Hitachi 22LD4550U, Service Manual

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22 ″ LCD TV Hitachi 22LD4550U
77
9. Schematic Diagram
9.1 Main Board
L513
80 OHM
1 2
CN506
PHONEJACK
1
2
3
C
568
33pF
U510
M24C02-WDW6P
1
2
3
4
5
6
7
8
E0
E1
E2
VSS SDA
SCL
WC
VCC
R552
0 OHM 1/10W
R556
100 OHM 1/10W
C561
5pF
C562
0.22uF
R561
2.2K OHM 1/10W
GRN
R722
N
C
\1
00 OH
M
1
/10W
R559
0 OHM 1/10W
ZD516
UD
ZS
NP
5.
6
B
R551
0 OHM 1/10W
VGASDA_IN
BLU_GND
ZD508
U
D
Z
SN
P5.
6B
RP 4
R564
0 OHM 1/10W
L517
80 OHM
1 2
R574 100 OHM 1/10W
R
558
75 O
H
M
+
-1%
1/
8W
VGASDA_IN
ZD515
UD
ZS
NP
5.
6
B
GN 4
R
576
100
K OH
M
1/
10W
R572
20K OHM 1/10W
R
577
30
K OH
M
1
%
1/
10W
VSYNC 4
R5
63
75 OH
M
+
-1% 1
/8W
C559
5pF
BP 4
HSYNC#
R571
3K OHM 1/10W
R565
100 OHM 1/10W
R560
100 OHM 1/10W
BN 4
HDMIED_WP 14,20
VGASCL_IN
R569
20K OHM 1/10W
VSYNC#
R555
0 OHM 1/10W
BLU_GND
VGA_PLUGPWR
BLU
R567
8.2K OHM 1/10W
C557
5pF
HSYNC#
C
5
65
47
0pF
C564 10uF/10V
C552
5pF
R582 10K OHM 1/10W
R570
8.2K OHM 1/10W
RN501
4.7KOHM +-5% 1/16W
1
2
3
4
8
7
6
5
VGAR_IN
FB511
300 OHM
1 2
R553
39 OHM +-1% 1/10W
C550 4700pF
C551 0.01uF/25V
Q505
MMBT3904
BLU
R566
2.2K OHM 1/10W
AIN0_L 11
SOG 4
VSYNC#
R
575
100
K OH
M
1/
10W
C553 0.01uF/25V
H
B
3 21 Friday , June 20, 2008
715T3009
< 称爹 >
VGA IN L/R
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
RN 4
VGASCL_IN
C563 10uF/10V
RED_GND
ZD511
U
D
Z
SN
P5.
6B
C554 0.01uF/25V
C558 0.01uF/25V
L515
80 OHM
1 2
R
578
30K OH
M
1% 1/
1
0W
GRN_GND
C
567
33pF
R573 100 OHM 1/10W
C555
5pF
R
554
75 OH
M
+
-1% 1/
8
W
VGAL_IN
ZD510
U
D
Z
SN
P5.
6B
VGA_PLUGPWR
GP 4
C
5
66
47
0pF
GRN_GND
RED
RED
L514
80 OHM
1 2
Z
D
514
VPOR
T
06
03100KV0
5
1
2
RED_GND
ZD509
U
D
Z
SN
P5.
6B
R550
0 OHM 1/10W
+5VSB
AIN0_R 11
Z
D
513
VPOR
T
06
03100KV0
5
1
2
C556 0.01uF/25V
R562
39 OHM +-1% 1/10W
ZD512
U
D
Z
S
N
P
5.
6B
L516
80 OHM
1 2
D512 BAT54C
3
1
2
R557
39 OHM +-1% 1/10W
C560 0.01uF/25V
CN505
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
17
16
HSYNC 4
GRN
R568
3K OHM 1/10W