L9.2A
/78
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Schematics and PWB’s
Esquemas Elétricos e Guias de Placas
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L9.2A
7.
47
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AMPLIFIC. DE ÁUDIO
AudioR
C1-80
AudioL|Mono
C1-79
AudioSupply10V|14V
2964
RES
3954
RES
A
2965
RES
3955
RES
2952
C1-49
3962
RES
2n2
220n
2957
220n
MainAudioL|Mono
2953
B
A16
16
0247
13
4905
1
2
3
Buzzer
C1-2
*ITV
3961
RES
7954
TDA7053A
4
5
VP
2
2963
2962
2n2
220n
0246
Speaker Left
SpkLpIn
SpkLpOut
1
2
3
MainAudioR
C1-17
0246 C9
0247 C11
2950 C3
2951 D6
2952 B6
2953 B5
2955 E10
2957 B7
2958 D9
2959 D9
2960 D9
2961 D9
2962 C6
2963 C5
2964 A8
2965 A8
3950 D4
3951 C3
3953 D5
3954 A8
3955 A8
3961 B3
3962 B3
3963 C3
4905 C8
4906 C8
6953 C4
6954 D3
7954 B6
7956 D5
9958 E10
3963
RES
STABILIZER TEMPERATURE
Vref
PROTECTION
A17
To 0234 of
C
Volume
C1-3
3951
+9V
A18
6
2950
3950
6954
27K
RES
4906
4
Speaker Right
SpkRpOut
SpkRpIn
4
5
12
6953
2951
3K3
10u
BZX79-C3V3
7956
BC857B
3953
8
9
NC
0R
22u
2958
2959
2960
RES
RES
RES
1
3
11 15
7
14
10
RES
A19
2961
D
BTSC DECODING + SOURCE SELECT + SMART SOUND
Smart Sound
2922
2923
2924
2925
2972
2973
2974
2975
3923
3924
3925
3926
3927
3928
3929
3973
3974
3975
3976
3977
3978
3979
7922
7923
7952
7955
33nF
100nF
82nF
10nF
33nF
100nF
82nF
10nF
470R
6K8
5K6
1K8
1K8
12K
220R
470R
6K8
5K6
1K8
1K8
12K
220R
BC847B
BC847B
BC847B
BC847B
Basic Sound
-
-
-
-
-
-
-
-
-
Jumper
-
-
-
-
-
-
Jumper
-
-
-
-
-
-
-
-
-
2882
2883
2884
3868
3869
4861
4862
7862
AV
1uF
1uF
100nF
3K3
3K3
-
-
HEF4052BT
No AV
-
-
-
-
-
Yes
Yes
-
SOUND AMPLIFIER
Headphone
0247
4905
4906
Yes
-
-
No Headphone
-
Yes
Yes
9958
AudioSupplyGnd
MainAudioGnd
E
A16 R+
A18 L+
F
0.2V / div AC
0.5ms / div
A17 R-
0.2V / div AC
0.2ms / div
A19 L-
G
0.2V / div AC
0.5ms / div
0.2V / div AC
0.2ms/div
H
CL 96532047_011.eps
260599
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PHILIPS [ NXP SEMICONDUCTORS ]
