Kenwood KVT-M707Y User manual

This product uses Lead Free solder.
© 2005-8 PRINTED IN JAPAN
B53-0309-00 (N)1548
TV RECEIVER
KVT-M707
KVT-M707Y
SERVICE MANUAL
Size AAA battery
(Not supplied)
VOLUME
OPEN/CLOSE
MVFS
WIDE LCD MONITOR RECEIVER KVT-M707
SCRN FNC AV OUT SEL
MODE
SRC
OFF
V.SEL V.OFF
AUTOATT TI
KENWOOD TOUCH SCREENCONTROL
Panel
Destination K (A64-3600-01)
Destination E (A64-3601-01)
DC cord (Destination E)
(E30-6480-15)
Metallic cabinet
(A01-2866-01)
DC cord (Destination K)
(E30-6479-15)
Destination K : ATT
Destination E : ATT TI
Panel assy
Destination K (A64-3568-02)
Destination E (A64-3569-02) DC cord (Destination K)
(E30-6481-15) DC cord (Destination E) (E30-6482-15)
Cord with plug
(E30-6483-05)
Mounting hardware (Destination K)
(J21-9784-04) x2 (for TOYOTA car)
Cord with plug
(E30-6486-05) Mounting hardware assy
(J21-9823-03) Escutcheon
(B07-3082-02) Plastic cabinet assy (A02-2723-03)
Antenna adaptor (Destination E)
(T90-0552-05)
Mounting hardware
(J22-0054-14) x2
Screw set
(N99-1753-05)
Screw set (Destination K)
(N99-1775-05)
Remote controller assy (KNA-RC400)
(A70-2073-05) Lever
(D10-4674-04) x2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

2
KVT-M707/M707Y
BLOCK DIAGRAM
TOUCH PANEL
LCD
SLIDE MECHA
TOUCH PANEL
CONTROL
Q501-503
INVERTER
CIRCUIT
IC1 CONTROLLER
TIMING
IC101
OSD
IC301
CHROMA
IC403
OSD
IC403IC103
SYSTEM
DRIVER
MOTOR
IC701,702
u-COM ROM
POWER
AMP
MPX
OUTPUT
AUDIO
SELECTOR
IC413,414
IC100
IC151
IC400-402
RGB SW VIDEO SW
415,416 ISO AMP IC203,204
INTERFACE
J502
TV
J503
NAVI AV-IN
J201
INTERFACE INTERFACE INTERFACE
J500
LX-BUS INTERFACE
J202
AV-OUT SP OUT
J1
PRE OUT
J200
IC406-408,
INPUT SELECTOR
AUDIO
IC151
TUNER u-COM
IC303
SMALL DISPLAY
REMOTE CONTROL
KEY
X16
X35
X14
X34
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

3
KVT-M707/M707Y
COMPONENTS DESCRIPTION
●VIDEO CONTROL UNIT (X14-954x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 DC-DC CONTROLLER DC-DC circuit control/driving
IC2 5V REGULATOR Power supply for BU5.0V
IC3 3.3V REGULATOR Power supply for P-ON 3.3V
IC101 E2PROM Non-volatile memory
IC103 SYSTEM µ-COM System control
IC104 RESET IC For resisting µ-com
IC105 AND Remote controller and wired remote controller
IC301 OSD IC IC for OSD display
IC303 OSD ROM ROM for OSD display
IC304 INVERTER For amplifying OSD clock
IC305 4-BIT COUNTERS PLL CLK 3-way divider circuit
IC306 AND PLL CLK 3-way divider circuit
IC307 NOR PLL CLK 3-way divider circuit
IC308 INVERTER PLL CLK 3-way divider circuit
IC401 MONO MULTI For γIC HSYNC pulse width control
IC402 INVERTER For γIC HSYNC pulse reversal
IC403 CHROMA/GAMMA IC Video signal processing for TFT liquid crystal
IC502 AND HSYNC buffer
IC503 SYNC SEPARATOR Synchronization separation
IC504 MONO MULTI HSYNC pulse width control for OSD IC
IC505 NON INVERTER SYNC buffer
IC506 NON INVERTER SYNC buffer
IC507 INVERTER For reversal of OSD IC HSYNC pulse
IC508 NAND VSYNC delay
IC510 AND 3.3V →5.0V conversion
IC513 D FLIP-FLOP For HSYNC/VSYNC phase matching
IC514 3-STATE BUFFER For NTSC/PALVSYNC switching
IC519 AND 3.3V →5.0V conversion
IC522 EXCLUSIVE OR Separate synchronization signal →Compound synchronization signal conversion
IC701 MOTOR DRIVER For action mechanism sliding
IC702 MOTOR DRIVER For action mechanism tilting
Q1 SW SW for P-ON
Q3 SW For PARKING DET
Q5 SW For ACC DET
Q7 SW For software starting
Q9 SW SW for P-ON
Q10~12 SW For BU DET
Q13 BUFFER For switching transistor gate drive
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

