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Kenwood LZ-800W, Service Manual, Page: 18 / 31

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Kenwood LZ-800W Service Manual Download Page 18

AF

AG

AE

AH

AI

AJ

AK

AL

AM

AN

2

4

3

5

6

7

1

21

22

S7

S6

D200

D204

Q300

S5

S4

Q301

Q12

IC301

Q15

Q1

1

Q13

Q14

D205

Q201

IC802

IC801

IC603

IC502

Q502

D11

D12

IC153

D603

Q601 D602

Q600

IC601

Q500

IC151

D202

D203

IC201

D201

IC300

Q401

D400

Q503

Q501

Q721

D700

IC700

D501

IC501

Q700

D102

D101

IC100

D100

D703

IC701

S1

S3

S2

D150

Q150

IC150

D702

Q152

IC20

A30

W100

C104

E

C513

R518

C210

R212

R21

1

R104

R103

R106

R105

C208

C207

C224

C238

C237

C235

C236

C231

R227

R208

C220

R209 R210

C219

L200

C214

C218

C248

C213

R214

R216

C223

R215

C217

C215

C212

R213

R632

R631

R519

R630

R618

L303

C312

C31

1

R308

R31

1

L302

C310

R303

E
B

B

E

R302

1

R304

R4

R32

B

R305

8

5

4

E

B

E

C307

C31

C30

R31

C13

R12

B

B

E

B

E

E

R16

R13

R14

C12

R17

R15

C317

R320

R316

C241

C239

R228 C232

C240

R334

C316

R317

C315

R314

R319

R318

C337

R335

R336

C334

C332

C335

C336

R300

C201

C246

C247

C243

C242

C244

4

C801

3

1

4

5

C804

C209

C245

C21

1

C216

C202

C203

C802

C803

1

B

E

8

5

R800

L105

C1

18

C1

17

L301

R331

R309

R312

R306

14

1

R328

R327

R326

C321

C323

C322

C325

8

7

C517

1

16

L502

R615

O

C159

G

R10

R5

R50

C608

R617

C602

E

B

R635

R634

R600

C603

EB

5

4

3

1

R636

R616

R633

C610

R605

C601

R53

R614

C606

C607

C605

C604

R627

R628

R626

R625

R520

B

C511

R514

R516

R512

R606

R54

R52

C158

I

O

G

I

R56

O

R57

I

G

C154

C153

R51

C103

R415

C410

R218

R217

3

4

C225

1

5

C222

C226

C412

R412

8

14

E

B

R706

R701

C704

C416

C229

C221

C204

1

R222

R407

R408

8

16

9

C417

R403
R406

C406

C415

R410

R402

C405

C408

R405

R409

C407

R401

B E

R400

R404

C401

C400

C516

8

9

C514

R523

R524

R522

R521

BB

EB

E

C509

R508

R506

R507

R509

C705

R707

R708

E

B

R700

R709

C703

1

5

C710

10

6

C712

8

1

C702

C706

R505

C508

R51

1

R502

C502

7

R515

R517

R513

E

C505

R504

1

C501

C503

R503

R501

R500

R704

R714

R712

R713

C708

5

C707

4

C113

C111

C115

C109

C110

C107

C105

4

1

5

8

C102

R100

R101

R102

R711

R710

C700

R702

R703

R705

R7

R6

R8

C151

R156

E

B

O

I G

R41

1

R417

R416

C152

B

E

R150

R151

C720

R715

POWER

RESET

VOL+

VOL-

1

3

V. SEL

MODE

SCRN

R55

CN200

D300

IC30

IC800

IC200

D301

IC302

IC602

D601

CN11

D20

IC600

CN600

IC155

IC152

IC154

Q100

CN400

X35-4170-61 A/2 (J74-1083-42)

