Circuit Diagrams And Pwb Layouts - Philips LC4.1E Service Manual

Circuit Diagrams and PWB Layouts

7. Circuit Diagrams and PWB Layouts
SSB: Tuner + VIF
1 2
TUNER + IF
B1
A
1302
UR1316/A I H-3
PRE-FIL
RF
TV
I57
+3V3STBY
ITV INTERFACE
1332
B
5 6 RF
4
FM
3
2
F301
12
1
MT
BM04B-SRSS-TBT 13
1331
1
2
C
3
S3B-PH-K
3302
3303
100R 100R
F302
B2
SCL
F303
B2 SDA
RES
D
2302
22p
B2 RF_AGC F309
F310
B2 SEL_IF
E
F
3139 123 6019.1
1 2
LC4.1E AB 7.
3 4
* 1302
With FM UR1316
Without FM UV1318
GAIN
TRACK CTRL TRACK
FILTER FILTER
PRE-AMP
MIX-OSC
F306
IFOUT 11 0V
IF AMP
F305
FM_IFOUT 10 0V
AGC
DET
PLL
15
MT
14
NC
F308
I301
+VTUN
3327
1K0
RES
2303 2307
2308
22p 47n
2u2 50V
3 4
25
5 6
IF_TER
+5VSW
5309
+5VSW
12u
3309
10K
2309
330u 6.3V
I306
6310
BAS316
3322
3311
2321 I307 6K8
10K
10n
2311
22u 6.3V 5321
3321 3323
390n 2K2
2K2
6323
1SS356
I308
7320
3V5
BC847BW
I310
27K
3319 0V
3320
18K
+5VSW
3316
2314 3314
100n 100K 820R
I303 0V6 2318 F311
I302
2313 1n0
7316
BFS20
1n0
1V2
I304
0V5
3317 2317
3315
150K 560R 1n0
FOR FM RADIO ONLY
5 6
7 8 9
5324
6u8
2324
F312
10n
1328
OFWK3953L
2 7
I O1 F313
3 8
ISWI O2
1
4 11
5 12
6 NC 16
9 17
10 GND
13
14
15
18
1330
OFWK9656L
F314
2 7
I O1
3 8
ISWI O2
1
F315
4 11
5 12
6 NC 16
9 17
10 GND
13
14
15
18
40M4
7 8 9
1302 A2
1328 C8
B1
1330 D8
1331 C1
1332 B1
2302 D2
2303 D2
A 2307 D3
2308 D3
2309 C5
2311 C5
2313 F5
2314 E5
2317 F6
2318 E6
2321 C6
2324 C7
3302 C1
3303 C1
3309 B5
3311 C5
B
3314 E5
3315 F5
3316 E6
3317 F6
3319 D5
3320 E6
3321 C6
3322 C7
3323 C7
3327 D3
4339 C3
5309 B5
5321 C6
C
5324 B7
B2
VIF2
6310 C5
6323 D7
7316 F5
B2
7320 D6
VIF1
F301 B1
F302 D2
F303 D2
F305 B4
F306 B4
F307 C3
F308 C4
F309 D2
D F310 D2
F311 E6
F312 C9
F313 C9
F314 D9
B2 F315 E9
SIF2
I301 C4
I302 F5
I303 E5
B2 I304 F6
SIF1
I306 C7
I307 C6
I308 D6
I310 D6
E
S301 C1
S302 C1
SSIF B2
F
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