13
KDC-W6527SE/W6527SEY
KDC-W657/W657Y
J
I
H
G
F
22K
22K
4.7K
4.7K
22K
22K
4.7K
4.7K
4.7K
0V
0V
14.4V
0V
14.4V
0V
5V
5V
0V
6.8V
6.8V
6.8V
6.8V
6.8V
6.8V
6.8V
6.8V
0V
0-4.4V
0V
6.8V
6.8V
0V
0V
5V
0-8.0V
0-8.0V
0V
4.0V
4.0V
3.5V
0V
5V
0V
4.5V
4.0V
4.0V
3.5V
0V
5V
4.0V
4.0V
4.0V
8.0V
4.0V
0V
4.0V
4.0V
4.0V
0-8.0V
8.0V
4.0V
0V
8.0V
0V
4V
4.0V
0V
5.0V
5V
0V
6.8V
6.8V
4.0V
IC14
IC2
IC11
IC19
IC4
Q60
D310
∗
CN2
∗
D315
∗
Q55
∗
D402
∗
Q59
∗
Q58
Q57
Q56
D518
D201
Q4
D504
D503
Q401
Q400
Q403
Q402
Q404
D510
D508
D509
D507
D500
D506
D505
J2
D511
D513
D514
D515
D516
D512
E-VOL &
N.C.MPX
LEVEL METER
BUFFER
LEVEL
SW
AC-OUT
SUB-OUT
SW
for IC19
ANALOG SW
E's LIGHT
SELECT SW
POWER
IC
NOISE
BUFFER
DSI
DRIVER
CD MD
LED
D302
DRIVER
MUTE
AC-OUT
RESET IC
IC2
: E-TDA7414
IC3,21 : M5237ML-CF0J
IC4
: E-TDA7560A
IC6
: NJM2195FJ1-ZA
IC7
: SI-8050JDNF
IC10
: TC7W02FU-F
IC11
: PST3436UL-E
IC12
: E-TDA7479AD
IC13
: LB1930M-E
IC14
: TA75S558F-F
IC18 : TC7W66FK-F
IC19 : TC4066BFT(N)
IC20 : SI-3050KD
Q1,8,11,15 : 2SB1565
Q2,9,10,33,36
: 2SC4081
Q3,28,41
: 2SA1576A
Q4,53
: PDTC124EE or
Q5,6,13,17,404
: UMC2N
Q7,45
: 2SB1188(R)
Q12,32
: DTC144EUA
Q16,35
: 2SC4617
Q25,27
Q26
Q29
Q30
Q31
Q34
Q37-40
Q42,44,4
MUTE SW
MUTE SW
METER
MUTE
IC1
∗
:
∗
E
X32-5400-00/01) (X32-5500-00/01) (X32-5560-00)
to MD MECHANISM ASSY (X33-3180-00)
Q19,21
Q18,20
2SA1163-F
:
DTC124EE
4.7u25
C319
R309
240
R310
R311
10K
10K
MS CLK
20
LOS/EJE SW
C320
0.01
470
R329
R330 100K
NC
21
22
R ch
9
A
UDIO 8V
M ST
OP
AMUTE
MS D
A
T
A
BU
5V
18
19
D GND
D GND
15
16
17
12
M RST
13
14
A GND
L ch
10
11
LOE/LIM SW
LO
AD
EJECT
7
8
S GND
S5.0V
S5.0V
4
5
6
D OUT
S GND
1
2
3
0.1
∗
C480 0.47u50
0.47u50
C454
3.3u50
R461
10K
C453
3.3u50
∗
R331 2.2K
∗
C322
∗
R327 100K
∗
R333
470
4.7K
0.01
BU
5V
9
M ST
OP
M RST
LOE/LIM SW
8EJE SW
12
13
10
11
D GND
D GND
LO/EJ
D5.0V
D5.0V
7
8
4
5
6
SER
V
O
GND
SER
V
O
+B
MOSW
1
2
3
C483
1
ACOUTR
A
UXL
A
CIN1R
360
∗
R475
360
R480
100K
R481 100K
∗
R474
C478
2.2u50
∗
R473
47K
47K
1
∗
C469
2.2
2.2
MDL
44
43
42
CDL
CDR
MDR
41
40
39
38
CREF
SUBL
SUBR
∗
R472
R468
360
∗
C468
C466
2.2
37
36
35
34
ACOUTL
ACIN0L
ACIN0R
33
∗
W405
∗
C460 1
∗
C464 1
∗
C465 1
∗
W404
∗
C459 1
SCL
LEVEL
MPIN
MPOUT
QUAL
AFS
MUTE
SDA
WINTC2
DCERR
WININ
WINTC1
CDCHL
CDCHC
CDCHR
A