4
KVT-M707/M707Y
Ref. No. Application / Function Operation / Condition / Compatibility
Q14 SW For BU DET
Q15 BUFFER For switching transistor gate drive
Q16 SW For BU DET
Q17 POWER SUPPLY Switching transistor for flyback
Q18 SW For BU DET
Q19 POWER SUPPLY Switching transistor for voltage reduction chopper
Q20,21 SW For BU DET
Q23 SW For REVERSE DET
Q25 POWER SUPPLY Power supply for 13.0V
Q26 SW For ILLUMI DET
Q27 POWER SUPPLY Power supply for 13.0V
Q30 SW Power supply for motor driver 5V ↔7.5V switching
Q35,36 POWER SUPPLY Power supply for 7.5V
Q37 SW For BU DET
Q103,104 SW For BLUE LED OFF/ON
Q105,106 SW For GREEN LED OFF/ON
Q107,108 SW For RED LED OFF/ON
Q109,110 SW For system RESET
Q120~122 SW For RED LED switching
Q304 BUFFER For OSD R signal
Q305 BUFFER For OSD G signal
Q306 BUFFER For OSD B signal
Q401 SW For NTSC/PAL chroma trap switching
Q402 SW For γIC NTSC/PAL switching
Q403 BUFFER For VCOM signal
Q501 BUFFER Buffer for C-VIDEO
Q503 BUFFER Buffer for C-VIDEO
Q505 SW For NTSC/PAL VSYNC switching
Q507 BUFFER For γR signal
Q508 BUFFER For γG signal
Q509 BUFFER For γB signal
●SUB-CIRCUIT UNIT (X16-3020-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC201 REMOTE Remote controller light receptor
Q101 DSI SIGNAL SW DSI signal control
Q206 LED SW LED Red or LED Green switching
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

5
KVT-M707/M707Y
●ELECTRIC UNIT (X34-353x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC50 REGULATOR 8.4V for audio is generated from BU14V
IC52 POWER SUPPLY CONVERTER ±9.0V for 5V pre-out is generated from BU14V
IC54 REGULATOR 5V for video is generated from BU14V
IC100 POWER IC Power amplifier for speaker output
IC150 OP AMP Buffer for audio mid-point electric potential 3.3V and SVR voltage 6.8V
IC151 E-VOL / SELECTOR Audio volume control, audio signal selection
IC200 OP AMP For amplification of audio signal of 5V pre-out (Front)
IC201 OP AMP For amplification of audio signal of 5V pre-out (Rear)
IC202 OP AMP For amplification of audio signal of 5V pre-out (Sub-woofer)
IC203 ISO AMP For GND isolation of audio signal (AVIN2)
IC204 ISO AMP For GND isolation of audio signal (AVIN1)
IC251 RDS DECODER For RDS signal processing and demodulation
IC300 VOLTAGE DET For monitoring µ-com resetting voltage
IC301 NOR For MUTE control of audio
IC303 TUNER u-COM For controlling X34 board
IC400 VIDEO SW (R) For selection of video signal (R)
IC401 VIDEO SW (G) For selection of video signal (G)
IC402 VIDEO SW (B) For selection of video signal (B)
IC403 SYNC SEPARATOR For NTSC/PAL identification, AVIN and rear camera auto detection
IC404 VIDEO SW Video signal selection (For synchronization separation)
IC405 ISO AMP For GND isolation of audio signal (TV)
IC406,407 VIDEO SW Video signal selection (For monitoring the main unit)
IC408 VIDEO SW Video signal selection (For AV OUT)
IC413 MPX For selection of audio signal (MAIN source)
IC414 MPX For selection of audio signal (DUAL ZONE source)
IC415 VIDEO SW Video signal selection (For monitoring the main unit)
IC416 VIDEO SW Video signal selection (For AV OUT)
IC500 ISO AMP For GND isolation of audio signal (LX-BUS)
IC501 INVERTER For reversing reset signal
IC502 BUFFER Buffer for remote control signal to NAVI
IC504 OP AMP For DVD audio signal GND isolation (Right)
IC505 OP AMP For DVD audio signal GND isolation (Left)
Q1 FAN 11V Comes ON when Q2 is ON
Q2 FAN 11V Comes ON when Q3 is ON
Q3 FAN 11V Comes ON when SW5V is ON
Q4 FAN 11V For controlling output signal
Q6 ANT-CONT SW Comes ON when TUNER source is selected
Q7 P-CONT SW Comes ON when STANDBY source is selected
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

