Philips LC4.2HE, Руководство по обслуживанию

Страница: 26 / 78

26 LC4.2HE AA 6. Block Diagrams, Testpoint Overviews, and Waveforms
Supply Voltage Overview
1001
1200
1520
POWER_DOWN
2
1
1910
3
4
5
6
7
8
9
10
11
12
+8VSW_TV
3 1
+12VSW
7920
L78M08CDT
5920
+5VSW
2 6
+12VUNREG
+3V3STBY
+12VUNREG
+3V3STBY
AUD_SUP
+5VSW
+5VSW
+VTUN
+12VSW
AUD_SUP
7930
MC34063AD
5930
6930
5931
T
O
LCD DISPLA
Y
5932
7011
7002-1
7002-2
3374
5910
7910
3 1
7562
SUPPLY
IC
2 6
7952
5952
6951
5953 5954
SUPPLY
IC
CONTROL
HERCULES
3910
6910
6911
I904
TV SUPPLY
SUPPLY
PANEL
(PSU)
A6
TUNER IF
A1
HERCULES
A2
HISTOGRAM
A3
SUPPLY
A14
5909
A13,A12,
A11,A9,
A7,A5,
A3,A2,
A1
A3
A2
A1
A1
A3
A2
A6
+3V3STBY
+3V3STBY
+12VUNREG
+12VUNREG
PANEL_PWR_CTL
+3V3_PLL
A6
A14
A5
A6
+VTUN +VTUN
A6
+3V3STBY
+3V3STBY
(FOR ITV ONLY)
A6
+3V3STBY
+3V3STBY
+1V8_A
+1V8_B
A6
14
127
+3V3STBY
+3V3STBY
+3V3STBY
A6
+8VSW_TV
+8VSW_TV
A6
+12VSW
+12VSW
A14
+8VSW_TV
+8VSW_TV
A6
TO 45 - 7011
+5VSW
+5VSW
A6
A14
A14
5984
+3V3_ADC
5985
+3V3_DVI 5986
+3V3_IO
5987
+3V3_LBADC
5988
+3V3_LVDSA 5989
+3V3_LVDSB
5990
+3V3_LVDS
5991
+2V5_DDR
5994
7992
+1V8
A7
A9
A7
A9
A7
A9
A7
A9
A7
A9, A10
A7
A9
A7
A9
A7
A9
A7
A9
A7
A9
A10
A7
A9
A7
A9
+1V8_ADC
5996
+1V8_DVI 5997
A3
A6
+1V8_CORE
A9
A13
A7
+12VSW
PAN_VCC
PAN_VCC
+5VSWI
5998
5958
7995
7953
5956
7955
A5
STANDBY
A2
BU_LIGHT_ADJ1
A7
LAMP_ON_OFF
A7
A7
CONTROL
CONTROL
1
1005
1
2
1403
VGA
CONN. LVDS
CONN.
DVI-D
CONN.
17
18
1601
AUDIO AMPLIFIER
A5
AUDIO_SUP AUDIO_SUP
A6
A6
+3V3STBY
SCALER
SDRAM
FLASH/CONTROL
A10
A11
+2V5_DDR
+2V5_DDR
A14
A7
A10
FSVREF
A7
A6
A14
+3V3_DVI
+3V3STBY
A14
+3V3_PLL
A14
+5VSWI
A14
+3V3_LBADC
A14
+3V3_IO
A14
+3V3_LVDSB
A14
+2V5_DDR
A14
+3V3_LVDSA
A14
A14
+3V3_LVDS
A10
FSVREF
A14
+1V8_DVI
A14
+1V8_ADC
A14
+3V3_ADC
+3V3_DVI
+3V3STBY
+3V3_PLL
+5VSWI
+3V3_LBADC
+3V3_IO
+1V8_CORE
+1V8_CORE
+3V3_LVDSB
+2V5_DDR
+3V3_LVDSA
+3V3_LVDS
FSVREF
+1V8_DVI
+1V8_ADC
+3V3_ADC
SCALER INTERFACE
A9
A6
A14
+5VSWI
+3V3STBY
A14
+3V3_PLL
A14
+3V3_ADC
A14
+3V3_DVI
A14
+3V3_IO
A14
+3V3_LBADC
A14
+3V3_LVDSA
A14
+3V3_LVDSB
A14
+3V3_LVDS
A14
+1V8_ADC
A14
+2V5_DDR
A14
+1V8_CORE
A14
+1V8_DVI
3501
+5VSWI
+3V3STBY
A6
A14
+3V3_IO
+3V3STBY
+3V3_IO
+3V3STBY
HDMI
(MAINLY FOR NAFTA)
A12
A6
+3V3STBY
NC
+5VHDMI
+3V3STBY
+3V3_PLL
+3V3_ADC
+3V3_DVI
+3V3_IO
+3V3_LBADC
+3V3_LVDSA
+3V3_LVDSB
+3V3_LVDS
+1V8_ADC
+2V5_DDR
+1V8_CORE
+1V8_DVI
FSVREF
3
1801
+5VSWI
+5VSWI
DCC_5V
DCC_5V
+5VSW_1
31
1103
9
1687
PCHD-MUX
A13
A6
+3V3STBY
A14
+5VSWI
+5VSWI
+3V3STBY
6
1107
REAR I/O SCART
H1
+5VSW
+3V3STBY
+3V3STBY
6693
28
1698
PCHD-IO H2
29
6692
5686
14
1680
3691 6691
5692
F_15140_019.eps
220205
+5VSW
A6
+5VSW
A14
A7
PAN_VCC
I-BOARD HC
J2
1
+3V3STBY
+3V3
L1
+5V
U1
SMPS
CONTR
L4
D2
+5VA
+5VD
L5
L6
J4
21
7
+5V
J10
1
+12V
+12V
SIDE I/O + CONTROL D
1001
21
7
+5V +5V
+12V +12V
1540
2
+5V
IR LED J
1540
2
+5VA +5VA
+3V3STBY
A10
FSVREF
A4
1305
PSU
1442
I
J2
A3
1005
A13
1601
A3
1698
+5VSWI
+3V3STBY
H1
H2
+3V3STBY
J5
6
+3V3S +3V3S
H1
1107
I
J5
3169
1305
4
J10
1
+12V
I
J10
7954
5959
SUPPLY LINE OVERVIEW
+8VSW_2
3702
Q14
LCM_POWER
J1
1
CLOCK BOARD O
1442
1
VDD VDD
L1
HC
J1
HC
J4
O
1442
D
1001