KENWOOD KVT-910DVD, KVT-920DVD, KVT-930DVD, KVT-940DVD, KVT-960DVD Service Manual
©
2001-2 PRINTED IN JAPAN
B51-7739 -00 (N) 3376
6.5-inch WIDE TV WITH DVD PLAYER
KVT-910DVD/920DVD
930DVD/940DVD
960DVD
SERVICE MANUAL
212
211
213
250
218
x2
243
RC1
223
RC2
224
222
225
240
261
260
241x2
266
265
DC2
DC1
DC3
DC4
263
SIZE AAA
BATTERY
(Not supplied)
264
AV OUT SEL
TI.VOL.ADJ
MODE
SCREENV.SEL
DISC/BAND
TRACK/TUNE
V
O
L
V
O
L
EJECT
TIATT
SOURCE
V.OF FVOLUME
DIGITAL OUT
TOUCH PANEL CONTROL
6.5-inch WIDE MONITOR
WITH DVD PLAER
DIGITALVIDEO
AV OUT SEL MODE
SCREENV.SEL
DIGITAL OUT
KVT-910DVD only
KVT-920DVD
KVT-920DVD (E, W type)
KVT-910DVD (K, R type)
KVT-930DVD (M, H type), KVT-940DVD (X type), KVT-960DVD (C type)
Refer to Parts List.
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
2
CONTENTS
BLOCK DIAGRAM .........................................................................................3
DISASSEMBLY FOR REPAIR.....................................................................10
COMPONENTS DESCRIPTION...................................................................13
MICROCOMPUTER'S TERMINAL DESCRIPTION .....................................19
CIRCUIT DESCRIPTION..............................................................................42
ADJUSTMENT .............................................................................................46
PC BOARD...................................................................................................53
SCHEMATIC DIAGRAM ..............................................................................70
EXPLODED VIEW ......................................................................................101
PARTS LIST ...............................................................................................104
SPECIFICATIONS......................................................................................129
K type : KVT-910DVD (for North America)
R type : KVT-910DVD (for South America)
E type : KVT-920DVD (for Europe Without Italy)
W type : KVT-920DVD (for Italy)
M type : KVT-930DVD (for Southeastern Asia)
H type : KVT-930DVD (for Korea, Taiwan, Philippines)
X type : KVT-940DVD (for Australia)
C type : KVT-960DVD (for China)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
REF5V
SENS
HLZSW
M.GND
MDS
MDW
MDN
HSY
VSY
NAVI
NT/PAL
GND
R
G
B
C.SYNC
BLACK
CONT
A8V
V-MUTE
VGND
YG
XG
XP
TOUCH Y
DGND
SW5V
SCRN
VSEL
AUTODIM
ILL8.4V
LAMP
OPEN/CLOSE
BRIGHT
BLGND
SW14(BL)
SW(X35)
M+
M-
DVD DT7
DVD DT6
DVD DT5
DVD DT4
DVD DT3
DVD DT2
DVD DT1
DVD DT0
DVD ERROR
DVD TOS
DVD DCK
DVD AREQ
DVD AVALID
SECTOR INT
COMMANDER
CD LRCK
CD BCLK
CD ASDATA
FE REQ
FE DATA
BE DATA
BE CLK
BE REQ
SW6.5
GND
KS0
KS1
KR0
KR1
KR2
KR3
RST
EJECTKEY
ILL8.4V
SW5V
REMO
GND
LAMP
BU5V
A0-A9
UCAS
LCAS
RAS
OE
WE
DQ1-DQ16
MLCAS
MUCAS
MRASO
MWE
MOE
MDO-MD15
MA1-MA10
A1-A20
CS1
DO-D15
MUCAS
MRASO
MLCAS
MOE
MWE
RD
CS0
WE1
WE0
RST
DACK
DREQ
WAIT
IRL
VSY
EXHSYNC
CDE
CLK1
9.534804MHz
CLKO
DD0-DD17
DCLK
MLCAS
MOE
MWE
MRASO
MUCAS
WRL
CS1
CS2
RD
WRH
SHINI
SHCON
TOUCH EN
SHSTBY
IRL
WAIT
SYSCS
SHRDY
DACK
DREQ
CS0
XG XP
YG YP
D0-D15
A0-A21
NT/PAL
TOUCH Y
TOUCH X
CS1
CS2
CS3
RD
RDWR
WRL
TOUCH X
RAS
CAS
WRH
SYSDATA
SHCLK
SHDATA
SHCS
SHRST
SH VMUTE
RD
CS3
CS0
CS1
CS2
WRH
WRL
RDWR
CAS
RAS
TOUCH
7.08M
47K
SW5V
HSY (15.734kHz)
47K
LCAS
WE
UCAS
RAS
RAS
CASH
CASL
RDWR
OE
DQ1-DQ16
A0-A8
OE
A1-A20
D0-D15
RD
CE
WRH
RD
CS3
WRL
BU5V
47K
LB
OE
UB
CS
WE
RD
DQ1-DQ16
A0-A15
MO2
MO1
01 CONTRAST
02 BLACK
04
05
06
PLLSDA
PLLCE
PLLSCK
MULTIPLICATION
606 FREQUENCY
6BAND
MONO
SW5V
SDA
SCL
SB05-03C
+
SUPERCAP
SHINI
SH VMUTE
SHCON
SYSCS
SHRDY
SHSTBY
TOUCH EN
SYSDATA
SHCS
SHDATA
SHCLK
SHRST
EPSDA
EPSCK
PLICE
PLLSDA
PLLSCK
DVD/TV
SYNC SW
DADO
DACLK
SRM MO
BRIGHT
VMUTE
VSEL
SCREEN
PANEL KEY
HSY
MD S.W.N
AUTO D IM
BUS RX
BUS TX
REMO
KEYMATRIX
BU5V
PON
3.3DET
5.0DET
6.5DET
8.4DET
RST
SMALL
ILLUM
PARK
ACC
BU
SW5V
BU14V
BEEP
SW8.4V
32.768kHz
12.58M
MUTE
RST
AGND
RCH.LCH
SYS ON.OFF
GND
BU
BU5V
L
H
CLAMP
RGB OUT
H
L
RGB
SW5V
H
LHL
HSYNC DVD
VSYNC DVD
PDO-7
CLK
A5V
MCKI
TX
ASDATA
BCLK
SYNC OUT
RGB
DIGITAL OUT
AUDIO OUT
DVD SYNC
I2C
CH-DATA
DCK
TOS
AVALID
AREQ
LRCK
ERROR
ACLK
SPDIF-IN
VS
HS
SBA0-11
SB0-15
16.9344M
CDACLK
RDCSD0-D7
A0-A8WRACLK
384FS
SRAS
SCAS
SDQM
SWE
SCLK
SYSCLK
CLK
D0-15
B-CLK
F-REQ
F- D ATA
B- D ATA
B-REQ
A0-A19
WE
RAS
DQ0-15
A0-11
CAS
CS
DQHL
DQML
7.08M
A1-19
BYTE
WECED0-15
LCAS
D0-15
A1-A10
UCASWERAS
CLK27M1
AREQ
A5V
SBA0-11
SB0-15
LRCK
2.5V
SW3.3V
CLK
27M1
A5V
SW5V
SW5V
DVD RGB
A3.3V
A1-A19
D0-15
ROMCS
WR
SW5V
D0-15
A1-A10
CASH
RAS
CASL
RDWR
ILL8.4V
BUS+.-
ACC
BU
ILL
GND
PARK
SW5V
TV SYNC
TV RGB
+
2200u
SW5V
+
A8V
A8V
SW5V
5.6K
5.6K
LRCLK
SW14V
BU5V
SW6.5V
SW3.3V
SW8.4V
D3F60
BU5V
SW5V
1SR154-400
SW14V(X35)
SW14V(BL)
150 220 330
270
270
330
SW8.4V
K.J SW5V
E BU5V
ATT
VOL-
KR0
KS0
KS1
VOL+
TI SOUCE
DOWN
KR1
-
UP
KR2 KR3
L,R
SW5V
C.VIDEO
to X35
VIDEO UNIT
SW
PCB
DVD
MECHA
1M
MSM5118165B60T
DRAM
HD64412F
Q2i
TC7W04FU
1/3
HD6417041AF128
16BIT
TC7SHU04F
DRAM
256K 16BIT
MSM514265CP-60
MSM531622F
1M 16BIT
ROM1 SRAM
LC351016AT-70U
16BIT64K
TC74VHCT08AF
(4.7NS)
TA8428F
DRIVER
MOTOR
M62354FP
D/A
NJM4565V
BUFF
BA3830F
SPEANA
BU3616K
V-DA C
7.99M
W02-1547-05
OSC
MULTI
MONO
TC9246F
PLL
TC7W04FU 2/3
TC7W04FU
3/3
EEPROM
HA12187FP
BUSIC
OPTICAL
DIGITAL
SWITCH
ITALY
OUTPUT
SYSTEM u-COM
UPD703035AGC
V850
L78-0533-05L78-0575-05
to DSP BOX
S62-08363-05
RCH,LCH
ILL,PARK
ACC,BU
DETECTOR
PST9137NR
RST
1.2V(RMS) AT 0dB DISC
MZ
E58-0886-05
RGB SW
MM1389XFBE
RGB SW
MM1234XFBE
BUFF
NJM2235
LPF BUFF MUTE
DAC
AK4353
AUDIO
ENCODER
ADV7170KSU
VIDEO
DRIVER
NJM2267V
75
NJM4565V
NJM4565V
2SD2114K
MPEG
L64021H
DECODER
LCX16244
512K
HY57V16160DTC8
SDRAM
HD6417040AFI28
SH7042
FLASHROM
LHF40V13
MSM5118165B60T
DRAM
16BIT
256K1M16BIT
16BIT
LCX16244
VHCT125
VHCT125
REG
OSC
27M
NJU7222U50
REG
PLL
PLL1700
PLL
TC9246F
TC7SH04F
TC74SH04FU
TC74LCX245
TCLCX16244
REG
NJU7222U33
REG
DC/DC
BA9743AFV
DC/DC
BA9743AFV
TA78DSO5F
BUS
E58-0899-05 DC CONNECTOR
FUSE.COIL BOX
B.U
ACC
ILL
GND
PARK
AUDIO
RCA
OUT
A/V
INTERFACE
L, GND
R, GND 1V(RMS) AT 0dB DISK
1 CORE SHIELD 2
TC4W66F
C.VIDEO
GND
REMO
SYNC
GND
RGB
MINI DIN
COAXIAL CABLE
4 CORE SHIELD
2SJ377
AN7708SP
REMO
RS-141
SW5V
KEY MATRIX
VOL- VOL+ ATT RST SOURCE TI EJECT DOWN UP
LCX74
TC9246
TC7WH123FU
IC15
IC224
IC3
IC214
IC209
IC208
IC205
IC206
IC210
IC227
IC226
IC218
IC223
IC225 IC222
IC221
IC220
IC217
IC211
IC12
IC19 IC27
IC16
IC21
IC6
IC9
IC3
IC13 IC24
IC10
IC14
IC11
IC15
IC20
IC207
IC202 IC203 IC200
IC212
SW PCB
(X14)
(B/2)
(A/2)
34
BLOCK DIAGRAM
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
TV8V
SW8V
V-IN2 COMP.
