GR
UNDIG Ser
vice
Chassis KU
2 - 23
Chassisplatte – Verstärker / Chassis Board – Amplifier
SDIN
MCLK
SCLK
LRCLK
Serial
Audio
Port
L
R
VOLUME
DRC
Protection
Logic
Click and Pop
Control
SDA
SCL
4
Order
th
Noise
Shaper
and
PWM
SRC
DAP
Sample Rage
Autodetect
and PLL
Terminal Control
Serial
Control
Microcontroller
Based
System
Control
7 BQ
7 BQ
OUT_A
OUT_B
HPL_OUT
HPR_OUT
HPR_IN
HPL_IN
2 HB
FET Out
OUT_C
OUT_D
2 HB
FET Out
TAS5739
SUBW+
SUBW-
TO Woofer
P1
1
P2
2
P3
3
GND
5
GND
4
S902
C937
100nF
HP_Audio-R
HP_Audio-L
HP_Audio-R
HP_Audio-L
R924
220K
R923
220K
C946
3.3N
C947
3.3N
R922
1K
HPL
HPR
TP75
TP74
D902
D903
1K
R913
1K
R914
C941
10nF
C940
10nF
C936
1UF 25V
C918
100nF
C928
22pF
C929
22pF
C930
22pF
C931
22pF
1
3
5
7
2
4
6
8
R904 100R
R909
100K
R906
1k
I2S_OUT-BCK
I2S_OUT-MCK
I2S_OUT-WS
I2S_OUT-SD
SPKR-EN
SPKR-EN
R907
NC
I2S_OUT-MCK
I2S_OUT-BCK
I2S_OUT-WS
I2S_OUT-SD
I2S
I2S
4.7K
R908
1
3
5
7
2
4
6
8
R910100R
I2C-SDA
I2C-SCL
I2C
I2C
I2C-SCL
I2C-SDA
+5V2_ST
VCC3V3
PD
R921
1.2K %1
1
3
2
T900
BC847B
R9
19
2.
7K
%1
R918
10K
R915
1k
R912
NC
1
3
5
7
2
4
6
8
R920
10K
3
1
2
D901
BAT54CW
1
3
2
IC901
AP432SRG-7
3
1
2
D900
BAT54CW
MUTE-AMP
MUTE-AMP
RES_AU
PD
TP76
C914
10uF 6.3V
C915
100nF
VCC3V3
VCC3V3
R9
16
NC
C908
47NF
R901
470R
C906
4.7nF
C901
47NF
R900
470R
C900
4.7nF
C907
100nF
C903
2.2n
C904 1UF
25V
C905
33nF 50V
VCC3V3
V_AUDIO
TP73
C933
10uF
35V
C932
10uF
35V
C934
10uF
35V
C927
100nF
C916
33nF 50V
C920
33nF 50V
C923
33nF 50V
C902
330pF 50V
RP900
NC/100R
RP901
NC/100R
C910
330p
50V
RP902
NC/100R
C924
330p
50V
RP903
NC/100R
C938
330pF
50V
L902
NR 6045T 220M
L903
NR 6045T 220M
L901
NR 6045T 220M
L900
NR 6045T 220M
C911
220nF
50V
C921
220nF
50V
C909
220nF
50V
C913
220nF
50V
C919
220nF
50V
C925
220nF
50V
S
SP_LEFT-
SP_RIGHT-
P1
1
P2
2
P3
3
P4
4
GND
6
GND
5
S900
TO Speaker
MOLEX_5025850470
C912
NC
C922
NC
C981
100nF
C979
1UF 25V
C980
1UF 25V
C965
100nF
C971
22pF
C972
22pF
C973
22pF
C974
22pF
1
3
5
7
2
4
6
8
R929 100R
R934
100K
R931
1K
I2S_OUT-BCK
I2S_OUT-MCK
