
WRR-855B
2
3
4
5
1
A
B
C
D
E
F
G
H
8-9
8-9
CPU-342
(Suffix:-21)
CPU-342
(Suffix:-21)
0.01uF
C703
0.01uF
C704
0.01uF
C705
0.01uF
C706
0.01uF
C707
0.01uF
C709
0.01uF
C710
0.01uF
C711
0.01uF
C712
0.01uF
C713
0.01uF
C714
0.01uF
C715
0.01uF
C716
0.01uF
C717
0.01uF
C718
0.01uF
C719
0.01uF
C720
0.01uF
C721
0.01uF
C722
0.01uF
C724
0.01uF
C725
0.01uF
C726
0.01uF
C727
0.01uF
C728
0.01uF
C729
0.01uF
C730
0.01uF
C731
0.01uF
C732
0.01uF
C733
0.01uF
C734
0.01uF
C753
0.01uF
C736
0.01uF
C737
0.01uF
C741
0.01uF
C742
0.01uF
C735
0.01uF
C777
0.01uF
C778
0.01uF
C781
0.01uF
C782
0.01uF
C783
0.01uF
C785
10V
33uF
C791
20V
2.2uF
C708
0.1uF
C761
0.1uF
C762
0.1uF
C763
0.1uF
C764
0.1uF
C765
0.1uF
C775
0.1uF
C779
0.1uF
C780
10V
220uF
C701
10V
220uF
C702
NM10V
220uF
C738
20pF
CT751
5pF
C752
12pF
C786
12pF
C787
27pF
C751
47pF
C723
47pF
C788
47pF
C790
0.001uF
C774
82pF
C784
10k
R701
10k
R711
10k
R712
10k
R713
10k
R714
10k
R715
10k
R716
10k
R717
10k
R718
47k
R707
47k
R709
47k
R710
47k
R719
47k
R720
47k
R721
47k
R723
47k
R724
47k
R743
47k
R746
10k
R741
10k
R744
10k
R774
10
R722
10
R761
10
R776
10
R779
10
R780
10
R781
10
R782
1.5k
R777
680
R752
2.2k
R702
3.3k
R771
15k
R773
18k
R705
22k
R778
33k
R772
82k
R706
82k
R708
220k
R742
220k
R745
330k
R775
1M
R751
9.1k
R703
9.1k
R704
CN761
1
IF-CLK
2
IF-CS
3
IF-DI
4
IF-DO
5
REM
6
SW
7
GND
S701
CN702
1
RFG
2
VCC_5V
3
RFR
4
AFR
5
COM0
6
COM1
7
S19
8
S0
9
S18
10
S1
11
S17
12
S2
13
S16
14
S3
15
S15
16
S4
17
S14
18
S5
19
S13
20
S6
21
S12
22
S7
23
S11
24
S8
25
S10
26
S9
27
GP
28
CH
29
+
30
-
4MHz
X751
3
4
1
2
CN701
1
ALO
2
LD
3
NOISE
4
SK/CLK
5
TONE
6
DI/DATA
7
AFM
8
LE
9
DIV
10
NC
11
RSSI_B
12
NC
13
RSSI_A
14
CLOCK
15
5V
16
NC
17
GND
18
NC
19
BATT1
20
BATT0
MA132WK-TX
D701
1
2
3
1SS302-TE85L
D702
1
2
3
1SS302-TE85L
D703
1
2
3
RN1104-TE85L
Q751
TC7SU04FU(TE85R)
IC704
GND
3
VCC
5
A
2
Y
4
TC7SU04FU(TE85R)
IC776
GND
3
VCC
5
A
2
Y
4
TC7SU04FU(TE85R)
IC781
GND
3
VCC
5
A
2
Y
4
TC7S08FU(TE85R)
IC777
A
2
B
1
GND
3
Y
4
VCC
5
TC4W53FU(TE12R)
IC774
6
7
INH
2
1
A
5
VDD
8
VSS
4
VEE
3
TC4SU69F(TE85R)
IC751
A
2
VSS
3
X
4
VDD
5
TC4SU69F(TE85R)
IC752
A
2
VSS
3
X
4
VDD
5
TC4SU69F(TE85R)
IC778
A
2
VSS
3
X
4
VDD
5
TC4SU69F(TE85R)
IC779
A
2
VSS
3
X
4
VDD
5
MB3773PF-G-BND-ER
IC703
VS
7
GND
4
RESET
2
VREF
6