V-IN1 COMP.
DVD-VIDEO COMP
SYNC
RGB
L.R
SW8V
RGB
RGB
Ffrom X86 TV
V-OUT COMP.
(J,E) TYPE (K,M,H,C) TYPE
SW8V
2
-9.1V
+9.9V
REQC
MUTE
CHCLK
DATA H
DATA C
REQH
CHCON
2
7
2
2
2
2
2
RGBSW
SEL2
SEL4
E-VOL
TVSDA
TVSCL
AMUTE
RXD
TXD
TVBU5V
MPX
CDL
PHGNDAMCDR
CDGND
MUXR
MUXL
FMDETOUT
AMDETOUT
AM+B
FM+B
RDSOUT
COMMON+B
P-ON5V
PLL
NON FADER
FRONT
REAR
SW8V
SW5V
MAIN-ANT SUB-ANT (J TYPE)
3
(E,M,H,C) TYPE
(E,K,M,) TYPE
SW8V
4.33MHz
ACOUTL
TAPER
TAPEL
ACOUTR
OUTFL
OUTFR
OUTRL
OUTRR
3
LOUT1.ROUT1
4
LCH, RCH
3
2
DEL,DER
B-G,B-R
BRL,BRR
SW8V
4CH
2CH
BUS OFF
BUS+
RST
MUTE
BUS ON
BUS-
SW8V
MUTE
+B DET
BU5V
PCON
FM+B
AM+B
RST
MUTE
SCK
SDA
REQH
CHCON
REQC
DATA C
CHCLK
DATA H
MUTE
STBY
SVR
P MUTE
QUAL
NOISE
R-DAT
PLL
RCLK
2
BU5V
43
ACC
BU
ILL
7
2
2
2
2ZONE/NAVI SELECT
2
ERL,ERR
EFL,EFR
NFL,NFR
(ARL,ARR)
(AFL,AFR)
14.4V
GND
ILL
LMUTE
+B
ACC
ANTCON
PCON
RR-
RL+
RLRR+
FR+
FR-
FL-
FL+
4
4
4
4
2
2
2
AM: 700mV(J,K)/900mV(E,M,H,C)
FM: 1,800mV(J,K)/1,250mV(E,M,H,C)
CD, DVD:4,200mV
REAR L/R
FRONT L/R
BFL,BFR,
B-L,
7
4
4
2
2
-9.1V+9.9V
14.4V
ACR,2ACR
ISO AMP.
M5280FP
ISO AMP.
M5280FP
M5280FP
ISO AMP.
ISO AMP.
M5280FP
TO MONITOR
AV IN2
AV IN1
R
L
R
L
L
R
75
NJM2267V
DRIVER
MUTE
ISO AMP.
M5280
RGB
SW
X86 UNIT
V
V
to
TV u-COM
M5222FP
E-VOL.
V-OUT
L-OUT
R-OUT
5L CONNECTOR
to
SYSTEM uCOM
to
NAVI I/F
703035AGC-014
TV uCOM
IC78
BUFFER
NJM4565V
PST9137NR
RST IC
TDA7400D
MPX/E-VOL
IC2-
FM/AM F/E
H.P.F
TDA7401
SYSTEM E s +
SYSTEM u-COM
to
NOISE AMP
NJM4565
TDA7479D
RDS
SYSTEM u-COM
to
DEMODULATER
FM+B.AM+B
DTC124EU
,
SW
OPAMP
to
SYSTEM u-COM
TC4W66F NJM4565M
BUFFER
NJM4565M
ISO AMP.
TC4W66F
MZ-BUS
CONNECTOR
UPD72042BGT
BUS DRIVER
PST9130NR
RST IC
MUTE
DRIVER
to RDS to F/E
SYSTEM uCOM
784215GC206
IC31
to F/E
ILL
DET
BU
DET
ACC
DET
BR24C01AF
E2PROM
to 5L CONNECTOR
BU4066BF
MUTE
MUTE
MUTE
BU4066BF
POWER AMP.IC
45Wx4CH
PCON
PRE AMP.
