REV
DESCRIPTION
Date
S817
1standby
S814
2listen
S818
4mono
S815
5mode
S819
7speaker
S816
8volume
R819
10K
R818
10K
R817
10K
5VS
VD1
VD2
VD3
VD4
VD5
VD6
VD7
VD8
V
1
S
2
G
3
U801
IR RECEIVER
Q802
2SC1815
R825
10K
R826
10K
R834
10K
5VS
5VS
R823
22
C817
0.1U
GND
C826
20P
C825
20P
X81
11.0592MHz
GND
GND
5VS
C821
0.1U
GND
1
2
J81
CON2
GND
R828
10K
5VS
A0
1
A1
2
A2
3
Vss
4
SDA
5
SCL
6
WP
7
Vdd
8
U804
24C16
GND
5VS
C824
0.1uF
GND
5VS
C823
0.1uF
GND
R829
10K
R830
10K
GND
VCC
RESET
U805
TCM810
GND
R837
10K
1
2
3
4
CON801
CON4
/EN
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
RIN
8
ROUT
9
/INV
10
DIN
11
FCON
12
DOUT
13
GND
14
VCC
15
/FCOFF
16
U802
MAX3221
C828
0.1U
C827
0.1U
C829
0.1U
C830
0.1U
GND
C831
0.1U
5VS
R841
0R
R842
0R
RXD
TXD
TXD1
RXD1
GND
5VD
ENCODER_A
ENCODER_B
S820
RESET
C832
0.1U
R843
10K
5VS
GND
GND
SPK A
SPK B
OPSEL STB
OPSEL DATA
OPSEL C
L
K
VOLR STB
VOLR DATA
VOL
R CL
K
VOLL C
L
K
VOLL DATA
VOLL STB
TONE
FUNC
HDATA
HCLK
LEDA
STBY
PROTECT
IR S
TXD
RXD
IR V
S811
3recorde
S812
6biamp
C815
0.1u
IR IN
IR OUT
GND
GND
C812
10N
R844
47K
P1.5/
C
EX2
27
P1.4/
C
EX1
25
P1.3/
C
EX0
23
P1.2/
E
CI
22
P1.1/T2EX
21
P1.0/T2
19
P0.7/
AD7
3
P0.6/
AD6
5
P0.5/
AD5
6
P0.4/
AD4
9
P0.3/
AD3
11
P0.2/
AD2
12
P0.1/
AD1
14
P0.0/
AD0
15
VCC
17
P2.0/A8
54
P2.1/A9
55
P2.2/A10
56
P2.3/A11
58
P2.4/A12
59
P2.5/A13
61
P2.6/A14
64
P2.7/A15
65
VSS
51
XTAL1
49
XTAL2
48
P1.6/
C
EX3
28
P1.7/
C
EX4
29
P5.7
16
P5.6
13
P5.5
10
P5.4
8
P5.3
7
P5.2
63
P5.1
62
P5.0
60
P4.7
57
P4.6
53
P4.5
50
EA
2
PSEN
67
ALE/PROG
68
P3.3/INT1
41
P3.4/T0
42
P3.5/T1
43
P3.6/WR
45
P3.7/RD
47
P4.0
20
P4.1
24
P4.2
26
P4.3
44
P4.4
46
P3.2/INT0
40
P3.1/TXD
39
P3.0/RXD
34
RESET
30
U803
89C51RD68
GND
5VD
DB7
14
DB6
13
DB5
12
DB4
11
DB3
10
DB2
9
DB1
8
DB0
7
E
6
R/W
5
RS
4
RST
3
VCC
2
GND
1
U810
M3 VFD
GND
NAD M3
GND
GND
R845
47K
Q809
2SC3326
R853
10k
R851
10k
GND
R850
10k
5VS
VOLA
Q808
2SC3326
R849
10k
R847
10k
GND
R867
10k
5VS
R852
10K
R848
10K
Q803
2SC3326
GND
R815
10k
R816
3K3
GND
SPK A
SPK B
STBY
ZERO L
ZERO R
C833
1N
C834
1N
C835
1N
C836
1N
C837
1N
5VS
R835
330
R833
330
R836
330
GND
LEDB
2
3
1
4
R
O
B
D801
BL-BUBJFB52C4V-1
Q807
DTA114
Q806
DTA114
Q805
DTA114
5VS
5VS
C810
1N/50V
Add C810
VM1.0
2005/11/11
D802
ss12
C844
1000u/16v
C842
10U/10V
GND
C839
10U/25V X5R
C843
100n
5VD
gnd
3
out
4
in
2
en
1
adj
5
dap
6
U806
TL1963A-KTT
GND
C840
N.I.
