Kenwood RXD-302 Service Manual page 15

AE AF AG
MAIN PCB
+B +B +B
C450
R452 330 47u16
+B
1/4W +
IC402
0V 9.7V
(2/2) 0V
5 8 C453 R451 R437
7 2.2u50 2.2K 1K
6
+
4
0V
R453
-10,8V
B B
330
1/4W
+ R436
-12.1V
1K
POWER AMP
IC501
THERMAL
ON:2.2V -30.8V
SENSOR
OFF:-3.7V 470u25
SUB.
Q408,409
SYSTEM
SYSTEM
MUTING P10 0V 0V
MUTING
CONTROL 0V
C455 -32.0V
Q409
Q407 R495 R447 0.47u50 R508
1K 3.3K
+ 100
+ B
C457 1/2W
0.1
+ +
0V 0V 32.3V
+B +B
+
PRE AMP C454
Q408 0.47u50
0V IC402
+
0V
(1/2)
0V R511 0.22
3 C452 R450
R505
1 2.2u50 2.2K
56K 2W
2
+
0V
C505
C515
0V 4.7P
0.022
0V
Q501
Q501-503
DETECTOR
R512 0.22
R506
56K 2W
C506
C516
4.7P 0.022 0V
0V
+ + 33.5V
Q502
33.5V
R515
2.2K Q503
0V
C518 1u50 R517
22K
+
R516 12K
Q704
+B +B
8.1V
7.5V
Q710
8.8V
D706
+
+
C713
820P
0V
D404
+B +B
Q705
+B +B +B
12.0V Q705
10.9V
F1
+12V
+ 11.7V + SWITCHED
+
F2
C748
0.01
-46.2V R712
-33.0V
220 C750
D714
L700 Q708 1W 47u100
-35V
470uH +
+
-33.6V
+
Q708 +
-35V
AVR
AH AI AJ
R600B C686
330 47u16
+
1/4W
SUB-WOOFER
IC602
PRE AMP
(2/2)
C681 JK601
10u50 5 8 C683 R687 R689
7 10u50 1.5K 470
+
6
+
SUPER WOOFER
R683
4
PRE OUT
10K
C687
0.1
R600A C685
330 47u16
B
+
1/4W
IC602
(1/2)
C682
10u50 3 C684 R688
1 10u50 1.5K
+
2
+
R684
10K
D
ON:4.1V
OFF:-3.7V
C753
0.1
MUTING
D716 12.0V 11.3V
CN501 CN501
R526
22 1/4W
C752
+B +B 1 1 +B
HEADPHONES
R529 330 1W
2 2
2
P13
R527 Q505
3.3K
3
4
3 3
R528
5
3.3K
B
6
R530 Q506 C524
330 1W 1000P
1
4 4
JK502
5 5
R525
4.7
1/2W
PL501 JK501
L501
1uH
1 3
R524 C521
L
4.7 2 4 1000P
SPEAKERS
1/2W
(6-16 )
L502 5 6
1uH
C522
R
1000P
SP.
RELAY
R522
100K
D504
ON:0.8V STANDBY:12.0V
POWER ON:0V
R531
3.3K
Q504
(K,P) : AC120V 60Hz
+
SP.RELAY SEE REMARK
ON/OFF F702
3A 250V
PN1 AC1
AC2
PN6
PN3
T3P5
PN8
PN7
CN702
8 AC8
PN9
AC5.5V
7 AC7
F701
6 AC6
12.0V 1.6AL 250V
Q704
+7.5V
AVR
+
D709
POWER TRANSFORMER
+ E
CN702
+12V
TF
AVR PN1
AC8 8
22.0V
C723 C724
Q706 AC7 7
4700P 4700P
+B
AC6 6
Q707
12.7V + AC5 5
AC17.6V
5 AC5
AC4 4
13.3V
P11
+
PN5
AC3 3
R710F GND 2
10 AC49.6V PN9
4 AC4 GND 1
1/2W
D710
-33.5V
C727
33.5V 0.01
3 AC3
2 GND
C730 C729 C728
33.5V 3300u50 3300u50 0.01
+B 1
+ +
-33.5V
B
P12
AK AL AM
UCON
D601
+B
5.5V 4.7V
4.7V
L602 R604
D602 47uH 47K
5.5V
+B +B +B
+ +
CN602
10 +B
K3 9
K2 8
K1 7
C605
100u16
VR+ 6 30
VR- 5 31
LED STANBY 4 52
LED TIMER 3 53
JOGA 2 83
JOGB 1 84
R629 1K
5
4
R628 1K
3
R630 1K
1
100
2589MUT
99
2589LOCK
98
98 55004-REST
5.5V
97
97 55004-CS
96
O
95
EX-BASS
94
LINE-OUT-MUT
93
TU-MUT
MUTE 92
ON:4.6V SYS-MUT
OFF:0V 91
POWER-SW
90
+B VDD2
89
4.7V
VSS2
88
88 TDA7439-SCL
87
R631 87 TDA7439-SDA
10K
86
R627 86 FM-STEREO-IN
10K
85
CXD2589-FOK
84
84 JOG-B
83
83 JOG-A
82
VSS
81
MODESW4
CN601
REMOTE IN 10
DO 9 3
CLK 8 5 R635
10K
CS 7 97
REST 6 98
5V 5 +B
4.7V
GND 4
-35V 3 35V 35V
F1 2
F2 1
5.5V
+B +B
AN AO AP
+B +B +B
+
4.7V
+ +
RESET
4.7V
Q601
R603 C608
1K 1u50 Q602
0V
+
C606
0V
0.1
0V
4.7V
+B
+B +B
R610 10K
R609 10K
R608 10K
C600R
470u16
4.0V
R643 R622
4.7V
1.5K 680
X601
6MHz
0V
2.3V
31
VR-
32
PIC-UP
33
PIC-DOWN
34
DISK-COUNT
35
TURNTABLE-SW
36
TRAY-OPEN
37
TRAY-CLOSE
IC601
38 R623
T.T/U.D-MOTOR+ 38
u-COM 39 10K
T.T/U.D-MOTOR- 39
(BOTTOM VIEW) 40
TRAY-MOTOR+ 40
41
TRAY-MOTOR- 41
R624
D605
42 10K
T/T-MOTOR-SPEED
43
CD-VDD-MUT 43
44
O
45
O
46
O
47
O
48
O
49
O
50
O
ON:0.5V
REC:0V
OFF:4.7V
PLAY:0.7V
REC:4.7V
A:4.6V
B:0V
REC:4.3V
+B
PLAY:0V
4.7V
ON:4.4V
35V
R641 2.2K
R640 2.2K
4.7V
R639 2.2K
R638 100K
R637 100K
AQ AR AS
FRONT
-CN602
4/4
D
FRONT
-CN601
4/4
E
SYSTEM
MUTING
4.7V
Q603
0V
+
+
23
IC601 : LC867240A-5L36
Q601,602 : 2SC945P
Q603 : 2SA733P
D601,602 : 1N4002L
D603-605 : 1SS133
CN05
24 GND
38 23 T.T+
41 22 TRAY-
40 21 T.T-
39 20 TRAY-
43 19 CD CONTROL
18 SCOR
85 17 FOX
2 16 XRST
99 15 LOCK
100 14 MUTE
6 13 DATA
7 12 SQSO
8 11 SQCK
9 10 XLAT
9
11 8 SENS1
14 7 SENS2
6 PIC UP
5 DOWN
4 DISC COUNT
3 TURNTABLE
2 OPEN
1 CLOSE
RXD-A31(3/4)
RXD-302/A31
Y39-3250-11