NJM4565M
x3
AV I/F
NAVI I/F
FRONT RIGHT
REAR RIGHT
REAR LEFT
FRONT LEFT
NONFADING R
NONFADING L
LEVEL : VOL.MAX
: (1kHz 40k DEV.60dBuEMF)E,M,H,C TYPE
FM : (1kHz 75k DEV.60dBuEMF)J,K TYPE
AM : (400Hz 30%MOD.74dBuEMF)
IC87
IC83
IC84
IC86
IC92 IC91
IC89
IC61
IC62
IC54 IC56
IC57,58
IC42,43
IC40,41
IC55
IC51
IC74
IC30
IC32
IC34
IC65,66
IC50
IC88
IC60
IC79
IC72,73,80
FM: 400mV(E,M,H,C)
FM: 400mV(J,K)
AM: 180mV(E,M,H,C)
AM: 160mV(J,K)
1,200mV
1,200mV
AM: 230mV
FM: 630mV
CD, DVD: 1,750mV
FM: 760mV(K,J TYPE) / 520mV(E,M,H,C TYPE)
AM: 280mV(K,J TYPE) / 360mV(E,M,H,C TYPE)
CD,DVD :
(X25)
22K
22K
22K
22K
56
BLOCK DIAGRAM
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
7
BLOCK DIAGRAM
+5.3V
ILL8.4V (ILL DC)
SW14V/BLGND
A8V
SW5V
REF5V
-16V
VGH
VSS
VGL
VCC
VSHL1/VSHL2
VSHA1/VSHA2
+13V
HLZSW
V.SEL/SCREEN
SENS/M.GND
MDW/MDN/PWN/GND
NAVI/NT-PAL/MDS
HSY
SYNC OUT
COM FRP
FRP
R/G/B/C.SYNC/V.GND
BLACK/CONT
OUT
COM
V-MUTE
M+/M+/M-/M-
X0/Y0
/X1/Y1
/V.GND
VR/VG/VB
COM
/SPIO/CTR/PS
/HR/SPOI/GND
MODE2/MODE1
/VR/SPS/CLS/CLD
/LAMP/BRIGHT
SW-OPEN
VSY/HSY
VCS
YG/XG//XP/TOUCH X/TOUCH Y/D.GND
CVOP
VIN
AUTODM
DC-DC
CONVERTER
LZ9GJ24
TIMING CONTROLLER
TC74AC74FT
V DELAY
-16V -9.6V
-16V -11V
+13V +12V
+12V +7.5V
NJM4580V
COM AMP
IR3Y26A
SYNCHRONIZED
&
SIGNAL SEPARATOR
SENSOR
POSITION PANEL SLIDE
MOTOR
TOUCH PANEL
SWITCH CIRCUIT
SWITCH CIRCUIT
FRONT PANEL
INVERTER &
BACK LIGHT
OPEN/CLOSE SW
6.5INCH LCD
TOUCH PANEL
NJM4580E
COM AMP
IR3Y26A
SYNCHRONIZED
&
SIGNAL
SENSOR
POSITION PANEL SLIDE
MOTOR
TOUCH PANEL
SWITCH CIRCUIT
SWITCH CIRCUIT
FRONT PANEL
INVERTER &
BACK LIGHT
OPEN/CLOSE SW
6.5INCH LCD
PANEL
HORIZONTAL
DETECTION
TIMING
CONTROLLER
LZ9GJ24
IC40 IC70
IC130
IC90
IC91
OR
TOUCH
SEPARATOR
PLL & LPF
NJM2107F
NJM2107F
PLL & LPF
IC70
IC40
IC130
IC91
IC90
DMA4603H
DIMMER SENSOR
V DERAY
TC74AC74FT
SENSOR
DMA4603H
DIMMER
VIDEO BOARD (D/4)
BOARD (C/4)
SWITCH
POWER LINE BLOCK DIAGRAM
(X35-)
VIDEO BOARD (D/4) BOARD (C/4)
SWITCH
(A/4)
(A/4)
SIGNAL LINE BLOCK DIAGRAM
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
8
BLOCK DIAGRAM
(E)(J,K,M)
PLLENB
PLLDATA
PLLCLK
SCL
SDA
TV CVBS
(E) 38.9 MHz
(M) 38.0 MHz
(J) 58.75MHz
(K) 45.75MHz
VIDEO IN
RGB
SYNC
SDA
SCL
TV
(E)
(E) 33.4 MHz
(M) 31.5 MHz
(K) 41.25MHz
(J) 54.25MHz
FOR DIVERSITY
10.7MHz
D/K
I
B/G
(E,M)
FM/AM
(E)
ST
BIL
MAIN
(J)
AUDIO
L
(J,K,M)
VIF
SAW
TUNER
ANTENNA
SW
DIVERSITY
CIRCUIT
CM0018AM
MODULATOR
VIF DE- VIDEO
SW
MATRIX
PA L
NTSC
RGB SW
SYNC
SECAM
DECODER
TDA8842H
SIF
SAW
MIX
MODULATOR
VIF DE-
MODULATOR
FM DE-
OSC
MODULATOR
AM DE-
SW
CANCELLER
NOISE
HI-CUT
JAPAN MPX
LPF
AN5186FB
TDA9830 AN5281S
NJM4565
IC2
IC102
IC101
IC201 IC202
IC203,204
(X86)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
9
BLOCK DIAGRAM
ABCD-DVD
EF-CD
ABCD-CD
LD CD
PD DVD
PD CD
LD DVD
APC
FOK
PICETEFERF
CE
TE
FE
RF
SERIAL-CONT.
PI
TRACKING-DRIVE
FOCUS-DRIVE
FOCUS-JUMP
SLED-DRIVE
LOADING-CONT.
FOCUS-COIL
TRACKING-COIL
SLED-MOTOR
LOADING-MOTOR
VCC DR LD-ON
BUS
RF
CD DATA
CD-SPO
SPO
BUS
JITTER
OFFSET
JITTER-MON.
FE
SERIAL-CONT.
FZL
FZH
CD-SPO
CD-DATA
FOCUS-JUMP
LD-ON
LOADING-CONT.
MUTE
FG
EC
MUTEMUTE
FG
H-SENS
MOTOR
SPINDLE-
SENSORS
HOT
SLED-SW
PH-B
SLED-PH
PH-C
PH-A
DOWN-SW
SLED-PH
HOT
PH-C
DOWN-SW
PH-A
PH-B
SLED-SW
SENSORS
SERIAL-CONT.
EJECT
XTAL
XTAL
ATAPI I/F
6.5V
to RF-BLOCK
PROM u-COM.
POWER CONT.
PHOTO ON
PROM u-COM.
5V
to SENS.-LED to SPINDLE-DRIVER
to u-COM
EEPROM
VCC
to SERVO-IC
VDD
VDD5
to ROM-DECODER
to ROM-DECODER
to ACT.
/MOTO R
-DRIVER VM
to SPINDLE
-DRIVER
HRESET
MRESET
ATA-RST
MRESET
HRST
XRST
XRST
L-RES
RF/MATRIX-AMP.
DISC-SERVO
CD-DSP.
FOK
ACTUATOR
-DRIVER
PICKUP
HFM-SW.
u-COM
ATAPI-IF
ROM-DECODER
D-RAM
JITTER-AMP.
DVD-DSP
FE-DET.
EEPROM
SPINDLE-DRIVER
16M
XTAL
OSC.
33.86M
5V AVR
SW. SW.
5V AVR
SW. 3V AVR
u-COM
ROM-DECORD
ATAPI-IF
DVD-DSP
CD-DSP.
SERVO
IC7
Q13,27 IC15
IC21
Q14,15 Q23,24
IC1
Q2
Q1
Q3,5
IC8
IC9
X1,IC17
IC20
IC4
IC14
IC20
IC16
IC14
IC11
IC22
IC3
IC22
IC5,6,Q6
IC23
X2
POWER LINES AND CONTROL
RESET LINES
(X37)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
10
DISASSEMBLY FOR REPAIR
How to Remove the Slider Assembly
(5)
(2)
(1)
(3)
(4)
(6)
1. Remove the pan precision small screw and remove
the blanking assembly. q
2. Remove the gear and move the slider manually
closer to you. w
3. Remove the small screw. e
4. Lift the stopper slightly and remove it by lightly
tugging at it. r
5. Remove step screw. t
6. Move the slider manually closer to you and remove
the slider assembly from chassis assembly. y
t
y
w
q
e
r
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
11
1. Take out the bracket with the sensor assembly still
in place. q
2. Put the slider assembly in slant position so that the
guild would be in position as shown in the diagram
and insert it into the chassis assembly. w
3. Install the stopper with a small screw. e
4. Put the step screw in place.r
(2)
(2)
(4)
(1)
(3)
Guide
Stopper pin on the
upper part of chassis.
A-A cross-section
A
A
Sensor assembly
DISASSEMBLY FOR REPAIR
How to Install the Slider Assembly
q
r
w
e
w
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
12
5V input
GND
Output
0.6V~0.8V
(6)
(9)
(11)
(8)
0.6V~0.8V
4.35V~4.65V
(10)
(12)
(5)
(13)
5. Move slider assembly manually closer to you until it
stops moving. This condition is to be maintained till
Step 10. t
6. Impress 5V voltage on the sensor assembly
connector in 1. and confirm on the output voltage.
y
7. Confirm that the output is shown to be in the range
of 0.6 - 0.8V.
8. If the output is not showing the range of 0.6 - 0.8V,
turn the metal gear to right or left, as shown in the
diagram. Adjust so that the output will be in 0.6 -
0.8V range. i
9. After confirming that the output is in 0.6 - 0.8V
range, assemble the bracket and sensor assembly
to the slider assembly from the side direction while
making the gear and the metal gear to come into
contact. o
10. After procedure in 9. is finished, confirm the output
to be in 0.6 - 0.8V range using the procedure in 6.
!0
11. After procedure in 10. is finished, manually move
the slider assembly to the rear of chassis
assembly, until it stops moving. !1
12. Confirm that the output is in 4.35V - 4.65V range,
using the procedure in 6. If the output is found to
be out of the range, remove the bracket and
conduct the procedure in 6. again. !2
13. When the procedure in 12 is finished, install the
gear. !3
14. End
DISASSEMBLY FOR REPAIR
How to Install the Slider Assembly
t
!0
!2
!1
!3
o
iy
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
13
COMPONENTS DESCRIPTION
●Video Control Unit (X14-634X-XX)
Ref.No. Component name
Application / Functions
Operation / Conditions / Compatibility
IC1 TC74VHCT125AFT 3-State buffer
User for conversion of voltage levels on the interface of
mechanism and video sides.
IC3 TC9246F PLL
When playing CD-DA, generates 16.9344MHz clock based on
44.1KHz.
IC4 TC74LCX16244AF 3-State buffer
Used for converting voltage level of the interface for mechanism
side and MPEG decoder.
IC6 HY57V16160DTC8 SD RAM Used as the work area of the MPEG decoder.
IC7 TC74LCX74FT D-type flip-flop
Used to synchronize signals output from the mechanism to MPEG decoder
IC8 TA48M025F 3-terminal regulator Generates 3.3V to 2.5V voltages and supplies to MPEG decoder.
IC9 L64021H-G11 MPEG decoder Used for MPEG2 decoder.
IC10 HD6417040AFI28 Video micom For controlling video peripherals.
