ViewSonic VS15197 Service Manual page 60

AL21
121A40_8
PVDD W_PVDD1
AC63 AC36
+ AC38
1000p/50V_6 0.1u/50V_6
AC35 220u/35V_R8
0.1u/50V_6
AL22 ADOGND ADOGND ADOGND
121A40_8
GND
AC64 AC37 + AC39
1000p/50V_6 0.1u/50V_6 220u/35V_R8
ADOGND ADOGND ADOGND
AR28 100K_6
PVDD
AMP_MUTE_W AR31 1K_6
AR71
AR72
AGND
PVDD
AR34 10_6
AGND
AC44 1u/25V_6
AR69 0_6
24 MONON_W
AR70 0_6
24 MONOP_W
AGND
+19V_DC
AR39 AR73
10K_4 *10K_4
GAIN0
GAIN1
AR42 AR43
*0_4 0_4
AGND AGND
MUTE
AVDD_3V3_SPK_AMP
R320
*10K_6NC
AR62 *0R_6NC
AUDIO_MUTE MUTE# 2
24,33 AUDIO_MUTE
R322
*4K7_6NC
GND
ViewSonic Corporation
W_PVDD2
AR29 47K_6
GND
AU2
TPA3113D2PWPR
1 28
SDZ PVCCL2
2 27
FAULTZ PVCCL1
3 26
0_6 AC67 1u/25V_6
LINP BSPL
0_6 AC50 1u/25V_6 4 25
LINN OUTPL
GAIN0
5 24
GAIN0 PGND
GAIN1
6 23
GAIN1 OUTNL
AVCC_W 7 22
AVCC BSNL
AR65 0_6 8 21
GNDA BSNR
AR67 10K_4 AR66 0_4
9 20
AC65 1u/16V_4
GVDD OUTNR
10 19
AC45 1u/25V_6
PLIMIT PGND
AC46 1u/25V_6 11 18
RINN OUTPR
AC48 1u/25V_6 12 17
RINP BSPR
13 16
NC PVCCR2
AR37 AR38
AVCC_W AR64 100K_6 14 15
PBTL PVCCR1
*0_6 *0_6
50 29
AGND AGND
49 30
AGND AGND
48 31
AGND AGND
AGND 47 32
AGND AGND
46 33
AGND AGND
45 34
AGND AGND
44 35
AGND AGND
43 36
AGND AGND
42 37
AGND AGND
AGND
AGND
AC66 1u/25V_6 AVCC_W
AR41 *10K_4 AVCC_W
AGND
AR53 0_6
AR54 0_6
AR55 0_6
AR56 0_6
AGND GND
VDD_5V0
R321
10K_4/NC
AMP_MUTE_W
Q36
2N7002E
GND
W_PVDD1
L_SPKW AL19
AC41 0.47u/25V_6 AC43
*330p/50V_6NC
ADOGND
AR68 *10R_8NC
ADOGND
AR36
*10R_8NC
*330p/50V_6NC
ADOGND
AC51
AC47 0.47u/25V_6
R_SPKW AL20
W_PVDD2
AGND
59
Confidential - Do Not Copy
Speaker
33uH/4.3A L_SPK_W
5W
AC42
1uF/50V_8
4509K-E03N-02L
3
2 5
ADOGND ADOGND
1 4
CN34
AC49 ADOGND
1uF/50V_8
33uH/4.3A R_SPK_W
AR44 0R_6
GND ADOGND
AR45 0R_6
AR47 0R_6
AR48 0R_6
AR49 0R_6
AR50 0R_6
GAIN1 GAIN0 GAIN ( dB )
0 0 20
0 1 26
1 0 32
1 1 36
VSD241/SD-A245/CDS245