IC500

Q200

Q400

IC400

Q701

Q703

Q702

D701

J1

X35 B/2

WH1

J50

Q720

CN401

CN700

Q154

Q151

D152

L100

C506

C301

C1

14

36

C233

CP202

R230

R2

R9

R1

R226

1

54

R207

FREE

VR201

37

C314

R310

R313

R315

C609

L32

C1

R11

R3

C304

C305

C303

L300

C313

C614

C309

8

C33

1

5

4

C308

C32

C14

24

R338

R337

R333

R332

GAMEN

VR200

R229

32

2

C333

VR301

RGB AMP

VR305

36

25

1

R231

55

1

72

14

CP200

18

19

VR306

7

0

8

C327

C119

C800

CONT

13

C320

COMDC

VR302

C326

BLK

VR300

R307

C613

12

37

48

1

5

4

C319

C612

COMAC

VR303

R619

R620

CP60

C318

R322

R325

1

R321

R324

8

C518

R329

C328

C330

VR304

R330

C331

C329

C324

C515

C512

C611

R323

C520

R604

R21

C21

1

4

C20

L10

C600

C23

C22

R20

C1

16

50

X600

1

100

26

25

R610

R608

R622

R623

R611

R612

R607

R609

C500

76

75

R624

4

3

51

R613

5

1

C160

3

1

5

4

R637

C615

C155

C157

7

1

I

G
O

C161

L104

R61

R60

1

R58

R59

B

EB

20

CP20

C228

R414

R220

R219

C227

C414

L201

1

2

R419

R418

C411

R221

C230

C300

C418

C419

C302

R340

R301

C338

B

E

C404

1

11

10

C413

C402

C403

28

C507

R510

15

B

E

C716

C701

C1

12

L500

L501

1

14

C123

C122

C504

L106

C510

E

B

L701

E

B

C709

C711

C106

L103

L102

C108

L101

8

5

1

E

4

C100

1

5

L700

1

5

1

F100

20

5

C150

E B

JIG

C101

B

E

R155

C156

B

E

R154

R153

6

1

7

2

F700

C723

C409

C724

C725

C722

R413

VIDEO UNIT (X35-4170-61)

(X35-4170-61)

Ref. No.
Address

IC20

6AH

IC30

6AK

IC100

3AH

IC150

4AG

IC151

4AH

IC152

4AH

IC153

5AH

IC154

4AI

IC155

4AI

IC200

4AL

IC201

3AL

IC300

3AL

IC301

5AK

IC302

5AK

IC400

2AL

IC500

3AJ

IC501

3AJ

IC502

4AK

IC600

4AI

IC601

5AI

IC602

5AJ

IC603

5AJ

IC700

2AJ

IC701

2AI

IC800

4AK

IC801

4AK

IC802

4AL

Ref. No.
Address

Q11
6AK

Q12

6AJ

Q13

6AJ

Q14

5AJ

Q15

5AJ

Q100

3AH

Q150

4AG

Q151

3AG

Q152

3AG

Q154

3AG

Q200

3AL

Q201

4AL

Q300

5AK

Q301

5AL

Q400

3AK

Q401

2AK

Q500

4AJ

Q501

3AJ

Q502

4AJ

Q503

3AJ

Q600

5AI

Q601

5AJ

Q700

2AJ

Q701

2AJ

Q702

2AI

Q703

2AI

Q720

4AG

Q721

2AJ

PC BOARD (Foil side view)

Refer to the schematic diagram for the values of resistors and capacitors.

Summary of Contents for LZ-800W

Page 1: ...TOR SERVICE MANUAL C Screw set N99 1558 05 Metallic cabinet A01 2725 02 Mounting hardware W01 1508 05 Panel assy A64 2064 01 Magic tape H30 0051 05 Miniature phone jack E11 0626 05 Cord with plug E30 4855 05 Mounting hardware J21 3801 04 DC cord E30 4856 15 ...

Page 2: ...Q SC CON 12 5MHz RST ACC 5V PANEL AUDIO 9V SYS 5V VIDEO 5V PON 14 4V ACC BA7649F VIDEO SW IC13 IC19 IC401 IC400 IC22 IC402 IC1 IC4 IC3 Q2 Q5 Q4 Q40 MM1228XFBE VIDEO SW DECODER CHROMA UPC1830GT RGB SW MM1234XFBE IC17 IC14 18 6dB 75Ω 75Ω 6dB NJM2267Vx2 TDA8579T ISO ISO TDA8579T TDA8579T ISO IC12 IC9 IC6 IC11 IC8 TC4052BF TC4052BF to to PANEL u COM RST PST9130N u COM UPD78421 TA78 DS05F 2SD2396 F40 2...

