Kenwood RXD-790 Service Manual page 26

P
CD CHANGER MECHA. :CDM-27
1
(D40-1542-X5)
PICKUP ASS'Y:T25-0050-05
E
A
C
B
F
1/2VCC
VCC
2
GND
SHORT LAND
LD
MON VR1 1K
FOCUS
COIL
FO-
TRAKING
COIL
+
3
+
SL SW
LD SW
UNLD SW
4
UP/DOWN SW
ST SW
PS SW
5 IC1 : CXA1782BQ 1 X
IC2 : CXD2509Q
IC3 : LA6537
IC4 : LB1648
IC5 : NJU3711D
IC6 : TC74HC166AP
D1-5,7-9,17,18
: 1SS133 or HSS104
D10,11 : S5688B or 1SR139-400
D14,15 : RD5.6ES(B2) or HZS5.6N(B2)
Q1 : 2SC2785(F,E) or 2SC1740S(Q,R)
Q2 : 2SA954(L,K)
Q3,4,11 : DTA124ESA or UN4112
Q5 : 2SA1286-T11
Q7,8 : 2SA1175(F,E) or 2SA933AS(Q,R)
Q9,10 : 2SC2878(B)
6
7
Q
16 1/2VCC
15 VCC
E
14
13 C1
12 A
11 B
10 C2
9 F
8 LD GND
7 LD
6 VR
5 MON
4 FC+
3 TC+
2 TC-
1 FC-
CN3
D.M
1 DM(-)
2 DM(+)
SLM
3 SLM(-)
L
4 SLM(+)
5 SLT SW
6 SW-GND
CN4
1 SW-GND
2 LOAD SW
3 SW-GND
M
4 UNLOAD
+
L.M
5 M-GND
6 LOADM
CN5
1 DOWN SW
2 SW-GND N
3 UP SW
CN6
1 SW-GND
2 ST-SW
3 SW-GND
4 PS SW P
+
R.M
5 M-GND
6 ROTAM
SIGNAL LINE
GND LINE
R
(X32-3270-20)
CN1
FC- 16 26
TC- 15 6
TC+ 14 5
FC+ 13 4
MON 12
VR 11
LD 10
GND 9
D1
F
8
R2 47K
C2 7
R3 47K
B 6
R4 47K
A
5
R5 47K
C1 4
E 3 C75
0.01
VCC 2
1/2VCC 1
CN2
RF 1
FE1 2 2
FE2 3 3
VC 4
TE2 5 5
TE1 6 6
S.S 7
R1
1K
E3
E4
FE
BAL
S
0V
C42
0.01
3.6V
R87
10K
BUFFER1
BUFFER2
R91
10K
5.0V
R100
100K
R95 10K
5.2V
2
3
C5
100u
10
R12
+ 12K
C2
4700P
2.6V
R11
330K C4 0.47u50
+
C3 47P
2.6V
R10 47K
VR3
TE-BAL
T-GAIN
R23
56K VR2 47K
R6 100K R47
R45
2.8V 9.1K
4.7K
Q4
C6
Q1
R15 0.022
5.2V
20K R44 1M
0.6V
2.0V
Q4
LD
DRIVE
FE BIAS
CONT.
T
R85
13K
3.7V
AMP4
-
+
+
-
+
+
-
-
AMP5
3.6V
R98 130K
R14
100
2.6V
48
VC
47
TDFCT
46
TZC
45
ATSC
2.5V
44
TEI
43
LPFI
42
TEO
2.6V
41
VEE
40
2.6V
E1
39
E
38
F
37
FE.
BIAS
2.7V
4.0V
Q3
Q2
LD
CONT.
+
5.2V C28
1.0V
56P