Schematic Diagram - Kenwood RXD-V252 Service Manual

AE AF
POWER SECTION
POWER
AMP
IC901
L-CH
ch1
35.7V -34.0V 36.5V
C901 C903
680P 15P
R901
56K
C910
100u50
+
R919 C911
100 1/4W 10u50
+B
+
Q901
C937
82P
R911
R933 C954
15K
68K 3300u50 3300u50
C907 +
0.022
R935
100K
+5V +5V
-12.8V 1.8K 1/2W
15V
+12V +12V
+10V
C820
220u25
12.2V
+12V
AVR
21.3V
Q813
+B
R814
13.0V
560 1/4W
+10V
R139
220 10.0V C817 AVR
100P
1/4W
PLAY : 0V IC812
10.0V
REC : 4.7V
21.3V
+10V OUT IN
PLAY : 9.9V
GND
REC : 9.2V
Q112
PLAY : 9.9V
REC : 0V
Q113
IC811
5.0V
OUT IN
GND D806
BIAS
+5V
AVR
C809 220u50
REC : 6.0V
+5.6V
Q114
IC852 AVR
5.7V
BIAS OUT IN +B
OSC
GND 9.8V
C836
C140
2200P
8200P
R833
47K
3.8V
AG AH
R-CH
ch2
-36.4V -35.4V
C904 C902
15P 680P
R902
56K
C909
100u50
+
C912 R918 SP. DET.
10u50 100 1/4W
+
R913
Q904
D901 D903
56K
C938
R908
R914
C955
56K 82P
0.1 1W
+
C908
R934
Q903
0.022
68K
R912
15K
D902
Q902
R936
100K
SP.RLY
ON : 4.4V
17
R816
+
BI901 CNP901
36.5V V+
+B 1 1
-36.4V V-
FH802
B 2 2
D809
GND
FH804
3 3
10.7V P IN
4 4
D803 D802 FH806
21.3V REG+B
+B 5 5
C808
D805 D804
220u50 10.7V
6 6
+
FH807
REG GND
7 7
CD : 10.1V
TUNER : 10.7V
DECK : 10.6V CD+B
+B 8 8
D807
R807
12K -22.8V
9 9
+
-VP
C813
D808
B 10 10 B
100u35
B
+ 11 11
C810 220u50
5.7V UNSW+5V
+ 12 12 +5.6V
2.2V P IN
ZD801
R804 1K
13 13
C811 C812
1 2 3 4
47u50 47u50
CNP905
+ +
Q801
R806 10
B
-28.7V
-30V
AVR
+5.6V
AI AJ
L921
SO901
0.29uH
Lch
GND
SP
6 ohm
SP.RELAY
GND
RL951
L920
0.29uH
Rch
C934 R927
1000P 68
D951
C933 R926
1000P 68
CNP902 CNS902
R982
5.0V 4.7
+B 2 2
Q951
SP.
RELAY
1 1
DRIVER Q951 D971
R971
Q971 M901
1K
FAN
MOTOR
+5V
FW951A
12.2V
+12V 1
2
E-7
3
4
5
T801
F801
T4.0A L 250V
FH801
F802
T4.0A L 250V
SO801
230-240V
FH803
F803 220V
T2.0A L 250V
127V
110V
FH805
F804
T2.0A L 250V
FH808
AC801
TF801
150 C
5 6
AU-2
AK AL
IC101 : AN7345K
4 5
IC301 : TA7358AP
IC302 : LC72131
IC303 : LA1832S
IC401 : LC75341
IC811 : KIA7805API
IC812 : KIA7810AP
IC852 : AN78L05T
IC901 : STK40270N
Q101,360 : KTA1266GR
Q102,103,113 : KRC104M
Q104-107 : 2SC1845F
Q108-111,401,402,603,
604,901-904 : KTC3199GR
Q112 : 2SA1015GR
Q114,971 : KTC3203Y
Q302 : KTC3194Y
Q801 : KTA1274Y
Q813 : KTC2026
Q951 : KRC107M
D301-305 : 1SS133
D802-808 : 1N4004S
D809 : TS6B04GM
D831,833,851,901-903,
951,971 : 1SS133
ZD351 : DZ5R1BSB
ZD801 : DZ300BSB
ZD802 : DZ6R2BSA
ZD803 : DZ110BSB
ZD810 : DZ2R4BSB
M
BI2
HSS ACK
HSS STB
HSS DI
HSS DO
R-2
MPEG PWR
DSA DATA
DSA STB
DSA ACK
CNS702
PLAY SW2 PLAY SWB
1 1
GND GND
M
2 2
END SW2 T2 RUN
3 3
PLAY : 12.1V
MTR + T MOTOR
4 4
MOTOR
DRIVER
SOL2 T SOL B 0V
5 5
SOL.
DRIVER
SOL1 T SOL A 0V
6 6
F-REC FPA
7 7
END SW1 T1 RUN
8 8
R-REC FPB
9 9
PLAY SW1 PLAY SWA
10 10
TAPE MECHA.
ASSEMBLY
AM AN
DISPLAY SECTION
B
FL701
C702
33u50
+
R784
33
4.9V
C712
100u35
B
+
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
D700
P20
D701
P21
1 27
22
2 3
R745 1K
3 26
66
4 62 R744 1K
65
5 66 R743 1K
64
6 65
R742 1K
63
7 64
R787 1K
8 63 62
KARAOKE
ONLY
Q712
Q709
R786
560
R741 1K
57
R771 10K
R740
1K
56
R766 10K
R739
1K
55
R767 10K
R738
1K
54
R768 10K
R737
1K
53
54 R769 10K
R736
1K
52
R770 10K
R735
51
1K
Q703
51
R756 10K
11.4V
44
Q704
12.1V
42 50
R752
Q705
10K
12.1V
43
55
50
5.1V
56
53 12.2V
+12V