Page 3: ...ERTER M62354FP BUFF TC74HC07AF 5 0V IC501 IC603 IC502 MM1389XFBE RGB SW CLUMP RGB 0 7Vp p 5 0V PNA4603H OPTICAL SENSOR 5 0V L P F IC20 RST IC601 PST9130NR 5 0V BOX u COM u COM W02 3235 05 A20 REMO 5 0V PANEL TOUCH SW 5V SW LED DC DC CONVERTER NJM2368V 5 0V DET ACC IC154 Q154 IC100 TC7SH04F INVERTER TC7SH08FU AND IC155 L R 300mVrms 300mVrms AUDIO POWER AMP AMP 5 0V BA7787FS 2 2Vrms IR3Y26A1 5 0V 7 ...

Page 4: ...fer Buffer Inverter 5V power supply for microprocessor Controls functions Controls reset operation Audio input isolation amplifier AV IN2 Audio output selection AV OUT Audio input isolation amplifier NAVI Audio input isolation amplifier AV IN1 Audio output selection SP OUT Video output signal selection SYNC signal R signal 75Ω 6dB amp R G B switch G signal B signal 75Ω 6dB amp Video output signal ...

Page 5: ...ch Switch Switch Switch Drive Switch Switch VCO circuit Switch 7 5V AVR Ripple filter Drive Switch Buffer Buffer Buffer Buffer Switch Switch Switch Drive Drive Drive Switch Switch Autodimmer detection sensor Remote control output buffer Controls DC DC 5V power supply for microprocessor 5V power supply for remote control and autodimmer 8V power supply for LED 8V power supply for LED ACC detection i...

Page 6: ...clock oscillator terminal Main system clock oscillator terminal GND terminal Not used System reset input terminal Not used POWER ON input Inter processor communication slave master request ACC OFF detection Not used A D converter reference voltage output A D converter analog power supply A D converter reference voltage application AUTO DIMMER photo sensor input Touch panel X axis voltage value Tou...

Page 7: ... is NTSC fixed L L L L L H interval 0 brightest H interval 92 darkest L L L P ON H P OFF L Speaker headphone change over Headphone detection Not used Speaker suspend output Not used Speaker mute output Video mute output KENWOOD KY market sector setup TV VIDEO NAVI change Not used NT PAL change Display mode setting 1 Display mode setting 2 Display mode setting 3 Not used GND External DAC data Exter...

Page 8: ...r terminal GND terminal Not used System reset input terminal Inter panel box communication Inter panel box communication ACC detection POWER ON output Not used A D converter reference voltage output A D converter analog power supply A D converter reference voltage application Station detection output Station detection output Not used GND Tint adjustment Color adjustment Analog reference voltage in...

Page 9: ... transmitter CLK output FM transmitter ON OFF Audio system switch1 line side Audio system switch2 line side Audio system switch1 SP side Audio system switch2 SP side Not used GND Video system input switch1 Video system input switch2 Video system input switch3 Video system output switch1 Video system output switch2 NAVI TV video switch SP audio line mute Not used Power supply input Parking detectio...

Page 10: ... with one push When POWER ON Switches FM TX audio and AV output sources NORMAL TV NAV VD1 VD2 Power OFF Speaker volume UP pressing repeatedly will gradually increase volume Speaker volume DOWN pressing repeatedly will gradually decrease volume Video source switch TV NAV VD1 VD2 Speaker output mode switch NORMAL TV NAV VD1 VD2 OFF Wide mode switch FULL ZOOM JUST CINEMA NORMAL Recall termination of ...

Page 11: ...ompletion of writing to the E2PROM is followed by two beeps The occurrence of an error results in four beeps The data remains even if test mode is reentered During touch response a cursor is displayed for both NTSC and full screen When navi supporting wide mode is connected the navi screen displays the navi transmission X Y coordinates in numerals The remote control MODE key allows ON OFF switchin...

