Sony STR-KS370 - Display, IR, LED, Key Function, Key Power Boards - Schematic Diagrams; Key;Display;IR;LED Board Schematics

STR-KS370
STR-KS370
3030
5-20. SCHEMATIC DIAGRAM - DISPLAY, IR, LED, KEY FUNCTION AND KEY POWER Board -
• See page 10 for Waveforms. • See page 33 for IC Block Diagrams.
1 2 3 4 5 6 7 8 9 10 11 14 1512 13
A
B
C
D
E
F
G
H
I
J
DISPLAY BOARD
IR BOARD
MAIN
BOARD
(3/5)
CNS700
(Page 21)
WHITE LED
CNP704
3P
CL719
CL717
CL718
CL703
CL727
CL713
CL726
CL702
SIRCS
DGND
DGND
VOL JOG
STBY +3.3V
1
2
3
4
5
CNP701
6P
R711
100
+3.3V
DGND
1
2
3
C700
47
16V
C729
0.1
C701
0.022
C702
4700p
T700
DC/DC
CONVERTER
R701
3.9k
L700
47uH
-1
-2
2
3
5
6
8
7
1
49
Q701
CPH5504-TL-E
OSC
D726
MC2840-T112-1
D727
MC2840-T112-1
C703
0.01
C728
0.1
R702
47
R703
33k
D728
MAZ8062G0LS0
C704
33
35V
C706
33
35V
C705
0.1
D729
SML78423C-TP15
DISPLAY INDICATOR
Q702
2SC3052EF-T1-LEF
LED DRIVE
R714
100
R713
100
R700
47
R712
100
Q700
2SC3052EF-T1-LEF
LED DRIVE
C713
220p
C715
220p
C716 220p
C717 220p
C718 220p
C719 220p
C720 220p
C721 220p
C722 220p
C723 220p
C724 220p
C707
0.1
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
FLUORESCENT INDICATOR TUBE
DRIVER
IC700
HT16515
IC700
SEG1
VDD
VSS
SEG10
SEG11
SEG12 SEG13 SEG14 SEG15 SEG16
VEE
SEG17
GRID11
GRID10
KEY2 KEY1 STB CLK DIN DOUT OSC SW4 SW3 SW2 SW1
R708 100
R707 100
R705
100k
R706 100
C708
10
50V
C709
0.1
L702 47uH
FL700
FLUORESCENT INDICATOR TUBE
CNS701
13P
CL705
CL706
CL707
CL708
CL700
CL711
CL710
CL712
CL725
CL716
CL715
CL714
CL721
FL LAT
FL CLK
CEC STBY LED
FL DATA
POWER SW
SIRCS
VOL JOG
ADKEY1
STBY +3.3V
+3.3V
DGND
FLGND
+5V
POWER SW
CNP703
3P
ADKEY1
DGND
1
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
CL724
CL720
CL722
E
RT1N141C-TP-1
LED DRIVE
Q380
SL-194S-WS-SD-T
D380
1
2
3
3P
CN752
WHITE_LED
+3.3V
DGND
47
R381
10
R380
CL751
CL752
CL753
CL754
CL755
22k
R752
10k
R753
4.7k
R754
4.7k
R755
0.01
C755
0.01
C756
10
C751
22
R750
MASTER
VOLUME
22
R756
2.2k
R757
1
3
4
5
6
6P
CN750
SIRCS
DGND
DGND
VOL JOG
+3.3V STBY
RV750
ROTARY ENCODER
1
23
45
VCC
OUT
GND
GP1UE274RKC1
REMOTE
CONTROL RECEIVER
IC750
CL300
S301
0.1
C300
CL302
CL305
0.1
C301
0.1C302
MC2837
D301
1k
R301
2
1
4
3
6
5
6P
CN301
DGND Display
ADKEY1 Display
Power SW
CHASIS GND
DGND Selector
ADKEY Selector
2.2k
R351
CL351
CL350
S350 S351 S352
0.1
C350
1
2
2P
CN750
ADKEY1
DGND
C351
0.1
C352
0.10.1
C353
2.2k
R350
1k
R352
INPUT SELECTOR - SOUND FIELD INPUT SELECTOR +
IC750
LED BOARD
KEY POWER BOARD
KEY FUNCTION BOARD
(CHASSIS)
-27.5 -13.5 -24.8 -24.8 -13.5 -20.3 -27.2 -25.0
-25.0
-27.1
-13.6
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
-25.0
3.3
-18.2
-20.3
-11.5
-15.9
-27.0
-27.0
-27.0
-18.2
-24.8
3.3
2.30 3.3 3.3
3.0
3.2
-0.2
5.8
5.8
-0.2
0
0
3.4
1.9
3.1
3.3
3.4
3.4
3.3
0
0
9
10