Block Diagram Video - Philips LC7.1HE LA Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Video

VIDEO
B03A TUNER IF & DEMODULATOR
+VTUN
7113
TDA9886T/V4
1101
TD1318S/A
9
1102
5 VIF1 1 VIF1
4120
MAIN 11 IF_ATV 1
IF_OUT3
TUNER 2 VIF2
4 VIF2
(ANALOGUE)
1
1103
5 SIF1
23 SIF1
1
SIF2
4 SIF2 24
3111
RF_AGC 1301 1526 14 TAGC
SI SYSTEM INTERFACE
INTEGRATED
CARD SLOT
HC02 IBOARD
HC01
IBOARD
CONNECTOR
LC7.1HE LA
+5VS
DEMODULATOR
SUPPLY 7114
EF
SOUND TRAPS CVBS 17 CVBS_RF
VIF-PLL
4.5 to 6.5 Mhz
SINGLE REFERENCE QSS MIXER
B06B IO - SCART 1 & 2
15
INTERCARRIER MIXER AND
AM-DEMODULATOR
1104
SIF AGC MAD 4M0
1
I2C-BUS TRANSCEIVER
TUNER AGC VIF AGC
EXT1
21
1305 SCART1
1301 1526
17 SC1_B_IN
1 1
18
SC1_G_IN 2 2
19 3
SC1_R_IN 3
7300
EF
20 SC1_FBL_IN 4
4
1302 1525
31
SC2_Y_CVBS_IN 4 4
32 5
SC2_C_IN 5
22 CVBSterr
1
11 HSYNC_OUT
13
HSYNC_OUT
EXT2
(OPTIONAL)
B04A
21
1205 1312
SCART2
4
4
B06D
1901
10
B06A YPBPR & REAR IO
+5VB
1108
1107 7100
3133
10
3 VIDEO
VSYNC
4 EXT3
HSYNC
8 CVBSterr
S VIDEO
Pr
EXT4 Y
Pb
1101
1102 1619
5102
1 1
HD_PR_IN_ITV 1
9 5103 2
HD_Y_IN_ITV 2
2 5104 3
HD_PB_IN_ITV 3
13 5105
VGA_H 5 5
14 5106
VGA_V 6 6
VGA
B06C
HDMI
HDMI 1
HDMI 2
6. 34
1504 7503
3535 3537
EF
19 SC1_RF_OUT_CVBS
3528
15 SC1_R_IN
3523
11 SC1_G_IN
3516
7 SC1_B_IN
3545
20 SC1_CVBS_IN
3528
16 SC1_FBL_IN
3518
8 SC1_STATUS
SC1_B_IN
SC1_G_IN
SC1_R_IN
SC1_FBL_IN
SC2_Y_CVBS_IN
SC2_C_IN
1506 7500
3522 EF 3521
19 SC2_CVBS_MON_OUT
3529
20 SC2_Y_CVBS_IN
3552
15 SC2_C_IN
3550
8 SC2_STATUS
SC1_CVBS_RF_OUT
SC2_CVBS_MON_OUT_ITV
1601-2
FRONT_Y_CVBS_IN_T
FRONT_C_IN_T
1601-1
1
3
5
4
2
1615
3617
HD_Pr_IN
3618
HD_Y_IN
3619
HD_Pb_IN
HD_PR_IN_ITV
HD_Y_IN_ITV
HD_PB_IN_ITV
VGA_H
VGA_V
7817
1810 SII9025CTU
1 RX2+A 52
+
3 R0X2
RX2-A 51
-
ADC
4 RX1+A
48
+
121 HDMI_VCLK
R0X1
6 RX1-A 47 ODCK
- HDMI
7
RX0+A 44 HDMI_DE
(MAIN) 1
+
DE
9 R0X0
RX0-A 43
- 2 HDMI_H
HSYNC
10
RXC+A 40
+ 3 HDMI_V
VSYNC
12 R0XC
RXC-A 39
-
19 7814
HDMI_HOTPLUG_RESET
B04A HDMI_Cb(0-7)
1811
1
RX2+B 71
+
R1X2
3 RX2-B 70 HDMI_Y(0-7)
-
4 RX1+B 67
+
6 R1X1
RX1-B 66
-
HDMI_Cr(0-7)
7 RX0+B 63
+
R1X0
9 RX0-B 62
-
10
RXC+B 59
+
12 R1XC
RXC-B 58
-
7860
19
HDMI_HOTPLUG_RESET
B04A
B04B VIDEO PROCESSOR
7202
SVP CX32-LF
169
CVBS1
ANALOG
MUX
163
CVBS_OUT1
189
PR_R2
181
Y_G2
197
PB_B2
198
PB_B3
173
FB1
B04A
VIDEO
PROCESSOR
205
XTALI
1201
14M31
204
XTALO
162
CVBS_OUT2
190
PR_R3
70
FS2
B04A
7204
IS42S16400D-6TL
(0-11)
DQ(0-31) (0-15)
182
MEMORY
Y_G3
7205
192
C IS42S16400D-6TL
(0-11)
CX_MA
(16-31)
188
PR_R1
180
Y_G1
196
PB_B3
7211
3 2
1 4 158
AIN_HS
AIN_VS
5 8 159
9 6
TXAn
51
TA1 TXAp
50
49 TXBn
23
DP-CLK
TB1 TXBp
48
6
DP_DE_FLD
8-BIT
4 45 TXCn
DP_HS SINGLE
5 TC1
LVDS TX 44 TXCp
DP_VS
43 TXCLKn
TCLK1
42 TXCLKp
DIN_PORTD 41 TXDn
(24BIT) TD1 TXDp
40
DRAM
1Mx16x4
DRAM
1Mx16x4
1G51
1
VDISP
3
5
7
1210 TXAn1 2
TXAp1 4
1211 6
TXBn1
TXBp1 8
1212 TXCn1 12
LVDS
14 CONNECTOR
TXCp1
TO DISPLAY
1213 TXCLKn1 18
20
TXCLKp1
1214 24
TXDn1
TXDp1 26
27
BOLT_ON_SCL
BOLT_ON_SDA 29
H_17151_004.eps
091007