5-26. Schematic Diagram - Display Board - Sony HBD-E280 Service Manual

5-26. SCHEMATIC DIAGRAM - DISPLAY Board -

1 2
DISPLAY BOARD
A
CN01
R
2P
PW-SW 1
POWER
B
GND 2
KEY
BOARD
CN301
(Page 52)
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
CL08
CN6203
GND 10
(Page 45)
CL09
FL_CS 11
CL10
FL_DOUT 12
CL11
G
FL_CLK
13
CL12
LED1 14
NO USE 15
H
HBD-E280/T28
• See page 55 for IC Block Diagrams.
3 4 5
1 3
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
CL72 CL79
0.1 100
10V
R28
0
C43
0.1
R43
S43
C01
100
0.01
VOLUME –
R04
R44 1k
S44
1k
FUNCTION
R45
S45
2.2k
R25 100
R24 100
R23 100
C40
0.1
CL14
R40
S40
100
C13
VOLUME +
0.01
R41
S41
1k
CL01 CL16 CL28
R42
S42
2.2k
6 7 8
IC30
REMOTE CONTROL
2
RECEIVER
IC30
HM2140RS T-12M2
1 2
R26 D02
470k MC2837
T01
L02
R06
DC/DC CONVERTER
100uH
2.7k CL24
TRANSFORMER
0 4 9
6
-1 5
C10
6
0.022
-2
6 1
Q03
QS5W2TR
0
OSC
8 2
7 3
C08
CL25
0.1
CL20
IC B/D
1
IC01
C04
1
+5V REGULATOR
IC01
MM3404A50URE
CL15
3.2 6.2 14
1 4
CE Vin
5
2 GND Vout 3
CL64
CL65
CL66
C06 C26
1 0.1
53 53
9 10 11
ND01
FLUORESCENT INDICATOR TUBE
5 6 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
D03
MC2837
CL40
D05
DZ2J05100L
C17
0.1 R17
47
R14
CL69
47
G9 -28
G8 -28
G7 -28
C14 C15 R13 C20
G6 -28
0.01 47 10k 0.01
35V
G5 -28
G4 -28
CL80
CL81
G3 -28
G2 -28
G1 -28
5
CL27
2 3 4 5 6 7
IC B/D
IC03
LEVEL SHIFT
IC03
74AHCT04PW-118
13 12 11 10 9 8
R31
220
CL75
CL67
CL82
CL68
C18
CL23
10 CL41
HBD-E280/T28
12 13 14
39 40
33 32 31 30 29 28 27 26 25 24 23
S9
34 GR9 SG9 22
S8
35
GR8 SG8 21
S7
36 GR7 SG7 20
S6
37 IC02
GR6 SG6
19
S5
38 GR5 SG5 18
FLUORESCENT INDICATOR S4
39 GR4 TUBE DRIVER SG4 17
S3
IC02
40
GR3 SG3 16
PT6315
S2
41 GR2 SG2 15
S1
42 GR1 SG1 14
5
43 VDD VDD 13
CL63
44 VSS VSS 12
1 2 3 4 5 6 7 8 9 10 11
R29 220
R32 220
R22 C25
82k 0.1