
8-6
WRR-855B
8-6
2
3
4
5
A
B
C
D
E
F
G
H
1
TUN-8 (2/2)
(Suffix:-22)
TUN-8 (2/2)
(Suffix:-22)
56k
R207
140.05MHz
CP302
7
GND
8
OUT
14
VCC
15
FG1
16
FG2
CN601
1
ALO
2
LD
3
NOISE
4
CLOCK
5
TONE
6
DATA
7
AFM
8
LE
9
DIV
10
FC
11
RSSI_B
12
FOUT
13
RSSI_A
14
4MHZ
15
5V
16
NC
17
GND
18
BATT2
19
BATT1
20
BATT0
10V
100uF
C311
NM
0.1uF
C248
T301
3
1
4
6
2
56k
R201
10k
R263
6.8k
R233
100k
R252
3pF
C324
3.3k
R260
12k
R236
0.1uF
C658
32.768KHz
X201
0.022uF
C214
3.3k
R228
2.2k
R253
TA75S558F(TE85R)
IC205
IN+
1
IN-
3
2
4
5
0.15uH
L306
25V
1uF
C229
0.1uF
C204
10V
10uF
C207
47k
R208
82k
R272
560k
R258
330
R319
0.1uF
C230
47k
R202
560k
R254
0.001uF
C316
M5237ML-TP1
IC651
IN
1
G/FIN
3
ADJ
2
330
R316
0.1uF
C224
2.7k
R225
330k
R307
10k
R262
120pF
C252
470
R656
12pF
C327
0.01uF
C267
100k
R249
0.001uF
C247
TA75S558F(TE85R)
IC204
IN+
1
IN-
3
2
4
5
0.01uF
C663
1pF
C319
0.047uF
C225
4.7k
R318
68k
R284
10V
10uF
C255
0.1uF
C250
33k
R326
0.01uF
C325
5k
RV202
1
2
3
10k
R309
0.022uF
C656
TA75S558F(TE85R)
IC202
IN+
1
IN-
3
2
4
5
0.022uF
C306
1.2k
R235
100k
R654
10k
R259
1.5k
R271
0.1uF
C260
470
R324
100k
3V
R222
1.5k
R219
10V
10uF
C216
470
R323
100
R322
0.1uF
C241
10V
10uF
C205
CP301
2
GND1
5
GND2
6
OUT
1
VCC
3
VCONT
4
NC
0.001uF
C317
4.7k
R315
10V
10uF
C240
0.12uH
L309
5k
RV201
1
2
3
0.001uF
C220
1.2k
R231
68k
R256
MB1511-PFV-EF
IC301
VCC
5
FIN
10
OSCI
1
LE
14
FOUT
17
FC
15
P
18
BISW
16
GND
7
OSCO
3
DATA
13
CLK
11
R
20
LD
8
DO
6
VP
4
0.01uF
C268
33k
R325
12pF
C328
12pF
C203
10k
R308
35V
15uF
C651
0.01uF
C321
100k
R652
10k
R255
0.22uH
L305
18k
R657
100k
R221
0.001uF
C309
25V
1uF
C249
0.1uF
C308
0.1uF
C254
47k
R653
100
R312
0.1uF
C212
10pF
C256
0.047uF
C234
1k
R206
0.01uF
C326
0.01uF
C263
4.7k
R313
100
R302
10V
6.8uF
C253
47uH
L651
1k
R212
56k
R304
1k
R278
3pF
CT303
0.1uF
C261
33k
R305
8.2k
R310
10k
R287
0.12uH
L308
3pF
CT302
100k
R651
0.1uF
C242
10V
10uF
C209
0.001uF
C318
10V
10uF
C201
5.6k
R234
100k
R218
0.1uF
C653
220
R655
47k
R279
0.01uF
C303
0.01uF
C269
10V
10uF
C226
5.6k
R232
2SC2351-T1R2
Q304
560k
R286
4.7k
R285
68
R321
0.01uF
C322
56k
R268
1k
R250
25V
1uF
C228
2SC4738-YGR-TE85L
Q303
68
R320
22k
R306
8.2k
R211
10V
33uF
C655
0.001uF
C312
10k
R283
10V
100uF
C310
0.1uF
C257
20k
RV205
1
2
3
8.2k
R205
47
R303
0.1uF
C215
100k
R280
2.7k
R210
0.01uF
C329
0.01uF
C264
4V
220uF
C231
100k
R215
2.7k
R204
0.01uF
C660
12pF
C208
47k
R251
0.1uF
C262
4.7k
R658
560k
R282
0.0027uF
C221
680
R311
0.1uF
C244
56k
R247
0.001uF
C320
10V
10uF
C217
4.7nH
L304
22k
R224
0.1uF
C654
22pF
C236
10V
10uF
C206
10k
R276
100k
R277
6.8k
R317
0.01uF
C304
0.01uF
C270
2SC3606-TE85L
Q301
22k
R223
10V
10uF
C237
3pF
C323
2SC2351-T1R2
Q305
100k
3V
3V
3V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
3V
R214
2.2k
R281
47k
R248
TA75S393F-TE85R
IC302
+
3
-
1
2
4
5
4.7k
R261
2.8V
2.8V
2.8V
0.001uF
C313
