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Kenwood MDX-G3 Service Manual page 20

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AY
AZ
Q Q
(X09- ) (C/7)
3 7 6 3 1 5 1 5 0
CN54
FIL A
21
21
D448
FIL B
20
20
D447
PROT.
19
F.OFF
18
18
C452
PLL CE
17
17
C451
PLL DO
16
16
0.01
PLL CLK
15
15
PLL DT
14
14
D446
SD
13
13
STEREO
12
12
POWER
11
11
C450
AMP ON/OFF
10
0.01
P2
3
CD ON/OFF
9
D432
1
D422
MUTE
8
13
TU.L
7
12
TU.R
6
6
TU.GND
5
5
C23
R421
NC
4
0.22u50
12K
VOL.L
3
R423
2.2K
VOL.GND
2
R424
2.2K
C24
R422
0.22u50
12K
VOL.R
1
Q405
D428
CN52
5.7V
T6
10
12
T5
9
13
T8
8
6
T9
7
5
T7
6
9.0V
+9V
5
+9V
T2
4
16
ON:
5.7V
11.8V
T3
3
15
T E
L
T4
2
1 3 9 4 2 2 9 6 5 1 3
14
T1
1
17
E401
(X09- ) (B/7)
CN51
MD GND
15
15
ON:5.1V
MD +V
14
14
+B
9V
13
13
13
9V
12
12
12
D426
HELP
11
11
u GND
10
10
D425
u 5V
9
9
+5V
FIL
D424
8
8
8
FIL
7
7
7
D423
F-OFF
6
6
POWER
5
5
FIL 5V
4
4
+5V
+5V
-35V
3
3
35V
35V
AMP
2
2
2
AMP
1
1
1
IC51
4
STBY:5.1V
NC
CE
ON:5.1V
IN
5
OUT
GND
w w w
+5.1V AVR
D412
.
D406
BA
BB
IC52
CD 9V
MD 5V
DRIVE
DRIVE
DRIVE
OUTPUT
OUTPUT
OUTPUT
ON/OFF
START
ON/OFF
START
ON/OFF
0.01
PROTECT
PROTECT
REPERENCE
REPERENCE
19.8V
+20V
+20V
C425
CD : 9.1V
1000P
+9V
D434
D436
11.8V
D435
C431
6.5V
1u100
+
MUTE
Q411
Q412
C432
1u100
+
+12V
+12V
C427
1000P
Q406
MUTE
CONT.
11.8V
ON:6.5V
ON:-3.2V
R416
Q406
+5V AVR
MUTE:1.6V
1K
IC54
5
10.4V
+B
4
ON:
+5V
C428
3.9V
3
22u50
+5V
ON:5.0V
2
+
C449
1000u6.3
1
-33.1V
R435
+
ON:5.0V
47K
+9V
+5V
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN53
C409 2200P
R407
Q403
D409
D408
4.7
1/4W
R409
1K
ON:-33.1V
35V
13
12
1
2
8
7
K401
STBY:6.8V
ON:5.8V
D407
3
D445
2
+B
+B
1
Q401
D444
POWER
D443
RELAY
WH56
CONT.
D442
T401
J401
D402
x
a o
y
D403
R402
Q402
1M
D405
D404
i
WH55
BC
BD
8
IC53
TAPE 9V
INPUT
PRE DRIVE
OOUTPUT
AMP
AMP
AMP
START
REF
PROTECTOR
AMP
PROTECT
REPERENCE
INPUT
PRE DRIVE
OOUTPUT
AMP
AMP
AMP
POP SOUND
STANDBY
PREVENTION
RIPPLE
SW
BLOCK
FILTER
+9V
ON:9.0V
R432 220
D421
17.8V
R431 220
1G
2G
3G
4G
5G
6G-16G
1-1
1-2
P1
PGM
TRACK
TOTAL
STEREO
1-1
P2
S1
NO.
AUTO
1-2
P3
S2
TUNED
PTY
S1
1-3
2-1
2-2
P4
FM
1a
1a
A.P.S.
S2
1-4
P5
AM
1b
1b
kHz
S3
1-5
3-1
3-2
P6
PM
1c
1c
VCO
S4
2-1
P7
S3
1d
1d
P.B.C.
LP
2-2
4-1
4-2
P8
ONE
1e
1e
PROG.
2
2-3
P9
S4
1f
1f
1
4
2-4
Q
Q
5-1
5-2
3
7
6
3
P10
REPEAT
1g
1g
2
2-5
P11
S5
2a
2a
MHz
O.T.E.
3-1
6-2
6-1
P12
RANDOM
2b
2b
TAPE
MD.EDIT
3-2
P13
S6
2c
2c
EQ.
3-3
P14
S7
2d
2d
O.T.T.
HIGH.
3-4
7-1
7-2
P15
LOUD
2e
2e
SLEEP
SPEED
3-5
P16
2f
2f
MONO
4-1
P17
2g
2g
BEST HITS
4-2
P18
3a
3a
4-3
P19
EX.BASS
3b
3b
4-4
P20
3c
3c
4-5
P21
3d
3d
5-1
P22
3e
3e
5-2
P23
3f
3f
5-3
P24
3g
3g
5-4
P25
4a
4a
5-5
P26
4b
4b
6-1
P27
4c
4c
6-2
P28
4d
4d
6-3
P29
4e
4e
6-4
P30
4f
4f
6-5
P31
4g
4g
7-1
P32
col
7-2
P33
Dp
7-3
P34
7-4
P35
7-5
4a
3a
2a
1a
1f
1b
1g
1e
1c
1d
u 1 6 3
(2G,3G)
.
BE
BF
(X09- ) (G/7)
2
4
9
9
8
ED501
POWER AMP
1G
S2
S1
S3
S4
S5
WH52
4
S6
S7
SP (L)
3
2
SP (R)
1
6G
HEADPHONES
J402
1-3
1-4
1-5
2-3
2-4
2-5
3-5
3-3
3-4
4-3
4-4
4-5
5-3
5-4
5-5
1
5
1
5
0
8
9
2
4
6-5
6-3
6-4
7-3
7-4
7-5
(6G-16G)
CN502
KEY1
1
8
KEY2
2
7
STANDBY
3
6
TIMER
4
5
LED +5V
5
+5V
ENC1
6
4
ENC2
7
3
GND
8
(X09- ) (F/7)
WH501
KEY1
1
2
KEY2
STANDBY
LED
D511
R516 620
STANDBY
3
D510
R515 22
TIMER
4
TIMER
LED
LED +5V
5
+5V
ENC1
6
ENC2
7
GND
8
m
c o
BG
BH
2
9
9
2G
3G
4a
3a
2a
1a
4a
3a
2a
col
Dp
7G
8G
9G
10G
11G
B
+5V
+5V
63
64
61
62
60
Q501,502
FL GRID
DRIVER
Q503
Q502
Q501
9
8
2
9
9
IC61
(BOTTOM VIEW)
FL DRIVER
+5V
+5V
R501 1.1K
R502 1.2K
R503 2.2K
S501
S502
S503
BEST
TAPE
MD REC
HIT REC
REC
S517
R508 1.1K
R509 1.2K
R510 2.2K
S509
S510
S511
VOLUME
/MULTI
POWER
SOUND
AUX
-CONTROL

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