Philips LX7000SA Service Manual page 62

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P-SCAN BOARD - CIRCUIT DIAGRAM (PART 2)
1 2
P-scan_Encoder
A
B
*
*
*
C
1000
1
D
2
3
4 VSYNC_MONO
5
HSYNC
6
7
27M_CLK
8
E
9 YC(0)
YB(0)
10
11
YC(1)
YB(1)
12
YC(2)
13
YB(2)
14
YC(3)
15
YB(3)
F
100n
16
2217
17
YB(4)
YC(4)
18
HSYNC
19 YC(5)
YB(5)
20 VSYNC_MONO
21 YC(6)
YB(6)
22
G
23 YC(7)
YB(7)
24
H
+3V3_SCAN
7203-C
74LVT86DB
14
9
8
10
I
7
* PROVISION
Note : Some values may varies, see respective parts list for correct value.
1 2
11-4
3 4 5 6
FE-ST-VK-N
1002
1
2
+2V5_ASCAN
3
+2V5_SCAN
4
+3V3_SCAN
5
6
7
V (Pr/Cr)
8
9
U (Pb/Cb)
10
4213
11
Y
5202
12
10u
4200
4105
+3V3_SCAN +3V3_SCAN
2218
100n
7200-B
74LVT74DB 14
2219
10 9
100n
11 7203-A
74LVT86DB 14
12 1
3
+3V3_SCAN
13 8 2
7
7
7200-A
74LVT74DB
14
4 5 FOR PROGRESSIVE ONLY
3
2
1 6
7
3 4 5 6
7 8 9 10
+3V3_SCAN
7201
PCF8574T
INT_ 13
INTERRUPT A0 1
LP FILTER
LOGIC
2
A1
4 P0 A2 3
PSCAN_SEL 5 P1 SCL 14
2
BUS C I INPUT
6 P2 15
SDA
FILTER
CONTROL
7 P3
I/O BIT 8 SHIFT
9 P4
PORTS REGISTER
10 P5 POWER-ON VDD 16
RESET
11 P6
12 P7 VSS 8
SCL
7202
SDA
ADV7300ST
51 S0
52 S1
53 S2
YB(0)
54 S3
YB(1)
55 S4
YB(2)
58 S5
YB(3)
59 S6
YB(4)
60 S7
YB(5)
61 S8
YB(6)
62 S9
YB(7)
2 Y0
YA(0)
3 Y1
YA(1)
4 Y2
YA(2)
5 Y3
YA(3)
6 Y4
YA(4)
7 Y5
YA(5)
8 Y6
YA(6)
9 Y7
YA(7)
12 Y8
YA(8)
13 Y9
YA(9)
14 C0
UVA(0)
15 C1
UVA(1)
16 C2
UVA(2)
17 C3
UVA(3)
18 C4
UVA(4)
26 C5
UVA(5)
27 C6
UVA(6)
28 C7
UVA(7)
29 C8
UVA(8)
30 C9
VSYNC UVA(9)
3205
25 P-BLANK
+2V5_ASCAN
10K
23 P-HSYNC_
P_HSYNC
24 P-VSYNC_
P_VSYNC
3206
48 S-BLANK_
+2V5_ASCAN
10K
50 S-HSYNC_
HSYNC
49 S-VSYNC_
VSYNC_MONO
* 4210 4209 31 RTC-SCR-TR
27M_CLK
+3V3_SCAN
7203-D
74LVT86DB 14
12
11
13
100R
* 4211
7
3208
+3V3_SCAN
7203-B
74LVT86DB 14
4
P_CLK
6
+2V5_ASCAN
5
7
7 8 9 10
Published in Heiloo, Holland.
11-4
11 12 13
+3V3_SCAN
+3V3_SCAN
4212
+2V5_ASCAN
+2V5_ASCAN
2210
100n
4203
100n
2211
2212
100n
100n
2214
10 56 1 41 46
VDD
VDD-IO VAA VREF
3203 3204
RSET1 47
STANDARD DEFINITION 1K5 22R
CONTROL BLOCK
2215
COMP1 45
+2V5_ASCAN
COLOR CONTROL
100n
BRIGHTNIS
DNR
*
GAMMA 12-BIT DAC-A 44 4106
PROG FILTERS DAC
SD TESTPATTERN
*
12-BIT DAC-B 43 4104
DAC
*
PROGRAMMABLE
12-BIT
DAC-C 42 4107
DAC
RGB MATRIX
12-BIT DAC-D 39 4202
DAC
12-BIT DAC-E 38 4206
DAC
12-BIT DAC-F 37 4207
DAC
HIGH DEFINITION
CONTROL BLOCK
COMP2 36 2216
+2V5_ASCAN
100n
HD TESTPATTERN
3210 3211
COLOR CONTROL RSET2 35
SHARPNESS FILTER
1K5 22R
ADAPT FILTER CTRL
+2V5_SCAN
*
SPI_|I2C 19 4208
ALSB-SO 20
2
I C/SPI
SDA-CLKSP 21 3214
INTERFACE
TIMING
100R 3215
SCLK-SI 22
GEN
100R
PLL
DGND
GND-IO
32 63 34 33 40 11 57 64
100R
3207
680R
3n3
3216
2221 +2V5_ASCAN
3209
4K7
820p
4u7
2220
2222
3139 118 55950...8239_210_92942_01...for 3483 pt2 dd wk0232
11 12 13
12/21/15
14 1000 D1
1002 A5
2203 B1
2204 B1
2210 B11
2211 B12
2212 B11
2213 C12
2214 C11
2215 C13
2216 F13
2217 F1
A
2218 G5
2219 G5
2220 I11
2221 I11
2222 I12
SCL
3200 A7
3203 C13
SDA
3204 C13
3205 G10
3206 H10
3207 I10
3208 I10
3209 I10
B
3210 F13
3211 F13
3212 G13
3213 G13
3214 H13
3215 H13
3216 I12
3217 D14
3218 D14
3219 D14
4104 D13
C 4105 C5
4106 D13
4107 D13
4200 C5
4202 E13
4203 B12
4206 E13
4207 F13
4208 G13
3217
4209 H10
4210 H9
1K2
4211 I9
D
4212 B12
3218
4213 B3
5201 B12
1K2
5202 B3
7200-A H3
3219
7200-B G5
7201 A9
1K2
7202 C10
7203-A G5
7203-B I8
Y
7203-C I1
7203-D I8
E
U
V
F
G
SDA
SCL
H
I
14