JAMO DVR 50 Service Manual page 49

A
Left Output Stage
1
PWM-P-1
PWM-M-1
/VALID-1
R200
10R R203 13K
C200 R202
100pF 13K
R201 C201
10R 100nF
+3.3V
/SD-ERR
2
Right Output Stage
3
PWM-P-2
PWM-M-2
/VALID-2
R220
10R R223 13K
C220 R222
100pF 13K
R221 C221
10R 100nF
+3.3V
/SD-ERR
4
5
B C
C203 C202
100nF 100nF
U200 TAS5110DAD
1 32
PWM_BP PVDDB2
2 31
PWM_BM LDROUTB
C205 R204
3 30
RESET BOOTSTRAPB
100nF 1 R5
4 29
PWDN PVDDB1
5 28
BIASB PVDDB1
6 27
BIASA OUTPUTB
7 26
VRFILT OUTPUTB
8 25
DVSS PVSS
9 24
DVSS PVSS
10 23
DVSS OUTPUTA
11 22
DVDD OUTPUTA
12 21
SHUTDOWN PVDDA1
13 20
ERR0 PVDDA1
C207 R205
14 19
ERR1 BOOTSTRAPA
15 18 100nF 1 R5
PWM_AM LDROUTA
16 17
PWM_AP PVDDA2
C208
100nF
C223 C222
100nF 100nF
U220 TAS5110DAD
1 32
PWM_BP PVDDB2
2 31
PWM_BM LDROUTB
C225 R224
3 30
RESET BOOTSTRAPB
100nF 1 R5
4 29
PWDN PVDDB1
5 28
BIASB PVDDB1
6 27
BIASA OUTPUTB
7 26
VRFILT OUTPUTB
8 25
DVSS PVSS
9 24
DVSS PVSS
10 23
DVSS OUTPUTA
11 22
DVDD OUTPUTA
12 21
SHUTDOWN PVDDA1
13 20
ERR0 PVDDA1
14 19 C227 R225
ERR1 BOOTSTRAPA
100nF 1 R5
15 18
PWM_AM LDROUTA
16 17
PWM_AP PVDDA2
C228
100nF
D
GATE-DRV-SUP
PVDDA-1
C204
33nF
PWM-OA-1
PWM-OB-1
C206
33nF
Power supply filter
PVDDB-1
GATE-DRV-SUP
GATE-DRV-SUP
GATE-DRV-SUP
PVDDA-2
C224
33nF
PWM-OA-2
PWM-OB-2
C226
33nF
PVDDB-2
GATE-DRV-SUP
Schematic diagram - PSU/AMP board 3/7
E
PWM-OA-1
L240
10uH
C243
100nF
C242
470nF
C244
100nF
L241
10uH
PWM-OB-1
Layout Note: L260, L261, L262 and L263 is a
track in the PCB (1mm wide and 40mm long).
L260
50nH
PVDDA-1
L261
50nH
C260
+
PVDDB-1
1000uF
L262 C262
50nH 1nF
C261
PVDDA-2
1000uF
L263
50nH
PVDDB-2
PWM-OA-2
L280
10uH
C283
100nF
C282
470nF
C284
100nF
L281
10uH
PWM-OB-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.
F
Left Front Speaker Output
R240
1R0
C245
10nF J240
1
2
C ON2
C246
10nF
R241
1R0
+25V
C263
10nF
R260
1R0
GATE-DRV-SUP
Right Front Speaker Output
R280
1R0
C285
10nF J280
1
2
C ON2
C286
10nF
R282
1R0
49