Kenwood RXD-501 Service Manual page 22

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1
CD CHANGER MECHA. :CDM-27
(D40-1582-X5)
(D40-1589-X5) (RXD-A5/A8)
PICKUP ASS'Y:T25-0050-05
2
E
A
C
B
F
1/2VCC
VCC
3
GND
SHORT LAND
LD
MON VR1 1K
FOCUS
COIL
FO
4
TRAKING
COIL
+
D.M
+
SLM
SL SW
5
+
M3
SW1
SW2
SW5
6
+
M4
SW3
SW4
7
C D
CD MECHANISM
(X32-359X-XX) 0-10: (K,P) TYPE 2-71: EXCEPT (K,P) TYPE
CN7
RF 1
FE1 2
FE2 3
VC 4
TE2 5
TE1 6
S. S 7
+5V
2.5V
CN1
R1
220K 2.5V
1 1/2VCC 1/2VCC 1
2.5V
2 VCC VCC 2 +5V
E
3 E 3
R2 68K 2.5V
C1
4 C1 4
R3 68K 2.5V
5 A A 5
R4 68K
0.2V
6 B B 6
R5 68K
LD
7 C2 C2 7
ON:3.7V
R6 220K
OFF:4.9V
8 F F 8
9 LD GND LD GND 9
ON:2.0V
OFF:0V Q1
10 LD LD 10 L1
D1 10uH
11 VR VR 11
12 MON MON 12
13 FC+ FC+ 13 ) 13 (
14 )
TR- TR- 14 14 (
15 TR+ TR+ 15 ) 15 (
16 FC- FC- 16 ) 12 (
CN3 CN2
1 DM(-) DM+ 1 ) 17 (
2 DM(+) DM- 2 ) 18 (
D
3 SLM(-) SLM+ 3 ) 19 (
4 SLM(+) SLM- 4 ) 20 (
5 SLT SW SLT SW 5
6 SW-GND SW GND 6
THERMAL
CN4
CN3
SHUTDOWN
1 LOADM(+) LOADM(+) 1 ) 1 (
)
2 LOADM(-) LOADM(-) 2 2 (
LEVEL
SHIFT
3 UNLO SW UNLO SW 3 ) M5 (
4 UNLO SW UNLO SW 4
)
5 LOAD SW LOAD SW 5 M2 (
6 LOAD SW LOAD SW 6 D D
CN4
CN5
3 TDN SW TDN SW 1 ) M4 (
2 COM COM 2
1 TUP SW TUP SW 3 ) M3
(
CN6
CN5
1 ROTM(+) ROTM(+) 1 ) 3 (
IC3
4ch BTL
2 ROTM(-) ROTM(-) 2 ) 4 (
DRIVER
3 ADRS SW ADRS SW 3 ) M1
(
4 ADRS SW ADRS SW 4
)
5 STOP SW STOP SW 5 M2 (
6 STOP SW STOP SW 6
E F
+5V
5.0V
IC1
RF AMP
(BOTTOM VIEW)
10 11
NC NC R8 R9
15K 27K
9 12 1.9V
VC EO
8 13 2.2V
VR EI
7 14 2.4V
E TE
6 15 FE
F FEBIAS
BIAS
5 16 2.6V
VEE FE
4 17 3.4V
PD2 RFO
R12 R13
3
10K 1.5K
18 2.5V
PD1
FRI
2 19
PD LDON
1 20
LD VCC
C3
100u10
+
+
R7
R17
+5V +5V
220
10
LD +
ON:0V
4.4V
DRIVER OFF:5.4V
+B
C20 100P
9.0V R57 R56 120K
820K
C19 100P
R55 220K
4.6V 4.6V
D D D
POWVCC
R R F
INTER-
FACE
REGULATOR
F
T.S.D
R R
MONITOR
INTER-
FACE
VREF
F
POWVCC
F
INTER-
- +
FACE
MUTE
R R F
- +
PREVCC
D D
POWVCC
9.0V
9.0V
+B
+B
D2
R60
100K
C22
0.033
C30 R63
4.7K
0.22
R61
470K
G H
+5V
C5
0.47
R42
15K C18
IC2
220P
DSP
+5V
2.4V 40 SE
2.6V 39 FE
OPAMP
ANALOG SW
2.5V 38 VC
37 XTSL
+
36
TES1
35
TEST
34
PWM GENERATOR
VSS
33 PRDR
( 33 )
FOCUS PWM
32 FFDR
GENERATOR
( 32 )
31 TRDR
( )
31
TRACKING PWM
30 TFDR
GENERATOR
( 30 )
29 SRDR
( 29 )
SLED PWM
28 SFDR
GENERATOR
( )
28
27 SSTP
SERVO
INTERFACE
26 MDP
( 26 )
25 LOCK
24 FOK
23 DFCT
22 MIRR
21 COUT
F
5.0V
+5V
+
+B
I J
+5V
R23 1M
R21 C6
33K 0.01
C8
1500P
2.5V
SERVO
BLOCK
ASYMMETRY
CORRECTOR
A/D
CONVERTER
CLOCK
GENERATOR
SERVO DSP
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
MIRR
DFCT
FOK
Q7
+5V
Q8
TRAY OPEN
:5.3V