LG RD-JT30 Service Manual page 159

5
V DRC G
R17 R18 R19
10K 10K 10K
D
U4
2
RE FCLK REFCLK
7
S CLKN
SYNCLKN
6
PCLKM PCLKM
MULT0 15
MULT0
MULT1
14
MULT1
24
S0
23
S1
13
S2
P2P5V DR CG PD Z 12
PWRDNB
STOPZ
11
STOPB
R22 10K
1
VDDIR
10
VDDIPD
C11 C12
0.1U K 0.1U K
16V 16V
C
P3P3V V DRC G
L1
120 OHM
C15
C16
0.1U K 10U
B
16V 6.3V
P2P5V
U6
1
IN
C36
A
C37
10U
0.1U K
6.3V
16V
4
V DRC G
CD CR 83 CTM
R20 110F
20 U15-20 CTM
CLK
3
VDD
9
VDD
16 R21
VDD
56.2F
22
VDD
19
NC
GND:4,5,8,17,21
VDRCG:3,9,16,22
U15-C76
C9
NC:19
10P J
4
GND
5 50V
GND
R23
8
GND
56.2F
17
GND
21
GND
U15-18 R24 110F CTMN
18
CLKB
CTMN
CDCR83 (DRCG) 3.3V DECOUPLING CAPS
V DRC G
C17 C18 C19 C20
0.1U K 68P J 0.1U K 68P J
16V 50V 16V 50V
C21 C22 C23 C24
0.1U K 68P J 0.1U K 68P J
16V 50V 16V 50V
VTERM
MIC39100-1.8BS
3 VTERM
OUT
C38 C39
100U 100U
6.3V 6.3V
VTERM BULK DECOUPLING CAPS
3
RN1
1 8
VTERM
2 7
3 6
4 5
39
1 8
2 7
3 6
4 5
39
RN3
CTM
RQ [0: 7]
RQ [0:7]
C10
0.1U K
16V
CTMN
CM D
SCK
R26
CFM
P2P5V 10K
R29 R30 U7-C75
75F 75F
C13
0.1U K
16V
CF MN
R32 R33
75F 75F
VTERM
R34
36.5F
VTERM
C30 C31 C32 C33 C34
0.1U K 0.1U K 0.1U K 0.1U K 0.1U K
16V 16V 16V 16V 16V
VTERM
C40 C41 C42 C43 C44
0.1U K 0.1U K 0.1U K 0.1U K 0.1U K
16V 16V 16V 16V 16V
VTERM DECOUPLING CAPS
2
DQ B[0:8]
U5 K4R271669D-TCS8
R Q0 DQB8
G1 J1
RQ0 NC1
R Q1 DQB7
F2 J7
RQ1 DQB7
R Q2 F6 H2 DQB6
RQ2 DQB6
R Q3 DQB5
F7 H6
RQ3 DQB5
R Q4 DQB4
F1 H7
RQ4 DQB4
R Q5 E7 H1 DQB3
RQ5 DQB3
R Q6 DQB2
E6 G2
RQ6 DQB2
R Q7 DQB1
E2 G6
RQ7 DQB1
G7 DQB0
DQB0
S IO1
J3
SIO1
S IO0 DQA0
J5 C1
SIO0 SIO0 DQA0
C MD A5 C2 DQA1
CMD DQA1
S CK DQA2
A3 C6
SCK DQA2
DQA3
B1
DQA3
CTM E1 B7 DQA4
CTM
CTM DQA4
CTMN D1 B6 DQA5
CTMN
CTMN DQA5
C FM DQA6
C7 B2
CFM DQA6
CF MN DQA7
D7 A7
CFMN DQA7
D2 A1 DQA8
VREF NC2
R28
39.2F
A2 D5
VCMOS GNDA
J2 A6
VCMOS GND
D6 B3
VDDA GND
B5 C5
P2P5V GND
C3 D3
P2P5V GND
E5 E3
P2P5V GND
R31
F3 F5
P2P5V GND
39.2F G5 G3
P2P5V GND
H5 H3
P2P5V GND
J6
GND
P2P5V
V REF-RDRAM
DQ A[0:8]
C14
R35
0.1U K
121F
16V
P2P5V
C26
C25
0.1U K
150U
6.3V 16V
RDRAM VDD DECOUPLING CAPS
C35
0.1U K
16V
C45
0.1U K
16V
1
VTERM
RN2
8 1
7 2
6 3
5 4
39
RN4
8 1
7 2
6 3
5 4
39
R25 39.2F
39.2F
R27
RN5
8 1
7 2
6 3
5 4
39
RN6
8 1
7 2
6 3
5 4
39
C27 C28 C29
0.1U K 0.1U K 0.1U K
16V 16V 16V
Benq Corporation
Project Code
Model Name OEM/ODM Model Name
N A
JT31
99.J5577.001
Title
MAIN BOARD
Size PC B P/N P C B R ev. Do cu ment Number
<Size>
48.J5501.S02 S02
304-C01
Wed nesd ay, Nove mber 20, 2002
D a te: Sheet 3 o f 20
Pre pared By Re vi ewed By A p proved By
A NGEL HU D A V I D HN L IN H.C . TSOU
D
C
B
A
R e v .
0