
WRR-855B
2
3
4
5
1
A
B
C
D
E
F
G
H
8-1
8-1
TUN-8 (1/2)
(Suffix:-11)
TUN-8 (1/2)
(Suffix:-11)
TUN-8 (1/2)
BOARD NO. 1-681-450-11
Section 8
Schematic Diagrams
BPF
BPF
BPF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BPF
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CT103
CT105
L108
10µH
C111
0.01
C113
0.01
C118
0.01
C120
0.022
C124
0.022
C127
0.022
C129
0.022
R107
82k
R110
82k
R115
82k
R118
82k
R121
10
R123
18k
R124
6.8k
R126
1k
R127
10
Q106
XN6501-TW
C101
0.001
R101
68k
R111
10k
CT102
L109
10µH
C110
0.01
C114
0.022
C115
0.01
C121
0.022
C125
0.022
R103
33k
R106
10
R105
180
R108
12k
R114
10
R119
3.9k
R125
1.2k
R129
2.2k
R140
12k
CT101
CT104
L110
10µH
C103
0.001
C108
0.01
C112
82p
10pF
10pF
50V
CH
C117
0.01
C119
0.022
C123
0.022
C126
0.022
C128
0.022
C104
0.001
R104
10
R109
33k
CT106
R112
33k
R113
10
R117
33k
R120
33k
R122
10
R128
270
Q101
3SK177-T1-U72
Q102
3SK245-T2-U55
Q103
3SK245-T2-U55
Q104
3SK245-T2-U55
Q105
3SK245-T2-U55
C102
0.001
R102
15k
T101
CN102
C105
0.001
C106
0.001
C147
10
10V
C146
0.01
C122
0.022
C116
0.01
C109
0.01
C144
10
10V
C145
0.01
C148
0.001
CT401
CT402
C444
10
10V
C448
0.001
R402
15k
R401
68k
R403
33k
C401
0.001
C402
0.001
R405
180
Q401
3SK177-T1-U72
R404
10
R406
10
CT403
C403
0.001
CT404
C404
0.001
CN402
C405
0.001
R407
82k
R409
33k
CT405
R408
12k
C409
0.01
C446
0.01
C406
0.001
CT406
R411
10k
R412
33k
R410
82k
Q402
3SK245-T2-U55
Q403
3SK245-T2-U55
R413
10
R414
10
T401
C408
0.01
C410
0.01
C411
0.01
R415
82k
R419
3.9k
R417
33k
R418
82k
R420
33k
C416
0.01
C417
0.01
C418
0.01
Q404
3SK245-T2-U55
R421
10
Q405
3SK245-T2-U55
C412
82p
50V
CH
R422
10
C413
0.01
C414
0.022
C415
0.01
R424
6.8k
R423
18k
Q406
XN6501-TW
R425
1.2k
R427
10
C419
0.022
R426
1k
C420
0.022
R429
2.2k
C422
0.022
R428
270
L408
10µH
C421
0.022
Q107
XN6501-TW
R136
270
R130
18k
R131
6.8k
R133
1k
R135
2.2k
R132
1.2k
C131
0.022
C132
10
10V
C424
0.022
C427
0.022
C429
0.022
R432
1.2k
R436
270
L409
10µH
C425
0.022
C431
0.022
R430
18k
R440
12k
L410
10µH
C423
0.022
C426
0.022
C428
0.022
R431
6.8k
R433
1k
R435
2.2k
T403
C432
10
10V
C447
10
10V
Q407
XN6501-TW
C135
10
10V
C435
10
10V
C445
0.01
T103
C133
0.022
25V
B
C134
0.022
25V
B
C433
0.022
25V
B
C434
0.022
25V
B
CF101
CF102
CF103
CF104
CF401
