BenQ G2320HDB, Service Manual

Page: 48 / 62

23” LCD Color Monitor BenQ G2320HDB
48
Key Board
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
EN
T
E
R
LED_RED#
LED_GRN#
LED_GRN#
LBADC1
RIG
HT
LEF
T
AU
T
O
LBADC2
DC_POWERON
POWER MENU
LED_RED#
GND GND GND GND
GND
GND
GND GND
GND
GND GND GND GND
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
⿄⠍
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
㍀ 䱨 ⪰ ㌾ 㝍
C
G920HD(A)
2 2 Thursday, December 04, 2008
715G3367-E
< ⿄⠍ > 02.KEY BOARD
G3367-E-X-X-2-081223
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
⿄⠍
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
㍀ 䱨 ⪰ ㌾ 㝍
C
G920HD(A)
2 2 Thursday, December 04, 2008
715G3367-E
< ⿄⠍ > 02.KEY BOARD
G3367-E-X-X-2-081223
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
⿄⠍
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
㍀ 䱨 ⪰ ㌾ 㝍
C
G920HD(A)
2 2 Thursday, December 04, 2008
715G3367-E
< ⿄⠍ > 02.KEY BOARD
G3367-E-X-X-2-081223
(MENU) (RIGHT) (LEFT) (ENTER) (Power) (AUTO)
1.435V
0.673V
LBADC2
RIGHT
1.435V
LBADC1
0.673V
(3.0K)
(1.8K) ENTER
AUTO
(1.0K)
(3.0K)
MENU
LBADC3
1.435V
0.673V LEFT
(3.0K) POWER
(1.8K)
B
C010
0.
1uF
C010
0.
1uF
C004
NC/0.001uF
C004
NC/0.001uF
ZD0
0
4
NC
ZD0
0
4
NC
R003 1K 1/10W 1% R003 1K 1/10W 1%
SW006
SW006
SW006
SW006
2 1
3 4
5
LED001
LED
LED001
LED
2
3 1
R005 3K 1/10W ǂ R005 3K 1/10W ǂ
ZD006
NC
ZD006
NC
ZD0
0
2
NC
ZD0
0
2
NC
C001
NC/0.001uF
C001
NC/0.001uF
ZD0
0
3
NC
ZD0
0
3
NC
CN001
CONN CN001
CONN
1
2
3
4
5
6
7
8
C009
0.
1uF
C009
0.
1uF
C005
NC/0.001uF
C005
NC/0.001uF
SW003
SW003
SW003
SW003
2 1
3 4
5
C007
0.
1uF
C007
0.
1uF
C006
0.
1uF
C006
0.
1uF
C002
NC/0.001uF
C002
NC/0.001uF
ZD0
0
5
NC
ZD0
0
5
NC
C003
NC/0.001uF
C003
NC/0.001uF
C011
0.
1uF
C011
0.
1uF
R007 3K 1/10W ǂ R007 3K 1/10W ǂ
SW002
SW002
SW002
SW002
2 1
3 4
5
SW005
SW005
SW005
SW005
2 1
3 4
5
ZD0
0
1
NC
ZD0
0
1
NC
SW001
SW001
SW001
SW001
2 1
3 4
5
R006 1K 1/10W 1% R006 1K 1/10W 1%
SW004
SW004
SW004
SW004
2 1
3 4
5
R002 3K 1/10W ǂ R002 3K 1/10W ǂ
C008
0.
1uF
C008
0.
1uF
R004 1K 1/10W 1% R004 1K 1/10W 1%