Sony WRR-862A Service Manual page 84

1
PRE AMP(1-1)
1/3 AF_1-2
AF_1-B
1/3 AF_1-B
1/3 AF_1-A
R606
22
3.2V
IC601
(1/2)
MC33077DR2
1.0V
3 8
+
1
R601
1.0V
100
2 -
C602 B
4 47pF
R602
CH
330 R603 TH601
2.2k 33K
R605
-3.2V
C601 2.2k
22uF
4V TH602
330
C603
RV601
R604 R607
0.1uF
1k
47k 22
B
2
DIV_SW1
1/3 DIV_SW1
1/3 AFM1
PRE AMP(2-1)
2/3 AF_2-2
AF_2-B
2/3 AF_2-B
2/3 AF_2-A
R706
22
3.2V
IC701 (1/2)
MC33077DR2
1.0V
3 8
+
1
R701
1.0V
100 2 -
C702 B
4
47pF
R702
CH
330 R703 TH701
2.2k 33K
R705
-3.2V
C701 2.2k
22uF
4V TH702
330
C703
RV701 R704
3 R707
0.1uF
1k
47k
22 B
2/3 DIV_SW2
DIV_SW2
2/3 AFM2
2/3 VCC_DIST2
EXT BATT
10V-17V
F801 D801 FL801
CN801
CRS02
CL801 0.5A
1 EMI
BATT2 IN OUT
1
GND
GND
2
3
4 3
4
POWER_SW2
1/3 POWER_SW2
1/3 VCC_DIST1
INT BATT
3.6V-7.6V
FL851
CN851
CL851
1 EMI 2
1 BATT1 IN OUT
GND
GND
2 L851
3
47uH
3
5 4
*2
5.9V
5
C851
1uF
10V
B
2012
1/3 POWER_SW1
POWER_SW1
A B
PRE AMP(1-2) DIV SW MUTE SW
0V(Squelch ON)/
3.0V(Squelch OFF)
AF_1-2
0V(RF in Ant a)/
C621
3.0V(RF in Ant b)
4.7uF IC621
10V
TC7W53FU(TE12R)
TC7W53FU(TE12R)
0V
3.2V 0V
IC601 (2/2)
C624
8 0.1uF
MC33077DR2
1.0V 8
B
5 C622 7 VCC
4.7uF
1 7 VCC
C604 +
7 10V 6
R611
0.1uF 1.0V
6
100
6 -
B 5
C612 5
0V
2
47pF
R612 INH 2
CH
GND VEE INH
330 R613 TH611
GND VEE
2.2k 33K
4 3
R615
0V 4
C611 2.2k
0V
22uF -3.2V
4V TH612 R621 R622
R631
330 10k 10k 100
R614 C623
RV611
0.1uF
47k
1k
B
AFM1
DIV SW MUTE SW
PRE AMP(2-2)
0V(Squelch ON)/
3.0V(Squelch OFF)
AF_2-2
0V(RF in Ant a)/
C721
4.7uF IC721
3.0V(RF in Ant b)
10V
TC7W53FU(TE12R)
TC7W53FU(TE12R)
0V
3.2V 0V
IC701 (2/2) C724
8 0.1uF
MC33077DR2
1.0V C722 8
B
5
4.7uF 7 VCC
1 7 VCC
C704 + 10V
7 6
0.1uF R711 1.0V
6
B 100 6 - 5
C712 5
0V
2
47pF
INH 2
R712
CH
GND VEE INH
330 R713 TH711
GND VEE
2.2k 33K
4 3
R715
0V 4
2.2k 0V
C711
-3.2V
22uF
R721 R722
4V TH712 R731
330 10k 10k 100
C723
RV711 R714
1k
47k 0.1uF
B
AFM2
EXT BATT
VCC_DIST2
LOAD SW
EXT BATT VOLTAGE DET
Q802
HAT1044M-EL HAT1044M-EL
L802
22uH
Q801 *1
DTA124EE-TL
11.7V
2
D802
CRS02
*1
11.7V
IC801
L801
47uH
MB3761PF-ER R810
100k
R801 *1 *1
12k
*1 *1 11.7V 0V
11.7V 0V R808
R802 R805 47k R811
C801 10k 15k *1 1k
C802 C803
D803
1uF C804
1uF 1.4V 0.22uF
1SS400TE-61
25V 25V R803 R806 8 22uF
25V
B B 33k 20V
47k B
3 VCC 4
3216
3216 2012
INA OUTA
1 6
R804
INB OUTB
6.8k
2
R809
HYSA
*1
47k
7
R807
6.4V C806
HYSB
4.7k
GND 0.1uF
B
*1
5 6.4V
16V
10.1V
1608
*1 *1 Q803
0.8V 0V
2SK3019TL
VCC_DIST1
INT BATT
LOAD SW
INT BATT VOLTAGE DET Q855
Q853
HAT1043M-EL HAT1043M-EL
Q851 *2
DTA124EE-TL 5.9V
*2
5.9V
IC851
MB3761PF-ER R860
100k
*2 *2
R851 R855
*2 3.3k 15k 5.9V 0V
R858
0V *2
R856 R861
R852 47k
1.9V
1k
6.8k 15k
C852
C853 D852
C854 C855
1uF
1SS400TE-61
8 0.47uF 56uF 56uF
10V R853 D851
10V 1SS400TE-61 10V 10V
B 15k
3 VCC 4
B
2012 INA OUTA
1608
R854 1 6
INB OUTB
10k
2
R859
HYSA *2
S
47k
R857 7
C856
HYSB 5.9V
5.6k
0.01uF
GND
*2
Q852 B
*2
5
25V 5.9V