I2S_OUT-WS
I2S_OUT-SD
SPKR-EN
R932
NC
4.7K
R933
1
3
5
7
2
4
6
8
R935
100R
I2C-SCL
I2C-SDA
RES_AU
C957
10uF
6.3V
C958
100nF
VCC3V3
VCC3V3
C954
47NF R926 470R
C952
4.7nF
C949
47NF R925 470R
C948
4.7nF
C953
100nF
C950
2.2n
C951
1UF 25V
C955
33nF 50V
VCC3V3
TP79
C976
10uF
35V
C975
10uF
35V
C977
10uF
35V
C970
100nF
C961
33nF
50V
C956
330pF 50V
RP904
NC/100R
RP905
NC/100R
C960
330pF 50V
L907
NR 6045T 220M
L906
NR 6045T 220M
C962
220nF/50V
C959
220nF/50V
C967
220nF/50V
C963
NC
4.7K
R927
VCC3V3
4.7K
R902
OUT
_A
1
PVDD_
A
2
BST_
A
3
GVDD_O
UT
4
SS
TI
ME
R
5
NC
16
AV
SS
9
PLL_FL
TM
10
PLL_FL
TP
11
VR_A
NA
12
AVDD
13
A0/FAULT
14
MCLK
15
DVSS
17
VR_DIG
18
/PDN
19
LRCLK
20
SDIN
22
SDA
23
SCL
24
/RESE
T
25
ST
ES
T
26
DVDD
27
DVSS
28
GND
8
A
GND
7
VREG
6
HPVS
S
34
CP
N
35
CP
P
36
HPVDD
37
BST_D
38
PVDD_D
39
OUT_D
40
PGND_CD
41
OUT_C
42
PVDD_C
43
BST_C
44
BST_B
45
PVDD_B
46
OUT_B
47
PGND_AB
48
EPAD
49
SCLK
21
HPR_IN
29
HPL_IN
30
HP_G
ND
31
HPR_
OU
T
32
HPL_OU
T
33
IC900
TAS5739MD
TAS5739MD
OU
T_
A
1
PVDD_A
2
BST_
A
3
GVDD_OU
T
4
SS
TI
ME
R
5
NC
16
AV
SS
9
PL
L_
FL
TM
10
PL
L_
FL
TP
11
VR_A
NA
12
AVDD
13
A0/FAULT
14
MCLK
15
DVSS
17
VR_DIG
18
/PDN
19
LRCLK
20
SDIN
22
SDA
23
SCL
24
/RESET
25
ST
ES
T
26
DVDD
27
DVSS
28
GND
8
AG
ND
7
VREG
6
HPVSS
34
CP
N
35
CP
P
36
HPVDD
37
BST_D
38
PVDD_D
39
OUT_D
40
PGND_CD
41
OUT_C
42
PVDD_C
43
BST_C
44
BST_B
45
PVDD_B
46
OUT_B
47
PGND_AB
48
EPAD
49
SCLK
21
HP
R_IN
29
HPL_IN
30
HP_G
ND
31
HP
R_OU
T
32
HPL_OU
T
33
IC902
C935
10uF
35V
C978
10uF
35V
TP72
TP68
TP69
TP70
TP71
TP78
TP77
C966
33nF 50V
C968
33nF 50V
R905
0R
R930
0R
RES_AU
5A
F900
V_AUDIO
V_AUDIO
4A
L904
30R
4A
L908
30R
VCC19V
V_AUDIO
R917
27K
1UF
C926
1UF
C942
1UF
C944
1UF
C945
1UF
C969
10UF
C943
3
1
2
S605
C917
10uF
6.3V
C939
10uF 6.3V
C964
10uF
6.3V
R903
0R
R911
0R
13
20 21
36
37
38
39
36
37
38
21
20
13
39
40
40
43
41
41
42
#
Power on (trigger: +5V2_ST)
)
¡
fl
‡
°
·
‚
=
+
,
Содержание 32 VLE 6520 BH
Страница 5: ...GRUNDIG Service Chassis KU 1 5 40 55 UHD...