IC11 NJU7222U33 3-terminal regulator Generates 5V to 3.3V voltages and supplies to Video encoder.
IC12 AK4353VF Audio DAC Used as stereo CMOS DYA converter.
IC13 PLL1700E PLL
Generates 27MHz,16.9344MHz, and 36.864MHz clocks based on
27MHz clock.
IC14 LHF40V13-0N3 Flash memory
Used for booting video micom. Also for holding control data for
video encoder, audio DAC, and MPEG decoder.
IC15 MSM5118165B60T DRAM Used as the work area of the video micom.
IC16 ADV7170KSU Video encoder
Encodes signals output from the MPEG decoder and generates
RGB and COMPOSITE signals.
IC17 NJU7222U50 3-terminal regulator Generates 8V to 5V voltage and supplies to audio DAC.
IC18,19 NJM4565V Ope-Amplifier Used as buffer for LPF middle point potential.
IC20 AN7708SP 3-terminal regulator Generates 14V to 8V voltages and supplies to LPF peripherals.
IC21 NJM2267V 75Ω Driver Drives composite output at 75Ω.
IC22 TC74LCX245FT
Bi-directional MPEG decoder uses 3.3V and video micom uses 5V. This buffer is
3-state buffer used for level conversion between these voltages.
IC23 TC74LCX16244AF 3-state buffe
r
Used for conversion of voltage level between video micom and
MPEG decoder.
IC24 NJU7222U50 3-terminal regulator Generates 8V to 5V voltage.
IC25 S-80942ANMP Resetting IC Generates write protect signals for the flash memory at power on.
IC26 TC7W00FU NOR gate Generates mute signals.
IC27 NJM4565V Ope-Amplifier Used for buffering audio signals.
IC28 TC7SH04F Not gate Used as buffer for clock output signal from crystal oscillator.
IC29,30 TC4W66FU Analog switch Used for switching audio signals.
IC200 TA78DS05AF 3-terminal regulator For back up of system micom (IC217) and SRAM(IC225).
IC201 NJM2403V Comparator
Monitors IC202 and IC203 conditions. If any abnormality occurs in
one of them, operation is stopped.
IC202,203
BA9743AFV DC/DC converter This IC produced any voltage from 14V power supply.
IC205 NJM4565V Ope-amplifier Buffer amplifier for Spectrum analyzer.
IC206 BA3830F Spectrum analyzer Band Rass filter for Spectrum analyzer.
IC207 PST9137NR Reset IC Used for resetting system micom.
IC208 MM1234XFBE Video switch
Switches RGB signals coming from DVD (internal) and black box (external).
IC209 MM1389XFBE Video switch
Puts graphic signals on the screen over the signals switched by IC208.
IC210 BU3616K Video D/A converter D/A converter for graphics.
IC211 NJM2235M SYNC switch Switch for DVD sync signals and TV or external sync signals.
IC212 HA12187FP BUS IC For MZBUS communication.
IC213 MSM5118165B60T Video RAM For saving graphic data.
IC214 HD64412F Graphic accelerator IC for graphic drawing
IC215 TC7SHU04F NOTgate For conducting logic reversal
IC216 TC7W04FU NOT gate Logic reversal buffer
IC217 703035AGC-013 System micom For system controls.
IC218 MSM531622F76TS ROM Program ROM for graphics
IC219 TC9246F PLL Generates 9.53MHz by multiplying HSY(15.7KHz) by 606 times.
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
14
COMPONENTS DESCRIPTION
IC220 ∗∗∗∗∗∗∗∗∗∗∗ E2PROM For storing region and security codes.
IC221 M62354FP D/A converter For adjusting image quality.
IC222 TA8428F Motor driver For operating TV mechanism.
IC223 TC74VHCT08AF AND gate Logic setting for SRAM.
IC224 TC7WH123FU Mono-multi For generating CLAMP pulse waves.
IC225 LC351016AT-70U SRAM For operation of graphic micom and disk name presetting.
IC226 MSM514265CP-60 DRAM For operating graphic micom.
IC227 HD6417041AFI28 Graphic micom For controlling graphic accelerator.
IC228 W02-3152-05 Oscillator For generating clock for operation of graphic micom.
IC229 TC7SHU04F NOT gate For conducting logic conversion
IC500 RS-141
Remote control light
For receiving remote control signals
receiver element
D3 AD1580ART-REEL Shunt regulator Used for supplying 1.25V for video encoder
D4 HZM3.9N(B) Zenner diode For creating middle point potential of audio LPF
Ref.No. Component name
Application / Functions
Operation / Conditions / Compatibility
IC10 ICL7660SIBA For DC/DC For controling DC/DC converter
IC30 PST9130NR Resetting IC Detection voltage of 3V
IC31 UPD784215GC206 System micom Including FM/AM tuner control
IC32 UPD72042BGT BUS-IC MZ-BUS comunication interface
IC33 TC7W02F Mute logic circuit
IC34 BR24C01AF-W EEPROM Storage of data
IC40,41 BA3129F Switch ope-amplifier
IC42,43 NJM4565M-TE2 Buffer
IC50 TDA7386 Power amplifier
IC51 TDA7401 SYSTEM E's+ H.P.F
IC54 TC4W66F Analog SW AV IN1,IN2,TV audio switching
IC55 TDA7400D IC2-3 Electronic volume, MPX
IC56 TC4W66F Analog SW MZ-BUS voice switching
IC57,58 NJM4565M-TE2 Buffer MZ-BUS audio input
IC59 NJM4565M-TE2 Buffer For 1/2Vcc
IC60 M5280FP Isolation amplifier For isolation with 5L
IC61 NJM4565M-TE2 Noise detection ope-amplifier For RDS
IC62 TDA7479D RDS decoder
IC65 BU4066BF Analog SW NAVI interruption voice switching
IC66 BU4066BF Analog SW 2-zone voice switching
IC70 M5237ML 3-terminal regulator For SW 8V
IC71 TA78DS05F 3-terminal regulator For TV BU 5V
IC72,73,80
NJM4565M-TE2 Ope-amplifier For PRE OUT
IC74 NJM4565V Ope-amplifier For 2-zone audio, NAVI interruption voice
IC75 M5237ML 3-terminal regulator For TV 8V
IC76 M5237ML 3-terminal regulator For TV 5V
IC78 703035AGC-014 TV tuner micom Used mainly for controlling X86 board
IC79 PST9137NR Resetting IC Detection voltage 3.7V
IC83 M5280FP Isolation amplifier For isolation with RCA input (AV IN2)
IC84 M5280FP Isolation amplifier For isolation with RCA input (AV IN1)
IC85 HA12187FP BUS-IC Interface for MZ-BUS communication
IC86 CXA2089Q Audio-Video switch Switches for AV IN1,IN2,TV,DVD image and audio.
IC87 M5280FP Isolation amplifier For isolation with RCA input (DVD)
IC88 M5222FP Electronic volume
Volume control for 2-zone audio and NAVI interrupt audio.
IC89 M5280FP Isolation amplifier For isolation with NAVI
●ELECTRIC UNIT (X25-862X-XX)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
15
COMPONENTS DESCRIPTION
IC90 NJM2267V Video amplifier 6dB amplifier for SYNC and B signals.
IC91 MM1234XFBE RGB switch For switching R.G.B signals.
IC92 NJM2267V Video amplifier 6dB amplifier for R and G signals.
Q100,103
DTC114EUA, 2SB1188(Q,R)
SW for P-CON
Q101,102
DTA124EUA, 2SA1576A
Protection circuit for P-CON
Q104,105
2SB1443, 2SC4081 SW for DC/DC
Q106,107,108
2SA1576A, 2SC4081,
2SA1576A
Stagger stabilization circuit
Q109,110,111
2SC4081, 2SA1576A,
2SC4081
Stagger stabilization circuit
Q112,113
DTC114EUA, 2SB1188(Q,R)
SW for P-ANT
Q300 DTC144EUA Resetting SW
Q301 FMG2 ON REQ/OFF REQ SW
Q302 FMA2 SYS ON/SYS OFF SW
Q303 DTA124EUA MUTE driver
Q304,305
DTA144EUA, DTC144EUA
ILL SW For MZ-BUS slave unit
Q306 DTA123JK EXT CON SW
Q500 DTC144EUA SVR SW
At the time of power down, turned ON with base
"H."
Q501 DTC144EUA TEST MODE SW
During TESTMODE, releases temperature protection of power amplifier.
Q502 DTC144EUA MUTE SW For TDA7401
Q503,505
DTA144EUA, DTC144EUA
AUDIO SW For MZ-BUS AUDIO switching
Q504 2SD2114K GND SW For MZ-BUS AUDIO switching
Q506,507
DTC144EUA, DTA124EUA
MUTE SW For PRE OUT
Q511 2SD2114K GND SW For MZ-BUS AUDIO switching
Q512,513
DTA144EUA, DTC144EUA
AUDIO SW For MZ-BUS AUDIO switching
Q514,518
DTC124EUA, 2SB1277(Q,R)
FM+B SW
Q515,519
DTC124EUA, 2SB1277(Q,R)
AM+B SW
Q516,517,521
DTA124EUA, DTC114TUA,
2SC4081
Detection noise For NOISE detection AFC
Q520 DTC124EUA K2I SW K2I NARROW/WIDE forced switch
Q522,523,
524,525
2SD2114K AUDIO MUTE For speaker output
Q526,527
DTC144EUA, DTC124EUA
AUDIO SW
NAVI interruption audio selection when Q527 base is "L."
