7-inch WIDE COLOR TELEVISION
SCREEN
V.OFF
AV OUT
PWR OFF
TOUCH PANEL MULTIPLE SOURCE CONTROL
MODE
OPEN / CLOSE
Switch assy
(S79-0818-05)
Knob
(K25-1381-03)
Knob
(K25-1380-03)
Knob
(K25-1382-03)
Panel assy
(A64-2448-02)
Panel assy
(A64-2444-02)
Antenna assy
(T90-0518-35)
Lever
(D10-4589-04) x 2
Mounting hardware
(J21-9784-04) x 2
Screw set
(N99-1710-05)
Escutcheon
(B07-3003-02)
Cord with connector
(E30-4652-05)
Mounting hardware assy
(J21-9716-03)
DC cord
(E30-4993-05)
Remote controller assy
(A70-2002-05)
© 2001-6 PRINTED IN JAPAN
B51-7819-00 (N) 498
7-inch WIDE COLOR TELEVISION
VZ817N
SERVICE MANUAL
2
NAVI L
NAVI R
AGND
NAVI SYNC
NR
REMO
NB
NG
TX
RX
RIM-
RIM+
RIM+
RIM-
EKM+
EKM-
EKM-
EKM+
SMET
SO
PLLDATA
PLLEMB
PLLCLK
/SUB
MAIN
BIL
ST
AGND SW
AS1
AS2
MONORAL IN
STEREO L/R
STEREO L/R
COMP VIDEO
COMP VIDEO
to X35
Y/C
AO MUTE
BU MUTE
MONORAL
VOL/MUTE
BUS+
BUS-
LED PON
ILLUMI
BU DET
PARK
ACC
TX
RX
CDL
NME
BLK
CONT
12.28MHz
RST
SDA
SCL
PARK
ILL
BU
ACC
FM-TX
GND
BACK
PON
PON
PON
CHOPPER
CIRCUIT
FLY
BACK
CIRCUIT
PON
COLOR
TINT
Y/C
RGB
SW
SW
RGB
RGB
NR
NG
NB
IN
RGB SW
CLAMP
RGBI
VOB
HSY
VSY
SW
IN
C.SYNC
RGBI
RGB
IN2
IN1
RGB
VCOM
FRPT
FRPV
SYNC IN
SW1
SYNC
SEP
CONT
BLK
RGB
HD
VD
BGP
NT/PAL
VSY
SYNI
HSY
PWM
MDS
MDW
MDN
OSCO
CV
OP
VIN
OSCI
PDP
VCS
KEY1
KEY2
CLK
VCOM
RGB
SPOI
MOD1
MOD2
SPS
VR
SPIO
CTR
CLD
CLS
HR
PS
58.75MHz
54.25MHz
48.55MHz
SDA
SCL
MONORAL
(0.7VP-P)
(4.0VP-P)
(0.7VP-P)
(5.0VP-P)
HD+VD
HD+VD
BRT
PON14.4V
RSENCE
ESENCE
Mecha-
nism
VGND
OSD CK
SYSGND
V5V
OSD CS
OSD TRE
OSD DO
OSD RST
X35
ANTENNA
SW
TUNER
DIVERSITY
CIRCUIT
CM0018AM
SIF
SAW
VIF
VIF
DEMODULATOR
MIX
SIF
DEMODULATOR
OSC
to NAVI
ISO
LB1836M
DRIVER
MOTOR
DRIVER
LB1836M
MOTOR
to MECHANISM PCB
to u-COM
to u-COM
/LPF
AN5281SC
AMP
NLM2902M
to u-COM
VIN 2 V
L/R
ISO
L/R
ISO
BUS SW
TC4W66F
BUS I/O
AV IN
SP SW
NJM2521M
to u-COM
CXA2089Q
AV SW
V
L/R
BF
MUTE
MUTE
RF-AMP
PLL
BU2611AF
FM-TX
AN5265
SP AMP
to BUS
BUS I/O
UPD72042BGT
M62354FP
D/A
to NAVI
to X35
UPD784217GC142
u-COM
RST
E2P-ROM
PST9130NR
BR24C02AF-W
to BAT
2SB1184
2SC4081
2SA1870
SW
2SB1443
2SD1760
2SB1203
BU
14.4V
MEC 8V
BUS
BU 14.4V
TA78DS05F
DTB123YK
AUDIO 9V
SP 9V
PON 5V
BU 5V
-FA
SW
2SC4979
2SA2013
SW
9V
T30V
P13V
P5.0V
P-17V
SYS9V
BL8.5V
SYS9V
ASSY
MECHANISM
OPEN/CLOSE
RST SW
REMO SENCE
TRAP
Y/C SEPARATION
BPF
CXA1585Q
IC100
CHROMA DECODER
D/A
M62354FP
IC50
MM1234
XFBE
to NAVI
TV/NAVI
CS/SIN/
CLK/TRE/
OSDRST
MM1389
IC60
+5.0V
+5.0V
MB90096-174
IC500
OSD
BUFF
Q401
Q403
BUFF
TC74HC07AF
IC501
BUFF
+5.0V
+5.0V/+7.5V
IR3Y26A1
IC302
IC
MUTE
TC7W34FU
BUFF
SYNCRO
SEPARATION
NJW1303V
IC400
+12V/-17V
NJM4580V
IC301
VCOM DRIVER
+5.0V
LZ9GJ24
IC200
OR
TIMING
CONTROL IC
V MUTE
KEY1/KEY2
MDS/MDW/MDN
HSY/PWM
u-COM
u-COM
BRT
SW
FLIP-FLOP
INVERTER
+5.0V
IC202
TC74AC74FT
+5.0V
IC201
NJM2107F
PLL
BL +8.5V
LCD
7INCH TFT
CFL
+12.8V
-11.9V
-16.8V
-9.6V
XFBE
TC7W00FU
PANEL
130mV
300mV
700mV
AUX : 300mV
TV : 490mV
MECHA PCB
(X35- ) (B/2)
(X35- ) (A/2)
(X14- )
POWER SUPPLY
X35
BLOCK
DIA
GRAM
VZ81
7
N
3
Video Control Unit (X14-6764-11)
Ref.