Page 12: ...nimize flicker 60Hz component Confirm there is no flickering when setting to ZOOM or CINEMA mode Item Adjustment method Adjustment value Conditions X35 Unit Adjustment Specification 1 V LEVEL adjustment VR401 Input selector AV1 Output selector TV AC range When adjusting with the X25 unit alone terminate pin 6 with 75Ω 1 Feed a stair step or ramp signal into the Video in 1 terminal 2 Observe pin 6 ...

Page 13: ...200 so that the phase difference between the fall of HSY from the timing controller IC and SYNC rise is about 2 1µSec Feed composite SYNC 10 step signal into the SYNC input 1 Adjust RGB AMP VR301 so the SYNC SYNC interval is 4 0 0 1Vp p 2 Adjust VR306 305 and 304 so GAMMA0 GAMMA2 and CONTRAST are 3 5V 0 1V 3 Adjust BLACK adjustment VR300 so the 4th step from the pedestal is 3 0V 0 1V 4 Adjust GAMM...

Page 14: ...nal Set to DC range 6 Adjust GAMMA2 VR305 so the 7th step from the pedestal is 3 1V 0 1V 7 Adjust BLACK adjustment VR300 so the 3rd step from the pedestal is maximized 8 Adjust CONTRAST adjustment VR304 so the 11th step from the pedestal is 3 7V 0 1V Adjust COMAC VR303 so that the VCOM amplitude is as shown in the diagram below Adjust COMDC VR302 so that the VCOM waveform is as shown in the diagra...

Page 15: ...135 R442 W404 R409 R413 C410 C409 R422 R424 C435 C436 C437 R414 C419 R426 C433 R440 R427 R443 R444 R225 C428 C429 R248 C160 X1 R144 L22 L23 R143 C149 C151 L28 L29 L24 L26 R145 C154 C157 L27 L30 R230 R221 R219 R220 X13 C177 R206 C236 R207 T1 C244 C243 C242 C258 R250 R249 C262 F2 C62 C65 C61 C44 C57 R237 R236 C113 C123 C126 C89 C93 C84 R96 R97 R98 C70 R106 R113 R131 C122 C129 C130 R126 R118 L10 C136...

Page 16: ...IC22 IC400 IC7 IC3 IC4 Q8 Q3 Q5 D38 Q4 Q24 CN2 IC15 D26 IC16 Q23 Q2 IC1 D3 Q40 D1 D1 X25 8630 61 J74 1103 12 CN5 Q29 Q27 IC9 CN3 CN4 VR401 IC17 IC14 IC18 CN1 Q6 E1 L14 L21 B E R413 R426 C134 R125 C141 C110 R225 L26 C154 C157 C149 L22 C151 L27 L24 L28 L29 L23 L30 DIV R143 R142 C251 R144 R145 C249 C250 C248 13 1 12 L19 R224 24 1 L2 C187 C186 C182 C142 L20 C98 R133 L18 R130 RF AGC CF2 X8 X6 X7 CF1 B ...

Page 17: ...D203 D200 D202 IC301 Q721 Q700 S6 D702 D700 D603 D602 D703 IC801 IC802 IC701 IC151 C305 L103 C14 C101 C510 C504 C500 C300 C333 C20 C614 C520 C114 C116 C411 C402 C309 C403 C150 R418 C32 C609 C108 C611 C106 C600 C23 C112 C100 C329 C330 C328 C228 C800 C161 C331 C326 C327 C122 R3 R2 R1 R9 R510 R20 R59 R58 R60 R61 R325 R324 R322 R323 R332 R330 R329 R315 R313 R321 R333 R414 R337 R338 R207 R419 R155 R153...

Page 18: ... E R150 R151 C720 R715 POWER RESET VOL VOL 1 3 V SEL MODE SCRN R55 CN200 D300 IC30 IC800 IC200 D301 IC302 IC602 D601 CN11 D20 IC600 CN600 IC155 IC152 IC154 Q100 CN400 X35 4170 61 A 2 J74 1083 42 IC500 Q200 Q400 IC400 Q701 Q703 Q702 D701 J1 X35 B 2 WH1 J50 Q720 CN401 CN700 Q154 Q151 D152 L100 C506 C301 C114 36 C233 CP202 R230 R2 R9 R1 R226 1 54 R207 FREE VR201 37 C314 R310 R313 R315 C609 L32 C1 R11...

