Akai LCT3285TAJ, Service Manual

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5.3 INVERTER UNIT
CN1(Header):S10B-PH-SM3-TB(D)(LF)(JST) or equivalent.
Pin No. Symbol Description
1
2
3
4
5
VBL +24V Power input
6
7
8
9
10
GND Ground
CN2(Header): S12B-PH-SM3-TB(D)(LF)(JST) or equivalent..
Pin No. Symbol Description
1
2
3
4
VBL +24V Power input
5
6
7
8
GND Ground
9 SEL
Internal/external PWM selection
High : external dimming
Low : internal dimming
10 E_PWM
External PWM control signal
E_PWM should be connected to low when internal PWM was selected (SEL =
low).
11 I_PWM
Internal PWM control signal
I_PWM should be connected to ground when external PWM was selected (SEL =
high).
12 BLON Backlight on/off control
CN3-CN10(Header): SM02(8.0)B-BHS-1-TB(LF)(JST) or equivalent.
Pin No. Symbol Description
1
CCFL HOT CCFL high voltage
2
CCFL HOT CCFL high voltage
CN11(Header): S2B-ZR-SM3A-TF(D)(LF)(JST) or equivalent
Pin No. Symbol Description
1
CCFL COLD CCFL low voltage (+)
2
CCFL COLD CCFL low voltage (-)
Note (1) Floating of any control signal is not allowed.
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