Block Diagram Scaler & Supply - Philips LC4.1U AA Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Scaler & Supply
A8 PCHD-IO
1
RED_PR
+5VSW VGA_5V
5
2 GREEN_Y
15
6460
3 BLUE_PB
11 1 9
VGA_5V
12
SDA
13 HS
14
VS
15 SCL
6 5
7462
DCC_VGA_5V
8 DDC
NVM
TOP CONTROL
E A3
5x
1308
1008
CHANNEL +
CHANNEL-
2 2
KEYBOARD
VOLUME+
VOLUME-
POWER
FRONT IR/LED
J
7802
1870 1007
1
RC
RECEIVER 1 1
N.C.
2 2
3802
+3V3STBY IR 3 3
7803
4 4
LED_SEL
7801
5 5
6801 +3V3STBY
PC_TV_LED 6 6
GREEN RED
7804
A2
HERCULES (CONTROL)
SDM PINS
7011 4015
u-Processor
SEL_IF
114
SOUND_ENABLE
111
KEYBOARD
120
107 PC-TV-LED
115
IR 108 SCL
97
119
109 SDA
HERCULES
STATU S_1
A8 116 IC
5 6
P50_LINE_ITV_IR_SW
123 7099
A3
NVM_WP 7
104
NV M
2k x 8
EXT_MUTE
102
TV_SC_COM
99
3,93,96
+1V8_A
TV_IRQ
98
100,117,118,124
+1V8_B
STANDBY
122
P1.4
HERC_RESET 127 6073
126
POWER_DOWN
6076
128
DECDIG
14
DECDIG
1001
4,5,7,9,88,90,94 2007
10
+3V3STBY
15,69,82
11
+5VSW
2006
HERCULES (SUPPLY)
A3
7001,7003
F014
+3V3STBY
+1V8_A
+1V8_B
7070
DECDIG F015
HERC_RESET
LC4.1U AA 6.
FROM
R_SDTV
A2
G_SDTV
see
blockdiagram B_SDTV
VIDEO
RED_PR
PC_DET
GREEN_Y
A7
BLU_PB
3470
HD_FILT ER
SD_PCHD_SEL
A7
PC_HD_SEL
7463
H_CS_SDTV
13
A3
V_SDTV 1
HS 12
VS
2
HERCULES
10,11
(FRONT CONTROL LOOP THROUGH) SD_PCHD_SEL
A7
+3V3STBY +5VSW
H_CS_SDTV
A3
KEYBOARD 3062 6060
7060
PLL_SEL
A7
Y_NOTCH
A2
KEYBOARD
IR
LED_SEL
A2
+3V3STBY
PC_TV_LED
D
SIDE AV
(UART PART)
A1
1112
+3V3STBY
A3
3123
1
UART
3124
2
CONN.
A1 FOR
SERVICE
3
A7
A5 TV-SUPPLY
A3
A5
7930
1910
A5 F903 8
1
AUD_SUP
S Q
A3 A4
2 R
F905
A4 A5
7
3 OSC
+3V3STBY
4
+3V3STBY
3931
VCC
5
5930 6 5
6
7
F906
FROM
8
SUPPLY
+12VSW
PANEL
F907
9
POWER_DOWN A2 A3 A4
10
7920
STANDBY A2
11 5920
1
A7
BACK_LIGHT_ADJ1
12
LAMP_ON_OFF A7
EN 17
A6
SCALER (ANA IN)
7461
27
SOG
3
17 R_PR+
7
14 G_Y+
25
11 B_PB+
1
3497 2466
R_PR-
5
21 3499 2468
G_Y-
23
22
3479 2470
B_PB-
7510
F499
2 3 4 CS_HSYNC
14 1
15
F503
VSYNC
6 9 8
5
A7
7520
MK1575-01
FBIN FBIN
12
CLOCK
RECOVERY
PLL 2 PLL_SEL
Y_NOTCH
7403
M29W040B-55k1
FLASH
ROM
512kx8
1403
14M31818
1111 1401
7402
M24C32
1 1
+3V3STBY
2 2 EEPROM
(NVM)
4kx8
3 3
4 4
SDA
A2
SCL
JTAG_SDL_UART_TX
JTAG_SCL_UART_RX
3936
3937
7936
1
SUPPLY
A9
2 7955
3
3
+3V3STBY
69 30
4
REF
1
F913
5932
+5 VSW
F911
5910
3910
+VTUN
6910
7910
6911
3
+8VSW_TV
F912
2921
2
A7
SCALER (LVDS, TTL OUT)
7401
GM5221
22 LV_E0_TX0-
21 LV_E1_TX0+
ANALOG
INPUT LVDS
PORT Tx
20 LV_E2_TX1-
LV_E3_TX1+
19
+
TRIPLE
18 LV_E4_TX2-
ADC
17 LV_E5_TX2+
&
PLL
14 LV_E8_TX3-
13 LV_E9_TX3+
DVI
N.C.
INPUT 16 LV_E6_TXC-
LV_E7_TXC+
15
38 LV_O0
VIDEO
37 LV_O1
36 LV_O2
LV_O3
35
34 LV_O4
33 LV_O5
32 LV_O6
31 LV_O7
DATA
ROM
30 LV_O8
INTERFACE
LV_O9
29
ADDRESS
43 PD20
169
44 PD21
CLK_SYN
45 PD22
46 PD23
170
47 FED
48 FHSYNC
49 FVSYNC
FSHCLK
55
67 PANEL_PWR_CTL
68 LAMP_ON_OFF
SDA_IO
SCL_IO TV_SC_COM
81
WC
TV_IRQ
82
SYSTEM
83 FBIN
3430
85 PC_DET
3431
88 SD_PCHD_SEL
90 POWER_DOWN
3442
7437
98
3441
100
PLL_SEL
101
F954
2
+1V8
2997
1404
F534
1
PAN_VCC
2
LV_E0_TX0- 3
4
EG1 LV_E1_TX0+
EG0
6
LV_E2_TX1-
ER7 LV_E3_TX1+ 8
ER6
10
LV_E4_TX2-
ER5 LV_E5_TX2+ 12
ER4
LV_E6_TX3- 18
ER1 LV_E7_TX3+ 20
ER0
14
LV_E8_TXC-
ER3 LV_E9_TXC+ 16
ER2
1402
EB3
1
EB2
17
EB1
19
EB0
21
EG7
23
24x
EG6
25
EG5
27
EG4
29
EG3
31
EG2
33
FED
35
EB4 FHSYNC
EB5
37
FVSYNC
EB6
39
FSSYNC
EB7
PAN_VCC
42
38,36
A9
A5
A2
A2
A6 A8
A8
A8
A2 A3 A5
BACK_LIGHT_ADJ1
A5
BACK_LIGHT_ADJ2
A5
A8
E_14520_033.eps
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