6
KVT-M707/M707Y
Ref. No. Application / Function Operation / Condition / Compatibility
Q8~11 P-CONT CONTROL P-CONT circuit control
Q12 BU DET SW Comes ON when power supply voltage is about 8.8V or higher
Q13 EXT-AMP CONTROL External amp control
Q14 SURGE VOLTAGE DET Comes ON when Q15 is ON
Q15 SURGE VOLTAGE DET Comes ON when power supply voltage is about 20V or higher
Q50 ±9V POWER SUPPLY Comes ON when Q51 is ON
Q51 ±9V POWER SUPPLY Comes ON when SW14V is ON
Q52 14V POWER SUPPLY SW Comes on at P-ON
Q54 BU5V POWER SUPPLY
Q55 A8V POWER SUPPLY SW Comes ON when SW14V is ON
Q58 BU5V POWER SUPPLY
Q59 A8V POWER SUPPLY BU14V →8V for audio is supplied
Q61 V5V POWER SUPPLY SW Comes ON when SW14V is ON
Q62 SW5V POWER SUPPLY SW Comes on at P-ON
Q63 SW5V POWER SUPPLY BU5V →SW5 is supplied
Q64 V5V POWER SUPPLY BU14V →5V for video is supplied
Q65~70 ±9V POWER SUPPLY
Q150 SVR6.8V / AUD3.3V Comes ON when SW14V is ON
IC150 POWER SUPPLY SW
Q151 SVR VOLTAGE-DECREASED CONTROL Electric current control of SVR voltage reduction circuit
Q152 SVR6.8V / AUD3.3V Power supply to IC150, Voltage supply to Q151
IC150 POWER SUPPLY SW
Q200 AUDIO MUTE Audio muting of pre-out front right channel
Q201 AUDIO MUTE Audio muting of pre-out front left channel
Q202 AUDIO MUTE Audio muting of pre-out rear left channel
Q203 AUDIO MUTE MUTE at momentary power down, reset, and audio MUTE timing
Q204 AUDIO MUTE Audio muting of pre-out rear right channel
Q205 AUDIO MUTE Audio muting of pre-out center channel
Q206 AUDIO MUTE Audio muting of pre-out sub-woofer channel
Q207 AUDIO MUTE Audio muting of AV OUT right channel
Q208 AUDIO MUTE MUTE at momentary power down, reset, and audio MUTE timing
Q209 AUDIO MUTE Audio muting of AV OUT left channel
Q250 AM POWER SUPPLY SW Comes ON at AM source selection
Q252 AM POWER SUPPLY Audio 8V is supplied at AM source selection
Q403,404 AUDIO SELECTOR COLTROL SW 5V →8V conversion of IC413 µ-com control terminal voltage
Q405,406 AUDIO SELECTOR COLTROL SW 5V →8V conversion of IC414 µ-com control terminal voltage
Q500 RESET SIGNAL VOLTAGE INVERTER Signal is reversed to obtain resetting signal toTV tuner.
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

