Philips LC8.1E - DC;DC converters; Front-End

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 60 LC8.1E LB9.
Figure 9-5 32” PSU interface diagram
9.2.2 42" sets
Figure 9-6 42” PSU connectivity
Figure 9-7 42” PSU block diagram
Figure 9-8 42” PSU interface diagram
9.3 DC/DC converters
On-board DC-DC converters convert the +12 V coming from
the PSU and deliver the following voltages:
• +3.3 V(+3V3_STBY)
• +1.8 V(+1V8_SW)
• +5 V (+5V_SW)
• +3.3 V (+3V3_SW)
• +2.5 V (+2V5_SW)
• +3.3 V (+3V3_SW_TDA)
• +1.8 V (+1V8_SW_ADC)
• +33 V (+VTUN_33V)
• +8 V (+8V_SW)
The following diagram shows the power supply architecture of
the SSB:
Figure 9-9 Power Supply Architecture
9.4 Front-End
This chassis uses the UV1316E analogue tuner.
X416
X419
TO SSB
X418
X413
TO INVERTER (Right)
Pin1
Pin14
AC INPUT
X001
LN
Pin1
Pin12
Pin1
Pin1
Pin11
Pin8
TO INVERTER (Left)
24Vinv
24Vinv 24Vinv
24Vinv
24Vinv
GND3
GND3
GND3 GND3 GND3
NC NC
24Vinv
24Vinv
24Vinv
24Vinv
24Vinv
GND3
GND3
GND3
GND3
GND3
Vbri
On/Off
PWM
PDIM_Select
3V3 stdby
Standby
GND1
GND1
GND1
+12V
+12V
+12V
+12V (audio)
GND2 (audio)
-12V (audio)
+12V
+12V
GND1
GND1
BL_ON_OFF
DIM
Boost
Analog/PWM dimming
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Vin_AC: 196V ~ 264V
X403
X402
X416
X419
X001
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AC INPUT
TO PANEL
TO SSB
-12V (audio)
GND2 (audio)
+12V (audio)
+12V
+12V
GND1
GND1
GND1
Standby
3V3 stdby
GND1
X416
Analog/PWM dimming
+12V
Boost
+12V
BL_ON_OFF
DIM
GND1
X419
X403
X402
X001
LN
Pin1
Pin11
Pin1
Pin8
+12V
Left Right
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