Philips L9.2EAA - Page 33

Schematics and PWB’s
GB 33L9.2E 7.
NC
0 dB
DETECTOR
AGC
CONTROL
AGC
BANDGAP
SUPPLY
2V2
4V4
2V4 1V2
A5-40
AM MONO DEMODULATOR
10 11 12
A
B
C
D
E
F
G
H
1701 D4
2702 E5
2703 E6
2704 E7
2705 F7
2706 E7
2707 E9
1V8
A5-39
2V2
3V1
A5-53
(for BG/I/LL’ Mono sets only)
2V2
3V7
A5-37
A7-27
5V2
123456789101112
123456789
1V8
A5-38
1V8
2709 C7
2710 C7
3707 E8
3709 F7
3710 F8
3712 E9
3713 E9
4220 E8
7703 E8
7704 E9
7705 C5
A5-45
A7-26
47K
3712
2702
4u7
12MUTE
1552
10
SWITCH
14
VP1
11
VP2
A1
7704
A2
7705
TDA9830
8
AFOUT
7
AMIN
6
AMOUT
3
CAGC
4 CREF
9
EXTIN
GND
13
16
IFIN1
1 IFIN2
3707
47K
3713
150K
4u7
2703
3710
4K7
220n 2704
7703
BC847B BC847B
220n 2707
4u7
2710
2705
220n
100n 2709
2706
220n
+5VA
4220
1
2
3
4
5
3709
27K
1701
FM_AudioMono
Sys1|AM
ExtAudioMono
Sys2|AMFM_ExtSel
FM|AM|Audio
FM|AM|ExtAudioMono
LLp|F1
LLp|F2
CL 96532028_045.eps
070499
10mV / div AC
5µs / div
A1