Q528,529
DTC144EUA, DTC124EUA
AUDIO SW
NAVI interruption audio selection when Q529 base is "L.
"
Q601 DTC144EUA DSP SW With DSP when base“H.”
Q700 2SA1906 8V AVR TV 8V
Q701,703
2SB1443, 2SC4081 5V AVR BU 5V
Q702,704
DTB123YK, DTC144EUA
P ON(IC31)5V SW SW 5V
Q705 2SB1565(E,F) 5V AVR TV 5V
Q706 DTC144EUA ILL DET
Q707 2SB1565(E,F) 8V AVR SW 8V
Q708,718
2SB1443, DTC114YUA
P ON (IC31) 14V SW SW 14V
Q709 2SA1906 8.5V AVR A 8.5V
Q710 2SA1576A Buffer For V MUTE (image)
Q711 2SC4081 BU DET
Q712 2SC4081 ACC DET
Q713,714,715,
716,721,722
2SD2114K, AUDIO MUTE PRE OUT
Q719,720
DTA124EUA, DTC144EUA
MUTE SW For AVOUT
Q723 DTC144EUA Resetting SW
Q724 FMG2 ON REQ/OFF REQ SW
Q728 2SA1576A Driver For RCA output (image)
Q729 2SA1576A Buffer For VOUT2 (Image)
●ELECTRIC UNIT (X25-862X-XX)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
16
COMPONENTS DESCRIPTION
Q730 DTC144EUA MUTE SW For image signal
Q731,732
2SD2114K AUDIO MUTE For RCA output
Q733,734 2SB1443, DTC114YUA
P ON (IC78)14V SW
Q735,736,
739,740
DTC144EUA, DTA124EUA
MUTE SW For speaker output
Q737,738
DTC144EUA, DTA124EUA
MUTE SW BUS MUTE
Q741,742
DTC144EUA, DTA124EUA
P ON (IC31) SW For fan power supply
Q743,744
2SB1184, 2SC4081 5V AVR 5V fan power supply
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
IC1 TL5001ID IC for DC-DC control Inverter control
IC2 NJM2403V Comparator Inverter protection circuit
IC20 PNA4603H Auto dimmer IC Auto dimmer (IC for detecting brightness)
IC40 LZ9GJ24 Timing controller IC Control for liquid crystal
IC70 NJM2107F Op-amplifier PLL Control
IC90 IR3Y26A1 Gamma compensation IC Gamma compensation
IC91 NJM4580V Op-amplifier V-COM AC driver and buffer
IC130 TC74AC74FT D-flip-flop IC Delay for vertical start point for images
IC140 NJM2368V IC for DC-DC control Control for DC-DC
Q1 2SC2412K Drive Inverter drive
Q2 2SA1037K Drive Inverter drive
Q3 2SC2873 Drive Inverter drive
Q4 2SC2873 Drive Inverter drive
Q6 2SJ518 Drive Inverter drive
Q20 DTC124EUA Switch Touch panel control switch
Q21 DTA124EUA Switch Touch panel control switch
Q22 DTC124EUA Switch Touch panel control switch
Q23 DTC124EUA Switch Touch panel control switch
Q24 DTA124EUA Switch Touch panel control switch
Q25 DTC124EUA Reversing Reversing BRIGHT signal
Q40 DTC124EUA Switch Switch for TV/NAVI
Q70 2SC2411K VCO circuit Oscillation for PLL
Q90 2SC4081 +7.5V AVR 7.5V power supply for gamma compensation IC
Q91 2SC4081 Ripple filter Ripple filter
Q140 2SC5566 Switch Switching for DC-DC
●Video Unit (X35-418X-XX)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
17
COMPONENTS DESCRIPTION
IC1 BA7652AF VIDEO SW For switching diversity VIDEO signal
IC2 CM0018AM TV diversity IC Switching control of TV antenna
IC3 BA6161F Switching regulator IC For TV tuner 30V
IC101 AN5186FB VIF/SIF IC for TV VIF detection, SIF detection
IC102 TDA8842H VIF/chroma IC for TV VIF detection, Chroma processing
IC201 TDA9830T AM detection IC SIF (AM) detection
IC202 AN5281SC NC/MPX MPX function only for J-type only
IC203 NJM4565M-TE2 OP-amplifier 15kHz LPF
IC204 NJM4565M-TE2 OP-amplifier 15kHz LPF
Q1 DTA114EUA Switch Diversity IC VIDEO MODE switching
Q2 DTC124EUA Switch SAW filter input IF switching
Q3 DTC143TUA Switch SAW filter input IF switching
Q4 2SC2714(Y) Amplifier SIF AMP
Q5 2SC2714(Y) Amplifier VIF AMP
Q101 2SC4081 Buffer Image signal buffer for diversity
Q102 2SC4081 Buffer Image signal buffer for diversity
Q103 2SC4081 Buffer Image signal buffer
Q104 DTC 124EUA Buffer SW for crystal
Q105 DTC 124EUA Switch SW for crystal
Q106 DTC 124EUA Switch SW for crystal
Q107 DTC 124EUA Switch VIF detection frequency switching for diversity
Q108 2SC4081 Buffer H-sync pulse creation
Q109 2SC4081 Buffer H-sync pulse creation
Q110 2SC4081 Buffer Sync signal buffer
Q111 2SC4081 Buffer RGB signal buffer
Q112 2SC4081 Buffer RGB signal buffer
Q113 2SC4081 Buffer RGB signal buffer
Q114 2SC4081 Buffer Image signal buffer
Q115 2SC4081 Buffer Image signal buffer
Q116 2SA1576A Buffer Image signal buffer
Q117 DTC144EUA Mute RGB signal mute
Q118 DTC144EUA Mute RGB signal mute
Q119 DTC144EUA Mute RGB signal mute
Q201 DTC144EUA Switch f-characteristic control when detecting multi-path.
Q202 DTC144EUA Switch f-characteristic control when detecting multi-path.
●TUNER UNIT (X86-323X-XX)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
18
COMPONENTS DESCRIPTION
IC1 NJM2406F Comparator Thread pulse wave rectifying
●SUB-CIRCUIT UNIT (X13-9770-00)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
IC1 SP3721A RF signal processing IC
RF signal processing (AGC,EQ, etc.),Servo signal
processing (FE,TE,CE,DFCT,MIRR,APC, etc.)
IC2 NJM2125F Op-Amplifier VC(2.5V) buffer (voltage follower)
IC3 NJU7093A Op-Amplifier Jitter signal amplifier
IC4 NJM2406F Comparator FOK signal generation (PI converter)
IC5 NJM2100M Op-Amplifier Layer jump monitor (FE signal reversal, LPF)
IC6 LA6393M Comparator Layer jump monitor (window comparator)
IC7 L88MS05T 5V AVR For RF amplifier, pickup, and servo
IC8 LA6553 4chBTL driver Focus tracking actuator, thread loading motor driver
IC9 BD6661FV 3-phase motor driver For PWM driver spindle motor
IC10 NJU7096AR Op-Amplifier
Spindle servo (SPO) signal amplifier (LPF, gain rectifying)
IC11 SN74AHC1G08D AND gate RESET control
IC12 NJM2125F Op-Amplifier VC2(1.65V) buffer (voltage follower)
IC13 SN74AHC1G08D AND gate Clock ON/OFF control
IC14 CXD1867R Signal processing decoder IC
Functions for CD-ROM decoder, ATAPI I/F, AV decoder I/F, DVD
PLL, DVD error correction,Buffered Audio Play, and Subcode data
IC15 L88M33T 3.3V AVR Power supply for IC14
IC16 IS41C16256 DRAM EDO DRAM 4Mbit
IC17 SN74AHC2GU04H Inverter Clock oscillation for IC14,20, and buffer (33.86MHz)
IC19 SN74AHC1GU04D Inverter "HRES-" reversal
IC20 CXD3008Q Digital signal processing IC
Error correction for CD PLL and CD, digital serve (focus,
tracking, thread) function, automatic adjustment
IC21 L88MS05T 5V AVR Power supply for IC14,20 and digital systems
IC22 HD6433062G24XI Mechanism micom
IC23 BR24C04FV-W EEPROM Backup memory (coefficient and others)
Q1 MCH6101 DVD APC DVD laser amount control
Q2 MCH6101 CD APC CD laser amount control
Q3 2SB1295 DVD laser high-frequency
When Q5 base becomes Hi, Q3 comes ON.
