KENWOOD LZ800W Service Manual

KENWOOD LZ800W Service Manual
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Service Manual for KENWOOD LZ800W, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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The manual has 31 pages
File size: 7.08 MB
Available language versions: English
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Sample pages

LZ-800W

2000-7 PRINTED IN JAPAN

B51-7633-00 (4) 1694

MONITOR

SERVICE MANUAL

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)

LZ-800W

2000-7 PRINTED IN JAPAN

B51-7633-00 (4) 1694

MONITOR

SERVICE MANUAL

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)

LZ-800W

BLOCK DIAGRAM (Hideaway Unit)

SYNC

NANI

VD1

VD2

V13

-SYNC

V12

-OUT

(VIDEO)

V02

V01

COLOR

NT/P

TINT

RGB

NANI

RGB

MONIT

RGB-OUT

MONIT

SYNC

L/R

SPK/HEAD

(L/R)

PHONE

(L/R)

-OUT

AS2

A02

A01

AS1

ACC

ARK

RXD

TXD

REQ

SCDA

MCDA

BPCLK

REQ

CON

12.5MHz

RST

ACC

ANEL

AUDIO

SYS

VIDEO

PON

14.4V

ACC

BA7649F

VIDEO

IC13

IC19

IC401

IC400

IC22

IC402

IC1

IC4

IC3

Q40

MM1228XFBE

VIDEO

DECODER

CHROMA

UPC1830GT

RGB

MM1234XFBE

IC17

IC14,18

6dB

NJM2267Vx2

TDA8579T

ISO

TDA8579T

ISO

IC12

IC9

IC6

IC1

IC8

TC4052BF

ANEL

u-COM

RST

PST9130N

u-COM

UPD78421

A78

DS05F

2SD2396

F40

2SD1760

2SB1443

DELA

CLAMP

TDA4665T

-SEP

MM1

108XFBE

TC7W74F

POWER

SUPPL

LZ-800W

BLOCK DIAGRAM (Video Unit)

RST

SENSOR

SCCON

BPCLK

MCDATE

MCREQ

SCREQ

SCDATE

NT/PA

DACE

DACLK

DADO

VMUTE

OSD

RST

OSD

TRE

OSD

CLK

OSD

DIM

BEEP

SP-MUTE

.SUSPEND

SP/HP

.VOL

MDS

MDW

MDN

P.O

LEDON

VOL+

VOL-

V.SEL

MODE

SCRN

POWER

ACC

Y-D

X-DT

REMO

CONT

BLK

+13.0V

+5.3V

-16.0V

MUTE

LIN

RIN

LOUT

(280mV

rms)

(280mV

rms)

ROUT

RGB

VCOM

FRPT

FRPV

SYNC

H.FILIN

BLK

CONT

SW1

IN1

IN2

VOB

RGBI

HSY

VSY

HSY

NDSH(HSY)

CVOP

VIN

MDW

VCS

NT/P

NDSV(VSY)

MDS

MDN

OSCO

OSCI

PDO

VCOM

RGB

SPOI

CLS

CLD

SPS

SPIO

CTR

MOD1

MOD2

RGB

(0.7Vp-p)

C.SYNC

SYNC

IC600

u-COM

UPD784216GC

+5.0V

BOX

+5.0V

D-A

CONVER

TER

M62354FP

BUFF

TC74HC07AF

+5.0V

IC501

IC603

IC502

MM1389XFBE

RGB

CLUMP

RGB

(0.7Vp-p)

+5.0V

PNA4603H

OPTICAL

SENSOR

+5.0V

L.P

IC20

RST

IC601

PST9130NR

+5.0V

BOX

u-COM

W02-3235-05

A20

REMO

+5.0V

ANEL

OUCH

SW+5V

SW/LED

DC-DC

CONVER

TER

NJM2368V

+5.0V

DET

ACC

IC154

Q154

IC100

TC7SH04F

INVER

TER

TC7SH08FU

AND

IC155

(300mV

rms)

(300mV

rms)

AUDIO

POWER

AMP

+5.0V

BA7787FS

(2.2V

rms)

IR3Y26A1

+5.0V/+7.5V

RGB

(0.7Vp-p)

MUTE

D301

+5.0V

OSD

MB90096

IC500

TC74HC123AFT

IC300

+5.0V

TC7SH08FU

IC802

AND

IC801

TC7WH123FU

MONO

MUL

MONO

MUL

RGBI

(5.0Vp-p)

LZ9GJ19

IC200

CONTROL

TIMING

LCD

8inch

+5.0V

IC800

TC74AC74FT

F/F

+5.0V

IC200

(4.0Vp-p)

IC201

NJM2107F

PLL

+5.0V

NJM4580E

VCOM

DRIVER

+13V/-16V

IC301

+13.0V

-9.3V

+5.3V

-10.9V

-16.0V

AN8015SH

INVER

TER

IC700

ACC/+5.0V

CFL

IC302

IC400

TV/NAVI

JACK

(1.0Vp-p)

