Kenwood KVT-910DVD Service Manual page 4

KVT-910DVD/920DVD/930DVD/
(X25)
IC86
SW8V
IC87
L
2 ISO AMP.
TO MONITOR
M5280FP
R
IC83
L
2
ISO AMP.
M5280FP
R
AV IN2
V-IN2 COMP.
V
IC84
L
2 ISO AMP.
M5280FP
R
AV IN1
V-IN1 COMP.
V
DVD-VIDEO COMP
IC92 IC91
RGB
75 DRIVER RGB
AV I/F
NJM2267V SW
RGB
IC89
SW8V
L.R 2
ISO AMP.
NAVI I/F
M5280
MAIN-ANT SUB-ANT (J TYPE)
to
TV u-COM
P-ON5V
SW5V
SW8V
COMMON+B
FMDETOUT
AMDETOUT
22K
to
SYSTEM u-COM
22K
FM+B.AM+B
FM+B
22K
FM/AM F/E
22K
AM+B
DTC124EU
RDSOUT
IC62
IC61
NOISE AMP
RDS
NJM4565
to
DEMODULATER
3
SYSTEM u-COM
TDA7479D
(E,M,H,C) TYPE
(E,K,M,) TYPE
940DVD/960DVD
BLOCK DIAGRAM
Ffrom X86 TV
MUTE
TV8V
2
2
IC60
1,200mV
SW8V
IC88
X86 UNIT E-VOL.
RGB
M5222FP
IC55
IC2-
MPX/E-VOL
TDA7400D
FM: 400mV(J,K)
FM: 400mV(E,M,H,C)
MPX
AM
AM: 160mV(J,K)
AM: 180mV(E,M,H,C)
3 to
PLL
SYSTEM u-COM
IC54 IC56
TC4W66F TC4W66F
2
FM: 630mV
AM: 230mV
SW8V
MZ-BUS
4.33MHz CONNECTOR
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD
LEVEL : VOL.MAX
5L CONNECTOR
FM : (1kHz 75k DEV.60dBuEMF)J,K TYPE
+9.9V
-9.1V
: (1kHz 40k DEV.60dBuEMF)E,M,H,C TYPE
AM : (400Hz 30%MOD.74dBuEMF)
2
7
CHCON
to
REQH
ISO AMP.
REQC SYSTEM uCOM
M5280FP
DATAC
TVBU5V
DATAH
CHCLK
MUTE
IC78
to AMUTE
IC79
TXD
NAVI I/F
RXD
RGBSW PST9137NR
TV uCOM
703035AGC-014
2
TVSCL
TVSDA
E-VOL
IC74
BUFFER 2
NJM4565V
IC51
,
SYSTEM E s +
SW8V
H.P.F
TDA7401
NON FADER
2 ACR, ACR
ACOUTL
FRONT
ACOUTR
REAR
OUTFL
OUTFR
OUTRL
OUTRR CD, DVD: 1,750mV
IC40,41
FM: 760mV(K,J TYPE) / 520mV(E,M,H,C TYPE)
AM: 280mV(K,J TYPE) / 360mV(E,M,H,C TYPE)
SW
OPAMP
4
3
2
MUTE
CD,DVD :
1,200mV
SW8V
BU5V
IC42,43
BUFFER ISO AMP.
IC30
NJM4565M NJM4565M
IC57,58
4
BUS+ 4 BUS DRIVER
BUS- UPD72042BGT
BUS ON
BUS OFF
5 6
CD, DVD:4,200mV
FM: 1,800mV(J,K)/1,250mV(E,M,H,C)
AM: 700mV(J,K)/900mV(E,M,H,C)
RST IC
+9.9V -9.1V
IC72,73,80
2 NFL,NFR
2 EFL,EFR PRE AMP.
MUTE
NJM4565M
x3
2 ERL,ERR
IC65,66
14.4V
IC50
FRONT L/R
BU4066BF
(AFL,AFR)
MUTE
POWER AMP.IC
14.4V
REAR L/R
45Wx4CH
(ARL,ARR)
MUTE
BU4066BF
2ZONE/NAVI SELECT
IC34
E2PROM
BR24C01AF to 5L CONNECTOR
7
IC31
+B DET
2
MUTE P MUTE
PCON
MUTE
DRIVER
FM+B
AM+B
SYSTEM uCOM
RST IC 784215GC206
RST
PST9130NR
7
IC32
4 3
BU5V to RDS to F/E
NONFADING L
2
NONFADING R
2 FRONT LEFT
FRONT RIGHT
2 REAR LEFT
REAR RIGHT
FL+
4 4
FL-
FR+
FR-
4 RL+
RL-
RR+
4
RR-
+B
ACC
PCON PCON
ANTCON
LMUTE
ILL
GND
to F/E
ILL
ILL
DET
BU
BU
DET
ACC
ACC
DET