Philips AZ 2558 Service Manual page 27

MP3 BOARD- CIRCUIT DIAGRAM
1820 C3 2811 D2 2845 A6 2849 C5
1821 E10 2842 C1 2846 A7 2850 B6
1823 C10 2843 A5 2847 D6 2851 C7
1824 D10 2844 A5 2848 C5 2853 E7
1
A
B
C
#
2842
SPDIF_GND
to 1824
100p
uC-Interface
3911
SPDIF_GND
100R
3838
SPDIF
470R
from
to
7800
on
D 7800
sheet1
on
sheet 1
(CD10)
to
7800
on
sheet 1
E
(CD10)
1
9 - 2
2854 D6 3840 A7 3868 A5 3873 B5
2855 D5 3864 A5 3869 A6 3874 C5
2857 E6 3865 C7 3870 A7 3875 C5
3838 D1 3867 A5 3871 A7 3876 B6
2 3 4
DACRIGHT_neg
DACRIGHT_pos
DACLEFT_neg
DACLEFT_pos
1820
1
GND
2
uP_CLK uP_CLK
3
uP_DATA uP_DATA
4
uP_FRAME
uP_FRAME
MP822
5
SPDIF_GND SPDIF_GND
MP823
6
SPDIF
MP821
7
PORE CD10_RESETn
MP878
2811 8
#
SILD SILD
47n
MP879
9
RAB RAB
MP880
10
SICL
SICL
MP881
11
SDA SDA
12
GND
13
IIS_SCLK
IIS_SCLK
14
GND
15
IIS_WCLK IIS_WCLK
16
AU_IIS_DATA AU_IIS_DATA
17
CD_IIS_DATA CD_IIS_DATA
MP885
18
GND
MP886
19
+5V
+5V
FMN
2 3 4
3877 C7 3882 C7 4807 C6 7874 C6 MP811 E10
3879 C7 3883 C5 6877 E7 7875 E7 MP821 D3
3880 E7 3884 D5 7810-A A6 MP801 C10 MP822 D3
3881 E7 3911 C1 7810-B C6 MP807 D10 MP823 D3
5 6
2845
220p
3869
10K
GNDA
3864
2
2V1 4
1
22K
3867 2V1
3
2V1
TDA1308T
8
7810-A
22K
4V3
GNDA
Vref_Audio
2850
220p
3876
10K
GNDA
3873
6
2V1 4
22K 7
3874 2V1
5
2V1
TDA1308T
8
22K
7810-B
4V3
MP867
7874
GNDA
BC847B
4V3
Vref_Audio
MP868 5V
2V1
Vref_Audio
GNDA
GNDA
GNDA
+5V
3V3
+3.3V
MP865
5 6
9 - 2
MP846 C10 MP866 C10 MP878 D3 MP885 E3
MP863 D10 MP867 C6 MP879 D3 MP886 E3
MP864 C10 MP868 D5 MP880 D3 MP898 C10
MP865 E6 MP871 D10 MP881 D3 MP899 C10
7 8 9
2846
3871
100R
10u
GNDA GNDA
2851
3865
10u
100R
GNDA GNDA
5V
+10V
uP_FRAME
to 1820
MP3-Interface
uP_DATA
uP_CLK
7875
33R
4V3
BC847B
3880
150R
4V
3881
7 8 9
10
A
B
6p-connector
1823
MP864
1
CD_LEFT
MP866 2
GNDA
GNDA
MP846 3
CD_RIGHT
MP898 4
C
+5V
MP899
5
GND
MP801
6
+10V
FE-ST-VK-N
1824
D
5p-connector
MP871 1
uP_FRAME
MP807 2
GND
MP863
3
uP_DATA
MP811
4
uP_CLK
5
GND
6
+5V/doorsw
FE-ST-VK-N
E
1821
2
GND
1
doorswitch
EH-S
10