560k
R275
0.1uF
C258
0.1uF
C219
330
R329
2SB1121-T-TD
Q653
56k
R226
0.01uF
C330
0.01uF
C265
0.01uF
C661
12pF
C301
10k
R270
6.8k
R314
100k
R273
10V
10uF
C251
2SC3606-TE85L
Q302
15k
R237
25V
1uF
C259
TA75S558F(TE85R)
IC201
IN+
1
IN-
3
2
4
5
TA75S558F(TE85R)
IC211
IN+
1
IN-
3
2
4
5
100k
R213
2.2k
R274
0.1uF
C245
1pF
C315
47k
R227
4.7k
R230
0.1uF
C657
560k
R269
330
R328
0.01uF
C305
0.001uF
C246
10V
10uF
C213
0.015uF
C218
10V
10uF
C202
56k
R216
10V
33uF
C652
2SJ132-Z-T2
Q651
S
10V
10uF
C235
TA75S558F(TE85R)
IC208
IN+
1
IN-
3
2
4
5
10k
R267
6.8k
R257
4.7nH
L303
0.15uH
L307
100k
R264
4.7k
R229
15k
R220
0.001uF
C314
25V
1uF
C243
0.1uF
C222
2SC4738-YGR-TE85L
Q652
100k
R209
2.2k
R265
10V
6.8uF
C307
22pF
C239
10V
100uF
C659
0.01uF
C331
0.01uF
C266
47k
R217
100k
R203
10V
22uF
C302
560k
R266
0.01uF
C662
TA75S558F(TE85R)
IC207
IN+
1
IN-
3
2
4
5
330
R327
VCC
001,002
AF(A)
001
RSSI(A)
001
INH
VSS
VEE
VDD
TC74HC4053AFT(EL)
IC203
(1/3)
12
13
14
11
16
6
8
7
TC74HC4053AFT(EL)
IC203 (2/3)
1
1
0
2
COM
15
SEL
10
TC74HC4053AFT(EL)
IC203
(3/3)
5
3
4
9
VCC
001,002
AF(B)
001
RSSI(B)
001
TC75S51F(TE85R)
IC209
+
1
-
3
2
4
5
TA75S01F(TE85R)
IC210
+
1
-
3
2
4
5
TA75S01F(TE85R)
IC213
+
1
-
3
2
4
5
TA75S01F(TE85R)
IC212
+
1
-
3
2
4
5
TA75S01F(TE85R)
IC215
+
1
-
3
2
4
5
MA132WK-TX
D201
3
1
2
MA132WK-TX
D202
3
1
2
MA132WK-TX
D203
3
1
2
MA132WK-TX
D204
3
1
2
TC75S51F(TE85R)
IC214
+
1
-
3
2
4
5
GND GND
GND
GND
GND
GND
GND
6.8nH
L302
RH5RE50AA-T1
IC652
IN
1
GND
3
OUT
2
GND
001,002
2ND_LO(B)
001
1ST_LO(B)
001
2ND_LO(A)
001
1ST_LO(A)
001
5V
001,002
5V
001,002
32.768KHz
X202
GND
001,002
GND
GND
GND
GND
GND
GND
GND
CN602
1
GND
2
7V_IN
3
GND
4
AFOUT
SA575DTBR2
IC206
+VIN2
19
-VIN2
18
GND
10
VOUT2
17
VCC
20
RECT_IN2
16
CRECT2
15
COMP_IN2
13
SUM_NODE2
12
+VIN1
1
-VIN1
2
RECT_IN1
4
CRECT1
5
COMP_IN1
7
VREF
8
VOUT1
3
SUM_OUT2
14
SUM_OUT1
6
GAIN_CELL_IN2
11
GAIN_CELL_IN1
9
10
R238
TONE
ALO
NOISE
NC
ALO
NOISE
TONE
CLOCK
DATA
LE
FC
FOUT
4MHZ
CLOCK
DATA
4MHZ
LE
FOUT
FC
NC
TO/FROM
CPU-342,CN701
TO D-SUB
CONNECTOR
(12P)
-24dBu
MOD32.768kHz
DEV
±
1.7kHz
RF60dBu
MOD32.768kHz
DEV
±
1.7kHz
RF60dBu
1.5dBu
MOD32.768kHz
DEV
±
1.7kHz
RF60dBu
0.8V
4.8(IR
<
10dBu)
0.3(IR<10dBu)
0.3V
MOD32.768kHz
DEV
±
1.4kHz
OR MORE
RF60dBu
4.8V
(NO MODULATION)
0.27V
MOD1kHz
DEV
±
5kHz
RF60dBu
-1dBu
RF10dBu
*
*
*
Model
Ref. No.
U62
U66
CE62
CE67
U30
U42
CP301
820MHz
938MHz
957MHz
1000MHz
728MHz
800MHz
L303
5.6nH
5.6nH
4.7nH
4.7nH
6.8nH
6.8nH
L304
5.6nH
5.6nH
4.7nH
4.7nH
6.8nH
6.8nH
A
B
C
D
E
F
G
H
J
B
A
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
3V
3V
3V
3V
3V
3V
2.8V
2.8V
2.8V
2.8V
2.8V
2.8V
0.4V
1V
2.8V
2.8V
2.8V
1.2V
RF10dBu
0.4
7V
7V
5V
6V
4.6V
4.6V
2.3V
4.4V
2V
5V
5.1V
2.3V
2.3V
1.6V
1.6V
3V
3V
1V
1V
1.8V
1.8V
TUN-8 (2/2)
BOARD NO. 1-681-450-22
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 ...