CF402
CF403
CF404
CN101
CN401
FL101
FL102
FL401
FL402
L102
L103
L104
L105
0.22µH
L107
0.22µH
L402
L403
L404
L405
0.22µH
L407
0.22µH
R134
12
R434
12
SWF101
SWF401
T102
T402
L106
0.33µH
L406
0.33µH
C407
5p
CH
C107
5p
CH
C130
27p
CH
C430
27p
CH
R116
4.7k
R416
4.7k
IC101
TA31161FN(EL)
IC401
TA31161FN(EL)
L101
L401
C449
0.022
C149
0.022
IC102
TA8122AF(J.TP1)
IC402
TA8122AF(J.TP1)
1
4
1
2
1
1
2
2
2
3
5
1
6
3
5
6
1
3
5
3
4
5
1
2
3
1
2
3
3
2
1
3
2
1
2
1
2
1
4
3
1
5
3
4
1
5
3
2
1
4
3
2
1
4
3
2
1
4
4
3
2
1
3
2
1
4
3
2
1
4
1
2
3
3
4
5
6
2
1
3
4
5
6
2
1
1
2
3
1
2
3
1
2
3
3
2
4
1
3
2
4
1
3
2
4
1
4
3
2
1
3
2
4
1
3
2
4
1
1
2
3
3
4
5
6
2
1
1
2
3
3
4
5
6
2
1
1
2
3
1
2
3
2/2
2/2
2/2
2/2
2/2
1ST LO(B)
2ND LO(B)
RSSI(B)
VCC(B)
AF(B)
GND(B)
2/2
2/2
2/2
2/2
2/2
2/2
2/2
AF
VCC
2ND
LO
LO
1ST
6V
RSSI
AF
VCC
6V
2ND
LO
1ST
LO
RSSI
RF BLOCK(A)
RF BLOCK(B)
ANT IN A
ANT IN B
ANTENNA A
ANTENNA B
GND(A)
AF(A)
VCC(A)
RSSI(A)
2ND LO(A)
1ST LO(A)
2/2
2/2
SLITLAND
SLITLAND
VCC(A)
VCC(B)
6V
5V
6V
0.33V
0.28V
1.65V
1.65V
6V
0.33V
0.28V
6V
0.76V
0.66V
6V
0.76V
0.66V
6V
6V
1.1V
1.1V
6V
6V
5V
6V
1.65V
1.65V
*
*
*
*
*
*
*
*
*
10pF
10pF
*
*
*
*
*
*
*
*
*
*
*
Model*
Ref No.
CT101/CT401
CT102/CT402
CT103/CT403
CT104/CT404
L101/L401
L102/L402
L103/L403
L104/L404
FL101/FL401
FL102/FL402
NM:No mount
*:
CE21,U14
CE33,U30
U62
U66
CE62
CE67
10pF
10pF
10pF
5pF
5pF
5pF
10pF
10pF
10pF
5pF
5pF
5pF
10pF
10pF
5pF
5pF
5pF
5pF
10pF
10pF
5pF
5pF
5pF
5pF
22nH
15nH
10nH
10nH
10nH
10nH
22nH
15nH
10nH
10nH
10nH
10nH
15nH
10nH
15nH
10nH
6.8nH
6.8nH
6.8nH
6.8nH
4.7nH
4.7nH
4.7nH
4.7nH
482MHz
578MHz
770MHz
794MHz
810MHz
850MHz
482MHz
578MHz
770MHz
794MHz
810MHz
850MHz
Notes:
• DC voltage are taken with digital multimeter (input impedance 1 M
Ω
or more)
under no-signal conditions.
Summary of Contents for WRR-855B
Page 1: ...UHF SYNTHESIZED TUNER UNIT WRR 855B SERVICE MANUAL 1st Edition Revised 2 ...
Page 4: ...2 WRR 855B 8 Schematic Diagrams TUN 8 8 1 CPU 342 8 8 DP 236 8 10 SW 814 8 10 ...
Page 10: ...1 6 WRR 855B Sony Corporation Printed in Japan ...
Page 38: ......
Page 58: ......
Page 67: ...7 1 WRR 855B 7 1 Section 7 Board Layouts ...
Page 83: ......
Page 84: ...Printed in Japan Sony Corporation 2006 6 16 2001 WRR 855B U CE E 9 976 898 03 ...