Ch7317 Sdvo To Crt - EUROCOM T890M Service Manual

CH7317 SDVO to CRT

L40 HC B1005K F-121T 20
2 .5VS
.
11/2 0
13 VGA DDC DATA
13 VGA DDC CLK
14.. 17,19,23 PCIRS T #
R307 10K _04
2.5 VS
R308 *10K_04
R312 5.6K _1%_04
2.5 VS
C365 *56P_04
6 S DVO _CT RLDA T A
6 S DVO _CT RLCLK
R315 5.6K _1%_04
2.5 VS
.
L44 HC B1005K F-121T20
2. 5VS
11/2 0 C360
3.3V S
40 MIL
R300 C58
10K _04 10U_6.3V _X 5R_06
23 CRT _P WR _DIS#
Max out put current is 1A
Vout = 1.24V ( 1 + Ra / Rb )
6 SD V OB_RED+
6 SD V OB_RED-
6 SD V OB_GREEN+
6 SD V OB_GREEN-
6 SD V OB_BLUE+
6 SD V OB_BLUE-
Z1202
6 SD V OB_CLK+
6 SD V OB_CLK-
CH_A VDD R2 90
1 0K_0 4
C348 C353 C35 1 C 350
U 24
1
N C NC
2
S D_DD C NC
3
S C_DD C NC
SD_P ROM 4
S D_P ROM DGND
T P 58
SC_P ROM 5
T P 57 S C_P ROM NC
6
D VDD NC
7
R ES ET * D VDD
A S 8 CH7317
A S D VDD
9
D GND X O
10
D GND X I/FI N
11
S P D DGND
12
S P C DGND
13
D VDD VS YNC
14
B S CAN D VDD
C H_DV DD
15
N C CHS YNC
16
V DA C2 V 3V
C367 C361 C37 0
( This t race sh ou ld
b e sho rt and wide)
Z1210
CH_B LUE
R320
C384
CH_GR EE N R323
C383
CH_RE D
C382
J0 61297
2.5 VS
2. 5VS D ISABL E
EMI1210
1A
Note : Place them close to CH7317
U21 A ME 8816
R 286 C 346 C 57
2 3
V IN V OUT
1K _1% _04 .01U_50V _X 7R_04 10U _6. 3V _X 5R_06
Ra
AM E _A DJ
1 4
E N A DJ
Rb
R 293
976_1% _04
11 /20
L42 HCB 1005KF -121T20
2. 5VS
.
L43 HCB 1005KF -121T20
2. 5VS
.
48
C358 C355 C362 C363
47
46
45
44
43
42 Z1205
41 Z1206
40 Z1211 C366 18P_50V _NP O_04
39 Z1207
38 D02 1003
X 1H 027000BI1H_27 MHX z
37
Y 2 6- 22-27 R00-1B 0
36 6- 22-27 R00-1B 7
VS YNC 13
35 C368 18P_50V _NP O_04
34
CHS YNC 13
33 Z1208
11 /20
C H 7 3 17 A C371 C373
L46 HCB 1005KF -121T20
3 .3VS
.
( +/ - 1 %) L45 HCB 1005KF -121T20
.
R321 1. 2K _04
Z1209
C377 C379 C372 C374
0_04
B LUE_V GA 13
22P_50V _NP O_04
0_04
GRE E N_VG A 13
22P_50V _NP O_04
R322 0_04
RE D_V GA 13
22P_50V _NP O_04
? ? 22p f or EM I
M9707 15
5V S 9,13,16, 18..21,25
3.3VS 2,6, 7 , 9,11,13..23, 25,26,28
Schematic Diagrams
Sheet 12 of 31
CH7317 SDVO to
CRT
CH7317 SDVO to CRT B - 13