R864
8K45
C841
330u/16v
C838
330u/16v
Vin
3
GND
1
Vout
2
U808
LM1117MPX-5.0
C845
100N
C846
10U/10V
C847
10U/10V
5VS
R863
10K
R814A
100RJ
R814D
100RJ
R814C
100RJ
R814B
100RJ
/e1
1
a0
2
a1
3
a2
4
a3
5
a4
6
a5
7
a6
8
a7
9
gnd
10
y7
11
y6
12
y5
13
y4
14
y3
15
y2
16
y1
17
y0
18
/e2
19
vcc
20
U809
74HC541
C849
100N
GND
GND
/e1
1
a0
2
a1
3
a2
4
a3
5
a4
6
a5
7
a6
8
a7
9
gnd
10
y7
11
y6
12
y5
13
y4
14
y3
15
y2
16
y1
17
y0
18
/e2
19
vcc
20
U811
74HC541
C850
100N
GND
GND
5VS
R846
3K3
STBY
STBY
A 0 B 0 BULE
A 1 B 0 ORANGE
A 0 B 1 RED
GND
GND
a0
1
a1
2
a2
3
/g2a
4
/g2b
5
g1
6
y7
7
gnd
8
y6
9
y5
10
y4
11
y3
12
y2
13
y1
14
y0
15
vcc
16
U807
74HC138
S3
S2
S1
C852
100N
S3
S2
S1
LEDA
LEDB
5VS
5VS
HDATAb
HCLKb
VOL
R ST
Bb
OPSEL C
L
Kb
OPSEL DATAb
OPSEL STBb
VOLR DATAb
SPK Ab
SPK Bb
VOLR CLKb
VOLL CLKb
VOLL DATAb
VOLL STB
b
Q801
DTA114
VOLAa
FUNCa
PROTECTa
PROTECTa
IR V
IR V
IR S
R859A
100RJ
R859D
100RJ
R859C
100RJ
R859B
100RJ
R860A
100RJ
R860D
100RJ
R860C
100RJ
R860B
100RJ
R861A
100RJ
R861D
100RJ
R861C
100RJ
R861B
100RJ
R862A
100RJ
R862D
100RJ
R862C
100RJ
R862B
100RJ
STBYb
TONEb
HDATA
HCLK
VOLR STB
OPSEL C
L
K
OPSEL DATA
OPSEL STB
VOLR DATA
SPK A
SPK B
STBY
VOL
R CL
K
VOLL C
L
K
VOLL DATA
VOLL STB
TONE
STBY
Q804
DTC114
STBY
R856A
100RJ
R856D
100RJ
R856C
100RJ
R856B
100RJ
R857A
100RJ
R857D
100RJ
R857C
100RJ
R857B
100RJ
R858A
100RJ
R858D
100RJ
R858C
100RJ
R858B
100RJ
R854 100R
R855 100R
5VS
5VS
R866
10R
C848
10U/10V
5VD
C851
10U/10V
R813A
10K
R813D
10K
R813C
10K
R813B
10K
R812A
10K
R812D
10K
R812C
10K
R812B
10K
6V
6V
GND
R868
2K74
ZER
O L
ZER
O R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CON802
TO PSU_SCH CZ72
FUNC
HDATAb
HCLKb
RXD1
TXD1
PR
OTEC
T
C816
0.1U
VOL
R ST
Bb
OPSEL C
L
Kb
OPSEL DATAb
OPSEL STBb
VOLR DATAb
SPK Ab
SPK Bb
STBYb
VOLR CLKb
VOLL CLKb
VOLL DATAb
VOLL STB
b
TONEb
VOLA
IR IN
IR OUT
GND
5VD
6V
1
2
3
4
CON804
CON4
5VS
GND
TXD1
RXD1
5VS
Q810
N.I.(2SC1815)
R869
0
C853
10U/10V
XM1
HOLE
C801
22N
R801
100R
GND
XM3
HOLE
C802
22N
R802
100R
GND
D806
1SS352
D805
1SS352
D804
1SS352
D803
1SS352
M3e FRONT PANEL KEYBOARD