Parts No.
Name
Function
IC1
PST9130NR
Reset IC
Resetting IC for System Micom. Detection Voltage: 3.0V
IC2
UPD784217GC142
Micom IC
IC3
BR24C01AF-W
EEPROM IC
Stores sensor value of monitor mechanism and calibration value of the touch panel
IC4
M62354FP
D/A Converter IC
Picture quality adjustment/Internal speaker volume adjustment
IC6
UPD72042BGT
IE-BUS driver IC
MZ-BUS Communication
IC7
TDA8579T-T
Isolation Amp
Isolation of input voice (External input)
IC8
TDA8579T-T
Isolation Amp
Isolation of input voice (BUS)
IC10
NJM2521M
Analog Switch
Voice switch for internal speaker
IC11
NJM2902M
Buffer Amp
15kHz LPF+Amp
IC14
TDA8579T-T
Isolation Amp
Isolation of input voice (Navi)
IC15
BU2611AFS
PLL Frequency Synthesizer
Frequency control of FM transmitter
IC17
AN5281SC
Noise Canceller Sound
Multiplex Demodulation
IC18
CM0018AM
TV Diversity IC
TV Antenna Switch
IC20
AN5265
Monoral Audio Amp
Amp for internal speaker
IC22
AN5186FB
VIF/SIF for on-board TV IC
VIF Detection, SIF Detection
IC300
CXA2089Q
Video Switch IC
3 in 1 out Vide Switch, with mute
IC301
TA78DS05F
3-Terminal Regulator
5V local regulator
IC302
TC7SH08F
Buffer
Buffer for Navi remote controller
IC501
FA7611CE
DC/DC Converter Control
IC502,503
LB1836M
Motor Driver IC
Motor drive for monitor mechanism
IC504
TC4W66F
Analog Switch
For switching analog signal
Q1
2SB1184
Switch
Bu power switch for bus
Q4
DTC124EUA
Switch
Reset control using panel reset and bus reset switch
130mVrms
700mVrms
AUX:300mVrms
TV :490mVrms
AUX:300mVrms
100
10K
470
4700P
4700P
18K
SW
F/E
AN5186FB
SIF
AN5281SC
LPF
CXA2089Q
SW
NJM2521M
SW
AV IN
BUS
NAVI
AV OUT
FM-TX
SP
IC22
IC17
IC300
IC10
IC15
(X14- )
LEVEL DIAGRAM / COMPONENTS DESCRIPTION
VZ817N
4
Ref.
Parts No.
Name
Function
Q5
DTC114YUA
Switch
Drives Q7.
Q6
DTC124EUA
Driver
Drives buzzer.
