Sony WRT-847A Service Manual page 50

1
IC401
AT24C64N-10SI-1.8-TR
R424
100k
8 IC402
VCC CXA1786N-T4
3 5
A2 SDA
2 6
A1 SCL
1 7
A0 WP
GND CS
4
C403
2
47uF
C402
6.3V
0.001uF
C401
10uF
10V
D401
UMZ8.2T-T106
R402
10k
0.01uF
R401
R425
22k
1k
B1
CN401
1 GND
2 GND
CK
3 CLK
DATA
4 DATA
LAT
5 LAT
RFM
6 RFM
LD
7 LD
8
9 4MHZ
3
10 PO_H/L
11
12
13 DO
14 CS
15
16 GND
17
18 MOD
19
20 GND
21
22
23
24
25 VCC1
26 VCC1
27
28
29 VCC2
30 VCC2
4
5
A B
3.3V
0V R406
47k
LAT
DATA
CK Q401
2SC4738-YGR-TE85L
0.6V 0V
R408 R409
1k 1k
C408 C409
R404 R405
4.7uF 10uF
47k 100k
6.3V 10V
0V
R407 C410
470 0.047uF
C406 C407
22pF 22pF
R403 L401
100k 39nH
C405
0.047uF
C404
LD
C
RF-96 RF-96
Q403
2SA1965-TL
5.8V 5.8V
L402 L403 R413
R410
390 220uH 220uH 47k
C417
C412 C414
R412 R414
47uF 220uF 4.7uF
100k 2.2k
6.3V 6.3V 10V
3.1V
*
CP401(VCO)
0V 1 R411
VCC 33
3 6
VC OUT
4
MOD
G1 G2
0.6V
2 5
RV402
47k
C411 C415 0V Q402
C413
47uF C416 2SA1965-TL
0.047uF 100pF
6.3V 0.01uF
R427
4.7k
0V
C418
D402
MA133-TX 0.001uF
1
2
RFM
3
MOD
Note:
Power voltage is 3.0 Vdc and fed with regulated dc power
supply from battery terminal.
DC valtage are taken with digital multimeter (input impedance
1 MZ or more) under no-signal conditions.
Voltage values on signal input conditions are taken when the
signal is _55 dB (0 dB = 1 Vrms) and fed with AF oscillator from
MIC input terminal.
8-2 8-2
D E
5.8V 5.8V
* *
L407 R426
* *
R415 RV401
L404 C423
18k 10k
CT401
3pF
5.8V
5.8V
1V *
* R419
Q405
C425
2SC3607-TE12L
C420 Q404
1
22pF 2SC5015-T1
2
0.7V
R418
3 4
10k
R421
10
0.3V
D403
MA133-TX
C421 C427 C428
* 1
0.001uF 0.001uF 0.001uF
C419 R416 2 *
R417 C424 C426
22uF 10k 3 R420
47 0.001uF
10V
C422
Q406
0.001uF
2SC4919-TL
PO_H/L
R423
1k
*:
Model*
CE21 CE33 CE62 CE67
Ref No.
1.5pF 2pF 2pF 1.5pF
C423 50V 50V 50V 50V
CK CK CK CK
2pF 1.5pF 1.5pF 2pF
C425 50V 50V 50V 50V
CK CK CK CK
3pF 3pF 1pF
C426 NM 50V 50V 50V
CJ CJ CK
4pF 4pF 3pF 3pF
C429 50V 50V 50V 50V
CH CH CJ CJ
3pF 3pF
C430 50V 50V NM NM
CJ CJ
6pF 3pF
C431 50V 50V NM NM
CH CJ
7pF 4pF
C432 50V 50V NM NM
CH CH
4pF 4pF 1pF 1pF
C433 50V 50V 50V 50V
CH CH CK CK
4pF 4pF 3pF 3pF
C434 50V 50V 50V 50V
CH CH CJ CJ
CP401
MVU-482S MVU-578S MVU-815S MVU-853S MVU-482S MVU-578S MVU-773S MVU-799S
(VCO)
CP403
0482M 0578M 0806M 0850M
(ISOLATOR)
L404 18nH 15nH 8.2nH 8.2nH
L407 6.8nH 12nH 6.8nH 5.6nH
L408 15nH 15nH 15nH 12nH
L409 15nH 22nH 15nH 12nH
L410 39nH 22nH 0 0
L411 22nH 22nH 0 0
L412 22nH 15nH 0 0
L413 15nH 15nH 8.2nH 8.2nH
3.3kΩ 4.7kΩ 4.7kΩ 4.7kΩ
R419
1/16W 1/16W 1/16W 1/16W
220Ω 220Ω 270Ω 220Ω
R420
1/16W 1/16W 1/16W 1/16W
10kΩ 10kΩ 1kΩ 10kΩ
R426
1/16W 1/16W 1/16W 1/16W
F
ANTENNA
*
CP403 CN403
* * *
* * (ISOLATOR) *
L408 L409 L410 L411 L412 L413
1 2 NM
IN OUT
G1 G2
3 4
CN402
1
RF
2 3 4 5
* * * * * *
C429 C430 C431 C432 C433 C434
R422
100k
U14 U30 U62 U66 AU66
1.5pF 2pF 2pF 2pF 2pF
50V 50V 50V 50V 50V
CK CK CK CK CK
2pF 1.5pF 1.5pF 1.5pF 1.5pF
50V 50V 50V 50V 50V
CK CK
CK CK CK
3pF 3pF 3pF 3pF
NM 50V 50V 50V 50V
CJ CJ CJ CJ
4pF 4pF 3pF 3pF 3pF
50V 50V 50V 50V 50V
CH CH CJ CJ CJ
3pF 3pF
50V 50V NM NM NM
CJ CJ
6pF 3pF
50V 50V NM NM NM
CH CJ
7pF 4pF
50V 50V NM NM NM
CH CH
4pF 4pF 1pF 1pF 1pF
50V 50V 50V 50V 50V
CH CH CK CK CK
4pF 4pF 3pF 3pF 3pF
50V 50V 50V 50V 50V
CH CH CJ CJ CJ
MVU-799S
0482M 0578M 0770M 0794M 0794M
18nH 15nH 8.2nH 8.2nH 8.2nH
6.8nH 12nH 6.8nH 6.8nH 6.8nH
15nH 15nH 15nH 15nH 15nH
15nH 22nH 15nH 15nH 15nH
39nH 22nH 0 0 0
22nH 22nH 0 0 0
22nH 15nH 0 0 0
15nH 15nH 8.2nH 8.2nH 8.2nH
3.3kΩ 4.7kΩ 4.7kΩ 4.7kΩ 4.7kΩ
1/16W 1/16W 1/16W 1/16W 1/16W
220Ω 220Ω 270Ω 270Ω 270Ω
1/16W 1/16W 1/16W 1/16W 1/16W
10kΩ 10kΩ 1kΩ 1kΩ 1kΩ
1/16W 1/16W 1/16W 1/16W 1/16W
NM:No mount
RF-96
WRT-847A/847B
G H