Q5 DTC124EUA redundancy circuit SW
Q4 3LN01M DFT level conversion
Q6 3LP01M Layer jump monitor
Q7 DTC124EUA Layer gain SW
When the base becomes Hi, comes ON and sets the gain to Lo.
Q8 2SB1295
Thread movement detection circuit SW
When Q9 base becomes Hi, Q8 comes ON.
Q9 DTC124EUA
Q10 2SC4081 Layer jump control SW For Lo kick
Q11 2SA1576A
Layer jump control SW
For Hi kick
Q12 2SC4081 When Q12 base becomes Hi, Q11 comes ON.
Q13 DTC124EUA
IC20 power supply SW When Q13 base becomes Hi, Q27 comes ON.
Q27 CPH3105
Q14 2SB1295
Disc detection circuit SW When Q15 base becomes Hi, Q14 comes ON.
Q15 DTC124EUA
Q16 3LP01M FDCHG inverter FDCHG logic reversal
Q17 DTC124EUA HRES- inverter
Q18 DTC124EUA IC7 power supply SW When base becoes Hi, comes ON. AVR functions.
Q23 DTC124EUA
IC9 VCC SW
When Q23 base becomes Hi, Q24 comes ON. IC9 functions.
Q24 2SB1295
Q25 3LN01M MIRR level conversion
Q26 UMC2N IFSEL SW When base becoes Hi, comes ON.
●DVD UNIT (X37-1010-02)
Ref.No. Component name Application / Functions Operation / Conditions / Compatibility
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
19
●VIDEO U-COM (IC10:X14-634X-XX) HD6417040ACFI28
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function
Description of Processing
1 TEST1 I
Test mode setting1 for image quality adjustment
H: Normal
(Refer to separate sheet.) L: Test mode
2 TEST2 I
Test mode setting2 for image quality adjustment
H: Macro Vision OFF/L: Macro Vision ON
(Refer to separate sheet.)
(Effective when pin 1 [TEST1] is in test mode.)
3 Vss - GND
4 A0 O Address bus
5 A1 O Address bus
6 A2 O Address bus
7 A3 O Address bus
8 A4 O Address bus
9 A5 O Address bus
10 A6 O Address bus
11 A7 O Address bus
12 A8 O Address bus
13 A9 O Address bus
14 A10 O Address bus
15 A11 O Address bus
16 A12 O Address bus
17 A13 O Address bus
18 A14 O Address bus
19 A15 O Address bus
20 A16 O Address bus
21 Vcc - Power source
22 A17 O Address bus
23 Vss - GND
24 RAS O D-RAM RAS signal output
25 CASL O D-RAM CAS Low signal output
26 CASH O D-RAM CAS High signal output
27 Vss - GND
28 RDWR O D-RAM READ/WRITE signal output
29 A18 O Address bus (Need pulldown)
30 A19 O Address bus (Need pulldown)
31 WAIT I WAIT signal input (L64021) (Need pullup)
32 CLK_SEL O
PLL-IC clock mode selection signal output
for
A_DAC
H:16.9344MHz/L:36.864MHz
33 Vss - GND
34 RD O READ signal output
35 WDTOVF O Not used (Internally used)
36 WRH O Not used WRITE signal (High position)
37 Vcc - Power source
38 WRL O WRITE signal (Low position)
39 Vss - GND
40 CS_L64021 O Chip select (L64021)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
20
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function
Description of Processing
41 CS_ROM O Chip selection (ROM)
42 COPY I Copy write (CD-DA)
43 64021_INT I L64021 Interruption
44 SCLK I/O I2C I/F DATA (A_DAC,V_ENC)
When "H" input (Hi-Z)/
When "L" output
45 SDA I/O I2C I/F DATA (A_DAC,V_ENC)
When "H" input (Hi-Z)/
When "L" output
46 FE_CLK I F/E mechanism local I/F Clock input
47 BE_DATA O F/E mechanism local I/F Data output
48 FE_DATA I F/E mechanism local I/F Data input
49 SYS_CLK I Serial sync clock input (From TV/DVD syscon)
50 DVD_DATA O Slave data output (To TV/DVD syscon)
51 SYS_DATA I Master data input (From TV/DVD syscon)
52 D15 I/O Data bus
53 D14 I/O Data bus
54 D13 I/O Data bus
55 Vss - GND
56 D12 I/O Data bus
57 D11 I/O Data bus
58 D10 I/O Data bus
59 D9 I/O Data bus
60 D8 I/O Data bus
61 Vss - GND
62 D7 I/O Data bus
63 D6 I/O Data bus
64 D5 I/O Data bus
65 Vcc - Power source
66 D4 I/O Data bus
67 D3 I/O Data bus
68 D2 I/O Data bus
69 D1 I/O Data bus
70 D0 I/O Data bus
71 Vss - GND
72 XTAL - Oscillator (7.08MHz)
73 MD3 I Setting clock mode
74 EXTAL - Oscillator (7.08MHz)
75 MD2 I Clock mode setting
76 NC I Not used (Low fixed)
77 Vcc - Power source
78 MD1 I Operation mode setting
79 MD0 I Operation mode setting
80 PLLVcc - Power source for PLL
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
21
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function
Description of Processing
81 PLLCAP - Capacity for PLL
82 PLLVss - GND for PLL
83 NC I Not used
84 PWRON_RST I Power On Reset Input
85 L64021_DMAC I L64021 DMA Request detection
86 FE_REQ I F/E mechanism local I/F Front/End Data Request
87 L64021_PCM I L64021 AudioPCM detection
88 BUS_EN O ATAPI/AV I/F selection output H : ATAPI I/F / L : AV I/F
89 IC_RESET O MPEG-DEC./V-ENC reset output H : Normal / L : Reset
90 Vss - GND
91 ROM_WR I Flash-ROM Write mode H : Write mode / L : Normal
92 IF_SEL I ATAPI/AV BUS-SW Switching input H : AV I/F fixed input
93 NC I Not used
94 DEEMPH I CD-DA de-emphasis signal input
H : de-emphasis ON /
L : Normal (de-emphasis OFF)
95 DVD_TYPE I DVD destination input L : TV/DVD fixed input
96 TEST_MODE I Test mode identification input for design evaluation
H : Normal operation /
L : Test mode
97 AVss - analog GND
98 AMUTE_IN I Ext. Audio Mute input (Effective only for CD-DA)
H : Mute /
L : Normal operation (Mute OFF)
