Hisense PDP4220EU Service Manual page 25

5
DVI CONNECTOR
CN300 CN300
25
RX2-IN
1
RX2-
2 RX2+IN
RX2+
3
GND
4
RX4-
5
RX4+
DVISCL
6
SCL
7 DVISDA
SDA
8
VS
RX1-IN
9
RX1-
RX1+IN
10
RX1+
11
GND
D
DVI_5V
12
RX3-
13
RX3+
R300 R300 10K 10K
14
5V
15
GND
HOT_PLUG
16
HP
RX0-IN
17
RX0-
18 RX0+IN
RX0+
19
GND
20
RX5-
21
RX5+
22
GND
23 RXC+IN
RXC+
RXC-IN
24
RXC-
C1
RED
R301 R301
C2
GRN
C3 100K 100K
BLU
C4
HS
C5
GND
26
GND
GND GND
DVI-I DVI-I
TP320 TP320
GND
TP321 TP321
TP326 TP326
C
GND
GND
TP322 TP322
TP316 TP316
GND
GND
TP323 TP323
TP318 TP318
GND
TP324 TP324
GND
TP319 TP319 GND These are the only
through hole parts as
GND test Probes on
GND
Board. Spread these TH
TPs evenly across the
Board. The rest of TPs
are Surface mount
VGA_5V
C304 C304
R311 R311 R312 R312
0.1uF 0.1uF
U301 U301 10K 10K 10K 10K
1 8
A0 VCC
B
GND
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
BR24C21F BR24C21F
RZ20 RZ20
GND
4.7K 4.7K
ANALOG DDC
RZ21 RZ21 +5V_DECSW
10K 10K
R335 R335
CN302 CN302 GND R333 R333 22R 22R
Y2 2k2 2k2
1
C310 C310 2n3904 2n3904
2
Pb2 10uF 10uF Q301 Q301
3
1
4
Pr2
5
6
R334 R334
+5V_DECSW
CON6 CON6 4k7 4k7 R336 R336
GND 2k2 2k2
YPbPr or YCbCr C320 C320
0.01uF 0.01uF
GND
Y1 R354 R354 R341 R341
Y1
2k2 2k2
75R 75R C311 C311 2n3904 2n3904
GND 10uF 10uF Q302 Q302
Pb1 1
Pb1
+5V_DECSW
R355 R355 R342 R342
Pr1 75R 75R 4k7 4k7
A
Pr1
R339 R339 C319 C319
R337 R337 22R 22R 0.1uF 0.1uF
2k2 2k2
R356 R356 GND 2n3904 2n3904
75R 75R C312 C312 Q303 Q303
10uF 10uF 1 GND
R338 R338
GND 4k7 4k7 R340 R340
2k2 2k2
C318 C318 PDP4220AU TAKE OUT FOLLOW COMPENENT
0.1uF 0.1uF
R333 R334 R335 R336 Q301
GND b,e of Q301 connect 0R
5
4
DVI_5V
R302 R302 R303 R303
10K 10K 10K 10K
DVISCL R304 R304 100 100
DVISDA R305 R305 100 100
VGA_SCL
VGA_SDA
U300 U300 RZ18 RZ18
4.7K 4.7K
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5 RZ19 RZ19
GND SDA
C300 C300 10K 10K
BR24C21F BR24C21F
GND 0.1uF 0.1uF
DIGITAL DDC
GND GND
CN301 CN301
R308 R308 100 100 VGASCL
15 5
10
14 4
9
13 3
8
R314 R314 100 100 VGASDA
12 2
7
11 1
6
DB15 HD DB15 HD GND
A-HS
A-VS
0R 0R
L300 L300
L301 L301
0R 0R
L302 L302
0R 0R
R343 R343
22R 22R
+5V_DECSW
R344 R344
2k2 2k2
VD301 VD301 VD302 VD302 VD303 VD303
