Circuit Diagrams And Pwb Layouts; Ssb: Tuner And Vif (A1) - Philips LC4.6E AA Service Manual

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Circuit Diagrams and PWB Layouts

7. Circuit Diagrams and PWB Layouts
SSB: Tuner and VIF
1
2
TUNER + VIF
*
1302
UR1336/A F S H-3
A
GAIN
TRACK
CTRL
TRACK
PRE-FIL
FILTER
PRE-AMP
FILTER
RF
TV
RF
FM
B
F301
12
MT
13
COMPAIR
1301
1
2
3
S3B-PH-SM3-TB-A
C
F302
A2
SCL
3302
100R
SDA
F303
A2
3303
100R
6331
6330
BZX384-C6V8
BZX384-C6V8
RF_AGC
A2
F311
F309
SEL_IF
A2
D
+VTUN
F307
E
UART
+3V3STBY
5304
1681
F
F313
1
F315
2
F314
3
S3B-PH-SM3-TB-A
3139 123 5837.1
1
2
LC4.6E AA
3
4
*
1302
FM
No FM
PAL / SECAM
UR1318
UV1318
NTSC / LATAM
UR1338
UV1338
MIX-OSC
IFOUT
11
0V
IF AMP
F305
FM-IFOUT
10
0V
F306
AGC
DET
PLL
15
MT
14
I304
F308
2302
2303
22p
22p
+5VSW
For FM Radio Only
4312
3327
RES
1K0
2314
100n
4313
2308
2307
2u2
50V
47n
2313
3313
I313
*
1n0
FOR TESTING DURING DR STAGE :
PIN1=TX, PIN2=GND,PIN3=RX
3304
3305
10K
10K
FROM SCALER
3328
100R
UART_TX
A7
3329
100R
UART_RX
A7
F302
F303
1V
/ div DC
20us
/ div
3
4
7.
23
5
6
+5VSW
5309
12u
3309
10K
2309
470u 16V
6310
BAS316
6311
2311
RES
100u 16V
3311
10K
3322
4340
I321
2321
6K8
IF-TER
10n
5321
3321
3323
390n
2K2
2K2
6323
1SS356
3325
22K
I320
BC847BW
3319
7320
27K
I325
BC847BW
I319
3316
3314
3326
100K
820R
47K
3320
18K
I318
2318
4318
1n0
RESERVE
7316
BFS20
I317
3317
2317
3315
150K
560R
1n0
F306
1V
/ div DC
200mV
/ div AC
20us
/ div
20us
/ div
5
6
7
8
9
EU
AP
CHINA
NAFTA
1328
1329
4327
Y
Y
--
Y
EUROPE
OFWK3953L
--
4328
--
--
Y
--
AP
OFWK7265L
--
--
4329
--
Y
--
CHINA
OFWK3956L
OFWK9355L
4331
Y
--
Y
--
NAFTA
OFWM1967L
--
--
4333
Y
Y
Y
--
--
4334
Y
--
4336
--
Y
Y
--
4337
--
--
Y
--
4338
--
--
Y
--
4339
--
--
--
--
1328-A
5324
OFWK3953L
6u8
2
7
4327
I324
4328
RES
3
8
820n
5339
2324
10n
4329
4330
1328-B
OFWK3953L
3324
MT
NC
4331
2K2
1
5
9
13
15 11
16
4
6
10
14
18
12
17
6324
1SS356
1329-A
OFWK3955L
I322
2
7
7325
3
8
1329-B
OFWK3955L
MT
NC
1
5
9
13
15 11
16
4
6
10
14
18
12
17
1330-A
4332
OFWK9656L
F318
2
4333
7
4334
RES
3
5340
F319
8
4335
4336
1330-B
OFWK9656L
MT
NC
EUROPE & AP
PAL-MUTLI
1
5
9
13
15 11
16
4
6
10
14
18
12
17
ONLY
F310
7
8
9
1301 C1
I304 C3
1302 A1
I313 E4
1328-A B8
I317 E5
1328-B C8
I318 E5
1329-A D8
I319 D6
1329-B D8
I320 D6
1330-A E8
I321 C6
1330-B F8
I322 D7
1681 F2
I324 C7
2302 C2
I325 D7
2303 C3
2307 E2
1330
OFWK9656L
2308 E3
OFWK9361L
2309 B6
OFWK9352L
2311 C5
A
--
2313 E4
2314 D4
2317 E5
2318 E5
2321 C6
2324 C7
3302 C1
3303 C1
3304 F2
3305 F3
3309 B6
3311 C5
3313 E4
B
3314 D5
3315 E5
3316 D5
3317 E5
3319 D6
3320 D6
3321 C6
3322 C7
3323 C7
3324 C7
3325 D7
3326 D7
3327 D2
3328 F3
C
3329 F3
4312 D3
4313 E4
4318 E6
4327 C7
4328 C7
4329 C7
4330 C7
4331 C8
4332 E7
4333 E7
4334 E7
4335 E7
D
4336 E7
4337 C9
4338 C9
4339 C2
4340 C5
5304 E2
5309 B5
5321 C6
5324 B7
5339 C9
F316
5340 E9
A2
VIF2
6310 B5
F300
A2
6311 C5
VIF1
E
6323 D7
A2
6324 C7
SIF2
6328 F2
6329 F2
6330 C1
A2
6331 C1
SIF1
7316 E5
7320 D6
7325 D7
F300 E9
F301 B1
F302 C1
F303 C1
F305 B4
F
F306 B4
A2
SSIF
F307 E2
F308 C3
F309 D1
F310 F9
F311 D1
F313 F2
F314 F2
F315 F2
F316 E9
F318 E9
E_14710_015.eps
F319 E9
020904

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