
8-8
WRR-855B
8-8
2
3
4
5
A
B
C
D
E
F
G
H
1
CPU-342
(Suffix:-11)
CPU-342
(Suffix:-11)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
GND
VCC
1
2
3
4
5
GND
VCC
1
2
3
4
5
6
7
8
VDD
A
VSS
VEE
INH
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
GND
VCC
1
2
3
4
5
GND
VCC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PE3/INT3/NMI
PE2/INT2
PE0/INT0/EC
PE1/INT1
PF7/SEG31
PF6/SEG30
TEX
TX
VDD
PF5/SEG29
PF4/SEG28
PF3/SEG27
PF1/SEG25
PF2/SEG26
PF0/SEG24
PD7/SEG23
PE5/PWM0
PE4/RMC
PE6/TO/ADJ
PB0/CS1
PB1/CS0
PB3/SI0
PB4/SO0
PB5/SCK1
PB2/SCK0
PB6/SI1
PB7/SO1
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PH0/PWM1
PA0/AN0
PA1/AN1
PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
PA7/AN7
RST
XTAL
EXTAL
VSS
VL
VLC3
VLC2
VLC1
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
PD0/SEG16
PD1/SEG17
PD2/SEG18
PD3/SEG19
PD4/SEG20
PD5/SEG21
PD6/SEG22
RFG
RFR
COM1
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
+
-
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
COM0
AFR
VCC
5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
GP
CH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
IC701
CXP834P16Q-1
IC702
ST93C46TM6
C762
0.1µ
R702
2.2k
R710
47k
R711
10k
R712
10k
R713
10k
R714
10k
R715
10k
R716
10k
R717
10k
R719
47k
R720
47k
R721
47k
R701
10k
S701
C704
0.01
25V
B
R751
1M
R752
680
C773
0.01µ
C783
0.01µ
R772
33k
R775
330k
R774
10k
R776
10
R777
560
R718
10k
C771
0.01µ
IC703
MB3773PF-G-BND-E
R
Q751
RN1104-TE85L
IC774
TC4W53FU(TE12R)
IC775
TC7S86FU(TE85R)
IC780
TC7S86FU(TE85R)
IC761
MAX242EWN
D702
1SS302-TE85L
D703
1SS302-TE85L
IC781
TC7SU04FU(TE85R)
IC776
TC7SU04FU(TE85R)
IC704
TC4SU04FU(TE85L)
D771
1SS295-TE85R
IC773
NJM2406F-TE2
R782
10
L771
33µH
L701
33µH
IC771
TC4SU69F(TE85R)
IC772
TC4SU69F(TE85R)
IC778
TC4SU69F(TE85R)
IC779
TC4SU69F(TE85R)
IC751
TC4SU69F(TE85R)
IC752
TC4SU69F(TE85R)
R703
9.1k
1/16W
R704
9.1k
1/16W
R705
18k
1/16W
R706
82k
R708
82k
R731
10
R779
10
C787
12p
CH
R780
10
R781
10
R722
10
R723
47k
R724
47k
C741
0.01
C742
0.01
R741
10k
R742
220k
R743
47k
R744
10k
R745
220k
R746
47k
D741
MA133
D742
MA133
D731
MA133
Z709
X751
4MHz
IC777
TC7S08FU(TE85R)
C784
220p
CH
C788
47p
CH
C790
47p
CH
C708
2.2
20V
D701
MA132WK-TX
Z701
Z702
Z703
Z704
Z705
Z706
Z708
Z707
C733
0.01µ
C734
0.01µ
C730
0.01µ
C722
0.01µ
C721
0.01µ
C731
0.01µ
C732
0.01µ
C729
0.01µ
C728
0.01µ
C727
0.01µ
C765
0.1µ
C764
0.1µ
C763 0.1µ
C761
0.1µ
C719
0.01µ
C723
47p
CH
C717
0.01µ
C720
0.01µ
C725
0.01µ
C724
0.01µ
C716
0.01µ
R707
47k
C715
0.01µ
R709
47k
C714
0.01µ
C718
0.01µ
C713
0.01µ
C712
0.01µ
C711
0.01µ
C710
0.01µ
C726
0.01µ
C709
0.01µ
C707
0.01µ
C706
0.01µ
C705
0.01µ
C703
0.01µ
C702
150µ
7
V
C701
150µ
10V
C738
150µ
7
V
C735
0.01µ
CT751
20p
C752
5p
CH
C753
0.01µ
C737
0.01µ
C736
0.01µ
R761
10
C776
0.01µ
C772
0.01µ
R771
3.3k
C774
1000p
R773
15k
C775
0.1µ
C777
0.01µ
C786
12p
CH
C778
0.01µ
C779
0.1µ
C780
0.1µ
C782
0.01µ
C781
0.01µ
C785
0.01µ
R778 22k
C751
27p
CH
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
3
2
1
C791
33
µ
6.3V
COM1
COM0
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
COM0
COM1
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
CS
DI
DO
VCC
VSS
SK
NC
ORG
1
2
3
4
5
6
7
BATO
BAT1
MUTING
GND
GND
POWER
POWER
DIV
AFM
CLK
DATA
CS
SK
DI
LE
WDT
SHDN
RFG
AFR
TONE
NOISE
LD
DO
+
-
RFR
SQ
SET
ALO
RSSIA
RSSIB
MUTING
EN
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
SHDN
VCC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
GND
1
2
3
4
5
IF-CS
IF-CLK
IF-DI
IF-DO
IF-DI
IF-DO
IF-CLK
IF-CS
DIST2
DIST1
BAT1
BAT0
TEMP
RESET
NOISE
RSSIA
RSSIB
SELECT
-
+
AFR
RFG
MUTING
RFR
GP
CH
ALO
NOISE
TONE
AFM
DIV
RSSIB
RSSIA
5V
GND
BATT0
NC
NC
OSC
NC
NC
LE
DI/DATA
SK/CLK
LD
BATT1
REM
EXT SW
SW
REM
6
7
EXT OSC
2
1
GND
CN762(7P)
CN702(30P)
CN761(7P)
CN701(20P)
D-SUB CONNECTOR
TUN-8,CN601
TO/FROM
D-SUB CONNECTOR
TO/FROM
DP-236,CN801
TO/FROM
SW-814,CN901
1
8
9
15
TO/FROM
TO/FROM
D-SUB CONNECTOR,15PIN
-EXT VIEW-
(MALE)
5V
7V
7V
5V
5V
5V
5V
0
100ms
5V
0.07V
1.15V
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)
EXT OSC IN
OSC GND
*1
*2
*3
*4
*4
CPU-342
BOARD NO. 1-681-451-11
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 ...