Page 19: ...C D E F N09 4142 05 N09 4386 05 N82 2008 45 N80 3008 46 N89 3006 46 N30 3006 46 φ2 6x6 BLK φ1 7x7 φ2x8 BLK φ3x8 φ3x6 M3x6 Ex2 Ex2 E E F C C C C C C C C C B B B B B X35 4170 61 A 2 X25 8630 61 B A A Ax2 Ax2 E E Dx3 30 40 11 7 13 13 DC1 1 880 702 3 SP1 LCD1 712 706 770 31 22 21 C C C C C C 24 23 PA1 5 23 ...

Page 20: ...470 R70 R243 470 6 3 1 IN 2 INL 8 OUTL 7 VCC NL C45 10u16 SVRR INR 4 GND OUTR 5 NR DGND AGND VGND R71 R244 470 470 40 41 B G R REMO 22u6 3 C42 1000P 1000P 1K R67 2 2u50 C41 2 2u50 C43 1K R69 C256 C257 C6 C3 RST REMO RST 5 6K R43 5 6K R42 1 2 3 4 5 6 7 VCC RESET SCK SO SI TEST GND 94 37 38 39 RST ACC5V 16 RST 5V 9V V5V PRK SW ACC FM TX C19 10K R251 0 01 C262 NC IN GND OUT VCC R219 100K 100K R129 R7...

Page 21: ...C407 270P C406 2 2K R412 4 2K R421 2 2K R454 C414 0 1 2 2K R452 0 1 C438 C430 0 22 2 2K R455 2 2K R453 0 1 C439 47K R437 33K R435 15K R433 18K R436 10K R434 33K R438 500KHz R416 330 6 5 8 7 1 2 3 4 10 7 3 1 2 6 4 5 16 15 14 11 12 13 8 9 2200P C429 2200P C428 C437 0 22 C436 0 22 3 1 2 4 8 7 6 5 22K R441 0 1 47u6 3 100P C442 22K R440 47K R439 C440 C441 CK VCC D PR Q CLR Q GND 0 1 C435 C433 100P 47u6...

Page 22: ...13 100u6 3 C418 47u6 3 C414 100u6 3 C419 100 R416 100 R417 SP 1 2 SP 51 50 2 1 OFF ON 1 5 4 3 2 100K R401 C402 47u16 0 01 C400 560 R400 15 1W R413 C403 C401 0 01 100u6 3 C409 100u25 330K R800 C802 0 01 0 01 C803 C160 0 01 0 01 C156 22K R155 18K R153 36K R154 470K R156 0 01 C710 0 1 C712 1 C700 1K R703 2 2K R702 1000P C702 5 1M R706 R705 1M R709 6 2K C704 330P C703 1 L701 33uH 470 R707 C705 2200P 4...

Page 23: ... R320 22K 220K R310 10K VR300 VR301 30K 0 068 C317 10K VR302 10K VR303 30K VR304 C325 0 1 47u6 3 C324 C323 0 1 R324 2 2K R328 C319 10K R323 0 01 33K R322 33K R326 43K R327 470 R321 0 01 C326 10 C322 C321 0 1 0 01 C320 15K 0 01 C318 6 5 VSS 3 4 2 7 8 VCC 1 10K R305 2 2K R325 4 7K R304 33u25 C310 C309 0 01 10uH L300 C307 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CP OUT A VSS VCO IN A VSS RESET TEST VSS DO...

Page 24: ... 0 010UF K C401 CK73GB1H222K CHIP C 2200PF K C402 403 CK73GB0J105K CHIP C 1 0UF K C404 405 CK73GB1C104K CHIP C 0 10UF K C406 CC73GCH1H271J CHIP C 270PF J C407 CC73GCH1H391J CHIP C 390PF J C408 CK73GB1H472K CHIP C 4700PF K X25 8630 61 LZ 800W ELECTRIC UNIT X25 8630 61 1 3A A01 2725 02 METALLIC CABINET 3 3B A46 1680 01 REAR COVER PA1 1B A64 2064 01 PANEL ASSY 5 1B B43 1260 04 KENWOOD BADGE B46 0100 ...

