Schematic Diagram − Display Section - Sony STR-DB795 Service Manual

6-32. SCHEMATIC DIAGRAM – DISPLAY/FUN/VOL/DIRECT Boards –
CN1080
5P
VCC(3.3V)
OPT GND
OPT OUT
H.P SW
H.P SW GND
(Page 33)
R1012
1
C1012
0.1
S1056
C1027
TP100 MAIN MENU
0.1
(CHASSIS)
STR-DB795
R1035
10k
R1032
10k
R1037
4.7k
R1033
56
Q1031
2SA1175
DIMMER
CONTROL MULTI CHANNEL DECODING
SWITCH
R1031
220
FL1603
FLUORESCENT INDICATOR TUBE
C1014
C1013
22
0.1
35V
GRID10
SEG9
SEG9 GRID9
SEG8
SEG8 GRID8
SEG7
SEG7 GRID7
SEG6
SEG6 GRID6
SEG5
SEG5 GRID5
SEG4
SEG4 FLUORESCENT GRID4
SEG3
INDICATOR TUBE
SEG3 GRID3
SEG2 DRIVER
SEG2 GRID2
IC1001
SEG1
PT6315
SEG1 GRID1
VDD VDD
VSS VSS
JW1015
100
C1001
100p
C1003 R1004 R1005
2200p 47k 82k
C1010
220
10V
R1056 R1055 R1054 R1053 R1052
10k 4.7k 2.2k 2.2k 1k
S1065
S1054 S1053 S1052 S1051
MEMORY/ENTER
PRESET
- + - TUNING +
TUNING
R1036
4.7k
D1071 C1071
C1031
HZ6.8BP 47
0.1
-TK 16V
Q1032
D1031
2SC2785
SEL5E20C
TP15 LED DRIVE
C1051
47
16V
R1011
1
C1011
0.1
JW1014
100
C1007
220p
C1006
220p
GRID9
GRID8
GRID7
GRID6
GRID5
C1008
220p
GRID4
GRID3
R1009
47k
GRID2
GRID1
C1005 C1009
0.1 0.1
LEVEL SHIFT
IC1006
TC74ACT08P
R1047 R1046 R1045 R1044
22k 10k 4.7k 2.2k
S1047
SURR BACK S1046 S1045 S1044 S1043
DECODING 2CH A.F.D. MOVIE MUSIC
49 49
RV1051 RV1052
ROTARY ENCODER ROTARY ENCODER
MENU -/+
REMOTE
CONTROL
RECEIVER
IC1051
NJL24H400A
R1059
100
R1058
10
S1050
S1057
SPEAKERS
R1042
1k
S1042 S1041
DISPLAY INPUT MODE
RV1061
ROTARY ENCODER
INPUT
SELECTOR
JW1061
JW1062
JW1063
RV1060
ROTARY ENCODER
MASTER
VOLUME
CN1061 CN1060
5P 3P
VOL+ VOL+
GND GND
VOL- VOL-
AD2
GND
R1043
2.2k
CN1062
3P
GND
R1057 R1060
22k 47k
AD2
S1062
GND
S1061
MULTI
DIRECT
CH IN
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
STR-DB795
CN1001
31P
AC 6V
GND
AC 6V
POWER
SIRCS
+3.3V(STBY)
SP SW
-/+ +
-/+ -
MENU +
MENU -
V3 OPT
OPT GND
OPT GND
+3.3V
HP SW
-28V
DISP GND
DISP GND
(Page 29)
DISP GND
+5V
FL DATA
FL CLK
FL STB
VOL+
VOL-
FUNC+
FUNC-
AD2
AD1