99 SYS_REQ I Sync initialization request (From TV/DVD syscon)
100 AVcc - Analog power source
101 Vss - GND
102 NC I Not used
103 Vcc - Power source
104 LOCK I Lock detection signal "H" fixed input
105 NC I Not used
106 A_MUTE O Audiomute output
H : Normal (Mute OFF) /
L : Mute
107 BE_REQ O F/E mechanism local I/F B/E Data Request
108 ADAC_RESET O A-DAC Reset output
H : Normal /
L : Reset
109 Vss - GND
110 DVD_REQ O Communication control response (To TV/DVD syscon)
111 NC I Not used
112 NC I Not used
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
22
MICROCOMPUTER'S TERMINAL DESCRIPTION
●SYSTEM U-COM (IC217:X14-634X-XX) uPD703035AGC-013-8EU
Pin Name I/O Function Description of Processing
1 SYSDATA O Drawing micom data output terminal
2 SHCLK O Drawing micom clock output terminal 1.5MHz
3 PLLCE O
Chip enable output terminal for Dot clock generation
4 PLLSDA O Data output terminal for Dot clock generation Set for 606 X
5 PLLSCK O Clock output terminal for Dot clock generation
6 EVdd - Connect to Vdd
7 EVss - Connect to Vss
8 BEEP O BEEP output terminal ( PWM ) 440Hz~2kHz
9 VMUTE O Image MUTE output terminal H : VMUTE ON
10 REMO I Remote control input terminal
11 DACS O DA converter chip selection output terminal
12 HSYNC I Horizontal sync signal input terminal Used for BRIGHT output counter clock
13 DADO O DA converter data output terminal
14 DACLK O DA converter clock output terminal
15 BRIGHT O BRIGHT Output terminal ( PWM ) Synced to SYNC_PWM and output
16 KS0 O Key scan 0 output terminal
Hi when scanning, Refer to Key matrix sheet
17 KS1 O Key scan 1 output terminal Hi when scanning
18 IC/Vpp - Connect to Vss
When writing to flash memory, 7.8V supplied
19 KR0 I Key return 0 input terminal H : Key ON
20 KR1 I Key return 1 input terminal H : Key ON
21 KR2 I Key return 2 input terminal H : Key ON
22 KR3 I Key return 3 input terminal H : Key ON
23 BUS_RX I IE-Bus data input terminal
24 BUS_TX O IE-Bus data output terminal
25 BUS_STBY O BUS driver control terminal L : Standby
26 RGBSW O Image switching terminal
H : DVD image L : TV, etc outside image
27 SYNCSW O Sync signal switching terminal L : Other than those below.
28 BUSMUTE O BUS audio mute output terminal H : MUTE ON
29 BUSGSW O Audio switching terminal (for GND) H : Relay ON L :Relay OFF
30 TOUCH I Touch input detection terminal H : Touch ON L : Touch OFF
31 RESET I Rest input terminal L : Reset
32 XT1 I Sub-clock connection 32.768kHz
33 XT2 - Sub-clock connection
34 REGC - Electrolytic condenser connection 1uF
35 X2 - Main clock connection 12.58MHz
36 X1 I Main clock connection
37 Vss - Connect to GND
38 Vdd - Connect to BU5V
39 CLKOUT O OPEN L : Output
40 SHRST O Drawing micom reset output terminal L : Reset
41 SHINI O Drawing micom continue ON output terminal L : Initial ON H : Continue ON
42 SHRDY I Drawing micom boot complete detection terminal
H : Boot complete, Need pulldown resister
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
23
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
43 SHCON O Drawing micom standby control terminal L : Standby transfer request
44 SHSTBY I
Drawing micom standby transfer complete detection terminal
H : Standby transfer complete, need pulldown registor
45 SYSCS O
Drawing micom data transmission request output terminal
L : With transmission request
46 SH_VMUTE I Image mute request detection terminal L : With image mute request
47 TOUCH_EN O Touch panel control enable terminal L : Touch key analysis forbidden
48 ILLUMI O ILLUMI output terminal H : ILLUMI turned on
49 NAVI O NAVI image output condition terminal H : NAVI image L : Other than above
50 LAMP O Lamp control terminal
H : Lamp turned on, Blink while monitor in operation
51 SRM_MO1 O Monitor mechanism motor control termininal1 Refer to monitor mechanism sheet
52 SRM_MO2 O Monitor mechanism motor control termininal2
53 DVD_RST O DVD micom reset output terminal L : Reset
54 VSELKEY I V.SEL Key L : key ON
55 BVdd - Connect to Vdd
56 BVss - Connect to Vss
57 NC O OPEN
58 NC O OPEN
59 MAS_REQ O
DVD micom data transmission request output terminal
L: With request
60 MDN O Wide mode switching terminal0
61 MDW O Wide mode switching terminal1 Refer to wide mode sheet
62 MDS O Wide mode switching terminal2
63 OFFREQ I OFFREQ detection terminal L:OFFREQ
64 SYSON O SYSON Control terminal H:SYSON
65 SYSOFF O SYSOFF Control terminal H:SYSOFF
66 PON O Peripheral power control terminal H : Power ON
67 OPENKEY I Open key input terminal L : Key ON
68 EJECTKEY I Eject key input terminal L : Key ON
69 SCRNKEY I Screen key input terminal L : Key ON
70 REFCON O Connect to Avref H : When using AD converter
71 AVdd - Connect to Vdd
72 AVss - Connect to Vss
73 AVref - Connect to REFCON
74 PHDET I Monitor mechanism AD input terminal Multi-tern sensor 0V(Close)~5V(Open)
75 AUTO_DIM I AD input terminal for Auto dimmer 0V(Dark)~5V(Bright)
76 DET33 I 3.3V-type power abnormality input terminal 2.5V or less: Abnormality
77 DET5 I 5V-type power abnormality input terminal 2.5V or less: Abnormality
78 DET65 I 6.5V-type power abnormality input terminal 2.5V or less: Abnormality
79 TEST I TEST mode terminal H : test mode ON
80 PARKING I Parking sensor input terminal H : Parking ON
81 SMALL I Small input terminal L : Small ON
82 DET84 I 8.4V-type power abnormality input terminal 2.5V or less: Abnormality
83 TYPE0 I Destination switching terminal 0
84 TYPE1 I Destination switching terminal 1 Refer to destination terminal sheet.
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
24
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
85 TYPE2 I Destination switching terminal 2
86 NC O OPEN
87 BUDET I BU detection terminal H : Power down
88 ACC I ACC detection terminal L : ACC ON
89 ONREQ I ONREQ detection terminal L : ONREQ
90 SHCS I
Drawing micom data transmission request detection termianl
L : With transmission request
91 DVD_REQ I
DVD micom data transmission request detection terminal
92 HLZSW I Monitor mechanism horizontal detection terminal L : Horizontal
93 SYNC_PWM I BRIGHT adjustment PWM input terminal Dropping edge interruption
94 DVD_DATA I DVD micom data input terminal Used when writing in flash memory
95 MAS_DATA O DVD micom data output terminal Used when writing in flash memory
96 DVD_CLK O DVD micom clock output terminal
Used when writing in 1.5MHz flash memory
97 FLASH I Pull down
98 EPSDA I/O EEPROM data input / output terminal Need to pull up registor
99 EPSCK I/O EEPROM clock input/output terminal Need to pull up registor
100 SHDATA I Drawing micom data input terminal
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
25
MICROCOMPUTER'S TERMINAL DESCRIPTION
●GRAPHIC U-COM (IC227:X14-634X-XX) HD6417041AFI28
Pin Name I/O Function Description of Processing
1 N.C. O Not used
2 N.C. O Not used
3 N.C. O Not used
4 N.C. O Not used
5 N.C. O Not used
6 Vss I GND
7 A0 O Address bus
8 A1 O Address bus
9 A2 O Address bus
10 A3 O Address bus
11 A4 O Address bus
12 Vcc I 5V Power source Connect to system micom SW5V
13 A5 O Address bus
14 Vss I GND
15 A6 O Address bus
16 A7 O Address bus
17 A8 O Address bus
18 A9 O Address bus
19 A10 O Address bus
20 A11 O Address bus
21 A12 O Address bus
22 A13 O Address bus
23 A14 O Address bus
24 A15 O Address bus
25 A16 O Address bus
26 Vcc I 5V Power source Connect to system micom SW5V
27 A17 O Address bus
28 Vss I GND
29 N.C. O Not used
30 N.C. O Not used
31 RAS O DRAM lower address strobe
32 CASL O DRAM low position column address strobe
33 N.C. O Not used
34 CASH O DRAM high position column address strobe
35 Vss I GND
36 RDWR O DRAM write strobe
37 A18 O Address bus
38 A19 O Address bus
39 A20 O Address bus
40 Vcc I 5V Power source Connect to system micom SW5V
41 A21 O Address bus
42 Vss I GND
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
26
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
43 RD O External device read out strobe
44 N.C. O Not used
45 SH_VMUTE O Image mute terminal H: Image mute ON
46 NTSC_PAL O NTSC{|PAL switching terminal H: NTSC L: PAL/SECAM
47 WRH O External device high position write strobe
48 WRL O External device low position write strobe
49 CS1 O Chip selection1 (Q2 internal register) L: Chip selection
50 CS0 O Chip selection0 (ROM) L: Chip selection
51 N.C. O Not used
52 N.C. O Not used
53 CS3 O Chip selection3 (SRAM) L: Chip selection
54 CS2 O Chip selection2 (VRAM) L: Chip selection
55 Vss I GND
56 N.C. O Not used
57 N.C. O Not used
58 N.C. O Not used
59 DACK O DMA transfer strobe for Q2 (Not used)
60 N.C. O Not used
61 Vss I GND
62 DREQ I DMA transfer request from Q2 (Not used)
63 Vcc I 5V Power source Connect to system micom SW5V
64 N.C. O Not used
65 N.C. O Not used
66 N.C. O Not used
67 N.C. O Not used
68 N.C. O Not used
