Supply Lines Overview - Philips LC7.1HE LA Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Supply Lines Overview

SUPPLY LINES OVERVIEW
B02 DC-DC
+5V_STANDBY
7 7
+12V_DISP
8 8
-AUDIO_POWER
1 1
+AUDIO_POWER
2 2
+5V_STANDBY
4 4
4C57÷4C60
5 5 +5V_SW
7B02
6 6 RES
+3V3_STBY
7 7 IN OUT
COM
8 8
+5V_SW
9 9 7B05
STANDBY
B04A
ONLY FOR LCD
7B04
SUPPLY +3V3_SW
IN OUT
COM
7B06
+3V3_MOJO
IN OUT
COM
7B08
+1V2_MOJO
IN OUT
COM
6B03
5B06 +VTUN
(34V)
7B03
3B13
7B01
5B03 5B02 +1V8S_SW
3 1
STEP
DOWN
REG.
7
1
2
TO CN5
ATSC
3
1080P
4
1
2
TO 1209
HC
3
iBOARD
4
LC7.1HE LA 6.
B03A TUNER IF & DEMODULATOR
+3V3_SW +3V3_SW
B02
+5V_SW +5V_SW
B02
3133
B04a,b,c 5114 +5VS
3134
5115 +5V_IF
+VTUN +VTUN
B02
B07
ONLY FOR ANALOG TV
B07
+12V_DISP +12V_DISP
B02
B04a
B03B DVB-DEMODULATOR
B04a,B06d
+1V8S_SW +1V8S_SW
B02
B03a,b,c,e,
+3V3 +3V3
B04c, B03f
B06a,b,c,d
5F10 +3V3FE
+5V_SW +5V_SW
B02
(RESERVED)
B03a,f,B04a,b,
B06c
B03C DVB-COMMON INTERFACE
+3V3 +3V3
B03f
B03f
5K03 +3V3_STV
5K04 +3V3_CORE
B03d
5K05 +3V3_BUF
B03a
+5V_SW +5V_SW
B02
7K05
PCMCIA_5V
IN OUT
COM
5K01 PCMCIA_AVCC
5K02
B03b,B04b PCMCIA_VPP
(RESERVED)
B03D DVB-MOJO
+1V2_MOJO +1V2_MOJO
B02
+3V3 +3V3
B03f
5G04 +3V3_VDDP
+3V3clean
+3V3clean
B03f
B03E DVB-MOJO MEMORY
+3V3 +3V3
B03f
5H02
+3V3_NOR48
+5V_SW +5V_SW
B02
(RESERVED)
B03F DVB-MOJO ANALOF BACK END
+3V3_MOJO +3V3_MOJO
B02
5JO1
+3V3clean
7J04 +3V3
IJ01
+1V8S_SW CONTROL
(RESERVED)
39
B04A
MICROPROCESSOR
+12V_DISP
+12V_DISP
B02
+3V3_STBY
+3V3_STBY
B02
B02
+3V3_SW
+3V3_SW
B02
+5V_STANDBY
+5V_STANDBY
B02
1M20
3L10
5304
5 1103
HC01
iBOARD
B02
B04B VIDEO PROCESSOR
B02
+1V8S_SW +1V8S_SW
B02
3244
CX_PAVDD1
3248
CX_PAVDD2
5224 CX_PDVDD
5226 CX_PAVDD
5220
CX_AVDD_ADC1
B02
5222
CX_AVDD_ADC2
B02
5225 CX_AVDD_ADC3
5227
CX_AVDD_ADC4
+3V3_SW +3V3_SW
B02
B02
5219 CX_AVDD3_BG_ASS
5223 CX_AVDD3_OUTBUF
5218 CX_AVDD3_ADC1
5221 CX_AVDD3_ADC2
B02
+12V_DISP +12V_DISP
B02
5215
VDISP
7210
1G51
5217
1 1G51
7208 F3
LCD_PWR_ON 1080P
CONTROL B04A
ONLY FOR LCD
HC02
B04C AUDIO PROCESSOR
HC02
HC02
+12V_DISP +12V_DISP
B02
1M20
J
4401
+AUDIO_POWER_+12V_DISP
IR/LED
7410 1M20
B4A
+8V
IN OUT SSB
COM
+5V_SW +5V_SW
B02
3402
5401 +5V_D
5402 +5V_AUD
X405
A
SUPPLY
B06A YPBPR & REAR IO
+5V_SW +5V_SW
B02
1312
B4A
SSB
B03d
B03b,c,d
B06B IO - SCART 1 & 2
SI SYSTEM INTERFACE
1300
1207
6
HC02
+5V_SW +5V_SW
iBOARD
1304
1
3
1003
B06C HDMI
DC01
5
DC
+3V3_SW +3V3_SW
DC01 DUAL DC CONV
+5V_SW +5V_SW
1810
HDMI 1003
+5VHDMI_A
18
CONNECTOR-1 +12VB
1
1811
HDMI
+5VHDMI_B
18
CONNECTOR-2
1304
B06D HEADPHONE AMP & MUTING SI 3
SI
5
+3V3_STBY +3V3_STBY
+5V_SW +5V_SW
J IR/LED/LIGHT-SENSOR
1M20
1103
+5V_STANDBY
5
B07 AUDIO HC01
iBOARD
+AUDIO_POWER +AUDIO_POWER
3A01
VDDA
5A05 VDD
5A07 4A01 +AUDIO_POWER_+12V_DISP
RES
-AUDIO_POWER -AUDIO_POWER
3A02
VSSA
5A06 VSS
HC01
IBOARD
+5VA +5VA
+12V +12V
+5VB +5VB
1103 1103
12 12
+5VSTBY
5 5
1810
VGA
DDC_5V
18
CONNECTOR
HC02 IBOARD
1209
1 +12V
HC01
1105
+12VA
1207
1300
1.85A
1
SI
SYSTEM
1205
INTERF.
+5V
4
5203
+5VA
HC01
5202 +5VB
HC01
7200 +3.3V
+12V
3339
+5VA
+5V
+3.3V
7000
5000 5001 5002
+5V
IN OUT
COM
7001
5004 5005
5003 +3.3V
IN OUT
COM
+5V_STANDBY
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