DELA

L.P

JACK

HEADPHONE

LZ-800W

CIRCUIT DESCRIPTION

IC1

IC3

IC4

IC6

IC8

IC9

IC11

IC12

IC13

IC14

IC17

IC18

IC19

IC22

IC24

IC400

IC401

IC402

Q11

Q12

Q13

Q14

Q15

Q16

Q17

Q18

Q40

Q404

Q405

Q408

TA78DS05F

UPD784214GC077

PST9130NR

TDA8579T-T

TC4052BF

TDA8579T-T

TC4052BF

BA7649F

NJM2267V

MM1234XFBE

NJM2267V

MM1228XFBE

UPC1830GT

TC7SH04F

TC7W74F

TDA4665T

MM1108XFFE

DTC114YUA

2SB1443

2SD2396F40

2SD1760

DTA124EUA

2SC4081

DTC124EUA

DTC323TU

DTA124EUA

DTC124EUA

2SD1760

2SA1576A

2SC4081

5V Reg

Microprocessor

RESET IC

Isolation amplifier

Multiplexer

Isolation amplifier

Multiplexer

Video signal switcher

Video amplifier

RGB SW

Video amplifier

Video signal switcher

Chroma processing

Inverter

D type flip flop

Video signal delay

Synchro sepalator IC

Switch

8V AVR

5V AVR

8V AVR

Switch

5V AVR

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 75

, 6dB amp

R/G/B switch

G signal, B signal, 75

, 6dB amp

Video output signal selection (AV OUT)

Converts VIDEO signal to RGB signals

ACC detection inversion signal

Video clamp pulse generation

PAL 1H delay

NTSC,PAL discrimination (V SYNC)

PON+14V switch

+14V switch

Power supply for TV F/E, IF circuits

Video circuit power supply

Audio circuit power supply

Parking detection

ACC detection

RESET switching

RCA audio output signal mute

RCA audio output signal selection

SP audio output signal selection

FM-TX ON/OFF

FM-TX power supply ON/OFF

SP audio output signal selection

Video switch, video buffer power supply

Video signal buffer

Blanking pulse inversion (For clamp pulse generation)

Ref. No.

Parts No.

Description

Processing Operation

Hideaway Unit (X25-8630-61)

LZ-800W

CIRCUIT DESCRIPTION

IC20

IC30

IC100

IC150

IC151

IC152

IC153

IC154

IC155

IC200

IC201

IC300

IC301

IC302

IC400

IC500

IC501

IC502

IC600

IC601

IC602

IC603

IC700

IC701

IC800

IC801

IC802

Q11

Q12

Q13

Q14

Q15

Q100

Q150

Q151

Q152

Q154

Q200

Q201

Q300

Q301

Q400

Q401

Q500

Q501

Q502

Q503

Q600

Q601

Q700

Q701

Q702

Q703

Q720

Q721

PNA4603H

TC7W34FU

NJM2368V

TA78DS05F

TA78L08F

TC7SH04F

TC7SH08FU

LZ9GJ19

NJM2107F

TC74HC123AF

NJM4580E

IR3Y26A1

BA7787FS

MB90096-174

TC74HC07AFE

MM1389XFBE

UPD784214GC076

PST9130NR

BR24C01AF-W

M62354FP

AN8015SH

NJM2403V

TC74AC74FT

TC7WH123FU

TC7SH08FU

DTC124EUA

2SC5569

DTB123YK

2SB1124

DTC114YUA

2SC4081

2SC2412K

DTC124EUA

2SC2412K

2SCC1203-FA

2SC4081

DTC124EUA

2SC4116 (Y)

2SCC1203-FA

2SC3303 (Y-LB)

DTC114YUA

DTA124EUA

Autodimmer IC

Buffer

DC-DC control IC

5V Reg

8V Reg

Inverter

AND

Timing controller IC

Operation amp

Mono-multi

Operation amp

Gamma correction IC

SP·HP AMP

OSD IC

Buffer

RGB SW

Microprocessor

RESET IC

EEPROM IC

D-A Converter

DC-DC control IC

Comparator

D flip flop IC

Mono-multi

AND IC

Switch

Drive

Switch

VCO circuit

Switch

+7.5V AVR

Ripple filter

Drive

Switch

Buffer

Switch

Drive

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

ACC detection inversion signal

MUTE control (AND of IC154 and SPMUTE)

Display(LCD) control

Controls PLL

Controls black mask

V-COM AC driver and buffer

Gamma correction

Speaker amp

Controls on-screen

R/G/B/I/HSY buffer

R/G/B switch

Controls functions

Reset control

Data storage

Inverter control

Inverter protection circuit

Screen vertical start position delay

Changes IC800 pulse width

AND

Touch panel control switch

DC-DC switching

PON +5V switch

PON +14V power supply

PON +14V switch

ACC detection

PLL oscillator

TV/NAVI changeover switch

Gamma correction for IC +7.5V power supply

Ripple filter

PON +5V power supply

PON +5V switch

I signal buffer

G signal buffer

R signal buffer

B signal buffer

RESET switching

Inverter switching

Inverter drive

IC700·IC701 switching

IC700·IC702 switching

Video Unit (X35-4170-61)

Ref. No.

Parts No.

Description

Processing Operation

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