KENWOOD LZ800W Service Manual

Cover page of KENWOOD LZ800W Service Manual

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

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LZ-800W
2000-7 PRINTED IN JAPAN
B51-7633-00 (4) 1694
MONITOR
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)
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LZ-800W
2000-7 PRINTED IN JAPAN
B51-7633-00 (4) 1694
MONITOR
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)
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2
LZ-800W
BLOCK DIAGRAM (Hideaway Unit)
SYNC
NANI
VD1
VD2
V13
V
-SYNC
V12
V1
1
A
V
-OUT
(VIDEO)
V02
V01
COLOR
NT/P
AL
TINT
RGB
SW
NANI
RGB
to
MONIT
OR
RGB-OUT
to
MONIT
OR
SYNC
A
V1
L/R
A
V2
L/R
NA
VI
L/R
SPK/HEAD
(L/R)
PHONE
(L/R)
A
V
-OUT
AS2
A02
A01
AS1
ACC
P
ARK
RXD
TXD
SC
REQ
SCDA
T
A
MCDA
T
A
BPCLK
MC
REQ
SC
CON
12.5MHz
RST
ACC
5V
P
ANEL
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
75
75
6dB
NJM2267Vx2
TDA8579T
ISO
ISO
TDA8579T
TDA8579T
ISO
IC12
IC9
IC6
IC1
1
IC8
TC4052BF
TC4052BF
to
to
P
ANEL
u-COM
RST
PST9130N
u-COM
UPD78421
T
A78
DS05F
2SD2396
F40
2SD1760
2SD1760
2SB1443
SW
1H
DELA
Y
CLAMP
TDA4665T
V
-SEP
MM1
108XFBE
TC7W74F
POWER
SUPPL
Y
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3
LZ-800W
BLOCK DIAGRAM (Video Unit)
RST
SENSOR
SCCON
BPCLK
MCDATE
MCREQ
SCREQ
SCDATE
NT/PA
L
DACE
DACLK
DADO
VMUTE
OSD
RST
OSD
TRE
OSD
CS
OSD
CLK
OSD
DO
DIM
BEEP
SP-MUTE
SP
.SUSPEND
SP/HP
SP
.VOL
MDS
MDW
MDN
P.O
N
LEDON
VOL+
VOL-
V.SEL
MODE
SCRN
POWER
ACC
Y-D
T
X-DT
X1
Y0
X0
REMO
CONT
BLK
IN
IN
+13.0V
+5.3V
-16.0V
SP
MUTE
L
R
LIN
RIN
SW
LOUT
(280mV
rms)
(280mV
rms)
ROUT
RGB
VCOM
FRPT
FRPV
SYNC
IN
SYNC
H.FILIN
BLK
CONT
SW1
IN1
IN2
VOB
RGBI
HSY
VSY
2Q
2Q
HSY
SW
NDSH(HSY)
CVOP
VIN
MDW
VCS
NT/P
AL
NDSV(VSY)
MDS
MDN
OSCO
OSCI
PDO
VCOM
RGB
SPOI
CLS
CLD
SPS
VR
SPIO
CTR
MOD1
MOD2
HR
PS
RGB
(0.7Vp-p)
C.SYNC
or
NA
VI
SYNC
IC600
u-COM
UPD784216GC
+5.0V
BOX
+5.0V
D-A
CONVER
TER
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
P
ANEL
T
OUCH
SW+5V
SW/LED
DC-DC
CONVER
TER
NJM2368V
+5.0V
DET
ACC
IC154
Q154
IC100
TC7SH04F
INVER
TER
TC7SH08FU
AND
IC155
L
R
(300mV
rms)
(300mV
rms)
AUDIO
POWER
AMP
AMP
+5.0V
BA7787FS
(2.2V
rms)
IR3Y26A1
+5.0V/+7.5V
RGB
(0.7Vp-p)
MUTE
OR
D301
+5.0V
OSD
MB90096
IC500
TC74HC123AFT
IC300
+5.0V
TC7SH08FU
IC802
AND
IC801
TC7WH123FU
MONO
MUL
TI
MONO
MUL
TI
RGBI
(5.0Vp-p)
LZ9GJ19
IC200
CONTROL
TIMING
LCD
8inch
+5.0V
IC800
TC74AC74FT
F/F
+5.0V
+5.0V
+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
IC
SP
IC400
TV/NAVI
JACK
(1.0Vp-p)
DELA
Y
L.P
.F
JACK
HEADPHONE
HEADPHONE
J1
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4
LZ-800W
CIRCUIT DESCRIPTION
IC1
IC3
IC4
IC6
IC8
IC9
IC11
IC12
IC13
IC14
IC17
IC18
IC19
IC22
IC24
IC400
IC401
IC402
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q40
Q404
Q405
Q408
TA78DS05F
UPD784214GC077
PST9130NR
TDA8579T-T
TC4052BF
TDA8579T-T
TDA8579T-T
TC4052BF
BA7649F
NJM2267V
MM1234XFBE
NJM2267V
MM1228XFBE
UPC1830GT
TC7SH04F
TC7W74F
TDA4665T
MM1108XFFE
DTC114YUA
2SB1443
2SD2396F40
2SD2396F40
2SD1760
DTA124EUA
2SC4081
DTC124EUA
DTC323TU
DTC323TU
DTA124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
2SD1760
2SA1576A
2SA1576A
2SC4081
5V Reg
Microprocessor
RESET IC
Isolation amplifier
Multiplexer
Isolation amplifier
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
Switch
8V AVR
5V AVR
8V AVR
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Switch
Switch
5V AVR
Buffer
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 mute
RCA audio output signal mute
RCA audio output signal selection
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
Video signal buffer
Blanking pulse inversion (For clamp pulse generation)
Ref. No.
Parts No.
Description
Processing Operation
Hideaway Unit (X25-8630-61)
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5
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
TA78DS05F
TA78L08F
TA78L08F
TC7SH04F
TC7SH08FU
LZ9GJ19
NJM2107F
TC74HC123AF
NJM4580E
IR3Y26A1
BA7787FS
MB90096-174
TC74HC07AFE
MM1389XFBE
UPD784214GC076
PST9130NR
BR24C01AF-W
M62354FP
AN8015SH
NJM2403V
TC74AC74FT
TC7WH123FU
TC7SH08FU
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
DTC124EUA
2SC5569
DTB123YK
2SB1124
DTC114YUA
2SC4081
2SC2412K
DTC124EUA
2SC2412K
2SC2412K
2SCC1203-FA
2SC4081
2SC4081
2SC4081
2SC4081
2SC4081
DTC124EUA
DTC124EUA
2SC4116 (Y)
2SCC1203-FA
2SC3303 (Y-LB)
2SC3303 (Y-LB)
DTC114YUA
DTA124EUA
Autodimmer IC
Buffer
DC-DC control IC
5V Reg
5V Reg
8V 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
Switch
Switch
Switch
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 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
Touch panel control switch
Touch panel control switch
Touch panel control switch
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
RESET switching
Inverter switching
Inverter drive
Inverter drive
Inverter drive
IC700·IC701 switching
IC700·IC702 switching
Video Unit (X35-4170-61)
Ref. No.
Parts No.
Description
Processing Operation

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