
KE-50XBR900(UC) 4-48
1
A
B
C
D
2
7
6
5
4
3
(7) Schematic Diagrams of H3 AND H4 Boards
H3
[ KEY INPUT ]
— H3 BOARD —
<CONDUCTOR SIDE>
<COMPONENT SIDE>
*
: Refer to Terminal name of semiconductors
in silk screen printed circuit (see page 4-18)
Ref.
*
D171
!º
H3 BOARD
Terminal name of semiconductors in
silk screen printed circuit (
*
)
1
A
B
C
D
2
7
6
5
4
3
H4
[ POWER ]
— H4 BOARD —
<CONDUCTOR SIDE>
<COMPONENT SIDE>
CN107
B-SS4335<UC.>-H3.
(KEY INPUT)
H3
GND
TO H1 BOARD
KEY-WAKE
KEY1
GND
1
2
3
4
R171
R172
R173
R174
R175
C171
D171
S171
S172
S173
S174
S175S176
CN171
1.5k
:CHIP
2.7k
:CHIP
5.6k
:CHIP
15k
:CHIP
1.2k
:CHIP
DAP202K-T-146
0.01
F:CHIP
CH UP
CH DW
VOL UP
VOL DW
SELEC
SERVICE
4P
WHT
:1.5DL
POWER
B-SS4335<UC.>-H4.
CN106
(POWER)
H4
E
TO H1 BOARD
P-SW(+)
P-SW(-)
P-ON
E
STBY+5V
1
2
3
4
5
6
S191
C192
C191
R191
CN191
0.01
F:1608
0.01
F:1608
1k
1/16W
:CHIP
6P
WHT
:1.5DL
CN171
CN172
S171
S172
S173
S174
S175
S176
C171
D171
R171
R172
R173
R174
R175
CN191
S191
C191
C192
D191
R191
Summary of Contents for WEGA KE-50XBR900, KE-42XBR900
Page 18: ...KE 50XBR900 UC 1 9 1 2 3 H4 BOARD REMOVAL 1 Two screws BVTP 3X12 2 H4 Board Front panel ...
Page 19: ...KE 50XBR900 UC 1 10 1 2 4 H3 BOARD REMOVAL 1 Three screws BVTP 3X12 2 H3 Board Front panel ...
Page 21: ...KE 50XBR900 UC 1 12 1 2 6 H2 BOARD REMOVAL 1 Two screws M 3X8 P SW 2 H2 Board ...
Page 23: ...KE 50XBR900 UC 1 14 1 2 8 B BLOCK ASSY REMOVAL 1 B Block assy ...
Page 24: ...KE 50XBR900 UC 1 15 1 2 9 M AD AND AU BOARDS REMOVAL 2 Shield case 1 Screw PSW 3x8 ...
Page 28: ...KE 50XBR900 UC 1 19 1 2 13 U1 BOARD REMOVAL 1 Four screws BVTP 3x12 2 U1 Board 3 Core FPC ...
Page 29: ...KE 50XBR900 UC 1 20 1 2 14 U2 BOARD REMOVAL 1 Tow screws BVTP 3x12 2 U2 Board Rear panel ...