Grundig 40 VLE 5430 BP Servicehandbuch Seite 118

Chassisplatte – Verstärker / Chassis Board – Amplifier
Power on (trigger: +5V2_ST)
# ·
) ‚
¡ =
fl +
‡ ,
°
VCC3V3
R902
4.7K
36
C917
I2S R904 100R 10uF
37
I2S_OUT-MCK 1 8 6.3V
I2S_OUT-MCK
2 7
I2S_OUT-WS
I2S_OUT-WS
I2S_OUT-BCK 3 6 R905 0R
I2S I2S_OUT-BCK
I2S_OUT-SD 4 5
I2S_OUT-SD
38
R906
SPKR-EN
SPKR-EN
TP72
1k
39 R908
R909
4.7K
C928 C929 C930 C931
100K
22pF 22pF 22pF 22pF
20 21
1 8
2 7
I2C I2C-SDA 3 6
I2C-SDA
I2C-SCL 4 5
I2C I2C-SCL
R910 100R
R912
RES_AU
VCC3V3
NC D901
R915
MUTE-AMP
BAT54CW
MUTE-AMP RES_AU
1k
R917
TP76
1UF
27K
13
C942
T900
BC847B
1
42
R922
HP_Audio-R
HP_Audio-R
HP_Audio-L
HP_Audio-L
1K
C946 C947
R924
3.3N
3.3N 220K
VCC3V3
VCC3V3
R927
4.7K
36
R929 100R
37 I2S_OUT-MCK 1 8
I2S_OUT-WS 2 7
I2S_OUT-BCK 3 6 R930
38
I2S_OUT-SD 4 5
SPKR-EN
39
R931 1K
R933
C971 C972 C973 C974
4.7K
22pF 22pF 22pF 22pF
21
1 8
20
2 7
I2C-SDA 3 6
I2C-SCL 4 5
13
R935 100R
RES_AU
C900 4.7nF
C901
C905
R900
C903
470R
47NF 2.2n 33nF 50V
C907
C906 4.7nF
100nF
C908
R901
470R
47NF
IC900
C914 C915
49
EPAD
10uF 6.3V 100nF
13 48
AVDD PGND_AB
14 47
A0/FAULT OUT_B
15 46
MCLK PVDD_B
16 45
NC BST_B
17 44
C918
DVSS BST_C
18 43
VR_DIG PVDD_C
100nF 19 TAS5739MD 42
/PDN OUT_C
20 41
LRCLK PGND_CD
21 40
SCLK OUT_D
22 39
SDIN PVDD_D
23 38
SDA BST_D
24 37
SCL HPVDD
R907
NC
1UF
C926
C932
C936
VCC3V3
1UF 25V 10uF
C937
35V
100nF
C939
10uF 6.3V
+5V2_ST
V_AUDIO
PD
PD R903
D900
0R
BAT54CW
R911
C943 0R
C941
10UF
R918
10nF
10K
R920
1 8
2 7
R921
3 6 1
1.2K %1
4 5 IC901
10K
AP432SRG-7
C944 1UF
C945 1UF
V_AUDIO
C948
4.7nF
C950
R923
C949
220K C951
47NF R925 470R 2.2n
C952 C953 1UF 25V
100nF
4.7nF
C954
47NF R926 470R
IC902
C957 C958
49
EPAD
10uF 100nF
6.3V
13 48
AVDD PGND_AB
14 47
A0/FAULT OUT_B
15 46
MCLK PVDD_B
16 45
NC BST_B
C964 C965 17 44
DVSS BST_C
18 43
VR_DIG PVDD_C
19 42
10uF 100nF TAS5739MD
/PDN OUT_C
6.3V
20 41
LRCLK PGND_CD
21 40
SCLK OUT_D
0R 22 39
SDIN PVDD_D
23 38
SDA BST_D
24 37
SCL HPVDD
R932
C969
NC
R934
1UF
100K
C979
1UF 25V
VCC3V3
C980
C981
100nF 1UF 25V
C902
330pF 50V
RP900
NC/100R
L900
NR 6045T 220M
C910
330p C911 C912
50V
220nF NC
50V
RP901
NC/100R
L901
NR 6045T 220M
40
C916
33nF 50V
L902
NR 6045T 220M
C920
RP902
33nF 50V C921 C922
NC/100R
C923 C924 220nF NC
50V
33nF 50V 330p
50V
C927
VCC3V3
L903
100nF 30R V_AUDIO RP903 NR 6045T 220M
NC/100R
TP73
C933 C934 C935
L904
10uF 10uF 10uF 4A C938
35V 35V 35V
330pF
50V
43
TP74 HPR 3
2
TP75 HPL
1
R913 R914
D902 D903
S605
C940
10nF
1K 1K
L
7 BQ
Serial
SDIN Audio
Port R
7 BQ
F900
DAP
VCC19V
5A
Sample Rage
MCLK
SCLK Autodetect
LRCLK Microcontroller
and PLL
Based
C955
SDA Serial
System
C956
SCL
Control Control
330pF 50V
Terminal Control
33nF 50V
RP904
NC/100R
40
C959
L906
NR 6045T 220M
C960 220nF/50V
C961 330pF 50V C962 C963 SUBW+
C966
41
33nF 220nF/50V NC
33nF 50V 50V RP905
SUBW-
NC/100R
C967
C968
220nF/50V
33nF 50V
L907
NR 6045T 220M
VCC3V3
C970
100nF
30R 4A
TP79
V_AUDIO
C975 C976 C977 C978
L908
10uF 10uF 10uF 10uF
35V 35V 35V 35V
C909
220nF
50V
C913
220nF
50V
SP_LEFT+ TP68 1
P1
SP_LEFT- 2
TP69
41
P2
SP_RIGHT- TP70 3
P3
TP71 4
P4
SP_RIGHT+
C919
220nF S900
50V TO Speaker
MOLEX_5025850470
C925
220nF
50V
OUT_A
th 2 HB
4
OUT_B
FET Out
Order
Noise
Shaper
and
2 HB OUT_C
PWM
FET Out OUT_D
Click and Pop
Protection
Control Logic
HPL_OUT
TAS5739
HPR_OUT
HPL_IN HPR_IN
S902
3
TP77
P3
2
P2
1
P1
TP78
TO Woofer