Block Diagram Video - Philips LC4.5E Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram Video

A2 HERCULES
SDM PINS
4022
7011
FOR AUDIO LIPSYNC
I2SCLK 103
u-Processor
105
A4 I2SD01
SEL_IF A1
114
I2SDI1 106
A4
A5
A4 12 0 111 SOUND_ENABLE
A2 KEYBOARD
107 PC-TV-LED A3
A3 LIGHT-SENSOR-SDM 115
108 SCL
A3 IR 97 A7
STATU S_2
A17 119
SDA
HERCULES 109 A7
STATU S_1
A17 116 IC
5 6
A3
P50_LINE_ITV_IR_SW
123 7099
NC
104 NVM_WP 7
NV M
P50
A17
2k x 8
7075
EXT_MUTE A5
102
7001,7003
99 TV_SC_COM A7
+3V3STBY +1V8_A 3,93,96
98 TV_IRQ A7
+1V8_B
100,117,118,124
7070 SC-STANDBY A5
122
P1.4
127
126 POWER_DOWN_P50 A3
128 POWER_DOWN A6
DECDIG
14
1001
4,5,7,9,88,90,94 2007
10
+3V3STBY
15,69,82
11
+5VSW
2006
A16 PCHD-IO
PC-IN
HS
PC_HD_DET+
5
15
VS
3783
+5VSWI
BLU_PB
GRN_Y
RED_PR
11 1
RES
RES
6 5
UART_TX
7693
8 DDC
UART_RX
DDC_5V
NVM
PC-AUDIO-IN
PC_AUDIO_L
PC_AUDIO_R
A2
TOP CONTROL HERCULES
E A2
5x
1684 1402
KEYBOARD_IO2
3415
2 2
CHANNEL + KEYBOARD
CHANNEL-
VOLUME+
VOLUME-
MENU / OK
LED PANEL
J A3
1870 0320
7808
1 1
7802
2 2
RC
RECEIVER
IR 3 3
6801 4 4
LED_SEL
2 3
5 5
7804 7801
+3V3STBY
GREEN
PC-TV-LED 6 6
2 1
RED
7105
A14 SUPPLY +1V8
5996
7995
+1V8_ADC
I996 5997
+3V3STBY 3 2
7952 1
+1V8_DVI
8
5998
2996
S Q +1V8_CORE
1
+12VSW
R 2
+3V3STBY
7 3
OSC
6951
4
REF
A7 +12VSW
VCC PA NEL-PWR-CTL
7955
3954 F954
6 5
+5VSWI
2953 2957
LC4.5E AA 6.
A13 PCHD-MUX
7607 L
SD_HD_SEL SDTV
PC_HD_SEL ENABLE DISABLE
7605
7604
A2 H_CS_SDTV 13
14 1 2 3 4
A2 V_SDTV
1
HS
12
15
VS 2
6 9 8
5
9,11
A7 SD_HD_SEL
7604-5
6604
PC_HD_DET- PC_HD_DET
11 10
PC_HD_DET+
7607
F624 6605
A2
R_SDTV 27
F625
A2 G_SDTV
3
17
F613
F626
A2 B_SDTV
7
14
F615
RED_PR 25
11
GRN_Y
1 F617
BLU_PB
5
A7 HD_FILT ER 21
9
A7 SD_HD_SEL 22
7604-6
A7 PC_HD_SEL 13 12
HS
VS
PC_HD_DET+
PC_HD_DET-
7606
BLU_PB 1 2
GRN_Y 15 14
RED_PR 11
12
UART_TX
9, 17, 19
A7
PC_HD_SEL
UART_RX
A7
A7
KEYBOARD
HISTOGRAM
LIGHT-SENSOR-SDM
N.C.
IR
LED_SEL
+3V3 STBY
PC-TV-LED
A2
SCALER INTERFACE (SUPPLY)
A9
1403
BLACKLIGHT_CTRL
1
2
7992
3
5994
I992
1 3
+2V5_DDR 4
2994
TO IM03
5
2
SA1 N.C.
6
N.C.
7
5957
F960
PAN _VCC
8
PROTECT_AUDIO
A9
2960
7954
9
+5V2_RELAIS_IO2
3958
10
N.C.
18
A7
SCALER A11 FLASH CONTROL
H PIN
HDTV 22
9
+3
H_CS
+3V3STBY
7532 5
VCC
V
4
RESET
GND
2,3
A7
SOG
R_PR+
ANALOG
G_Y+
INPUT 7401
B_PB+ PORT GM1601
SXGA
DISPLAY
3614 2614
R_PR-
CONTROLLER
3616 2616 G_Y-
3618 2618 B_PB- GRAPHIC
ZOOM
SDRAM
A10
1 750
ADDRESS
DDR
SDRAM
FRAME
1Mx32x4
STORE
INTERFACE
DATA
VIDEO
ZOOM
DV I
N.C.
INPUT
PORT
MICRO-
CONTROLLER
INTERNAL
GPIO_G07_B7
A13 PC_HD_DET
GPIO_G09_B1
POWER_DOWN
A6
OCM_INT1
A2 TV_SC_COM
GPI_G09_B3
A2 Y_NOTCH
GPIO_16
1401
2488
+3V3_PLL
XTAL
2487
TCLK
DC-DC CONVERTER
A15
D S
+5VSWI
A7
7416
1251
3251
3
G
BU_LIGHT_ADJ1
A7
4 5251
POR A7 TO IM46
SA1
7 +5V 5252
LAMP_ON_OFF
A7
9
6262
5262
6259
7887
SC_STANDBY A2
STANDBY
+5V2_RELAIS_IO2
A5
A3
5258
7531
5
NVM
4k x 8
6
NVM-WP 7
SCL_IO
SDA_IO
7530
ADDRESS
EXT.
FLASH
FLASH
ROM
ROM
INTER-
FACE
DATA
A9 SCALER INTERFACE (LVDS)
5874
PAN_VCC
A14
TXB0-
TXB0+
TXB1-
TXB1+
TXB2-
DISPLAY
TIMING
GEN
TXB2+
TXBC-
TXBC+
TXB3-
TXB3+
UART_ TX A16
OCM_OD0
UART
UART_RX A16
INTERFACE
OCM_OD1
SCL
A2
VGA_SCL
SDA A2
VGA_SDA
80186 TV_IRQ A2
GPIO_G09_B4
PC_HDMI-AUDIO_SEL A12
GPIO_G07_B0
SD_HD_SEL A13
ROM &
GPIO_G07_B5
RAM
PC_HD_SEL A13
GPIO_G09_B0
PAN EL-PWR-CTL A14
PPWR
HD_FILT ER A13
PWM1
LAMP_ON-OFF A6
PBIAS
BU_LIGHT_ADJ1 A6
OCM_TIMER1
+8V6
+12 UNREG
+12VSW
5257
+5V2
7262
5267 5268 +3V3STBY
1
SUPPLY
8
6257
5
3267
3268
7260
1 2
1450
+12V_LCD 1
LVDSA-
12
13
LVDSA+
LVDSB- 15
16
LVDSB+
LVDSC-
18
19
LVDSC+
LVDSK- 21
22
LVDSK+
LVDSD-
24
25
LVDSD+
1304
1
3
2
A1
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