Page 25: ...7K J 1 16W R416 RK73GB1J331J CHIP R 330 J 1 16W R417 RK73GB1J433J CHIP R 43K J 1 16W R418 RK73GB1J184J CHIP R 180K J 1 16W R419 RK73GB1J221J CHIP R 220 J 1 16W X25 8630 61 A d d N e w Des tina tion Ref No Parts No Description X25 8630 61 C409 CK73GB1H392K CHIP C 3900PF K C410 CC73GCH1H561J CHIP C 560PF J C411 CK73GB0J105K CHIP C 1 0UF K C412 CC73GCH1H561J CHIP C 560PF J C413 CE04NW1H2R2M ELECTRO 2...

Page 26: ...K73GB1H103K CHIP C 0 010UF K C152 CK73GB1C104K CHIP C 0 10UF K VIDEO UNIT X35 4170 61 A d d N e w Des tina tion Ref No Parts No Description X25 8630 61 New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohane Parts No werden nicht geliefert R420 RK73GB1J123J CHIP R 12K J 1 16W R421 RK73GB1J432J CHIP R 4 3K J 1 16W R422 RK73GB1J1...

Page 27: ... CK73GB1C104K CHIP C 0 10UF K C708 CK73GB1H103K CHIP C 0 010UF K A d d N e w Des tina tion Ref No Parts No Description X35 4170 61 New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohane Parts No werden nicht geliefert C153 CK73GB1H103K CHIP C 0 010UF K C154 CK73GB1C104K CHIP C 0 10UF K C155 156 CK73GB1H103K CHIP C 0 010UF K C1...

Page 28: ...B1J183J CHIP R 18K J 1 16W R320 RK73GB1J223J CHIP R 22K J 1 16W R321 RK73GB1J471J CHIP R 470 J 1 16W A d d N e w Des tina tion Ref No Parts No Description X35 4170 61 New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohane Parts No werden nicht geliefert C709 C93 1152 05 CERAMIC CAPACITOR TYPE 3 C710 CK73GB1H103K CHIP C 0 010UF...

Page 29: ...ionnes dans le Parts No ne sont pas fournis Teile ohane Parts No werden nicht geliefert R322 RK73GB1J333J CHIP R 33K J 1 16W R323 RK73GB1J103J CHIP R 10K J 1 16W R324 RK73GB1J153J CHIP R 15K J 1 16W R325 RK73GB1J222J CHIP R 2 2K J 1 16W R326 RK73GB1J333J CHIP R 33K J 1 16W R327 RK73GB1J433J CHIP R 43K J 1 16W R328 RK73GB1J222J CHIP R 2 2K J 1 16W R329 RK73GB1J223J CHIP R 22K J 1 16W R330 RK73GB1J2...

Page 30: ...COM IC IC601 PST9130NR ANALOGUE IC IC602 BR24C01AF W MEMORY IC IC603 M62354FP MOS IC IC700 AN8015SH ANALOGUE IC IC701 NJM2403V ANALOGUE IC IC800 TC74AC74FT MOS IC IC801 TC7WH123FU ANALOGUE IC IC802 TC7SH08FU MOS IC Q11 12 DTC124EUA DIGITAL TRANSISTOR Q13 14 DTA124EUA DIGITAL TRANSISTOR Q15 DTC124EUA DIGITAL TRANSISTOR Q100 2SC5569 TRANSISTOR Q150 DTB123YK DIGITAL TRANSISTOR Q151 2SB1124 TRANSISTOR...

Page 31: ...put Level 1V 22kΩ Video Output RCA jack 1 Video Output Level 1Vp p 75Ω Audio Output Level 500mV 1kΩ RGB Input 13P 0 7Vp p 75Ω General Operating Voltage 14 4V 11 16V Consumed Power 27W 25W during normal operations Operating Temperature Range 10 C 60 C Storage Temperature Range 30 C 85 C Size Main Unit mm 211 3 W 134 H 30 D inch 8 5 16 5 1 4 1 3 16 Hideaway Unit mm 188 W 30 H 144 8 D inch 7 3 8 1 3 ...

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