Acer AT1945 Service Manual page 60

R603 4.7K OHM 1/10W
17 SPK_L
R604 4.7K OHM 1/10W
R668 0 OHM 1/10W
R675
OFF_MUTE Q611 VPA R607
MMBT3904 C605
1K OHM 1/10W
0.47uF
R676
VOL_MUTE
47K OHM 1/10W
R605 4.7K OHM 1/10W
17 SPK_R
R606 4.7K OHM 1/10W
AMP_POWER
+24V
FB603
1 2
NC/220 OHM
16V
FB604
BEAD
AMP_12V
AMP_POWER
FB602
BEAD
R602 VPA
10 OHM +-1% 1/4W
C671 C672
+ +
470uF/25V C604 470uF/25V
0.1uF/25V
C601 1uF/25V
1
R608
5.1K OHM 1/10W C603 2
330pF
C602 1uF/25V 3
4
5
47K OHM 1/10W 6
R609 7
Q602 12K OHM 1/10W
MMBT3904 VPA 8
9
C607 0.1uF/25V
R610 39K OHM 1/10W 10
11
C608
12
+
C609 C610
47uF/25V
0.1uF/25V 0.1uF/25V 13
C611 1uF/25V 14
R611 15
5.1K OHM 1/10W C606
330pF
16
C612 1uF/25V
AMP_12V
R612
6.8K OHM 1/10W
R613
R614
10K OHM 1/10W
33K OHM 1/10W
R615
3K OHM 1/10W
Q604
MMBT3904
+5V
R616 R617
10K OHM 1/10W 0 OHM 1/10W
Q605 C619
+
330uF/16V
MMBT3906
R621
NC
U601
TDA8932BTW
32
VSSD/HW VSSD/HW
31 C614 0.1uF/25V
IN1P OSCIO
30 HVP1
IN1N HVP1
AMP_POWER
29 C615 0.1uF/25V
DIAG VDDP1
28 C616 0.015uF R622 C618 470pF
ENGAGE BOOT1
10 OHM 1/4W
27
POWER UP OUT1
26
CGND VSSP1
25
VDDA STAB1
C617 0.1uF/25V
24
VSSA STAB2
23
OSCREF VSSP2
22
HVPREF OUT2
21 R623 C661 470pF
INREF BOOT2
C660 0.015uF 10 OHM 1/4W
20 C662 0.1uF/25V
TEST VDDP2
19 HVP2 AMP_POWER
IN2N HVP2
18
IN2P DREF
17 C663 C664
VSSD/HW VSSD/HW
0.1uF/25V 0.1uF/25V
R685
1K OHM 1/10W
20 AMP_SHUT
R626 0 OHM 1/10W
LINE_MUTE 17
17 HPDET#
D602 LL4148
Q603
MMBT3904
R627
NC
D603
R619 LL4148
1K OHM 1/10W
9 AMP_MUTE
D604 LL4148 OFF_MUTE
R625
100K OHM 1/10W
T P V ( Top Victory Electronics
絬 隔 瓜 絪 腹 T2848-C-X-X-3-071128
Key Component AUDIO AMP CLASS D
Date Wednesday , March 26, 2008
60
To SPK_L
FB609
L602
22uH +-25%
1 2
HVP1
70 OHM
C665 C669
+
FB610 70 OHM
NC C667 680uF/25V
R669 NC 0.68uF/63V 4
1 2 3
2
R670 NC
1
C670
C666 C668 680uF/25V
NC 0.68uF/63V
FB611 70 OHM
L601
HVP2 1 2
22uH +-25%
CN602э
FB612 70 OHM
1 2
To SPK_R
D606
LL4148
VOL_MUTE
D605
LL4148
R624
NC
OFF_MUTE 17
AMP_12V
R679
R677 4.7K OHM 1/10W
0 OHM 1/10W
EarMuteB
Q606
MMBT3904
R678 R680
C630
47K OHM 1/10W NC
1uF/16V
Co . , Ltd. ) OEM MODEL AT1936 Size
TPV MODEL
TV1968W-AED Rev
PCB NAME 715T2848-C
称爹
Sheet 16 of 21
CN602
フ
堵
堵
CONN
EarMuteB 17
A3
C
<称爹>