25
KDC-W241AY/W241GY/W3041A/W3041AY/W3041G
/W3041GY/W312A/W312AY/W312G/W312GY/W312SAY
J
I
H
G
F
X34-565x-xx (2/4)
0V
5.0V
0V
4.0V
4.0V
0V
8.0V
5V
0V
5V
0V
5V
0V
8.0V
5.0V
5.0V
0V
5V
0V
5V
0V
5.0V
5.0V
0V
5V
0V
5V
0V
5V
0V
5.0V
0V
0V
5.0V
0V
0V
0V
5V
0V
5V
0V
5V
IC8
IC9
IC6
IC10
A
Q401
P1
Q301
Q104
Q105
Q302
Q903
D803
Q901
Q402
D110
D301
ANALOG SW
D404
D401
DC OFFSET
D901
Q902
POWER IC
RESET IC
J3
D302
PANEL 5V SW
F AUX
M
PANEL CN
E2PROM
CD CN
CN2
X16-
J1
2/2
MUTE CONTROL
J
K
DC OFFSET
DET
DET SW
DC OFFSET
QUICK CHARGE
VOLTAGE SW
IC9 CONTROL SW
DSI
SW
ILLUMI
ROM CORRECTION (NOT USED)
D802
Q801
D305
D306
D304
C
D801
TP153
TP155
TP354
TP165
TP152
TP164
TP154
TH1
TP902
TP353
TP151
TP163
TP352
X2
32.768kHz
TP413
TP162
TP351
TP315
TP432
TP161
TP316
TP160
TP159
TP358
TP903
TP158
TP412
TP357
X1
10.000MHz
TP375
TP157
TP356
TP901
TP156
X3
4.332MHz
TP355
R509 5.1K
R507 2.2K
R506 2.2K
C516
61
60
74
27P
C515
27P
C512
C511
10u35
0.01
2.2K
R508
1
2
3
4
5
6
7
8
Y1B
Y0B
Y1C
ZC
Y0C
E
VEE
VSS
16
15
14
13
12
11
10
9
VDD
ZB
ZA
Y1A
Y0A
SA
SB
SC
10
R491
0
R973
10
R493
0.1
C405
1K
R404
10
R492
47K
R405
0
R972
CH-L
CH-G
CH-R
A-L
A-G
A-R
GND
R
1.5K
R408
10K
R407
69
67
3.9K
R409
24
23
22
21
20
19
18
17
16
15
SAIN
VDD
SD
A
SCL
MUTE
OUTLF
OUTLR
OUTRR
OUTRF
OUTSW
GND
5
6
7
8
9
10
11
12
13
14
A
COUTL
SE3L
SE3R
SE2L
SE2R
SE1L
SE1R
DIFFL
DIFFG
DIFFR
CREF
20
19
18
17
16
15
14
13
12
11
VDD
SD
A
SCL
MUTE
OUTLF
OUTLR
OUTRR
OUTRF
OUTSW
GND
2
3
4
5
6
7
8
9
10
SE3L
SE3R
SE2L
SE2R
SE1L
SE1R
DIFFL
DIFFG
DIFFR
CREF
47u16
C401
1u50
C403
0
R971
FL
RL
RR
FR
L
R
GND
RL
FL
RR
FR
R
L
GND
L
15K
R903
330K
R902
330K
R901
100u16
C901
C902
R915
100u16
100K
R905 100K
R906 100K
22K
R904
FR-
FR+
FL-
FL+
RL-
RL+
RR-
RR+
R907 100K
R908 100K
R911 100K
R912 100K
R909 100K
R910 100K
R913 100K
R914 100K
3
W802
R802
C807
C805
77
C809
R804
10
R808
4.3K
R807
W801
78
R805
R806
0
R963
22K
R406
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
LX DATA M
LX CLK
NC
NC
NC
REMO
NC
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC1
NMI
PANEL DE
NC
NC
ROMCOR
NC
NC
PON FL
NC
PON PAN
NC
PWIC BEE
AUD SCL
AUD SDA
100K
R202
47K
R201
18P
C202
22P
C203
10K
R204
0.1
C204
47K
R206 47K
R207 47K
47K
R208
470
R210
10K
R203
6
2
1
18
26
24
SCL
SDA
2
1
OUT
VDD
N
VS
R205
470
R209
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ESD GND
CN DET
A
UX Rch
A
UX GND
A
UX Lch
NC
SW5V
VFD SYS
VFD CLK
VFD CE
VFD P
A
N
VFD INH
RST
REMO
R
T
R
Y
CW
R
T
R
Y
CCW
FL+B(FL)
LED+B(FL)
P
AN5V
ILL D GND
240
R323
R341 2.2K
R338 2.2K
R337 2.2K
R336 2.2K
R334 1K
R333 1K
R332
R339 2.2K
R331
R342
0
R962
LED+B(LCD)
NC(LCD)
56
57
6
34
32
46
33
31
18
R340 2.2M
R330
26
1
2
3
4
A0
A1
A2
GND
8
7
6
5
VCC
WP
SCL
SDA
SDA
SCL
TP409
AUD SCL
24
23
22
21
20
19
18
1
D-OUT B
UCK
CD DISC12 SW
CD LOS SW
CD-SCL CD-SO
CD-SD
A CD-SI
A
UDIO+B
Lch
GND
R315 4.7K
R316
R967 470
R319 2.2K
R317 2.2K
0.47u50
C301
R320 4.7K
R318 4.7K
37
55
38
36
35
59
SW5V
SW5V
67,69
87
68
SW5V
A
UDIO+B
22K
R598
1K
R599
A
UDIO+B
ILL+B
FL+B
BU
BU
BU5V
B
U5V
-1
B
U5V
-1
A
UDIO+B-1
AUDIO+B-1
SW5V
6,18,26
D
ATA
D
ATA
4.7uH
L401
AUDIO+B-1
Q901
Q902,903
Q402
1
1
R803
47K
2
TA
B
1
NC
OUT2-
OUT2+
3
5
OUT1-
OUT1+
7
9
S GND
13
11
IN1
15
IN3
OUT3+
OUT3-
17
19
6
P GND2
STBY
4
P GND1
VCC
SVR
8
10
16
IN2
IN4
14
12
P GND3
A
C
GND
VCC
18
20
HSD
OUT4+
OUT4-
23
21
MUTE
P GND4
22
24
NC
25
R891
0
1K
R801
W34
TP881
TP871
TP891
R347 1K
47u6.3
C308
0.1
C307
0.1
C306
4.7
R345
2.2
R346
4.7
R344
A-R
A-G
A-L
1000P
C311
1000P
C310
10K
R349
10K
R348
R343 1K
R510
1K
TP410
AUDSDA
0.47
C811
0.47
C815
FL
RL
C813
0.47
C817
0.47
RR
FR
0.22
C818
0.22
C814
C812
0.22
0.22
C816
1
C819
1
C820
+
+
+
+
+
+
+
+
1
1
1
1
1
2
2
2
3
3
3
3
3
4
4
4
4
4
5
5
5
6
6
6
6
6
6
7
7
7
8
8
8
8
8
10
10
10
10
10
3