VCC
5
CK
3
CT
1
RESET
8
TC7S86FU(TE85R)
IC775
A
2
GND
3
VCC
5
Y
4
B
1
TC7S86FU(TE85R)
IC780
A
2
GND
3
VCC
5
Y
4
B
1
NJM2406F-TE2
IC773
+
3
-
1
2
4
5
AK93C85AM-E1
IC702
DI
3
CS
1
SK
2
GND
5
DO
4
VCC
8
NC1
6
NC2
7
IC701
CXP834P16Q-1
1
PE3/INT3/
NMI
2
PE4/RMC
3
PE5/
PWM0
4
PE6/TO/ADJ
5
PB0/
CS1
6
PB1/
CS0
7
PB2/
SCK0
8
PB3/SI0
9
PB4/SO0
10
PB5/
SCK1
11
PB6/SI1
12
PB7/SO1
13
PC0
14
PC1
15
PC2
16
PC3
17
PC4
18
PC5
19
PC6
20
PC7
21
PH0/
PWM1
22
PA0/AN0
23
PA1/AN1
24
PA2/AN2
25
PA3/AN3
26
PA4/AN4
27
PA5/AN5
28
PA6/AN6
29
PA7/AN7
30
RST
31
EXTAL
32
XTAL
33
VSS
34
VL
35
VLC3
36
VLC2
37
VLC1
38
COM0
39
COM1
40
COM2
41
COM3
42
SEG0
43
SEG1
44
SEG2
45
SEG3
46
SEG4
47
SEG5
48
SEG6
49
SEG7
50
SEG8
51
SEG9
52
SEG10
53
SEG11
54
SEG12
55
SEG13
56
SEG14
57
SEG15
58
PD0/SEG16
59
PD1/SEG17
60
PD2/SEG18
61
PD3/SEG19
62
PD4/SEG20
63
PD5/SEG21
64
PD6/SEG22
65
PD7/SEG23
66
PF0/SEG24
67
PF1/SEG25
68
PF2/SEG26
69
PF3/SEG27
70
PF4/SEG28
71
PF5/SEG29
72
VDD
73
TX
74
TEX
75
VPP
76
PF6/SEG30
77
PF7/SEG31
78
PE0/INT0/ EC
79
PE1/INT1
80
PE2/INT2
33uH
L701
33uH
L771
MAX3222CAP-TE2
IC761
T2IN
12
R1OUT
15
T1OUT
17
T1IN
13
T2OUT
8
SHDN
20
VCC
19
R2OUT
10
EN
1
C1+
2
C1-
4
C2+
5
C2-
6
GND
18
R2IN
9
R1IN
16
V+
3
V-
7
CN762
1
BAT1_POWER
TO/FROM
SW-814 CN901
TO/FROM
DP-236 CN801
TO/FROM
D-SUB CONNECTOR
2
BAT0_POWER
3
MUTING
4
EXT_SW
5
REM
6
GND
7
GND
MA133-TX
D741
1
2
3
MA133-TX
D742
1
2
3
TC4SU69F(TE85R)
IC771
NM
A
2
VSS
3
X
4
VDD
5
TC4SU69F(TE85R)
IC772
NM
A
2
VSS
3
X
4
VDD
5
0.01uF
C776
NM
0.01uF
C772
NM
0.01uF
C771
NM
MA133-TX
D731
1
2
3
10
R731
NM
0.01uF
C773
NM
1SS295(TE85R)
D771
NM
1
2
3
CL771
GND
CL703
CL702
CL701
100k
R725
S19
S18
S17
S0
S1
S2
S3
S4
S5
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
COM0
COM1
S10
COM0
COM1
S19
S0
S18
S1
S17
S2
S16
S3
S15
S4
S14
S5
S13
S6
S12
S7
S11
S8
S9
ALO
LD
NOISE
TONE
RSSI_A
RSSI_B
SK/CLK
SELECT
RSSI A
RSSI B
NOISE
1
8
9
15
D-SUB CONNECTOR,15PIN
-EXT VIEW-
(MALE)
PIN No.
GND
NC
DC+7V
GND
REM
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SIGNAL NAME
AF OUTPUT
EXT SW
DIGITAL GND
I/F OUT(CLK)
I/F IN(CS)
I/F IN(DI)
I/F OUT(DO)
NC
NC
TO/FROM
TUN-8, CN601
5V
0
100ms
5V
5V
1.15V
0.07V
5V
CPU-342
BOARD NO. 1-681-451-21
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 ...