Philips LC4.41E, Руководство по обслуживанию

Страница: 26 / 108

26 LC4.41E AA 6. Block Diagrams, Test Point Overviews, and Waveforms
Supply Voltage Overview
B12
B1 8
B6
B6
B16
TOP CONNECTOR S B1
TUNER & IF
B2 HERCULE S
B 3
S YNC INTERFACE
B4
AUDIO DELAY LINE
(FOR PDP S ET S ONLY)
B5
AUDIO PROCE SS ING
B7
S CALER
B 8
S CALER
B10
S DRAM
B11
FLA S H / CONTROL
B12 HDMI
B1 3
MUX- S YNC INTERFACE
B14
DIGITAL IO
B15A
S CART ANALOG IO
B1 8
ADC
B19
COLUMBU S
B20
PACIFIC 3
B6
DC-DC CONVERTER
B15B
DMMI
C2
AUDIO: CONNECTOR S
J
IR / LED / LIGHT- S EN S OR
T
OTC-FLA S H
(FOR 1000p g TXT)
B17
S IDE CONNECTOR S
B9
S CALER INTERFACE
C1
AUDIO: CONNECTOR S
S UPPLY LINE OVERVIEW
1
1J02
2
3
4
5
6
7
8
9
10
11
12 LAMP_ON_OFF
BACKLIGHT_CTRL
S TANDBY
POWER_DOWN
+ 3 V
3S TBY
VP
+12V S W
+5V S W +5V S W
+5V S W_ b
+5V S W_ a 5152
515 3
+ 3 V 3S TBY + 3 V 3S TBY
+1V 8 _A
+ 3 V 3S TBY + 3 V 3S TBY
+5V S W +5V S W
+ 8 V S W_TV + 8 V S W_TV
7215
3 265
7216-1
3 264
+1V 8 _B
7217
3 26 3
7216-2
3 262
+5V S W +5V S W
+ 3 V 3S TBY + 3 V 3S TBY
+ 3 V 3S W + 3 V 3S W
+5V S WI +5V S WI
+5VD
5501
+ 3 V 3S W + 3 V 3S W
+ 3 V 3S TBY + 3 V 3S TBY
+5V S W +5V S W
+5V +5V
+1V 8 _CORE +1V 8 _CORE
+2V5_DDR +2V5_DDR
+ 3 V 3S W + 3 V 3S W
+ 3 V 3 _IO + 3 V 3 _IO
+ 3 V 3 _PLL + 3 V 3 _PLL
+ 3 V 3S W + 3 V 3S W
+1V 8
3 V 3 _PLL 5900
3 V 3 _ADC 5901
3 V 3 _DVI 5902
3 V 3 _IO 590 3
3 V 3 _LBADC 5904
3 V 3 _LVD S A 5905
3 V 3 _LVD S B 5906
3 V 3 _LVD S
5907
+2V5_DDR 590 8
7900
IN OUT
COM
7901
IN OUT
COM
5909
5910
5911
+1V 8 _ADC
+1V 8 _DV1
+1V 8 _CORE
+2V5_DDR +2V5_DDR
F S VREF
3 B01
+ 3 V 3 _IO + 3 V 3 _IO
+ 3 V 3S W + 3 V 3S W
+ 3 V 3S W + 3 V 3S W
+ 3 V 3S W + 3 V 3S W
+5V S WI +5V S WI
+5V S WI +5V S WI
1 8
1F0 3
+5VHDMI_B
+5V S W +5V S W
+5V S WIA +5V S WIA
+ 3 V 3S WB
7L02
IN OUT
COM
+ 3 V 3S W + 3 V 3S W
+ 3 V 3S WA 5M0 3
+5V S WI +5V S WI
+5V
S WIA 5M04
+ 3 V 3S W + 3 V 3S W
+1V5
LVD S _VCC LVD S _VCC
+2V5PLL
7N0 3
IN OUT
COM
5N0 3
+2V5VDD
1
1J01
(1M46)
2
3
4
5
6
7
8
9
10
11
+12VUFD
+5V_UFD
5J0 3
1J07
1J0 8
N.C .
N.C
.
N.C
.
N.C
.
