Schematics and PWB’s
31
L01.1E
7.
Large Signal Panel: NICAM + 2CS + BTSC (Stereo / SAP Decoder)
A8a
A6
A7
A8
A9
A10
A11
A5
A11a
SCART
LOUDSPEAKER
TP
NC
VREFTOP
SOUND IF
ANA_IN1-
SCART-L
IDENT
A/D
A/D
SCART-R
MONO-IN
D/A
D/A
D/A
D/A
SCART-L
SCART-R
LOUDSPEAKER L
LOUDSPEAKER R
DSP
SC1-IN-L
SC1-IN-R
SC2-IN-L
SC2-IN-R
MONO
SCART 1
SCART 2
SCART
Switching Facilities
SC1-OUT-R
SC1-OUT-L
DACM-L
DACM-R
AUDIO PLL
CAPL_M
TESTEN
DVSS
DVS UP
AGNDC
AVS S
AVS UP
AHVS S
AHVS UP
VREF1
VREF2
RESETQ
STANDBYQ
ADR_SEL
I2C_CL
I2C_DA
DEMODULATOR
& NICAM
DECODER
FM1/AM
FM2
NICAM A
NICAM B
NICAM + 2CS + BTSC (STEREO/SAP) DECODER
RES
RES
RES
RES
RES
A10-47
A10-48
A10-49
A5-42
A5-44
A10-50
A7-13
A7-14
A5-43
A9-43
A10-51
A8-46
A8-45
A9-43
*
*
A7-8
MSP34X5G
*
*
*
6V2
0V
0V
0V
3V8
0V
5V
0V
7V8
0V
0V
5V
5V
0V
3V7
3V7
2V4
2V4
1V8
1V8
0V
0V
3V
3V
2V6
1V5
1V5
3V8
3V8
3V8
2V5
0V
5V
2V5
5V
3V
*
TO
0215
OF
3V1
3V8
8V1
3V
3V
8V1
3843 F2
3849 F4
4831 E9
4832 D10
4833 F9
4834 F2
4835 F3
4836 F3
5831 B3
5832 B9
5833 G2
5835 F2
6831 B3
7831 C7
7832 E9
7833 E9
7834 E4
7835 F3
A
B
C
D
E
F
G
A
B
C
D
E
F
G
0239 F10
1831 C9
2831 C9
2832 C8
12p
2896
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
7835
BC847B
2833 D4
2834 B3
2835 B4
2836 B4
1n
2859
2837 B4
2838 B10
2839 B10
2840 B6
2841 C5
2842 A7
2843 A7
2844 C3
2845 C3
2846 G2
2847 D3
2848 D3
2849 C10
2850 D10
2851 E10
2852 E9
2853 F10
2854 F9
4834
2855 E2
3841
33K
2856 E3
2857 F2
2858 F4
2859 G2
2860 F3
2894 A7
2895 A7
2896 F3
2897 C3
2898 B6
3831 B3
1K
3836
3832 A10
3833 B10
3834 D2
3835 D3
3836 E9
3837 E8
3838 F9
3839 E8
3840 E3
3841 F3
3842 G5
4836
2898
10n
1
2
3
2897
390p
0239
220p
2894
560p
2895
3843
2860
4835
7834
BC847B
3849
470R
2856
2858
1n
12p
BC847B
7832
7833
BC847B
3840
4K7
2855
39p
3842
22K
4832
4833
4831
2846
100u
5833
3u3
220p
2835
2834
470p
6u8
5832
680R
3834
100R
3835
330n
2847
100R
3833
1n
2848
100R
3832
2838
2839
2853
2851
220n
220n
3838
1K
6u8
5831
2854
1n
5835
15u
220p
2857
2837
10u
18M432
1831
HC-49/U
3831
47K
1N4148
6831
100R
3837
3839
100R
100n
2852
1n
100n
2840
2842
1n
2850
1n
2849
100n
2845
1p5
2832
1n5
2836
2833
47p
1p5
2831
2841
10u
10u
2843
9
10u
2844
41
42
43
44
45
46
47
48
49
5
50
51
52
6
7
8
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
5V
5V
+5VA
MONO|AM_MONO_SOUND
+8V
+5VA
FMR
KEYBOARD_protn
7831
1
10
11
Main_OutL
+5VA
SCL
SDA
Main_OutR
5V
SC1_RIN
SC1_LIN
QSS_AM_DEM_OUT
SC1_LOUT
SC1_ROUT
+8V
SC2_CTRL
MONO|AM_MONO_SOUND
+8V
CL 16532020_035.eps
050601
DIVERSITY TABLE SEE PAGE 24
A8
1V / div DC
500us / div
A9
500mV / div DC
500us / div
A10
500mV / div DC
500us / div
A11
1V / div DC
200us / div
A8a
1V / div DC
500us / div
A11a
500mV / div DC
2us / div