UXR
A
UXC
4
3
2
7
6
5
10
9
8
MPX
11
C455
0.47
12
13
14
15
16
17
18
FREER
FREEL
OUTLR
VS
A
CIN3L
A
CIN3R
A
CIN2R
A
CIN2L
A
CIN1L
30
31
32
27
28
29
OUTRR
OUTRF
OUTLF
24
GND
25
26
23
C462 1
C463 1
0.01
19
20
21
22
TP134
C202 0.1
27P
R216 22K
TP702
R210 47K
R284 100
R212 100K
R215 1K
R214 1K
R213 1K
16.000MHz
TP136
∗
R211 47K
X2
C204
0.01
TP112
∗
C210 0.01
∗
C211 0.01
∗
C212 0.01
2.2K
R206
100K
22P
C203
X1
C201
R207 1K
R201 100K
32.768kHz
R208 10K
TP137
O/I3
CONT3
L401
4.7uH
33K
R403
R402 15K
R405
39K
C449
47u16
R415
33K
R406
39K
R413 15K
∗
C410
∗
C411
R416
15K
C412 1
C470 10
R418
47K
VSS
7
C409 1
∗
W402
R479 100K
R478 100K
I/O3
8
∗
W403
CONT2
O/I1
I/O2
O/12
6
5
4
3
I/O1
2
1
CONT1
O/I4
I/O4
CONT4
9
10
11
12
VDD
13
14
C406
0.1
4
4
TP94
TP99
TP98
TP97
47u6.3
C510
0.47
C511
R517
10
R518
4.7
C513
0.01
TP104
TP102
TP103
R520
1K
TP96
TP101
TP100
TP95
GND
LX CON
LX REQ M
GND
4
3
1
2
CH-L
CH-R
LX RST
LX D
A
T
A
M
LX CLK
LX MUTE
LX D
A
T
A
S
13
12
11
8
7
10
5
6
9
LX REQ S
C514
R528 68K
R529 10K
R521 47K
1
C515
33u16
0.47u50
C516
0.47u50
C519
TH1
470
OUT4+
23
PWGND3
PW
PWGND2
A
CGND
12
6
2
4
8
10
OUT2-
DET
OUT2+
OUT1+
OUT1-
14
16
18
20
22
IN3
IN1
SGND
OUT3-
OUT3+
SVR
STBY
5
3
1
T
AB1
11
9
7
VCC1
17
15
13
IN4
IN2
21
VCC2
19
PWGND4
24
26
HSD
OUT4-
T
AB2
27
25
MUTE
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RL+
RL-
FL+
FL-
RL
FR
0.47u50
C517
0.47u50
C518
RR
FL
10
R523
7.5K
R522
1u50
C521
1
C520
4.3K
R524
1u50
C522
GND1
OFF
TP111
10
10
R519
0.47
C512
90
80
92
91
18
100
98
99
CHG
CHR
CH-
∗
CP201
10K
47K
∗
R217
47K
∗
R218
R466 22K
R467 22K
C461
2.7K
R462
0.1
C457
4.7K
R463
220P
C456
∗
C476 1
∗
C477 1
4.7K
R464
TP43
TP47
TP46
TP44
TP45
TP42
TP41
TP39
TP38
TP40
TP37
R312 120K
C317 22P
RR
FR
FL
RL
NL
NR
SDA
SCL
R470 47K
R469 47K
360
R471
2.2
C467
∗
C479
5
18
24
25
17
54
48
SCL
SD
A
46
50
49
51
53
∗
R328
51
52
54
53
50
49
VCC
OUT
4
5
2
IN-
3
IN+
VEE
1
1
C318
4.7K
R314
100K
R313
R315 22K
28
C458
Q55
21
19
89
95
93
CHG
CHR
AR
AG
16
84
83
22
20
22
16
83
84
100
R514
100
R510
4.7K
R511
100
R513
4.7K
R509
220
R526
22K
R525
220
R527
VSS
NC
VDD
2
V
OUT
1
3
4
20
100
R512
100
R516
2
4
3
1
3
88
R515 100
RR-
RR+
FR-
FR+
28
34
35
32
33
29
67
66
10
30
31
31
30
R202
C485 1
1
C484
+
+
+
+
+
+
+
+
+
+
+
X34-3012-7x (2/4)