7
KVT-M707/M707Y
●VIDEO UNIT (X35-4470-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 INVERTER CONTROL Control and driving of inverter circuit for backlight
IC101 TIMING CONTROLLER LCD module control
IC205 3-STATE BUFFER Switch for start pulse switching
IC303 PLL LPF LPF for PLL control (VT voltage control)
IC401 DIMMER SENSOR Detection sensor for auto dimmer
Q1 DIMMER SW Goes ON/OFF by PWM control signal and put dimmer on backlight
Q2,3 INVERTER DRIVER Driving of inverter circuit
Q5 5V AVR 5V power supply for inverter control IC
Q100 SW OPEN/CLOSE key ILLUMI blinking switch
Q101,102 POWER SUPPLY Power supply for timing controller PLL circuit (17.5V)
Q104 VCO For PLL oscillation
Q105,106 POWER SUPPLY Power supply for timing controller PLL circuit (17.5V)
Q203 BUFFER Buffer for PLL clock
Q204 SW For switching IC205
Q205 SW Switch for compound synchronization/separation synchronization
Q501 TOUCH PANEL Y1 SW Comes ON atY0 (X0) SW:Y (X)-axis input and goes OFF X (Y) axes input
Q502 TOUCH PANEL X0/Y1 SW Goes ON atY1 SW:Y-axis input and impresses voltage
Q503 TOUCH PANEL X1/Y0 SW Comes on at X1 SW: panel touch detection or X-axis input and impresses voltage
COMPONENTS DESCRIPTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

8
KVT-M707/M707Y
MICROCOMPUTER’STERMINAL DESCRIPTION
●SYSTEM µ-COM : IC103 on X14- (VIDEO CONTROL UNIT)
Pin No. Pin Name I/O Application
Truth Value
Processing Operation Description
Table
1OSD DATA O Data to OSDC-IC
2OSD CLK O Clock to OSDC-IC
3NC -
4SDA I/O Data to EEPROM
5NC -
6SYS SDATA I Data from TUNER µ-com
7SYS MDATA O Data toTUNER µ-com
8 SYS MCLK O Clock toTUNER µ-com
9EVDD -
10 EVSS -
11 NC -
12 PON O Power supply ON/OFF control H: ON
13 REMO I Remote controller input
14 REVERSE I Reverse detection L: Reverse
15 HD IN I For γautomatic control / For PWM synchronization
16 γDATA O Data to Chroma IC
17 γCLK O Clock to Chroma IC
18 PWM O Light adjustment of backlight
19 MCNT O 7.5V power supply voltage control L: 5V, H: 7.5V
20 P DET O For control of power supply protection circuit H: ON
21 FROMVPP - Used at time of writing to flash ROM
22 DSI O LED control for DSI H: Light ON
23 ILL R O ILLUMI (Red) control H: Light ON
24 ILL G O ILLUMI (Green) control H: Light ON
25 ILL B O Sub-panel backlight (Blue) control H: Light ON
26 STATUS0 O For TV mechanism testing
27 EEPROMWRT I Write detection at ROM correction H: E2PROM write from outside, L: Other
28 TYPE0 I Destination setting qRefer to Truth Value Table
29 TYPE1 I Destination setting qRefer to Truth Value Table
30 NTSC/PAL O NTSC/PAL switching H: PAL, L: NTSC
31 NAVI O For NAVI synchronization switching At NAVI (RGB) display:L
32 OSD CS O Chip select to OSDC-IC
33 OSD RST O Reset to OSDC-IC L: RESET
34 RESET I
35 XT1 -
36 XT2 -
37 REGC -
38 X2 -
39 X1 -
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

