12
DDX6027/6027Y/7017
DDX7037/7047/7067
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q55
A8V oversupply SW
Comes ON when SW14V is ON
Q58
For BU5V power supply
Q59
A8V power supply
BU14V
→
8V for audio is supplied
Q61
V5V power supply SW
Comes ON when SW14V is ON
Q62
SW5V power supply SW
Comes ON at P-ON
Q63
For SW5V power supply
BU5V
→
SW5V is supplied
Q64
For V5V power supply
BU14V
→
5V for video is supplied
Q65~70
For
±
9V power supply
Q150
SVR6.8V, audio 3.3V,
Comes ON when SW14V is ON
IC150 power supply SW
Q151
For SVR voltage reduction control
Electric current control of SVR voltage reduction circuit
Q152
SVR6.8V, audio 3.3V, IC150 power supply
Power supply to IC150, voltage supply to Q151
Q200
For audio muting
Audio muting of pre-out front right channel
Q201
For audio muting
Audio muting of pre-out front left channel
Q202
For audio muting
Audio muting of pre-out rear left channel
Q203
For audio muting
Muting at momentary power down, resetting, and audio mute timing
Q204
For audio muting
Audio muting of pre-out rear right channel
Q205
For audio muting
Audio muting of pre-out center channel
Q206
For audio muting
Audio muting of pre-out sub-woofer channel
Q207
For audio muting
Audio muting of AVOUT right channel
Q208
For audio muting
Muting at momentary power down, resetting, and audio mute timing
Q209
For audio muting
Audio muting of AVOUT left channel
Q250
AM power supply SW
Comes ON when AM source is selected.
Q252
For AM power supply
Audio 8V is supplied when AM source is selected.
Q403,404
SW for audio selector control
Converts IC413
µ
-com controlled terminal voltage: 5V
→
8V
Q405,406
SW for audio selector control
Converts IC414
µ
-com controlled terminal voltage: 5V
→
8V
Q500
For reversing resetting signal voltage
Reverses signal in order to obtain resetting signal for TV tuner
●
VIDEO UNIT (X35-458/459x-10)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
Inverter control IC
Control and drive of inverter circuit for backlight
IC101
DC/DC converter IC
±
12V power supply for VCOM amp, -12.0V/+18.5V LCD power supply
IC203
VCOM amp
VCOM signal amplification amp
IC300
Three states buffer
Start pulse switching SW
IC301
Timing controller IC
LCD module control
IC302
AND
V.SYNC delay buffer
IC303
PLL LPF
LPF for PLL control (VT voltage control)
IC601
Remote controller light receptor IC
Remote controller light receptor
Q1
Dimmer SW
ON/OFF control signal of PWM and put on dimmer on backlight
COMPONENTS DESCRIPTION