Schematic Diagram - Disp/Sw Boards - Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual

5-20. SCHEMATIC DIAGRAM – DISP/SW Boards – •
IC1601
ML9261
FL DISPLAY
C1601
DRIVE
47
50V
C1603 C1602
0.1 0.1
LEVEL SHIFT
IC1610
74ACT08
CN1602
11P
C1
C2
C3
C4
(Page 35)
See page 38 for IC Block Diagrams.
R1602
1
LED DRIVE
IC1602
NJU3719
C1608
0.1
R1629
47k
C1616
0.1
C1617 100p
C1619
100p
LEVEL SHIFT
IC1603
74ACT08
C1609
0.1
R1630
47k
C1618
100p
FL1601
FLUORESCENT INDICATOR TUBE
D1611
SEL6810A-TH12
DIMMER
D1612
DIGITAL
D1601 D1604 D1606 D1607
CINEMA
VIDEO 1 DVD/LD
SOUND
MD/TAPE (DB870) CD/SACD (DB1070)
D1602 D1605
D1613
TAPE (DB1070)
VIDEO 2 TV/SAT D1609
6.1CH
TUNER
DECODING
D1603 D1608
VIDEO 3 D1610
CD/SACD (DB870) D1614
PHONO
NIGHT MODE
MD/DAT (DB1070)
R1631 R1632 R1633
220 330 330
RV1601
ROTARY ENCODER
MASTER VOLUME
B3
B4
B2
B1
B5
A2
A1
A4
A3
C1612 C1613 C1614 C1615 R1607 R1608 R1609 R1610 R1618 C1610 C1611 R1617
0.1 0.1 0.1 0.1 10k 10k 10k 10k 10k 0.1 0.1 10k
A1
A2
A3
A4
B1
B2
B3
B4
B5
C1
LED1
LED2 R1641 100
LED3 R1642 100
LED4 R1643 100
FL1 R1644 100
R1645 100
FL2
R1646 100
FL3
R1647 100
FL4
C2 R1648 100
C3
C4
FL5
FL6
33 33
R1601
1
R1640
10k
D1617
MODE
D1618
A.F.D.
D1615
MULTI/2CH
A.DIRECT
D1616
2CH
Q1602
R1638 2SA1115
220
DIMMER
D1619
SEL5E20CTP15
C1607
MULTI 0.1
CHANNEL
R1634 R1635 R1636 DECODING R1637
330 330 330 56
CN1604
13P
1
2
RV1901
3
ROTARY ENCODER
4
(JOG DIAL)
5
D1901
SEL5820A
CN1901
13P LEVEL
1 R1951
330
2
3
4
R1902
1k
5
CN1603
8P
S1901 S1902
ENTER >
R1912
1k
(Page 35)
S1911 S1912
NC EQUALIZER
AU SPLIT S1912
VOL-
STREAM INFO
VOL+
2ND ROOM
FUNC-
FUNC+
R1941
2.2k
JOG-
JOG+
AD5 S1941
AD4
AD3
ON SCREEN
AD2
(DB1070)
AD1
LED DATA
R1931
LED CLR
2.2k
LED LAT
LED CLK
S1931
FL DATA
FL CLR (Page 17)
MODE -
FL LAT
FL CLK
SP ON/OFF
SIRCS
POWER
R1922
1k
+3.3V
+5V
GND S1921 S1922
GND
F1
6.1CH
F2
DECODING
+32V
CN1601 31P
STR-DB870/DB1070
D1902 D1903 D1904 D1905
SEL5820A SEL5820A SEL5820A SEL5820A
SURR EQ NAME SET UP
R1903 R1904 R1905 R1906 R1907 R1908
2.2k 2.2k 4.7k 10k 22k 47k
S1903 S1904 S1905 S1906 S1907 S1908
< LEVEL SURR EQ NAME SET UP
R1913 R1914 R1915 R1916 R1917 R1918
2.2k 2.2k 4.7k 10k 22k 47k
S1913 S1914 S1915 S1916 S1917 S1918
TEST TONE + - FM MODE MEMORY
S1916
TUNING
(DB870) SLEEP (US,CND,E,CH)
PTY
(DB1070) RDS/PTY (AEP,UK)
SELECT
R1942 (AEP,UK) R1944 R1945
2.2k 10k 22k
R1943 4.7k
S1942 S1943 S1944 S1945
FM/AM SHIFT - +
PRESET
TUNING
R1932 R1933 R1934
4.7k 10k 22k
S1932 S1933 S1934
NIGHT MODE MODE +
MULTI/2CH
A.DIRECT
R1923 R1924 R1925
2.2k 2.2k 4.7k
S1923 S1924 S1925
2CH A.F.D.
CINEMA DIGITAL
STUDIO EX CONCERT
HALL