47
KVT-715DVD,725DVD/-B,735DVD
KVT-745DVD,765DVD,815DVD
BN
BO
BP
BQ
BR
1
2
3
4
7
22K
22K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
22K
22K
4.2V
4.2V
4.2V
4.2V
4.2V
5.2V
3.7V
4.3V
4.2V
0V
0V
3.9V
3.7V
1.5V
2.7V
5.2V
0V
4.3V
5.2V
5.2V
0V
0V
0V
0V
52
V
0V
0V
4.3V
9.6V
9.6V
-9.1V
-9.1V
-9.1V
13.9V
8.8V
0V
5.1V
0V
5.1V
5.1V
0V
0V
0V
13.9V
0V
4.3V
0V
9.6V
8.2V
ELECTRIC UNIT (X34-315x-xx)
IC301
IC452
IC300
IC604
IC603
IC602
IC250
J1
D5
CN900
Q900
Q902
Q901
Q903
FAN 5V
ELECTRICAL VOL.
SELECTOR FM MPX
Q300
∗
A
Q301
NOISE
DET. SW
S-MUTE
SW
D451
D452
D459
D458
D457
J501
D460
RESET INV.
(BOTTOM VIEW)
D461
D462
Q460
D454
D453
& 6dB AMP
75 DRIVER
D456
D
455
Q606
Q605
Q604
Q602
Q601
Q600
DIGITAL
PROCESSOR
AUDIO
(5V PRE OUT)
(5V PRE OUT)
CN601
OP AMP
OP AMP
CN603
(5V PRE OUT)
OP AMP
D250
AUDIO
POWER IC
Q603
D602
PRE OUT MUTE
FAN
to MONITOR I/F (X14-MOTHER)
RESET SW
WH1
PO
WER/DC IN
PRE OUT
8
9
7
20
10
24
22
18
REAR Lch-
REAR Lch+
FRONT Lch+
FRONT Lch-
REAR Rch+
REAR Rch-
FRONT Rch+
FRONT Rch-
P-CON
P-ANT
GND
L2
B.U.
F1
EXT AMP
L-MUTE
ILLUM
3900u16
C23
0.01
C21
0.01
C22
+
11
10
9
14
12
3.3K
R901
2.7K
R902
2.2
C900
12K
R903
10K
R920
Q900-903
11
10
9
8
7
6
5
4
3
2
1
23
24
25
26
27
28
29
30
31
32
33
12
13
14
15
16
17
18
19
20
21
22
MPX
WINTC2
DCERR
WININ
WINTC1
CDCHL
CDCHC
CDCHR
A
UXR
A
UXC
AU
X
L
AC
AC
A
A
OUTRR
OUTRF
OUTLF
GND
VS
AC
IN
3L
AC
IN
3R
AC
IN
2R
AC
IN
2L
AC
IN
1L
AC
IN
1R
LEVEL
MPIN
MPOUT
QUAL
AFS
MUTE
SDA
SCL
FREER
FREEL
OUTLR
3.3u50
C320
+
3.3u50
C323
+
10K
R304
1
C319
2.2K
R305
220P
C317
0.47
C318
2.7K
R303
4
5
6
2
1
3
0.1
C313
2.2K
R306
0.1
C309
21
20
10
11
14
4.7K
R300
2
135
4.7K
R301
RL
FL
FR
RR
C329 1
C327 1
33
C328 1
32
C325 1
C324 1
C326 1
2
1
4
3
8
6
5
7
10
9
14
12
11
13
15
19
17
16
18
21
20
2.2u50
C450
+
15
R452
C451
+
15
R453
+
C452
47u16
R454
4.7
2.2u50
6
4
5
17
18
13
19
R459 1K
R461 1K
1K
R464
100
R463
45
47
114
48
81
28
46
27
100
R458
R462 1K
1
C464
5
Y
VCC
0.1
4
A
2
NC
R467
1K
3
GND
10K
R470
0.1
C465
220u6.3
C454
+
220u6.3
C456
+
10u
C4
330u6.3
C461
220u6.3
C459
+
+
1K
R468
R611
C605
22u16
FL
360
7
9
FR
+
C603
22u16
C604
22u16
RL
+
R607
360
R608
