Block Diagram Video - Philips LC7.1E Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Block Diagram Video

VIDEO
B03A TUNER IF & DEMODULATOR
+VTUN
1101
TD1318S/A
9
1102
5 VIF1
4120
MAIN 11 IF_ATV 1
IF_OUT3
TUNER
4 VIF2
(ANALOGUE)
1
1103
5 SIF1
1
4 SIF2
3111
RF_AGC
B06B IO - SCART 1 & 2
EXT1
EXT2
B06A YPBPR & REAR IO
EXT4
D
SIDE FACING SIDE AV
EXT3
B06C
HDMI
HDMI 1
HDMI 2
LC7.1E PA 6.
+5VS
7113
TDA9886T/V4
DEMODULATOR
SUPPLY
1 VIF1
SOUND TRAPS CVBS 17
VIF-PLL
2 4.5 to 6.5 Mhz
VIF2
SINGLE REFERENCE QSS MIXER
23 SIF1
15
INTERCARRIER MIXER AND
AM-DEMODULATOR
SIF2
24
SIF AGC MAD
14 TAGC
I2C-BUS TRANSCEIVER
TUNER AGC VIF AGC
1504 7503
3535 EF 3537
SC1_RF_OUT_CVBS
19
1
3528
15
3523
11
3516
7
3545
20
3528
16
3518
8 SC1_STATUS
B04A
21
SCART1
1506 7500
1
3522 EF 3521
SC2_CVBS_MON_OUT
19
3529
20
3552
15
3550
8 SC2_STATUS
B04A
21
SCART2
1615
3617
Pr
3618
Y
3619
Pb
B04A
MICROPROCESSOR
1302
1304 1304
2
FRONT_Y_CVBS_IN 2
VIDEO
4
FRONT_C_IN 4
1301
1
3
S VIDEO 5
4
2
7817
1810
SII9025CTU
1
RX2+A 52
+
3 R0X2
RX2-A 51
-
ADC
4
RX1+A 48
+
6 R0X1 ODCK
RX1-A 47
- HDMI
7
RX0+A 44
(MAIN)
+
DE
R0X0
9 RX0-A 43
-
HSYNC
10
RXC+A 40
+
VSYNC
12 R0XC
RXC-A 39
-
7814
19
HDMI_HOTPLUG_RESET
B04A
1811
1
RX2+B 71
+
R1X2
3
RX2-B 70
-
4
RX1+B 67
+
6 RX1-B R1X1
66
-
7
RX0+B 63
+
R1X0
9 RX0-B 62
-
10
RXC+B 59
+
R1XC
12
RXC-B 58
-
19 7860
HDMI_HOTPLUG_RESET
B04A
25
B04B
VIDEO PROCESSOR
7202
SVP CX32-LF
7114
EF
CVBS_RF 169
CVBS1
1104
4M0
ANALOG
MUX
163
CVBS_OUT1
SC1_R_IN 189 VIDEO
PR_R2
SC1_G_IN 181
PROCESSOR
Y_G2
SC1_B_IN 197
PB_B2
SC1_CVBS_IN 198
PB_B3
SC1_FBL_IN 173
FB1
162
CVBS_OUT2
SC2_Y_CVBS_IN
190
PR_R3
SC2_C_IN 70
FS2
HD_Pr_IN
188
PR_R1
HD_Y_IN 180
Y_G1
HD_Pb_IN
196
PB_B3
FRONT_Y_CVBS_IN_T 182
Y_G3
FRONT_C_IN_T 192
C
HDMI_VCLK
121 23
DP-CLK
HDMI_DE 6
1
DP_DE_FLD
2 HDMI_H 4
DP_HS
HDMI_V
3 5
DP_HS
HDMI_Cb(0-7)
DIN_PORTD
HDMI_Y(0-7) (24BIT)
HDMI_Cr(0-7)
205
XTALI
1201
14M31
204
XTALO
7204
IS42S16400D-6TL
(0-11)
DRAM
1Mx16x4
DQ(0-31) (0-15)
MEMORY
7205
IS42S16400D-6TL
(0-11)
CX_MA
DRAM
1Mx16x4
(16-31)
VDISP
TXAn TXAn1
51 1210
TA1 TXAp TXAp1
50
49 TXBn 1211 TXBn1
TB1
48 TXBp TXBp1
8-BIT
45 TXCn 1212 TXCn1
SINGLE
LVDS TX TC1 TXCp TXCp1
44
43 TXCLKn 1213 TXCLKn1
TCLK1
42 TXCLKp TXCLKp1
41 TXDn 1214 TXDn1
TD1 TXDp TXDp1
40
BOLT_ON_SCL
BOLT_ON_SDA
1G51
1
3
5
7
2
4
6
8
12
LVDS
14 CONNECTOR
TO DISPLAY
18
20
24
26
27
29
H_16940_001.eps
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