ViewSonic VS15197 Service Manual page 41

PVDD
AL13
121A40_8 10/05 new add
AC59 AC57 AC58 AC61
0.1u/50V_6 1000p/50V_6 0.1u/50V_6
1000p/50V_6
GND GND GND GND
AR2
PVDD
AMP_MUTE# AR5
24 AMP_MUTE#
AR4
LINE_L
24 LINE_L
0_6
AR7
*0R_6NC
AGND
AGND
AGND
AR12
LINE_R
24 LINE_R
0_6
AR14
*0R_6NC
AGND
+19V_DC
9/24 follower spec, 43.2K --> 0 ohm
AR17 AR18
10K_4 *10K_4NC
GAIN0
GAIN1
AR20 AR21
*0_4 0_4
AGND AGND
ViewSonic Corporation
PVDD1
AC62 + AC60 + AC56
0.1u/50V_6 220u/35V_R8 220u/35V_R8
GND GND GND
100K_6 AR3 47K_6
AGND
AU1
TPA3113D2PWPR
1 28
SDZ PVCCL2
1K_6 2 27
FAULTZ PVCCL1
AC9 1u/25V_6 3 26
LINP BSPL
AR8
AC11 1u/25V_6 4 25
LINN OUTPL
GAIN0
0_6 5 24
GAIN0 PGND
GAIN1
6 23
GAIN1 OUTNL
AR9 10_6 AVCC1 7 22
PVDD
AVCC BSNL
8 21
GNDA BSNR
9 20
AR10 10K_4 AR11 10K_4
GVDD OUTNR
AC16 1u/16V_4 10 19
PLIMIT PGND
AC17 1u/25V_6 11 18
RINN OUTPR
12 17
AC18 1u/25V_6
RINP BSPR
AC20 13 16
NC PVCCR2
1u/25V_6
14 15
PBTL PVCCR1
50 29
AR15 AGND
AGND AGND
49 30
0_6
AGND AGND
48 31
AGND AGND
47 32
AGND AGND
AGND 46 33
AGND AGND
45 34
AGND AGND
44 35
AGND AGND
43 36
AGND AGND
AGND 42 37
AGND AGND
AGND
AGND
AC26 1u/25V_6 AVCC1
AR19 *10K_4 AVCC1
R941
R942
AGND R943
R944
AGND
+19VIN
on_AUDIOPVDD
R925 *4.7K_6
33 on_AUDIOPVDD
EN_AUDIO_PVDD R926 4.7K_6
6 EN_AUDIO_PVDD
GND
24 L_SPK+
L_SPK1+
AL3
PVDD1
AC10 0.22u/50V_6
L_SPK1- AL5
GND
L_SPK-
24 L_SPK-
AC14 0.22u/50V_6
R_SPK+
24 R_SPK+
AC15 0.22u/50V_6
R_SPK1- AL7
GND
AC19 0.22u/50V_6
PVDD1
R_SPK1+ AL9
choke-mscdri-6d28hp-220m
R_SPK-
24 R_SPK-
choke-mscdri-6d28hp-220m
AGND
CV02220MZ01
0_6
0_6
0_6
0_6
GND
40
Confidential - Do Not Copy
10/16 new add AL14 121A40_8
+19V_DC
GND
AC55 10u/25V_12
AL10 AL11
121A40_8 *121A40_8NC AL12 PVDD
Q14_1 Q14_8
121A40_8
1 8
2 7
AC31 AC33
0.1u/50V_6 3 6 0.1u/50V_6
+
4 5 Q14
DMP3056LSS
GND AC34 1u/25V_6
AR26 330K_6
AR27 100K_6
GND
EN_AUDIO 1 AC40
Q15 *NC
MMBT3904
R1746
GND GND
10K_4
L_SPK1+_1
L_SPK+ AL15 *0_6
22UH/2A AR1 *10R_6NC
AC6
1000pF/6
AC8
GND
*0.15u/16V_6NC
1000pF/6
AC12
22UH/2A AR6 *10R_6NC
AL16 *0_6
L_SPK1-_1
AL17 *0_6
R_SPK1-_1
22UH/2A AR13 *10R_6NC
AC21
1000pF/6
AC23
GND
*0.15u/16V_6NC
1000pF/6
AC24
22UH/2A AR16 *10R_6NC
AL18 *0_6
R_SPK1+_1
VSD241/SD-A245/CDS245
AC7
*330p/50V_6NC
GND
AC13
Speaker
*330p/50V_6NC
2W * 2
CN13
GND
6
4
3
2
1
GND
5
AC22
85204-04001
*330p/50V_6NC
GND
AC25
*330p/50V_6NC
GAIN1 GAIN0 GAIN ( dB )
0 0 20
0 1 26
1 0 32
1 1 36