360
4
Q600-606
+
R603
C601
C602
22u16
22u16
RR
+
21
+
6
360
360
R604
3
2.2K
R601
2.2K
R602
2.2K
R605
2.2K
R606
2.2K
R609
2.2K
R610
14
13
12
11
10
9
8
7
6
5
4
3
HRR
O
HRLO
OREF
HFR
O
HFLO
AXOL
AXOR
CL2
CL1
CR2
CR1
15
16
17
18
19
20
21
22
23
24
25
26
HRR2
HRR1
HRL2
HRL1
HFR2
HFR1
HFL2
HFL1
CREF
A
GND
DGND
33
32
0.33
C301
0.33
C303
0.33
C305
0.33
C307
0.33
C300
0.33
C302
0.33
C304
0.33
C306
1u50
+
C312
AOUT
AIN+
0.01
C631
R643
R648
R651
7
FL
7
GND
RR
NF R
GND
NF L
3
3
1
2
1
6
4
5
6
4
RL
C640
10u16
FR
9
RR
6
FL
7
GND
8
0.01
C635
+
C636
10u16
+
C638
10u16
FR
GND
9
9
8
82
+
22u16
R652
R653
C637 0.01
R647 10K
1
8
V+ AOUT
BOUT
BIN-
6
7
22K
3
2
AIN+
AIN-
8
82
82
V+
R644
22K
R646
22K
BIN-
BOUT
6
7
0.01
7
BIN+
5
10K
C639
4
V-
4
9
R645
10K
BIN+
5
R635
R640
R632
NF L
3
RL
4
GND
5
NF R
1
GND
2
0.01
C629
0.01
C633
0.01
C627
10u16
C630
+
C626
10u16
+
C643
0.01
+
10u16
C623
R639 10K
C628 0.01
1
82
82
22K
2
3
R638
AIN-
22K
R636
1
8
AOUT
V+
AIN+
AIN-
BIN-
BOUT
6
7
3
2
6
3
4
C632
0.01
V-
10K
R637
V-
BIN+
5
C624
0.01
C625
22u16
4
R631 10K
82
22K
R630
+
1
1
NF R
W252
VCC2
18
OUT3+
20
22
24
HSD
26
MUTE
PWGND4
27
25
OFFSETDET
OUT4+
OUT3-
24
22
20
ACGND
VCC1
VCC2
23
21
19
17
C257
0.47u50
0.47u50
C256
FL
RR
9
7
8
13
12
IN3
SGND
IN1
18
16
14
IN4
IN2
15
OUT1+
OUT1-
OUT2+
10
8
6
SVR
RIP
PWGND1
11
9
7
10
W251
OUT2-
OFFDET
4
2
PWGND1
PWGND2
5
3
1
TH250 470
61
52
W454
FR
RL
0.47u50
C255
C252
1
C254
0.47u50
0.47
C253
1u50
C251
1u50
C250
22u16
C258
47K
R254
49
10K
R471
40
75
R460
75
R466
75
R456
0.0
C4
75
R457
0.0
C4
IC450,451
13
19
18
17
Q300
13
11
BU
14V
SW5V
BU
5
V
+9V
-9V
0.01
C634
IC300
3
0.01
C322
4.7K
R918
4.7K
R919
7
47K
R302
17
C315 0.1
C314 0.1
C311 0.1
C308 0.1
19
20
21
18
13
14
12
16
15
17
6
7
11
9
8
10
2
1
3
4
5
DVD COMP
G
SYNC
REMO
R
S DATA
V GND
RESET
SYS ON
B
DVD L
NC
V GND
M REQ
M CLK
M DATA
S REQ
DVD R
SYS MUTE
V GND
DVD GND
X14 (MOTHER)
75
R455
R255 330
150K
R256
R257 2.2K
TAB2
3.6K
R259
10
R258
ACC
10K
R31
1K
R30
34
35
47u16
+
C310
10A
2.2K
R900
BU
5
V
+
+
+
+
+
9
11
15
13
3
1
1
5
7
16
14
12
10
4
8
6
2
2
X34-315x-xx (1/5)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299