52
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 6/7
52
PWM-P-1
PWM-M-1
/VALID-1
PWM-P-2
PWM-M-2
/VALID-2
PWM-P-3
PWM-M-3
/VALID-3
PWM-P-4
PWM-M-4
/VALID-4
PWM-P-5
PWM-M-5
/VALID-5
PWM-P-6
PWM-M-6
/VALID-6
MCLK
S D IN1
S D IN2
S D IN3
SCLK
LRCLK
SCL
SDA
/MUTE
/SD-E
/RST
+3.3V
PCB Layout note:
Isolated groundplane (connected to GND through R004).
Must be placed below R004, R006, C002, C003, C004,
C005 and U3 (pin 1 - 6 and pin 61 - 64).
Connect ground plane here
R004
1R0
C004
4.7nF
C001
220nF
R007
4K7
R002
0 R0
+
C003
10uF
R011
4K7
R009
4K7
U3
TAS5026
NC
1
MCLK_IN
2
AVDD_OSC
64
AVDD_PLL
3
AVSS_OSC
61
AVSS_PLL
6
CLIP
18
CS0
15
DBSPD
17
DM_SEL1
29
DM_SEL2
28
DVDD_PWM
45
DVDD_RCL
48
DVDD
25
DVSS
60
DVSS_PWM
44
DVSS_RCL
47
DVSS1
8
DVSS1
26
DVSS1
31
DVSS1
32
ERR_CVRY
10
LRCLK
24
M_S
30
MCLK_OUT
22
MUTE
11
PDN
12
PLL_FLT_OUT
4
PLL_FLT_RET
5
RST
9
NC
7
SDA
13
SCL
14
DVSS1
16
SDIN1
19
SDIN2
20
SDIN3
21
SCLK
23
NC
27
NC
33
NC
34
VALID_1
57
VALID_2
54
VALID_3
51
VALID_4
41
VALID_5
38
VALID_6
35
PWM_AM_1
58
PWM_AM_2
55
PWM_AM_3
52
PWM_AM_4
42
PWM_AM_5
39
PWM_AM_6
36
PWM_AP_1
59
PWM_AP_2
56
PWM_AP_3
53
PWM_AP_4
43
PWM_AP_5
40
PWM_AP_6
37
NC
46
NC
49
NC
50
XTL_OUT
62
XTL_IN
63
R006
220R
R014
22R
C005
47nF
C002
100nF
R001
0R0
R013
4 R7
R012
4K7
C006
220nF
R005
4R7
R010
4K7
R002
0 R0
R003
0R0
R008
4K7
