Circuit Diagrams and PWB Layouts
21
7.
7.
Circuit Diagrams and PWB Layouts
Small Signal Board: Tuner and VIF
NC
MT
NC
MT
PLL
AGC
DET
IF AMP
MIX-OSC
PRE-FIL
TRACK
FILTER
GAIN
CTRL
PRE-AMP
TRACK
FILTER
RF
MT
FM
MT
T
V
RF
NC
MT
Y
0
V
AP
PAL-MUTLI
TUNER + VIF
NTSC / LATAM
OF
W
K7265L
CHINA
NC
RES
UR1338
A
B
C
D
E
F
A
B
C
D
E
F
1301 C1
1302 A1
1328-A B8
1328-B C8
1329-A D8
1329-B D8
1330-A E8
1330-B F8
1681 F2
EUROPE & AP
FM
U
V
1318
No FM
--
--
FROM SCALER
--
U
V
1338
Y
*
--
4336
ONLY
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
RES
Y
Y
1329
A2
4331
5
V
3
2
V
6
2302 C2
2303 C3
2307 E2
2308 E3
2309 B6
2311 C5
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
3314 D5
3315 E5
3316 D5
3317 E5
3319 D6
Y
--
--
PIN1=TX, PIN2=GND,PIN3=RX
--
A2
PAL / SECAM
FOR TESTING DURING DR STAGE :
--
--
A7
OF
W
K3956L
Y
4329
7
V
1
RES
Y
3320 D6
3321 C6
3322 C7
3323 C7
3324 C7
3325 D7
3326 D7
3327 D2
3328 F3
3329 F3
4312 D3
4313 E4
4318 E6
4327 C7
4328 C7
OF
W
K9361L
Y
A2
--
--
--
CHINA
A2
OF
W
K3953L
EUROPE
1302
Y
1
V
7
4338
4329 C7
4330 C7
4331 C8
4332 E7
4333 E7
4334 E7
4335 E7
4336 E7
4337 C9
4338 C9
4339 C2
4340 C5
5304 E2
5309 B5
5321 C6
5324 B7
5339 C9
5340 E9
UART
6310 B5
6311 C5
6323 D7
6324 C7
6328 F2
6329 F2
6330 C1
6331 C1
7316 E5
7320 D6
7325 D7
F300 E9
F301 B1
F302 C1
F303 C1
F305 B4
F306 B4
F307 E2
F308 C3
F309 D1
F310 F9
F311 D1
F313 F2
F314 F2
F315 F2
F316 E9
F318 E9
F319 E9
I304 C3
I313 E4
I317 E5
--
AP
OF
W
K9656L
COMPAIR
For FM Radio Only
--
--
UR1318
--
4333
A7
I318 E5
I319 D6
I320 D6
I321 C6
I322 D7
I324 C7
I325 D7
--
OF
W
K9352L
*
4328
4327
EU
1328
Y
NAFTA
OF
W
K9355L
--
4334
4337
--
--
--
Y
A2
--
A2
NC
Y
RESER
V
E
--
A2
RES
Y
Y
4339
*
A2
NAFTA
OF
W
M1967L
1330
--
--
A2
--
--
2
V
6
5
V
3
--
Y
--
0
V
4313
4335
100R
3302
3319
27K
4332
I318
2309
470u 16
V
+5
V
S
W
F311
4340
4329
4328
4327
10K
3309
22p
2303
F303
820R
3316
I313
I321
I317
10K
3304
10n
2324
I320
4331
4334
7320
BC847B
W
F305
F308
47n
2307
2321
10n
+
V
TUN
100R
3328
3303
100R
1301
S3B-PH-SM3-TB-A
1
2
3
2K2
3321
4337
6310
BAS316
560R
3317
F310
820n
5339
F309
4318
9
10
13
14
15 11
12
16
17
1328-B
OF
W
K3953L
1
18
4
5
6
OF
W
K3953L
1328-A
2
3
7
8
5321
390n
18K
3320
3329
100R
2K2
3324
6329
BZX384-C6
V
8
F302
F300
BZX384-C6
V
8
6331
4336
100n
2314
3
7
8
1n0
2313
+3
V
3STBY
OF
W
K9656L
1330-A
2
4333
2302
22p
9
10
13
14
15 11
12
16
17
OF
W
K3955L
1329-B
1
18
4
5
6
150K
3315
I304
5304
4338
1681
S3B-PH-SM3-TB-A
1
2
3
3305
10K
F315
1n0
2318
I325
OF
W
K3955L
1329-A
2
3
7
8
F318
3313
I322
BZX384-C6
V
8
6328
5
TU|FM
2
7
V
CC
V
T
9
13
14
15
6
NC1
NC2
8
SCL
4
SD
A
AG
C
1
AS
3
10
FM-IFOUT
IFOUT
11
12
1302
UR1336/A F S H-3
BZX384-C6
V
8
6330
50
V
2u2
2308
2311
100u 16
V
4330
3323
2K2
3325
22K
5340
12u
5309
6311
I324
BC847B
W
7325
6324
1SS356
+5
V
S
W
I319
F301
F316
F306
F307
1SS356
3327
6323
1K0
16
17
1n0
2317
4
5
6
9
10
13
14
15 11
12
1330-B
OF
W
K9656L
1
18
10K
3311
F319
BFS20
7316
3326
47K
100K
3314
6u8
5324
F313
F314
6K8
3322
4312
4339
RF_AGC
SDA
SCL
UART_RX
UART_TX
IF-TER
SSIF
V
IF1
V
IF2
SIF1
SIF2
SEL_IF
E_14710_015.eps
020904
3139 123 5837.1
1
V
/ di
v
DC
20us
/ di
v
F302
F303
F306
1
V
/ di
v
DC
20us
/ di
v
200m
V
/ di
v
AC
20us
/ di
v