Philips L01.1U - Mono Carrier: BTSC NDBX Stereo Decoder

60L01.1U AC 7.
Circuit Diagrams and PWB Layouts
Mono Carrier: BTSC NDBX Stereo Decoder
A12
200mV / div AC
1ms / div
A15
10V / div DC
1ms / div
A14
10V / div DC
20µs / div
A13
10V / div DC
20µs / div
A16
10V / div DC
1ms / div
CTRL AMP
L-R
VOLUME
LEFT
CTRL
FIL
REF
AND
TONE
RIGHT
CTRL
TONE
LEFT
CTRL
NC
NC
VOLTAGE
DET AND
DEMATRIX
+
NC
MODE
SELECT
TRANSC
INPUT
SELECT
STEREO DECODER AUTOMATIC
RIGHT
CTRL
LOGIC
VOLUME
I2C
VOLUME AND
LEVEL CONTROL
L+R
SUPPLY
1V
A7-14
*
A8-45
4V
*
A7-13
4V
D
E
F
A
B
C
D
E
F
1861 C4
2803 C4
2862 C2
2863 C2
2864 B4
2865 B4
2866 E6
2867 E7
2868 E7
2869 D7
2870 C7
12345678910
12345678910
A
B
C
0V 0V
4V
*
4V
0V
0V
2871 C7
2872 C7
2873 B7
2874 E5
2875 E5
2876 B6
2877 E4
2878 E4
2879 E4
2880 E3
2881 E6
2882 E6
2883 E4
2884 B3
2885 B4
2886 E4
2892 B10
2893 E10
3861 E6
3862 C3
3863 D3
3864 D3
4V
BTSC - NDBX STEREO DECODER
4V
4V
4V
4V
RES
4V
RES
A13-60
4V
3865 F3
3866 F3
3867 B4
3891 B8
3892 A9
3893 C9
3894 E8
3895 D9
3896 F9
4861 E7
4862 D8
4863 B7
4864 B8
4893 B8
4894 E8
5861 E3
4V
*
*
RES
4V
0V
4V 8V
A13-61
A10-47
4V 4V
RES
6V
4V
6V
*
7861 C4
7891 B9
7892 E9
9891 A9
9892 D9
RES
A5-42
4.3V
4V
0V
4V 4V
4V
A8-46
4V
8V
*
*
RES
4V
*
*
4V
RES
0V
4V
*
4V
*
*
4V
0V
*
4V
A10-48
220n 2886
2892
100n
150p
2868
2882
CSB
3893
330R
A14
2863
10u
2877
1K2
3863
A15
100K
3861
15K
3862
3864
100R
2864
2u2
A12
470u 2883
2874
100u
4u7
2876
2u2
2873
3n32872
3896
330R
100R
3865
1u
10u
5861
4n7
2879
2803
220n
47n
2870
2867
3n3
100R
3891
3892
22n
2880
4893
4864
4894
2878
4V
0V
BC847B
7891
A13
100n
2893
100u
2875
9892
2871
150p
2885
220n
47n
2869
7892
BC847B
2881
A16
3866
100R
2u2
2865
1861
514K5
2u2
2884
3K3
3867
4863
2u2
2862
4862
100R
3894
3895
2u2
2866
VCC
10
VIL
24
VIR
27
VREF
44
16OUTL
18OUTR
7
RFR
40
SCL
38
SDA TC1L
13
21
TC1R
14
TC2L TC2R
20
30
TW
VAL
11
VAR
23
28
VCAP
4131
37
DGND
FDI
35
33
FDO
8
LIL
26
LIR
9
LOL L OR
25
39
MAD
1 121722 34
36
AGND
BCL
15
19
BCR
32
BPU
29
CAV
43
CER
5
CMO
4
COMP
3
CP1
2
CP2
42
CPH
6
CSS
CW
4861
9891
TDA9853H
7861
SDA
SCL
+8V
QSS_AM_DEM_OUT
+8V
+8V
L-OUT
R-OUT
SC1_RINA
Main_OutR
Main_OutL
SC1_LINA
CL 26532119_018.eps
111202
www.freeservicemanuals.info
22/11/2016
Published in Heiloo Holland