Q7
2SB1443
Switch
Switching Bu power source
Q8
DTA114EUA
Mute
Bus audio mute drive
Q13
2SD1760
9V AVR
Audio power supply
Q14
DTC144EUA
Switch
Bus audio mute drive
Q16
FMG2
Switch
Input control of bus SYS ON, SYS OFF
Q17
FMA2
Switch
Output control of bus SYS ON, SYS OFF
Q18
DTA124EUA
Parking Detection
Q19
DTC124EUA
Illumination Detection
Q20
2SC4081
ACC Detection
Q21
2SC4081
BU Detection
Q22
DTB123YK
Switch
Switching BU 5V by PON
Q23
2SD2114K
Switch
Switch for MZ-BUS AGND
Q24
DTA144EUA
Driver
Electric current drive of Q23
Q25
DTC144EUA
Switch
On/Off of GND line of bus
Q26
2SC4081
9V AVR
Power supply for speaker amp
Q33
DTC124EUA
Switch
Power switch for FM transmitter
Q34
DTA124EUA
Switch
Power switch for FM transmitter
Q35
2SC4081
Buffer
Audio buffer for FM transmitter
Q36,37
2SC4081
LPF
PLL LPF for FM transmitter
Q41
2SB1203-FA
9V AVR
Power source for speaker amp
Q43
2SC2714(Y)
Oscillation Circuit
Oscillator and modulation circuits for FM transmitter
Q45
2SC2714(Y)
RF Amp
RF Amp for FM transmitter
Q49,50
2SC4081
Buffer
Video signal buffer
Q51
DTA124EUA
Switch
Turned on by panel reset key.
Q52
DTC124EUA
Switch
On/Off switch for TV antenna diversity
Q300
2SA1576A
Buffer
Video signal buffer (output2)
Q301,302
DTC143EUA
Switch
Audio mute drive for output2
Q303
2SA1576A
Buffer
Video signal buffer (output1)
Q304
DTA124EUA
Switch
Audio mute drive for output2
Q305,306
2SA1576A
Buffer
Buffer for FM transmitter audio
Q307
DTC143EUA
Mute
Mute drive for FM transmitter output
Q309
2SC2714(Y)
Amp
RF Amp
Q310
DTC124EUA
Reverse Sensor Detection
Q311
DTC124EUA
Switch
Audio mute drive for output2
Q315
2SA1870
Switch
BU power source switching
Q316
DTC124EUA
Switch
Switching voltage value for IC502 and IC503 power source
Q317
2SC4081
Switch
BU power source switching
Q501
DTA124EUA
Switch
ON/OFF of IC501 power source
COMPONENTS DESCRIPTION
VZ817N
5
Ref.
Parts No.
Name
Function
Q502
DTC124EUA
Switch
ON/OFF of IC501 power source
Q503
2SC4081
Switch
ON/OFF of IC501 power source
Q504
2SC4979
DC/DC Switching
For tuner circuit
Q505
2SA2013
DC/DC Switching
For driving LED circuit
Q506
2SC4081
Driver
For driving Q505
Q507
2SA1576A
Driver
For driving Q505
Video Unit (X35-4220-00)
Ref.
Parts No.
Name
Function
IC40
RS-171
Remote Control IC
Outputs remote control signal.
IC50
MM1234XFBE
RGB SW
R/G/B switching (TV, Video/Navi)
IC60
MM1389XFBE
RGB SW
R/G/B switching (TV, Video/Navi/OSD)
IC100
CXA1585Q
Chroma-decoder IC
Chroma-decoding
IC200
LZ9GJ24
Timing Controller IC
Control of liquid crystal display
IC201
NJM2107F
Ope Amp
PLL control
IC202
TC74AC74FT
D-flip-flop IC
Delaying ver tical start position of screen
IC301
NJM4580V
Ope Amp
Driving and buffering V-COM AC
IC302
IR3Y26A1
Gamma Compensation IC
Gamma Compensation
IC400
NJW1303V
Syncro Separation IC
Syncho separation burst gate pulse
IC401
TC7W00FU
NAND
NAND for HD and VD
IC402
TC7W34FU
Buffer
HD/VSD/HD+VD buffering
IC500
MB90096-174
OSD IC
On-screen control
IC501
TC74HC07AFE
Buffer
R/G/B/I/HSY buffering
Q10~12
DTC143ZUA
Switch
Touch panel control switch
Q13,14
DTA143ZUA
Switch
Touch panel control switch
Q200
2SC2411K
VCO Circuit
PLL oscillation
Q201
DTC124EUA
Switch
TV/Navi switching
Q202
DTA124EUA
Switch
TV/Navi (Q201) switching
Q300
2SC4081
+7.5V AVR
Gamma compensation IC +7.5V power source
Q301
2SC4081
Ripple Filter
Ripple Filter
Q303
2SA1577
Buffer
V-COM buffer
Q304
2SC4097
Buffer
V-COM buffer
Q401
2SC4081
Buffer
C.SYNC buffer
Q402
2SA1576A
Buffer
SYNC SEP buffer
Q403
2SA1576A
Buffer
C.SYNC buffer
Q500
2SC4081
Buffer
I-signal buffer
Q600
DTC124EUA
Switch
Inverter switching
Q601
DTA143EUA
Switch
Inverter switching
Q602
2SC3303(Y-LB)
Switch
Inverter switching
Q603,604
2SC3303(Y-LB)
Drive
Inverter driving
COMPONENTS DESCRIPTION
VZ817N