69 SYSCS I Transmission request signal from system micom L: Transmission request
70 IRL I Interrupt request form Q2 L: Interrupt request
71 Vss I GND
72 SHCON I Graphic micom control terminal L: Graphic micom standby
73 D15 I/O Data bus
74 D14 I/O Data bus
75 D13 I/O Data bus
76 D12 I/O Data bus
77 Vcc I 5V Power source Connect to system micom SW5V
78 D11 I/O Data bus
79 Vss I GND
80 D10 I/O Data bus
81 D9 I/O Data bus
82 D8 I/O Data bus
83 D7 I/O Data bus
84 D6 I/O Data bus
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
27
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
85 Vcc I 5V Power source Connect to system micom SW5V
86 D5 I/O Data bus
87 Vss I GND
88 D4 I/O Data bus
89 D3 I/O Data bus
90 D2 I/O Data bus
91 D1 I/O Data bus
92 D0 I/O Data bus
93 Vss I GND
94 XTAL I Oscillation terminal connection terminal
95 MD3 I Operation mode control Mode setting : H fixed
96 EXTAL I Oscillation terminal connection terminal
97 MD2 I Operation mode control Mode setting : H fixed
98 NMI I Non-mass couple interruption Not used : H fixed
99 Vcc I 5V Power source Connect to system micom SW5V
100 N.C. O Not used
101 WAIT I WAIT cycle insert signal form Q2
102 MD1 I Operation mode control Mode setting : H fixed
103 MD0 I Operation mode control Mode setting : H fixed
104 PLLVcc I 5V power source for built-in PLL
105 PLLCAP I Capacity for built-in PLL
106 PLLVss I GND for built-in PLL
107 N.C. O Not used
108 SHRST I Reset terminal L: Reset condition
109 N.C. O Not used
110 N.C. O Not used
111 N.C. O Not used
112 Vcc I 5V Power source Connect to system micom SW5V
113 X_P O Switching output for touch input
114 X_G O Switching output for touch input
115 N.C. O Not used
116 Y_G O Switching output for touch input
117 Vss I GND
118 ANA63 I Analog input for Spe-Ana (63Hz)
119 ANA150 I Analog input for Spe-Ana (150Hz))
120 ANA330 I Analog input for Spe-Ana (330Hz))
121 ANA1k I Analog input for Spe-Ana (1kHz))
122 ANA3k I Analog input for Spe-Ana (3kHz))
123 ANA10k I Analog input for Spe-Ana (10kHz))
124 AVss I Analog GND
125 TOUCH_X I Touch data input terminal (X-coordinate)
126 TOUCH_Y I Touch data input terminal (Y-coordinate)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
28
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
127 AVref I Analog reference power supply Connect to system micom SW5V
128 AVcc I 5V Power source Connect to system micom SW5V
129 Vss I GND
130 SYSDATA I Data input line from system micom
131 SHDATA O Data output line from system micom
132 SYSCLK I Clock input line from system micom
133 N.C. O Not used
134 N.C. O Not used
135 Vcc I 5V Power source Connect to system micom SW5V
136 SHSTBY O Notice line for standby transfer complete H: Standby transfer complete
137 TOUCH O Notice line for touch panel ON H: Touch panel ON
138 SHCS O Transmission request signal for system micom
139 N.C. O Not used
140 SHRDY O Notice line for communication ready H: Communication ready
141 Vss I GND
142 N.C. O Not used
143 TOUCH_EN I Permission line for touch key analysis L: Permission for touch key analysis
144 SHINI I Initial start control line L: Initial start (When reset)
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
29
MICROCOMPUTER'S TERMINAL DESCRIPTION
●TU-SYSTEM U-COM (IC31:X25-862X-XX) µPD784215GC-206
Pin Name I/O Function Description of Processing
1 OFF_REQ_P I BUS off Request L: BUS OFF
2 ON_REQ_P I BUS on Request L: BUS ON
3 NC O Not used
4 ILL_ON O ILLUMI output terminal H : ILL ON
5 A O Not used
6 NC O Not used
7 NC O Not used
8 NC O Not used
9 Vdd - Main power input
10 X2 - Main system clock oscillation terminal
11 X1 - Main system clock oscillation terminal
12 Vss - GND terminal
13 XT2 - Sub system clock oscillation terminal
14 XT1 - Sub-clock input
15 RESET I Reset input L: RST
16 NC O Not used
17 R_CLK I RDS clock input
18 REQC I handshake request from changer L: Request
19 BRST_P O IE-Bus reset L: RST
20 BCS_P O IE-Bus chip select L: CS
21 BCD_P O IE-Bus Command/Data H: Control mode, L: Read-Write mode
22 BIRQ_P I IE-Bus IC request
23 AVdd - Analog power source for A/D
24 AVref0 - Reference voltage input for A/D
25 PHONE I PHONE detection NAV2.5V↑, PHONE1V↓
26 NC I Not used
27 NOISE I FM noise detection A/D input
28 SMETER I FM Smeter detection A/D input
29 NC I Not used
30 NC I Not used
31 IF_MODE I IF condition detection for K21 Reading port
32 NC I Not used
33 AVss - A/D GND terminal
34 NC O Not used
35 NC O Not used
36 AVref1 - Reference voltage input for D/A
37 BDIC_P I Bus IC data input
38 BDCOM_P O Bus IC data output Maintain last
39 BCLK_P O Bus IC clock out
40 DATAC I Data line from changer
41 DATAH O Data line to changer
42 CH_CLK I/O Clock line with changer Input port while changer control is OFF
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
30
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
43 REQH O Handshake request to changer L: REQ request
44 BEEP O BEEP output Not used at final level
45 PLL_CE_P O CE to PLL
46 PLL_DATA_P I/O Data input/output with PLL
47 PLL_CLK_P O Clock to PLL
48 CHCON O Changer control H: CHCON ON
49 NC O Not used
50 NC O Not used
51 NC O Not used
52 NC O Not used
53 TEST_IN I "H" & Reset→TEST MODE start H: TEST MODE
54 NC O Not used
55 NC O Not used
56 QUAL_P I RDS quality H:GOOD Signal quality indication
57 R_DATA_P I RDS data input
58 RELAY_P O MX-Bus Audio control H: Own source, L: other source
59 DSP_SW_P O DSP control H: With, L: Without
60 NC O Not used
61 NC O Not used
62 FMSD_P I FM Sd input H: Receiving
63 NC O Not used
64 AFC_P O Constant switched when detecting noise H: Normal reception, L: Seek/Search
65 NC O Output open
66 WIDE_P O K2I Force wide output
67 NARROW_P O K2I Force narrow output
68 AM+B O AM Power supply H: AM+B ON
69 FM+B O FM Power supply H: FM+B ON
70 DIVER_P O Diversity control
71 NC O Output open
72 Vss - GND terminal
73 TYPE1 I Destination setting
74 TYPE2 I Destination setting
75 IC2_TYPEO_P I IC 2 Destination terminal 0
76 IC2_TYPE1_P I IC 2 Destination terminal 1
77 TEST_IC2_IN I "L" & Reset→TEST MODE start
78 NC O Not used
79 FE_ADJ_OK_P O F/E Adjustment OK
80 NC O Not used
81 Vdd - Power source input
82 P_STBY_P O Power IC standby L: S TBY OFF, H: STBY ON
83 SVR_P O Power IC reset H: SVR ON (Discharge), L: SVR OFF
84 TEST_MODE_P O TEST mode →Low H: MUTE ON, L: MUTE OFF
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
31
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Function Description of Processing
85 P_MUTE_P O Power IC mute
86 ANTC_P O Antenna control H: ANT-CON ON
87 EXT CON O Amplifier control
88 DIMMER_P I Small detection L: Small detection
89 P_CON_P O Power control H: P-CON ON
90 ACC_P I ACC Detection L: ACC Detection
91 NC O Not used
92 P_ON_P O Micom peripheral power supply H: P-ON
93 BU_DET_P I BU detection L: Power down detection
94 TEST - TEST L: Normal H: Flash writing
95 IC2_SDA I/O I2C bus data
96 IC2_SCK O I2C bus clock
97 MUTE O Mute
98 NC O Not used
99 SYS_OFF_P O Bus off output L: BUS OFF
100 SYS_ON_P O Bus on output L: BUS ON
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
32
MICROCOMPUTER'S TERMINAL DESCRIPTION
●TV-TUNER U-COM (IC78:X25-862X-XX) uPD703035AGC-014-8EU
Pin Name I/O Function Description of Processing
1 TV_MUTE O Screen mute during TV seek H : MUTE ON
2 IIC_SCL I/O IIC clock input/output (Need to pull up registor)
3 NC O Open
4 AM_FM O Audioswitching in France
Hi-Z : FM, L : AM(FRANCE) (Used as N-ch O/D)
5 AMUTE O Audiomute output for AV-OUTselector H : AMUTE ON
6 EVdd - Connect to Vdd
7 EVss - Connect to Vss
8 NC O Open
9 NC O Open
10 NC O Open
11 NC O Open
12 PLLENB O PLLdata enable output (with out E, W type)
13 PLLDATA O PLLserial data output (with out E, W type)
14 PLLCLK O PLL serial clock output (with out E, W type)
15 E_VOL O NAVI interrultion volume control output PWM output (about 30kHz)
16 NC O Open
17 NC O Open
18 IC/Vpp - Connect to Vss (Need pull-down registor)
When writing to flash memory, 7.8V supply
19 NC O Open
20 NC O Open
21 BUS_MUTE O Audiomute output for MZ-BUS H : MUTE ON
22 BUS_G_SW O MZ-BUS Relay control ouput
H :Relay ON (own source)
L : Relay OFF (other source)
23 IERX I IEBus data input
24 IETX O IEBus data output
25 BUS_STBY O BUS driver control ouput L : standby
26 NC O Open
27 NC O Open
28 NC O Open
29 NC O Open
30 NC O Open
31 RESET I Reset input L : Reset
32 NC I Connect to Vss
33 NC - Open
34 REGC I Connect electrolytic condenser 1uF
35 X2 - Connect system clock 12.58MHz
36 X1 I Connect system clock
37 Vss - Connect to GND
38 Vdd - Connect to BU5V
39 NC O Open
40 M_S O Main/Sub Audioswitching (J type only) H : MAIN L : SUB
41 DK O IF switching (E, W, H, M, C, X type) H : DK AREA
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