9
KVT-M707/M707Y
MICROCOMPUTER’STERMINAL DESCRIPTION
Pin No. Pin Name I/O Application
Truth Value
Processing Operation Description
Table
40 VSS -
41 VDD -
42 CLKOUT - NC
43 SYS ON O ON/OFF control to Tuner µ-com (X34-) H: ON, L: OFF
44 SYS MREQ O Request to Tuner µ-com (X34-)
45 SYS SREQ I Request fromTuner µ-com (X34-)
46 γCS O Chip select to Chroma IC
47 VMUTE O Video mute H: MUTE ON
48 BL DET I Measure for backlight not lighting
49 RGB SW O Video source switching
50 LED SW O Blinking control of monitor OPEN/CLOSE key H: Light ON, L: Light OFF
51 ZOOM O Aspect setting rRefer to Truth Value Table
52 SIDE1 O Aspect setting rRefer to Truth Value Table
53 HPOS1 O Display start position setting we Refer to Truth Value Table
54 HPOS2 O Display start position setting we Refer to Truth Value Table
55 HPOS3 O Display start position setting we Refer to Truth Value Table
56 HPOS4 O Display start position setting we Refer to Truth Value Table
57 T/C RST O Resetting for timing controller L: RESET
58 BVDD -
59 BVSS -
60 MIRROR O Screen display right/left reversal H: Normal, L: Reverse
61 JUST O Aspect setting rRefer to Truth Value Table
62 X0 O Touch panel control yRefer to Truth Value Table
63 X1 O Touch panel control yRefer to Truth Value Table
64 Y0 O Touch panel control yRefer to Truth Value Table
65 ENABLE O Backlight power supply ON/OFF control H: ON, L: OFF
66 SW A I TV mechanism sliding detection
67 SW B I TV mechanism sliding detection
68 SW C I TV mechanism sliding detection
69 SW D I TV mechanism sliding detection
70 TMOTOR M O Motor control for TV mechanism (Tilt)
71 TMOTOR P O Motor control forTV mechanism (Tilt)
72 SMOTOR M O Motor control forTV mechanism (Slide)
73 SMOTOR P O Motor control forTV mechanism (Slide)
74 AVDD -
75 AVSS -
76 AVREF -
77 LCD B I For γautomatic adjustment
78 LCD G I For γautomatic adjustment
79 LCD R I For γautomatic adjustment
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

10
KVT-M707/M707Y
MICROCOMPUTER’STERMINAL DESCRIPTION
Pin No. Pin Name I/O Application
Truth Value
Processing Operation Description
Table
80 VCOM IN I For γautomatic adjustment
81 AUTO DIM I Auto dimmer
82 KEY1 I
Panel key (4 parts) switching of key processing in
synchronization with TV mechanism horizontal detection
83 XDATA I Touch panel input (X-direction)
84 YDATA I Touch panel input (Y-direction)
85 PH DET I TV mechanism slide photo detection
86 R SENS I TV mechanism tilt sensor voltage detection
87 KEY2 I Sub-panel key (9 parts)
88 NC -
89 PAK DET I Parking detection H: PARKING detection (When parking)
90 ACC DET I ACC detection L: ACC ON
91 BU DET I Backup reduced electricity detection H: Momentary power down
92 ILLUMI DET I ILLUMI detection L: ILLUMI ON
93 VD IN I For γautomatic adjustment / PWM synchronization
94 OPEN CLOSE I OPEN/CLOSE key L: Key depressed
95 PANEL DET I Front panel detach/attach detection L: Attach, H: Detach
96 SRC I Source select key L: Key depressed
97 FLASH SI I Used at time of writing to flash ROM
98 FLASH SO O Used at time of writing to flash ROM
99 FLASH CLK O Used at time of writing to flash ROM
100 SCL I/O Clock for EEPROM
Truth Value Table
qDestination Setting
Destination TYPE0 TYPE1
K10
E01
wHorizontal Screen Position Adjustment
(In Test Mode, variable when adjusting horizontal screen position)
0.3125 HPOS1 HPOS2 HPOS3 HPOS4
+7 LO LO LO LO
+6 HI LO LO LO
+5 LO HI LO LO
+4 HI HI LO LO
+3 LO LO HI LO
+2 HI LO HI LO
+1 LO HI HI LO
0HIHIHILO
-1 LO LO LO HI
-2 HI LO LO HI
-3 LO HI LO HI
-4 HI HI LO HI
-5 LO LO HI HI
-6 HI LO HI HI
-7 LO HI HI HI
-8 HI HI HI HI
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299