Service manual

Table Of Contents
Schematic Diagrams
B - 36 LED Board (71-P3000-004)
Schematic Diagrams
LED Board
Sheet 1 of 1
LED Board
+5V
+5V
+5V
+5V
+5V
+5V+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
IR-LED#
IR-CAPS#
IR-SCR#
IR-NUM#
Z013
IRKCLOCK
IRKCLOCK
ADJUST1#
MENU#
ADJUST2#
PWRSW#
DEVICE-LED#
PWR-LED#
Z003 Z005
S-LED#
C-LED#
Z007
N-LED#
RF/IR-LED#
Z006Z004
ADJUST2#
ADJUST1#
MENU#
IRMCLOCK
IRMDATA
IRKCLOCK
IRKDATA
RF-LED#
NUM-LED#
CAPS-LED#
SCR-LED#
C-LED#
N-LED#RF/IR-LED#
IR-LED# IR-NUM#
IR-SCR#
CAPS-LED#
NUM-LED#RF-LED#
IR-CAPS#
IRKDATA
IRKDATA
PWRSW#
Z011PWR-LED#
DEVICE-LED#IRMCLOCK
IRMCLOCK
Z010
Z009
Z008
IRMDATA
IRMDATA
Z001 Z002
S-LED#
SCR-LED#
R2
10K
12
U3C
74HCT08
9
10
8
147
R11
22K
12
R10
0
R3
10K
12
D1
FD/HD-LED
AC
R4
470
12
R5
470
12
R6
470
12
D2
SCR-LED
AC
D3
CAPS-LED
AC
R12
390
12
D4
NUM-LED
AC
U3D
74HCT08
12
13
11
147
R7
470
12
R8
470
12
R9
10K
12
D5
RF/IR-LED
AC
R13
10K
12
R14
470
1 2
SW1
HCH PTS-021-G
2
4
6 5
1
3
D2
S2
G2 G1
D1
S1
H5
C315D118
SW2
ADJUST1
1 2
5
43
SW3
ADJUST2
1 2
5
43
SW4
MENU
1 2
5
43
C5
47P
12
C4
47P
12
C15
0.1u
12
C3
47P
12
H1
C158D71
H2
C158D71
C1
47P
12
H3
C315D118
H4
C315D118
CN2
ACES 85204-1000
1
2
3
4
5
6
7
8
9
10
U2 VISHAY TSOP1738SF1
3 2
1
OUT IN
CON
M1
M-MARK1
M2
M-MARK1
M3
M-MARK1
U1
WINBOND_W78LE812F-24
29
15
14
4
8
9
10
11
40
41
42
43
44
1
2
3
37
36
35
34
33
32
31
30
18
19
20
21
22
23
24
25
13
12
26
27
7
5
17
28
39
6
38
16
EA/VP
X1
X2
RESET
INT0
INT1
T0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
RD
WR
PSEN
ALE/P
TXD
RXD
P4.0
P4.1
P4.2
P4.3
VDD
VSS
C10
200P
12
C11
0.1u
12
C2
0.1u
1 2
Y1
11MHz
+
C9
47u / 16V_D
12
C8
3.3u_0805
12
C6
47P
12
U3A
74HCT08
1
2
3
147
CN1
ACES 85204-1500
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C7
47P
12
C12
0.1u
12
C14
10u/16V_1206
12
R1
10K
12
C13
0.1u
12
U3B
74HCT08
4
5
6
147
G-LED
TO M/B
TO M/B