4J01
+5V
1
1J00
(1M0 3 )
2
3
4
5
6
7
8
9
10
S TANDBY
FAN_ S PEED
BACKLIGHT_CTRL
N.C
.
LAMP_ON_OFF
POWER_UP_OK
N.C
.
N.C
.
PROTECT_AUD
UFD CONTROL
B 3 ,B6
B5,B6,B9
B6
B6,B16
B16
B6
B6
B6
B6
B16
B6
B6
B 8
B6
B15
b
B4,B9,B19
B19
B6
B6
B20
B6
B6
+12V S W
+ 3 V 3S TBY
770 8
IN OUT
COM
+5V
+5V
5704
+ 8 V S W_TV
77 38
IN OUT
COM
57 38
7754
LVD S _VCC
775 8
+ 3 V 3S W
PANEL-PWR-CTL
5752
DC/DC
Converter
7752
575 3
5754
+5V S WI
57 3 0
PWR
REG
77 3 0
57 33 +VTUN
+5V S W
57 3 7
5757
67 3 5
B16
B16
5709
(For 3 7 ” -50 ” L a rge S creen)
DVI
5J04
B7,B10
B 8
B 8
B 8
B6
B6
B6,B16
B6
B6
B 8
B6
B6
B6
B6
B7,B11
B1 3 ,B19,B20
B 8
5700
B6
PAN_VCC
(For 26 ” -42 ” S creen)
HERCULE S
RE S
CN 3 0 8
+ 3 V 3S
W
+ 3 V 3S
W
+12V S W +12V S W
+5V +5V
+12V S W
775 8
5717 571 3
S TEP
DOWN
CONTR
3
71
8
7754
S C_ S TANDBY
( Su pply to T u ner & Herc u le s )
+ 3 V 3S TBY + 3 V 3S TBY
B16
VDDA_ 3 V 3 PLL
5D06
VDDA_ 3 V 3 5D00
VDDD_ 3 V 3 5D01
VDDI_ 3 V 3
5D02
VDDC_1V 8 5D05
7D02
IN OUT
COM
5D0 3
5D04
VDDA_1V 8
VDDD_1V 8
1 8
1F02
+5VHDMI_A
DVI
+ 3 V 3S TBY + 3 V 3S TBY
+5V S W +5V S W
+ 8 V S W_TV + 8 V S W_TV
5L01
5L11
VDDP
VADC
VMPLL
5L17
VPLL
+2V5_DDR +2V5_DDR
VDDC 5L21
B 8
7N04
IN OUT
COM
5N04 1V5CORE
5N05
+1V5PLL 5N06
5M10
1
B16
5
1J04
-12_20V
+ 3 V 3S TBY
1 8 70
1M02
5001
6
B 3
1442
+ 3 V 3S W
+ 3 V 3 _INTOTC
1000
+ 3 V 3S TBY + 3 V 3S TBY
+5V S W +5V S W
1K00
5
+ 3 V 3S TBY_1
+5V S W_1
B6,B16
B6
+5VHDMI_A +5VHDMI_A
+5VHDMI_B +5VHDMI_B
B14
B14
5L19
B1 8
+ 3 V 3S W + 3 V 3S W
+ 3
V 3S TBY
+ 3
V 3S TBY
+5V S WI +5V S WI
+5V +5V
B16
B6
B2,B 3 ,B5,B7,
B 8 ,B9,B11,B12
B12
B1 3
B15 a ,B15 b ,
B17
B1,B2,B 3 ,B5,
B 8 ,B9,B15 b
B1,B2,B 3 ,B5
B6
B16
B6
B2
B6
B16
B6
B6
B6
B6
B6
B7
B7
1M46
B6
G_16240_00 8 .ep s
260906
B1
+VTUN +VTUN
PDP
POWER S UPPLY
PANEL (P S U)
1M0
3
5K00
5K01
5M11
2
5M12
5
+12_20V
5M09
6
5D16 VN
VP
3 D4 3
7D24
9
+ 3 V 3 - S TANDBY
1M01
-12_20V
+12_20V
1M02
P S U
C1
C1
C1
+ 3 V 3 - S TANDBY
C2
C2
C2
1M02
C2
TO 1M02
AUDIO
+5V S W
1J04
9
POR_AUDIO
C2
1M01