Block Diagram - Display/Key Control Section - Sony STR-DE1075 Service Manual

5-5. BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
J754
BUFFER
TV/SAT
Q750, 751
CTRL S
CONTROL S I/O SWITCH
STATUS IN
IC751
J756
O2-1
OUTPUT
11
VIDEO 1
CIRCUIT
CTRL S
OUT
J755
O2-2
OUTPUT
DVD/LD 10
CIRCUIT
CTRL S
OUT
J753
IN1
INPUT
MONITOR 13
CIRCUIT
CTRL S
IN
INH
J303
CONTROL A1 II
DATA, CLK
(Page 11) B
SCLK, SDAT, SLAT
CLK
(Page 12) J
DATA
LAT
CLK, DATA, LAT
(Page 13) P
CLK, DATA, LAT
CLK
(Page 13) R
DATA
LAT
O3-1
6
O3-2
7
IN3
BUFFER
4
Q752, 753
OUT1
BUFFER
2
Q1702
REMOTE
CONTROL
16.5MHz
RECEIVER
IC1604
D1701
I/O BUFFER
Q1701
CLK
DATA
LEVEL SHIFT
IC804 FUNC LAT
VOL LAT
CLK
DATA
LEVEL SHIFT
IC805 FUNC LAT
Q810
VOL LAT
SYSTEM CONTROLLER
IC1703 (5/6)
V. JOG 15 A
V. JOG 16 B
F. JOG 13 A
F. JOG 14 B
C. JOG 11 A
C. JOG 12 B
63 MBUS TV AD5 136
AD4 135
65 BUS VIDEO
AD3 134
64 MBUS DVD
AD2 133
41 M STSTUS
AD1 132
66 SIRCS
SP. SW 17
57 X1
X1701
58 X2
FL4
CLK 111
FL1
DIN 112
FL3
LAT 113
FL2
CLR 114
86 A1 IN
S1705
I / 1
POWER 62
87 A1 OUT
LED CLR
LED CR 39
LED LAT
LED CE 38
22 21 24 115
LED CLK
LED DATA
15 15
RV1802
MASTER
VOLUME
RV1801
FUNCTION
RV1901
(JOG DIAL)
S1691 – 1693,
S1801
S1671 – 1677
S1661 – 1668
S1651 – 1658
S1681 – 1685,
S1702 – 1704
S1701
FL DISPLAY DRIVE
SPEAKERS IC1601
ON
F1
G1 – G22
OFF
FL4
30 CLK
FL1
28 DIN
LEVEL SHIFT
FL3
IC1610
31 LAT
FL2
32 CL
P01 – P35
F2
LED DRIVE
IC1602
LED2 CLR
19
LED3 STB
PARALLEL
18
LEVEL SHIFT SHIFT
DATA
LED4 CLK
IC1603 17 REGISTER
OUTPUT
LED1 DATA
16
STR-DE1075
Ver 1.1 2001.7
FL1601
FLUORESCENT
INDICATOR
TUBE
D1601 – 1605,
D1611 – 1613,
D1615 – 1619,
D1621 – 1625