AOC LE32D3330, Service Manual

Page: 53 / 114

53
V_MUTE
A_MUTE
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
A
B
10 18 Thursday , January 05, 2012
715G5091-M0G-000-0040
称爹 < >
REAMP / HEADPHONE OUT
C615
1uF 16V
C620
1uF 16V
HPOUT_RT
DVDD3V3
C619 1uF 25V
R625
18K 1/10W
U606
MAX9
PVss
4
C1
N
3
OUTL
11
SV
s
s
9
C1
P
1
SG
N
D
7
OUTR
10
SHDN
5
PGN
D
2
IN
R
8
VDD
12
IN_L
6
TH1
13
R621
47K 1/16W 5%
FB602
30R/600mA
1 2
C624
330pF 50V
FB66
120R/3000mA
1 2
FB60130R/600mA
1 2
C641
2.2NF
C614
2U2 16V
R631
0 OHM 1/8W
R674
4K7 1/10W 5%
CN602
CONN
1
7
6
2
3
4
5 HPOUT_LT
C642
0.1uF 50V
C640
2.2NF
R622
47K 1/16W 5%
R623
18K 1/10W
C623
1uF 25V
C613
330pF 50V
R619
0 OHM 1/8W
R670
NC/470K 1/16W 5%
R609
47K 1/10W 5%
FB603
30R/600mA
1 2
AVDD3V3
+5V_SW
+5V_SW
AR0O 12
GND 2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18
AVDD3V3 2,4,5,7,8,9,11,12,13,14,15,16,18
AL0O 12
V_MUTE 17
HPDET# 13
+5V_SW 2,5,7,12,13,14,15,16,17
A_MUTE 11,17
C617
NC/330pF 50V
C618
330pF 50V
C621
NC/330pF 50V
C622
330pF 50V
R630 20K 1/10W
R629 20K 1/10W
C634 47pF 50V
C635 47pF 50V
HPDET#
R627
43K 1/10W 1%
R628
43K 1/10W 1%
Q613
MMBT3904
Near MT5366
HP_PWR
R620
10K 1/10W
Q612
MMBT3906 PNP
1
2 3
Audio Mute Control
HPDET#
R626
47K 1/10W 5%
L:MUTE
H:UN-MUTE
HP_PWR
AR0O
AL0O
A_MUTE
AL0O
AR0O
R624
10K 1/10W
DVDD3V3 2,4,5,7,8,9,11,12,13,14,15,16,18 DVDD3V3
PreAmp output for Headphone/Line out
HPOUT_RT
HPOUT_LT
V_MUTE
change R619,R631 from 150 to 0 for
output loss
change R623,R625 from 20K to 10 for 6dB Gain
EMI 09/03