Kenwood KVT-819DVD, Руководство по обслуживанию

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KVT-819DVD/829DVD
/829DVDY/839DVD
Ref. No. Application / Function Operation / Condition / Compatibility
Q53,54 Transistor SW5V circuit
Q61,62 Transistor Vedeo5V circuit
Q70~72 Transistor Audio8V and Tuner8V generation
Q81~85 Transistor Relay SW1 output, and over current detection circuit
Q91~95 Transistor Relay SW2 output, and over current detection circuit
Q101 Transistor µ-com reset circuit
Q102,103 Transistor TV reset circuit
Q104,105 Transistor DET MUTE circuit (Trigger Reset)
Q107 Transistor DET MUTE circuit (Trigger X14Bu-DET)
Q251,252 Transistor On when AM (Tuner8V)
Q351 Transistor Pre-OutMute Mute transistor (FL)
Q352 Transistor Pre-OutMute circuit (Front, Rear)
Q353 Transistor Pre-OutMute Mute transistor (FR)
Q354 Transistor Pre-OutMute Mute transistor (RL)
Q355 Transistor Pre-OutMute Mute transistor (RR)
Q356 Transistor Pre-OutMute Mute transistor (SUB L)
Q357 Transistor Pre-OutMute circuit (SUB)
Q358 Transistor Pre-OutMute Mute transistor (SUB R)
Q359 Transistor Pre-OutMute Mute transistor (AV-OUT L)
Q360 Transistor Pre-OutMute circuit (AV-OUT)
Q361 Transistor Pre-OutMute Mute transistor (AV-OUT R)
Q802~808 Transistor Sync separation circuit of BCAME, AVIN1, and AVIN2
Q809 Transistor Current amplifi cation and buffer for ROUT
Q810 Transistor Current amplifi cation and buffer for GOUT
Q811 Transistor Current amplifi cation and buffer for BOUT
Q813 Transistor For ROUT MUTE
Q814 Transistor For GOUT MUTE
Q815 Transistor For BOUT MUTE
Q901,
Q903~910
Transistor Power supply for Pre-Out amplifi er Circuit to generate ±9V
Q923~927 Transistor Circuit to generate the midpoint potential for Power AMP IC
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VIDEO UNIT (X35-4710-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 Inverter control IC Control and drive of the inverter circuit for the back light
IC101 DC/DC converter IC +12.5V power supply for VCOM amplifi er (Gamma IC) and -12.0V/+18.5V power supply for LCD
IC102 Mono-multi Delay 5V power supply for DC/DC IC
IC103 NOT Reverse
IC301 Serial/parallel conversion Extension of µ-com port
IC302 AND Buffer to delay V.SYNC
IC303 PLL LPF LPF for PLL control (VT voltage control)
COMPONENTS DESCRIPTION