Kenwood KVT-915DVD Service Manual page 10

KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
QQ
3 7 63 1515 0
Ref No. Application / Functions
Q1 Dimmer SW
Q2,3 Inverter driver
Q5 AVR
Q201~203 VCOM driver
Q301 VCO
Q501 Touch panel Y1 switch
Q502 Touch panel X0/Y1 switch
Q503 Touch panel X1/Y0 switch
Q601 SW
TUNER UNIT (X86-367x-xx)
Ref No. Application / Functions
IC1 Video switch
IC2 Diversity antenna IC
IC3 DC/DC converter
IC101 VIF/SIF IC
IC102 VIF/chroma IC
IC201 AM demodulator IC
IC202 Noise chancellor
TE
L 13942296513
IC203,204 OP amp
Q1 SW
Q2,3 SW
Q4,5 Buffer
Q101~103 Buffer
Q104~106 SW
Q107 SW
Q108,109 Buffer
Q111 Buffer
Q112 Buffer
Q113 Buffer
Q114~116 Buffer
Q117 SW
Q118 SW
Q119 SW
Q201 SW
Q202 SW
www
.
10
COMPONENTS DESCRIPTION
On and off is carried out with the control of PWM signal, and dimmer for LCD back light
Drive for inverter circuit
5V output for inverter control IC
VCOM signal buffer
PLL oscillator
Y0 (X0) SW Y (X) axis input data : ON, X (Y) axis input data : OFF
Y1 SW Y axis input data : ON and impressed voltage
X1 SW Detect to touch panel or X axis data input : ON and impressed voltage
OPEN/CLOSE key illumination blinking switch
Video signal selector for diversity antenna (for E type)
Select for antenna unit for electric field intensity
AVR (30V)
VIF demodulator, SIF demodulator (for E type is diversity antenna)
VIF demodulator (for E type), chroma processor
SIF (AM) demodulator (E type)
Noise chancellor, TV multiplex demodulator
LPF+amp
Video selector (NTSC/PAL/SECAM)
Select for input SAW filter
IF buffer
Video signal buffer
Xtal oscillator select switch
IF select switch
Generate for H-sync pulse
RGB video signal buffer (R)
RGB video signal buffer (G)
RGB video signal buffer (B)
Video buffer
RGB muting switch (R)
RGB muting switch (G)
RGB muting switch (B)
Audio muting switch (L)
Audio muting switch (R)
x ao u163
y
i
2 9
8
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9