JAMO DVR 50 Service Manual page 50

A
Left Surround Output Stage
1
PWM-P-3
PWM-M-3
/VALID-3
R300
10R R303 13K
C300 R302
100pF 13K
R301 C301
10R 100nF
+3.3V
/SD-ERR
2
Right Surround Output Stage
3
PWM-P-4
PWM-M-4
/VALID-4
R320
10R R323 13K
C320 R322
100pF 13K
R321 C321
10R 100nF
+3.3V
/SD-ERR
4
5
B C
C303 C302
100nF 100nF
U300 TAS5110DAD
1 32
PWM_BP PVDDB2
2 31
PWM_BM LDROUTB
C305 R304
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
C307 R305
14 19
ERR1 BOOTSTRAPA
15 18 100nF 1 R5
PWM_AM LDROUTA
16 17
PWM_AP PVDDA2
C308
100nF
C323 C322
100nF 100nF
U320 TAS5110DAD
1 32
PWM_BP PVDDB2
2 31
PWM_BM LDROUTB
C325 R324
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 C327 R325
ERR1 BOOTSTRAPA
100nF 1 R5
15 18
PWM_AM LDROUTA
16 17
PWM_AP PVDDA2
C328
100nF
D
GATE-DRV-SUP PWM-OA-3
PVDDA-3
C304
33nF
PWM-OA-3
PWM-OB-3 PWM-OB-3
C306
33nF
Power supply filter
PVDDB-3
GATE-DRV-SUP
GATE-DRV-SUP
GATE-DRV-SUP
PVDDA-4
C324
33nF
PWM-OA-4
PWM-OA-4
PWM-OB-4
C326
33nF
PVDDB-4
GATE-DRV-SUP PWM-OB-4
Schematic diagram - PSU/AMP board 4/7
E
Left Surround Speaker Output
L340
10uH
C343
100nF
C342
470nF
C344
100nF
L341
10uH
Layout Note: L360, L361, L362 and L363 is a
track in the PCB (1mm wide and 40mm long).
L360
50nH
PVDDA-3
L361
50nH
C360
+
PVDDB-3
1000uF
L362 C362
50nH 1nF
C361
PVDDA-4
1000uF
L363
50nH
PVDDB-4
Right Surround Speaker Output
L380
10uH
C383
100nF
C382
470nF
C384
100nF
L381
10uH
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
R340
1R0
C345
10nF J340
1
2
C ON2
C346
10nF
R341
1R0
+25V
C363
10nF
R360
1R0
GATE-DRV-SUP
R380
1R0
C385
10nF J380
1
2
C ON2
C386
10nF
R382
1R0
50