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49
D
VR 50 - Re
v
. 011105-2
Components having special characteristics or critical for safety are
identifi ed by
mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A
B
C
D
E
F
Schematic diagram - PSU/AMP board 3/7
49
PWM-OA-1
PWM-OB-1
PWM-OA-1
PWM-OB-1
PVDDA-1
PVDDB-1
PWM-OA-2
PWM-OB-2
PVDDA-2
PVDDB-2
PWM-OA-2
PWM-OB-2
PVDDA-1
PVDDB-1
PVDDA-2
PVDDB-2
GATE-DRV-SUP
GATE-DRV-SUP
GATE-DRV-SUP
GATE-DRV-SUP
GATE-DRV-SUP
+3.3V
/VALID-1
PWM-M-1
PWM-P-1
/SD-ERR
/SD-ERR
+3.3V
/VALID-2
PWM-M-2
PWM-P-2
+25V
GATE-DRV-SUP
Left Front Speaker Output
Left Output Stage
Right Output Stage
Right Front Speaker Output
Layout Note: L260, L261, L262 and L263 is a
track in the PCB (1mm wide and 40mm long).
Power supply filter
C223
100nF
C204
33nF
C286
10nF
J240
C ON2
1
2
C221
100nF
L262
50nH
R260
1R0
R221
10R
C283
100nF
R224
1 R5
R223 13K
C246
10nF
C208
100nF
J280
C ON2
1
2
C226
33nF
+
C260
1000uF
C243
100nF
C203
100nF
R202
13K
R280
1R0
L260
50nH
C284
100nF
R225
1 R5
L240
10uH
C200
100pF
C222
100nF
+
C261
1000uF
C244
100nF
C206
33nF
R203 13K
C262
1nF
C225
100nF
R282
1R0
R240
1R0
R204
1 R5
L263
50nH
C282
470nF
L280
10uH
L241
10uH
C201
100nF
C227
100nF
U220
TAS5110DAD
PWM_BP
1
PWM_BM
2
RESET
3
PWDN
4
BIASB
5
BIASA
6
VRFILT
7
DVSS
8
DVSS
9
DVSS
10
DVDD
11
SHUTDOWN
12
ERR0
13
ERR1
14
PWM_AM
15
PWM_AP
16
PVDDA2
17
LDROUTA
18
BOOTSTRAPA
19
PVDDA1
20
PVDDA1
21
OUTPUTA
22
OUTPUTA
23
PVSS
24
PVSS
25
OUTPUTB
26
OUTPUTB
27
PVDDB1
28
PVDDB1
29
BOOTSTRAPB
30
LDROUTB
31
PVDDB2
32
L261
50nH
C242
470nF
C202
100nF
R200
10R
C263
10nF
C224
33nF
R241
1R0
R205
1 R5
C205
100nF
C285
10nF
C220
100pF
R220
10R
L281
10uH
U200
TAS5110DAD
PWM_BP
1
PWM_BM
2
RESET
3
PWDN
4
BIASB
5
BIASA
6
VRFILT
7
DVSS
8
DVSS
9
DVSS
10
DVDD
11
SHUTDOWN
12
ERR0
13
ERR1
14
PWM_AM
15
PWM_AP
16
PVDDA2
17
LDROUTA
18
BOOTSTRAPA
19
PVDDA1
20
PVDDA1
21
OUTPUTA
22
OUTPUTA
23
PVSS
24
PVSS
25
OUTPUTB
26
OUTPUTB
27
PVDDB1
28
PVDDB1
29
BOOTSTRAPB
30
LDROUTB
31
PVDDB2
32
C228
100nF
R222
13K
C245
10nF
C207
100nF
R201
10R