BenQ E2220HD Service Manual page 60

21.5" LCD Color Monitor
R648 4.7K1/16W
{4} VOLUME
2N3904S-RTK/PS
From Scalar line-out (negative)
{4} LINE_OUT_1L
{4} LINE_OUT_1R
R615
1K 1/10W
D601
LL4148
+
C638
100uF 25V
AGND
R611
1K 1/10W
R646
{4} AUDIO_SD
1K 1/10W
Low: shutdown APA2071
R614
10K 1/10W
LINEOUT_OFF
Hi: shutdown +5V_OPA
+5V_AUDIO
R647
1K 1/10W
+5V1 +5V_AUDIO
R649 4.7K1/16W FB601
Q605 1 2
C639 120 OHM
1UF 10V
AGND AGND
AMP (Positive)
U602
SE 8
SE/BTL
7
VOLUME
C620 1UF 10V 6
LINN
5
GND
4
GND
C618 1UF 10V 3
RINN
2
BY PASS
1
SHUTDOWN
+5V1
APA2071JI-TUG 3.1W
R612
10K 1/10W
C636 C608
0.1uF/16V 1uF 16V
Q604
2N3906S-RTK/PS
U602 IC with Heat-sink(90G6295-3)
AGND
Q603 C637
0.1uF/16V
2N3904S-RTK/PS
VOLUME 0V (18dB)
AGND AGND
MUTE MODE
AGND
+5V_OPA
+5V_AUDIO FB607
120 OHM
Q601
Low: on
R641 P6403FMG
R639 10K1/16W
10K1/16W
R643 68KOHM 1/16W +/-5% 1
+5V_AUDIO
R640 22K1/16W Q602
C631
2N3906S-RTK/PS
R642 220nF 16V
47K1/16W
C632
10uF 6.3V
FB602 FB603
FB606
1 2 1 2
1 2
120 OHM 120 OHM
120 OHM
FB604 FB605
1 2 1 2
120 OHM 120 OHM
Line out
C615 C635 C612
+
220uF 25V 0.1uF/16V 0.1uF/16V
OUT (Negtive)
Line IN
9 OUT-L+
LOUTP
10
change from 33K to 27K for suit speaker output
VDD
11 OUT-L-
LOUTN
12
GND
13
GND
14 OUT-R-
ROUTN
15
VDD
16 OUT-R+
ROUTP
(From audio Jack on power brd)
CN606
IN-R 7 8
5 6
IN-L 3 4
1 2
AGND CONN AGND
CN605
~ 5V (-80dB)
1
2
3
0V
4
5
CONN
C633 R608
LINOUT1L
{4} LINE_OUT_1L
100 OHM 1/10W
0.47uF 10V
+5V_OPA
R607
100K 1/10W
R609
75K +-5% 1/10W
R645
10K1/16W
C630
LINOUT1R R652
{4} LINE_OUT_1R
100 OHM 1/10W
0.47uF 10V
+5V_OPA
R650
100K 1/10W
R651
75K +-5% 1/10W
60
OUT-L R604 0R05OHM1/16W C628 0.47uF 10V
OUT-R R606 0R05OHM1/16W C629 0.47uF 10V
IN-L R630 27K 1/10W 5%
IN-R R631 27K 1/10W 5%
power05132009
+5V_AUDIO
OUT-R R661
100K1/16W
OUT-L D602 R654 R655
LINEOUT_SE
100K1/16W 0R05OHM1/16W
LL4148
R662
1K1/16W
+5V_AUDIO
R638
100K1/16W
HP_R R623 330 OHM 1/16W EOUTR
HP_SENSE D603 LL4148 R622 100K1/16W
HP_L R621 330 OHM 1/16W EOUTL
R656
LINEOUT_OFF
0R05OHM1/16W
+5V_OPA
C634
0.1uF/16V
U603A
LM358DR
3
+
1 LINEOUT_JACK_L
2
-
R610
15K 1/10W
R657
1M 1/10W 5%
R658
10K 1/10W
C640
0.1uF/16V
+5V_OPA
U603B
LM358DR
5
+
7 LINEOUT_JACK_R
6
-
R653
15K 1/10W
R659
1M 1/10W 5% R660
10K 1/10W
C641
0.1uF/16V
E2220HD
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
G3550-M0H-X-X-2-090702 TPV MODEL HI9ASBD89XBQPN
絬 隔 瓜 絪 腹
Key Component 1.0.COVER PCB NAME 715G3550-M0H
Date Friday , July 03, 2009 Sheet 7
BenQ E2220HD
LINEOUT_JACK_L
LINEOUT_JACK_R
LINE_IN_0L {4}
LINE_IN_0R {4}
To Scalar line-in
SE
CN604
OUT-L+ 4
OUT-L- 3
OUT-R+ 2
OUT-R- 1
+ C609 + C610 CONN
220uF 25V 220uF 25V
EOUTR EOUTL
R619 R618
1K1/16W
1K1/16W
Size C
Rev D
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