C105 106 CC73FCH1H221J CHIP C 220PF J C107 108 CE04RW0J470M ELECTRO 47UF 6 3WV C109 110 CC...

Page 17: ...Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert 6 L Scandinavia K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks F2 F05 2525 05 FUSE SEMKO 250V T2 5AL ...

Page 18: ...Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R203 204 RK73FB2A113J CHIP R 11K J 1 10W R205 206 RK73FB2A471J CHIP R 470 J 1 10W R209 210 RK73FB2A102J CHIP R 1 0K J 1 10W R211 212 RK73FB2A273J CHIP R 27K J 1 10W R213 214 RK73FB2A182J CHIP R 1 8K J 1 10W R215 216 RK73FB2A224J CHIP R 220K J 1 10W R217 218 RK73FB2A183J CHIP R 18K ...

Page 19: ...anada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks W338 339 R92 0670 05 CHIP R 0 OHM W340 341 R92 0679 05 CHIP R 0 OHM W342 343 R92 0670 05 CHIP R 0 OHM W506 R92 0679 05 CHIP R 0 OHM W51...

Page 20: ... Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks Q202 2SB1218A Q R TRANSISTOR Q206 207 2SC4081 R S TRANSISTOR Q206 207 2SD1819A Q R TRANSISTOR Q210 211 2SD1757K TRANSISTOR Q212 2SA15...

Page 21: ...ii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks CN1 E40 8485 05 FLAT CABLE CONNECTOR CN2 E40 8484 05 FLAT CABLE CONNECTOR CN5 E40 4248 05 PIN ASSY CN5 E40 8358 05 PIN ASSY J1 E63 1080 05 PIN JACK J2 E63 1139 05 PIN JACK J61 E63 1141 05...

Page 22: ...ithout Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert L Scandinavia K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Descr...

Page 23: ...HIP R 10K J 1 10W R69 70 RK73FB2A103J CHIP R 10K J 1 10W R71 72 RK73FB2A473J CHIP R 47K J 1 10W R83 RK73FB2A564J CHIP R 560K J 1 10W R98 RK73FB2A104J CHIP R 100K J 1 10W R107 109 RK73FB2A104J CHIP R 100K J 1 10W R110 RK73FB2A1R0J CHIP R 1 J 1 10W R111 RK73FB2A101J CHIP R 100 J 1 10W R112 RK73FB2A473J CHIP R 47K J 1 10W R113 RK73FB2A101J CHIP R 100 J 1 10W R114 RK73FB2A104J CHIP R 100K J 1 10W R118...

Page 24: ...ate schematic diagrams and information on regional component variations through use of parts list section ower output during STEREO operation IEC DIN 1 kHz 0 7 4Ω 60 W 60 W e power output during SURROUND operation ONT 1kHz 0 7 T H D at 4 Ω one channel driven 80 W 80 W NTER 1kHz 0 7 T H D at 4 Ω one channel driven 80 W RROUND 1kHz 0 7 T H D at 4 Ω one channel driven 60 W 60 W rmonic distortion 0 04...

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