Kenwood KVT-910DVD Service Manual page 15

GTUNER UNIT (X86-323X-XX)
Ref.No. Component name
IC1 BA7652AF
IC2 CM0018AM
IC3 BA6161F
IC101 AN5186FB
IC102 TDA8842H
IC201 TDA9830T
IC202 AN5281SC
IC203 NJM4565M-TE2
IC204 NJM4565M-TE2
Q1 DTA114EUA
Q2 DTC124EUA
Q3 DTC143TUA
Q4 2SC2714(Y)
Q5 2SC2714(Y)
Q101 2SC4081
Q102 2SC4081
Q103 2SC4081
Q104 DTC 124EUA
Q105 DTC 124EUA
Q106 DTC 124EUA
Q107 DTC 124EUA
Q108 2SC4081
Q109 2SC4081
Q110 2SC4081
Q111 2SC4081
Q112 2SC4081
Q113 2SC4081
Q114 2SC4081
Q115 2SC4081
Q116 2SA1576A
Q117 DTC144EUA
Q118 DTC144EUA
Q119 DTC144EUA
Q201 DTC144EUA
Q202 DTC144EUA
KVT-910DVD/920DVD/930DVD/
COMPONENTS DESCRIPTION
Application / Functions
VIDEO SW
TV diversity IC
Switching regulator IC
VIF/SIF IC for TV
VIF/chroma IC for TV
AM detection IC
NC/MPX
OP-amplifier
OP-amplifier
Switch
Switch
Switch
Amplifier
Amplifier
Buffer
Buffer
Buffer
Buffer
Switch
Switch
Switch
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Mute
Mute
Mute
Switch
Switch
940DVD/960DVD
Operation / Conditions / Compatibility
For switching diversity VIDEO signal
Switching control of TV antenna
For TV tuner 30V
VIF detection, SIF detection
VIF detection, Chroma processing
SIF (AM) detection
MPX function only for J-type only
15kHz LPF
15kHz LPF
Diversity IC VIDEO MODE switching
SAW filter input IF switching
SAW filter input IF switching
SIF AMP
VIF AMP
Image signal buffer for diversity
Image signal buffer for diversity
Image signal buffer
SW for crystal
SW for crystal
SW for crystal
VIF detection frequency switching for diversity
H-sync pulse creation
H-sync pulse creation
Sync signal buffer
RGB signal buffer
RGB signal buffer
RGB signal buffer
Image signal buffer
Image signal buffer
Image signal buffer
RGB signal mute
RGB signal mute
RGB signal mute
f-characteristic control when detecting multi-path.
f-characteristic control when detecting multi-path.
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