Sony HBD-E280 Service Manual page 96

HBD-E280/T28
2-2. SCHEMATIC DIAGRAM
1 2 3
DISPLAY BOARD
A
CN01
R
2P
PW-SW 1
POWER
B GND 2
KEY
BOARD
CN301
(Refer to page
52 on original
service manual)
C
D
E
CN02
15P
CL76
KEY2 1
KEY1 2
CL02
KEY0 3
CL03
UNSW3.3V 4
F CL04
SIRCS 5
CL05
L
FLGND 6
CL06
PCONT_FL 7
CL07
MB-141
PANEL6V 8
BOARD
(10/12)
NO USE
9
CN6203 CL08
(Refer to page GND 10
CL09
45 on original
FL_CS 11
CL10
service manual)
FL_DOUT 12
G CL11
FL_CLK
13
CL12
LED1 14
NO USE 15
H
HBD-E280/T28
4 5 6
REMOTE CONTROL
1 3 2
HM2140RS T-12M2
CL13
C02 D06 C27 C30 C31 R30
0.1 DA2J10100L 1 4.7 0.01 47
R27
100k
CL19
Q04
DSC500100L
L01
100uH
0 Q01, 02, 04
B+ SWITCH
3.1
Q02
6.2
RSR025P03TL
CL71
0.2
R01 R02
2.2k 1k
S
0
6.2
3.1
R05
47k
CL70
Q01
RT1N441M-TP-1 C05 C07 C08
CL72 CL79
0.1 100 0.1
10V
R28
0
C43
0.1
R43
S43
C01
100
0.01
VOLUME –
R04 CL15
R44 1k
S44
1k
FUNCTION
R45
S45
2.2k
R25 100 CL64
R24 100 CL65
R23 100 CL66
C40
0.1
CL14
R40
S40
100
C13
VOLUME +
0.01
R41
S41
1k
CL01 CL16 CL28
R42
S42
2.2k
7 8
IC30
RECEIVER
IC30
1 2 5 6
R26 D02 D03
470k MC2837 MC2837
T01
L02
R06
100uH DC/DC CONVERTER
2.7k CL24
TRANSFORMER
0 4 9
6
-1 5
C10
6
0.022
-2
6 1
Q03
CPH5504-TL-E
0
OSC
8 2
7 3
CL25
CL20
1 2 3
IC01
C04
1
+5V REGULATOR
IC01
MM3404A50URE
3.2 6.2 14 13 12
1 CE Vin 4
5
2 GND Vout 3
CL82
C06 C26
CL23
1 0.1
4 4
9 10 11
ND01
FLUORESCENT INDICATOR TUBE
7 8 9 10 11 12 13 14 15 16 17 18 24 25 26 27 28 29 30 31 32 33 34 35 36
CL40
D05
DZ2J05100L
C17
0.1 R17
47
R14
CL69
47
G9 -28
34 GR9
G8 -28
35
GR8
G7 -28
36 GR7
C14 C15 R13 C20
G6 -28
0.01 47 10k 0.01
37
GR6
35V
G5 -28
38 GR5
G4 -28
39 GR4
CL80
CL81
G3 -28
40
GR3
G2 -28
41 GR2
G1 -28
42 GR1
5
43 VDD
44 VSS
CL27
4 5 6 7
IC03
LEVEL SHIFT
IC03
74AHCT04PW-118
11 10 9 8
R31
220
CL75
CL67 R29 220
CL68 R32 220
C18
10 CL41
12 13 14
39 40
33 32 31 30 29 28 27 26 25 24 23
S9
SG9 22
S8
SG8 21
S7
SG7 20
S6
IC02
SG6 19
S5
SG5 18
FLUORESCENT INDICATOR S4
TUBE DRIVER SG4 17
S3
IC02
SG3 16
PT6315
S2
SG2 15
S1
SG1 14
5
VDD 13
CL63
VSS 12
1 2 3 4 5 6 7 8 9 10 11
R22 C25
82k 0.1