Mono Carrier: Nicam + 2Cs + Btsc Decoder (A9) - Philips L01.2E AB Service Manual

Circuit Diagrams and PWB Layouts
Mono Carrier: NICAM + 2CS + BTSC Decoder
1 2
NICAM + 2CS + BTSC (STEREO/SAP) DECODER
A
+5VA
VlotAux+5V
B
VlotAux+5V
C
A11
MONO|AM_MONO_SOUND 3834
A9-43
680R
3835
D
100R
SC1_LIN
A10-47
SC1_RIN
A10-48
+5VA
A13
2855 2856
QSS_AM_DEM_OUT
E
A5-42
39p 12p
F
2859
FMR
A5-44
1n
5833
VlotAux+5V +5VA
3u3
G
1 2
L01.2E AB 7.
3 4 5
2843
10u
2842
100n
6831
1N4148
3831
47K
2897
330p
34 50 17 16
2V6 43
VREFTOP
SOUND IF
1V5 47
ANA_IN1+
DEMODULATOR
2833
& NICAM
1V5 48
ANA_IN1-
DECODER
47p
MONO
2847
3V8 44
MONO-IN
330n
2848
3V8 41
SC1-IN-L
1n
SCART 1
3V8 42
SC1-IN-R
39
SC2-IN-L
SCART 2
40
SC2-IN-R
7835 7834
BC847B
BC847B
4V9 4V9
4V8 0V
4V1 4V1
2858
1n
12 18 19
*
A5
*
3842
22K
3 4 5
24
6 7
2895
560p
2894
220p
2898
10n
5832
6u8
2840
100n
7831
MSP34X5G
36 45 46 35 33 29 23 20 6 5 7 8 51 52
AUDIO PLL
25 1V8
DACM-L
FM1/AM D/A
FM2 LOUDSPEAKER L LOUDSPEAKER
24 1V8
NICAM A DACM-R
NICAM B D/A
LOUDSPEAKER R 2
3 0V
IDENT
4
DSP 0V
SCART-L 9
A/D
10
TP
A/D SCART-R
11
SCART-L
D/A
13
SCART-R D/A
14
15
26
31 3V
SC1-OUT-L
SCART
SCART Switching Facilities
SC1-OUT-R 30 3V
NC
21 22 27 28 32 37 38 49 1
A6 A7 A11
2V / div DC 2V / div DC 1V / div DC
200us / div 200us / div 500us / div
6 7
8 9 10
Diversity Table A9
2838
A6
RES
3832
SCL
A7-13
100R
2839 Item Description
2831 1pF 50V
A7
RES 2832 1pF 50V
2833 47pF 50V
3833
SDA
2834 470pF 50V
A7-14 2835 220pF 50V
100R
2836 1nF5 50V
2837 4.7uF 50V
+8V 2838 47pF 50V
2839 47pF 50V
2840 100nF 25V
1831
2841 10uF 50V
2842 100nF 25V
2843 10uF 50V
18M432
2844 10uF 50V
HC-49/U
2845 100nF 25V
2846 100uF 25V
2847 16V 1U
2849 1nF 50V
2850 1nF 50V
2851 4.7uF 10V
A10
2852 1nF 50V
2853 4.7uF 10V
Main_OutL
2854 1nF 50V
2855 27pF 50V
A8-45
2849
A9 2856 15pF 50V
2857 150pF 50V
1n 2858 1nF 50V
Main_OutR
2859 1nF 50V
A8-46
2850 2860 56pF 50V
2860 82pF 50V
2894 220pF 50V
1n
2895 560pF 50V
SC2_CTRL
2897 390pF 50V
2898 10nF 50V
A10-50
3831 47K
3832 100R
MONO|AM_MONO_SOUND
4832
3833 100R
A5-43
3834 1/6W 100R
A9-43 3836 1K
+8V
3837 100R
3838 1K
3839 100R
3837 3840 4K7
* 7832
3841 8K2
BC847B
100R 3842 1K
* 3843 2K2
2851
SC1_LOUT
4831
3849 470R
A10-51 4831 Jumper
A8 220n
4832 Jumper
4833 Jumper
4835 Jumper
4836 Jumper
5831 6U8
A12
5832 6U8
5833 6U8
5833 Wire
+8V
5835 12U
5861 10U
6831 1N4148
*
7833
3839 7831 MSP3415G-PO-B8
BC847B 7832 BC847B
7833 BC847B
100R
*
7834 BC847B
2853
SC1_ROUT
4833
7835 BC847B
9852 Wire
A10-49
220n
8 9 10
1831 B8
2831 C8
2832 C8
2833 C4
2834 B4
2835 B4
2836 B4
2837 B4
2838 A9
A 2839 B9
2840 B6
2841 B5
2842 A5
2843 A5
2844 C3
2845 C3
2846 G1
2847 D3
2848 D3
X X X X X X X
2849 C8
X X X X X X X
2850 D8
X X X X X X X
B
X X X X X X X
2851 E9
X X X X X X X
2852 E8
X X X X X X X
2853 F10
X X X X X X X
X X X X X X X
2854 F8
X X X X X X X
2855 E1
X X X X X X X
X X X X X X X 2856 E2
X X X X X X X
2857 F2
X X X X X X X
2858 E3
X X X X X X X
X X X X X X X 2859 F1
X X X X X X X
2860 E2
2894 A7
X X X X X X X
X X X X X X X 2895 A6
C
X X X X X X X
2896 E2
X X X X X X X
X X X X X 2897 C4
X X X X X X X
2898 B6
X X X X X X X
3831 B4
X X X X X X X
3832 B9
X X X X X X X
X X X X X
3833 B9
X X X X X
3834 D2
X X X X
X X X 3835 D2
X X X X X X X
3836 E9
X X X X X X X
3837 D8
X X X X X X X
X X X X X X X
3838 F9
X X X X X X X
D
3839 F8
X X X X X X X
3840 E3
X X X X X X X
3841 F3
X X X X X X X
3842 F4
X X X X X X X
X X X X X X X 3843 E2
X X X X X X X
3849 F3
X X X X X
4831 E8
X X X X X
4832 D9
X X X X X
X X X X
4833 F8
X X X X X
4834 F1
4835 F3
4836 F3
X X
E
5831 B3
X X X X X X X
5832 B7
X X X X X X X
5833 G2
X X X X X X X
5835 E2
X
X X X X X X X 6831 B4
7831 C7
X X X X X X X
X X X X X X X 7832 D9
X X X X X X X
7833 F9
X X X X X X X
7834 E4
X X X X X
7835 E3
X X X X X
F
G
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