BAV99 BAV99 BAV99 BAV99 BAV99 BAV99
GND
4
3
DVI Test Points are just SMTobservation points
on the traces with no stub
VGA_5V
R306 R306
10K 10K R307 R307
100K 100K
GND
R309 R309 470 470
GND
R310 R310 22 22
1% 1%
A-BLUE Pb_BLUE
R313 R313 22 22
A-GREEN Y_GREEN 1% 1%
A-RED Pr_RED R315 R315 22 22
1% 1%
1% 1% 1% 1%
1% 1%
1% 1% 1% 1% 1% 1%
GNDGND GND
GND GND GND
Near VGA pins
R322 R322 0 0
R323 R323 0 0
R350 R350
C315 C315
47R 47R
0.47uF 0.47uF
PI5V330 PI5V330
U304 U304
Y11
2
S1a
3
S2a
4
Da
Pb11
5
S1b
6
S2b
7
Db
Pr11 11
S1c
10
S2c
9
Dc
14
S1d
13
S2d
R345 R345 R347 R347 R348 R348
0R 0R 0R 0R 0R 0R
1 12
YPBPR_SEL
IN Dd
15
#EN
Y2
GND
Pb2
Pr2 R351 R351
C316 C316
47R 47R
0.47uF 0.47uF
GND
25
3
2
RX2-
RX2+
+5V_DECSW
U305 U305 1 6
I/O1 I/O4
SRV05-4 SRV05-4
2 5
GND REF
3 4
I/O2 I/O3
GND
RX1-
RX1+
DVI_CAB
RX0-
RX0+
RXC+
RXC-
+5V_DECSW
1 6
I/O1 I/O4
2 5
GND REF
3 4 U306 U306
I/O2 I/O3
SRV05-4 SRV05-4
GND
DVI_SCL 5
DVI_SDA 5
VGA_SCL 5
VGA_SDA 5
VGA_CAB 5
C301 C301 0.01uF 0.01uF
SOG
C302 C302 0.01uF 0.01uF
BLUE+
C303 C303 0.01uF 0.01uF
BLUE-
C305 C305 0.01uF 0.01uF
GREEN+
C306 C306 0.01uF 0.01uF
GREEN-
C307 C307 0.01uF 0.01uF
RED+
C308 C308 0.01uF 0.01uF
RED-
RGB SIGNAL GNDs at 2-mm from respective
RGB series Capacitors
SN74LVC14APWR SN74LVC14APWR SN74LVC14APWR SN74LVC14APWR
U302C U302C U302D U302D
5 6 9 8
U302E U302E U302F U302F
11 10 13 12
+5V_DECSW
SN74LVC14APWR SN74LVC14APWR SN74LVC14APWR SN74LVC14APWR
+5V_DECSW
C314 C314 C313 C313
10uF/16V 10uF/16V 0.1uF 0.1uF R352 R352
47R 47R C309 C309
0.47uF 0.47uF
GND
PI5V330 PI5V330
U303 U303
Y
2
S1a
3
S2a
4
Da
Pb
5
S1b
6
S2b
7
Db
Pr
11
S1c
10
S2c
9
Dc
14
S1d
13
S2d
1 12
HD_SEL IN Dd
15
#EN
A-GREEN
A-BLUE GND
A-RED C317 C317
0.47uF 0.47uF
R353 R353
47R 47R
Title Title Title
Size Size Size
C C C
Date: Date: Date:
2
1
5
5
5
5
D
5
5
5
5
5
C
5
5
5
5
5
5
5
B
AHS 5
AVS 5
Y_GREEN
Pb_BLUE
Pr_RED
A
GND
03. Graphic Inputs 03. Graphic Inputs 03. Graphic Inputs
Document Number Document Number Document Number Rev Rev Rev
B0114-SCH-01 B0114-SCH-01 B0114-SCH-01 C C C
Friday, November 04, 2005 Friday, November 04, 2005 Friday, November 04, 2005 Sheet Sheet Sheet 3 3 3 of of of 10 10 10
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