Kenwood KVT-719DVD Service Manual page 9

Ref. No. Application / Function
Q101 SW
Q103,106
SW
Q108,111
Q104 SW
Q105 SW
Q109 SW
Q110 SW
Q201 SW
Q203 SW
Q204,205 SW
Q206,207 SW
Q208~210 SW
Q301 Buffer
Q304 Buffer
Q305 MUTE
Q306 Buffer
Q307 Buffer
Q308 Buffer
Q309 Buffer
Q401 Buffer
Q501 MUTE
Q502 MUTE
Q503 SW
Q504 Buffer
Q508 Buffer
● SWITCH UNIT (X16-3920-10)
Ref. No. Application / Function
IC201 Remote controller photoreceptor
Q101 For switching DSI signal
Q206 For switching LED
● ELECTRIC UNIT (X34-475x-xx)
Ref. No. Application / Function
IC61 3 terminal regulator
IC71 3 terminal regulator
IC101 Pin 100 µ-com
IC102 Voltage detection IC
IC104 Logic IC (AND)
IC105 Serial and parallel conversion IC
IC106 Logic IC (AND x 4)
COMPONENTS DESCRIPTION
DC-DC output voltage switching
DC-DC protection control
DC-DC SW FET (5V or 8V)
DC-DC SW FET (5V)
DC-DC SW FET (3.3V)
DC-DC SW FET (5V)
µ-com reset SW
KEY RESET
LED SW (Red)
LED SW (Green)
TDF power supply SW
Composite signal
VCOM
IC301 SYNC OUT MUTE
RGB Signal_R
RGB Signal_G
RGB Signal_B
HSY SYNC
Graphic SYNC
DVD MUTE (Lch)
DVD MUTE (Rch)
DVD MUTE control
SPDIF signal
Remote control signal
Remote controller photoreceptor
DSI signal control
Switch LED_Red or LED_Green
V5V generation
Audio8V and Tuner8V generation
Primarily, audio board control
µ-com reset voltage (4.2V) monitoring
Remote controller data switching (REMO/WREMO)
Audio/Video selector control data output from µ-com
5V step-up for the signal data between the unit and BOX
KVT-719DVD/729DVD
/729DVDY/739DVD
Operation / Condition / Compatibility
Operation / Condition / Compatibility
Operation / Condition / Compatibility
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