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Grundig Chassis KR Serviceanleitung Seite 99

Inhaltsverzeichnis

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GRUNDIG Service
Chassisplatte – Verstärker / Chassis Board – Amplifier
35
I2S
R903
34
I2S_OUT-MCK
100R*4
I2S_OUT-MCK
I2S_OUT-WS
I2S_OUT-WS
I2S_OUT-BCK
I2S
I2S_OUT-BCK
I2S_OUT-SD
I2S_OUT-SD
33
TP112
R905
SPKR-EN
SPKR-EN
1K
32
R907
C928
C929
4.7K
22PF
22PF
14 15
R909
I2CA
I2CA_SDA
I2CA
I2CA_SDA
I2CA_SCL
I2CA_SCL
R904
4.7K
VCC3V3
R906
4.7K
R912
MUTE-AMP
MUTE-AMP
1K
R917
C942
27K
100NF
T900
BC847BW
38
R922
HP_Audio-R
HP_Audio-R
HP_Audio-L
HP_Audio-L
4*0R
C946
R924
220K
3.3NF
VCC3V3
35
R928
100R*4
I2S_OUT-MCK
34
I2S_OUT-WS
I2S_OUT-BCK
33
I2S_OUT-SD
R930
SPKR-EN
32
1K
R932
C971
C972
C973
4.7K
22PF
22PF
22PF
15
R934
14
I2CA_SDA
I2CA_SCL
9
100R*4
RES_AU
Power on (trigger: VCC_24V)
9
$
C900
4.7NF
R900
C901
47NF
470R
C906
4.7NF
R901
C908
47NF
470R
IC900
VCC3V3
C914
C915
10UF
100NF
13
AVDD
R902
14
A0/FAULT
15
4.7K
MCLK
16
NC
17
C919
C917
DVSS
18
VR_DIG
10UF
100NF
address=0x44
19
/PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
C930
C931
R908
100K
TAS5739
22PF
22PF
RES_AU
VCC3V3
C937
9
100NF
100R*4
+5V2_ST
V_AUDIO
PD
PD
D900
D901
BAT54C
R916
BAT54C
9.1K
C943
TP115
4.7UF
R919
R918
9.1K
10K
1
R920
1
R921
1.2K
IC901
10K*4
AP432SRG-7
C944
1UF
C945
1UF
C950
C947
R923
C948
4.7NF
220K
3.3NF
2.2NF
R925
C949
47NF
C953
100NF
470R
C952
4.7NF
R926
C954
47NF
470R
IC902
C957
C958
R927
10UF
100NF
4.7K
13
AVDD
14
A0/FAULT
15
MCLK
16
NC
17
C964
C965
DVSS
18
VR_DIG
10UF
100NF
19
/PDN
address=0x46
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
C974
R933
TAS5739
100K
22PF
VCC3V3
C981
100NF
%
TP107
C932
C933
C934
10UF
10UF
10UF
C903
C905
33NF
2.2NF
C907
100NF
36
49
EPAD
C916
48
PGND_AB
33NF
47
OUT_B
46
C984
PVDD_B
45
100NF
BST_B
44
BST_C
43
C985
C920
PVDD_C
42
100NF
OUT_C
33NF
41
PGND_CD
40
OUT_D
39
C926
PVDD_D
38
100NF
C923
BST_D
37
33NF
HPVDD
C927
C986
VCC3V3
1UF
100NF
RP903
100R*4
C936
1UF
C939
10UF
R911
10R
R915
10R
R913
C941
C940
R914
1K
1K
22NF
22NF
HP_DETECT
L
7 BQ
Serial
SDIN
Audio
Port
R
7 BQ
Sample Rage
MCLK
SCLK
Autodetect
Microcontroller
LRCLK
and PLL
SDA
Serial
SCL
Control
C951
Terminal Control
1UF
C956
C955
33NF
RP904
330PF
100R*4
36
49
EPAD
48
PGND_AB
47
OUT_B
46
C960
PVDD_B
45
C961
33NF
RP905
BST_B
100R*4
330PF
44
C966
33NF
BST_C
43
PVDD_C
42
OUT_C
41
PGND_CD
40
C968
33NF
OUT_D
39
PVDD_D
38
BST_D
37
HPVDD
VCC3V3
C969
C970
1UF
100NF
TP119
C975
C977
C976
C978
C979
L907
1UF
10UF
10UF
10UF
10UF
C980
1UF
32
°
2 - 31
V_AUDIO
F900
VCC24V
C935
L904
5A
10UF
C902
RP900
330PF
100R*4
L900
33uH
NRS6045T330MMGK
C909
68NF
C910
RP901
C911
C912
330PF
100R*4
NC
NC
C913
L901
68NF
33uH
NRS6045T330MMGK
SP_LEFT+
SP_LEFT-
37
SP_RIGHT-
RP902
L902
100R*4
33uH
SP_RIGHT+
NRS6045T330MMGK
C918
68NF
C921
C922
NC
NC
C924
36
330PF
C925
L903
68NF
33uH
NRS6045T330MMGK
6R case: C909,C913,C925 and C918 are 100nF
C938
330PF
39
PHONE_JACK_PJ-3600
S901
3
TP113
HPR
TP114
HPL
2
D902
D903
4
1
TP116
C983
10NF
2 x PESD5V0S1BL
R936
R935
HP_DETECT
VCC3V3
10K
100R
OUT_A
2 HB
th
4
FET Out
OUT_B
Order
Noise
Shaper
and
OUT_C
2 HB
PWM
OUT_D
FET Out
DAP
Click and Pop
Protection
Control
Logic
Based
HPL_OUT
System
TAS5739
Control
HPR_OUT
HPL_IN
HPR_IN
OLED OPTION
R950
0R
R951
0R
L905
SUBW+
To Woofer
R952
R953
C959
0R
0R
37
220NF
S902
C962
C963
3
TP117
P3
220NF
220NF
2
P2
1
C967
P1
TP118
220NF
L906
SUBW-
D950
D951
PESD5V0S1BL
PESD5V0S1BL
V_AUDIO
·
Chassis KR
S900
1
P1
TP108
2
P2
3
TP109
P3
TP110
4
P4
TP111
To Speaker
UART-TX
UART-TX
UART-RX
UART-RX

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