RN1104-TE85L
4.7V 1608
*2 *2 0V
0.9V
C
RX-60 (3/3) RX-60 (3/3)
DE-EMPHASIS 50uS LPF EQ 330uS
R644
IC641
22 (1/2)
MC33077DR2
C641
IC631
0.1uF IC661
(1/2)
B
3.2V C651 IC641 (2/2) MC33077DR2
C644 0.0027uF
MC33077DR2 3
3.2V R641
0.1uF
1.5k 0V
B
C632 3 8
R651 R652 0V
0.1uF + 0V
3.9k 3.9k
B 1 5 2 -
R642 0V
+
1 4.7k 2 - 7
0V
C
4
6 -
C642
-3.2V 0.015uF
D
0V
R643
3.3k
3
R661
C652
1.2k
0.001uF
-3.2V
C661
C631 C643
0.047uF
0.1uF R645 0.1uF
22
B B
DE-EMPHASIS 50uS LPF EQ 330uS
R744
22
IC741 (1/2)
C741
MC33077DR2
IC731
0.1uF
IC761 (1/2)
B
C751 IC741 (2/2) MC33077DR2
3.2V
C744 0.0027uF
MC33077DR2
3
3.2V R741 0.1uF
0V
C732 1.5k B
3 8
R751 R752
0V
0.1uF 0V
+ 3.9k
3.9k 5
B 1 2 -
R742
0V
4.7k +
1 2 - 7
0V
C
4 6 -
C742
0.015uF
-3.2V
D
0V
R743
3.3k
3
R761
C752
1.2k
0.001uF
-3.2V
C761
C731 C743
R745 0.047uF
0.1uF 0.1uF
22
B B
Q806 Q808
Q804
DTA124EE-TL DTA124EE-TL
+3.3V DOWN CONV *3
-15.3V/2.7V
Q901
L901
HAT1044M-EL
22uH
01ZA8.2(TPL3)
*3
*1
11.7V/5.9V
11.7V
IC901
*1
S-8520F33MC-BNS-T2
D901
0.12V
CRS02
5 4
VIN EXT
R812 *3
Q805
22k 8.4V/1.9V
1 3
2SK3019TL
ON/OFF VOUT
VSS
3.3V
*1
2
*3
0V C901 C902
S
11.7V/5.9V
22uF 82uF
0V
20V 6.3V
S *1
C807
R813
0V 0.1uF
4.7k
*1 B
Q807
DTC124EE-TL
Q857
Q859
DTA124EE-TL DTA124EE-TL
-3.2V INV
L951
47uH Q951
D951
CPH3106-PM-TL
CRS02
*2
R951
-0.08V
5.9V 680
*2
L952
0.06V 3.3V
R952 3.0V
100uH
1.5k
-3.2V
R862 0.6V 0V
Q856
3.3k 01ZA8.2(TPL3)
2SK3019TL
-3.2V
*2
0V
S
C952 C953
R953
82uF 47pF
3.3V
330k
6.3V CH
*2 C857 C951
Q858 R863
0.1uF 15uF
0V 2.2k
DTC124EE-TL -0.2V
6.3V
B IC951
Q854
R954
S-8323D30MC-EZK-T2
22k
2SK3019TL
8-6 8-6
D E
F
EXPANDER
IC671
SA575DK-T
R663
22
0V 0V 0V 0V
R672
3.2V 22
C664
0.1uF
0V
B
8
+
1
-3.1V
3.1V
E
4
-3.2V
C662
47pF
CH
R662
5.6k
R671
6.8k
-2.2V -2.5V 0V
0V
G
0V C672
C663 C671
1uF
R664 0.1uF 0.1uF
20V
22 B C673
B
0.1uF
TB671 TB672
B
1 2 1 2
F
EXPANDER
IC771
SA575DK-T
R763
22
0V 0V 0V 0V
R772
3.2V
22
C764
0.1uF
0V
8 B
+
1
-3.1V
3.1V
E
4
-3.2V
C762
47pF
R762 CH
5.6k
R771
-2.2V
-2.5V 0V
6.8k 0V
G
C763 C771 0V C772
R764 0.1uF 0.1uF 1uF
C773
22 B
B 20V
0.1uF
TB771 TB772
B
1 2 1 2
+3.2V LOAD SW
3.2V
Q903
FL901
D902 L902
HAT1043M-EL
100uH
1 EMI 2
IN OUT
GND
3.2V
R903 3
100k
3.3V D903
R901 1SS400TE-61 R902 0.03V
47k
33k
IC902 R904
1k
S-80827ANNP-EDQ-T2
C903
0V
82uF 3.2V
6.3V
2 1
VDD OUT
0V Q902
S
2SK3019TL
VSS
C904
0V
0.22uF 4
25V
B
0V
3.2V 3.2V
2012
L953 FL951
100uH
1 EMI 2
IN OUT
GND
3
D952
C954
15uF
6.3V
0V *1:EXT 12V in
*2:BATT 6V in
*3:EXT 12V in/BATT 6V in
F
EQ 330uS
C681
0.1uF
B
IC661 (2/2)
MC33077DR2
R682
0V
3.3k 5
+
7
R681 0V AF_1-1 1/3
6.8k
6 -
C683
47pF
CH
C682 R684
0.047uF
1.2k
R683
5.6k
R673
22
EQ 330uS
C781
0.1uF
IC761
(2/2)
B
MC33077DR2
R782
0V
3.3k
5
+
7
R781
0V
AF_2-1 2/3
6.8k
6 -
C783
47pF
CH
C782 R784
0.047uF 1.2k
R783
5.6k
R773
22
VCC 1/3
VCC 2/3
GND
GND 1/3,2/3
-VCC 1/3
-VCC 2/3
RX-60 (3/3)
BOARD NO. 1-681-020-11
WRR-862A/862B
G H