Kenwood RXD-M66-H Service Manual page 11

F G
Q Q
3 7 6 3 1 5 1 5 0
CD MECHANISM ASS'Y
PICKUP ASS'Y
1
16 FO- CN21
15 TRK+
VC
14 TRK-
VCC
13 FD+
E
12 MON
VR1 (3.3K)
D
MON R2 11 VR
(5.6) A
10 LD
B
LD
C
9 LD GND
F
8 F
LD GND
VCC 7 B
LD
6 A
1/2VCC
5 C2
VR
4 C1
MON
3 E
E
2 2 VCC FCS+
TRK-
1 1/2 VCC
A
C TRK+
B
FCS-
F
CN23
LD
TRAVERSE UNIT
VCC
DISC
M
6 SPD+
VC
MOTOR
5 SPD- RF
SLED
M 4 SLD+
MOTOR A601
3 SLD-
2 GND
DIGITAL
3
SLT.SW 1 SLT.SW OUT
LOADING
MOTOR
CN22
OPEN/
DM+
CLOSE
DM-
SW
SLM+
SLM-
SW-GND
SLT-SW
5 4 3 2 1
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
+9.3V
CN73
PLL CLK 11 52
DO/ST 10 53
PLL DAT 9 54
TU OUT L 8
PLL CE 7 55
TU OUT R 6
DET OUT 5 5
R605 1K
VCC +9V 4 +9.3V 44
R603 1K
SD 3 56
46
TU MUTE 2 57
C631 4.5V
5
S LEVEL 1 4
5P
IC601
(BOTTOM
J601
VIEW)
R611
L
CCB
10K INTERFACE
AUDIO SEL./
AUX IN
E.VOLUME
R610
R
CONTROL
10K
CIRCUIT
LOGIC
CIRCUIT
P701 D706
D707
CONTROL
CIRCUIT
6
R604
4.5V
w w w
45
1K
C634
5P
.
+9.3V
7
H I
(X29-2842-71)
+4.9V
CD RF
IC21 (BOTTOM VIEW)
AMP
16
2.6V 32 1 0.2V
A PD
15 +4.9V 2.6V 31 2 3.8V
C LD
R201 2.7K
2.6V 30 3
14 28
+4.9V
B VCC
R203 1K 2.6V 29
4 2.5V
13 D
RFN
2.5V 28
R204 1K
28 F
12 2.1V
2.5V 27
R205 1K C211 5
27
E RFOUT
11
R202 1K R211 0.1
2.5V 26
10 31
TBAL 6
R206 2.7K 330K C212 RFIN
9 27
7
R212 0.1 2.4V 25 LDRCTL
8
30 FBAL
8 1.4V
100K C238
7
CAGC
R222 0.1 2.4V
2.3V 24
40
GCTL
43K
6
9
ARF
5 1 3.4V
R213 R214 2.5V 23
10
32 FEOUT
4 F+ CEA
1K 100
2.5V 11
3 T-
OUT3T
22
R216 R217
12 3.9V
2 T+ FEN
39K 100 2.5V 21 CBDO
LD
33 TEOUT
1 F- 13 0V
Q201 ON/
BDO
2.0V
OFF C253 2.5V
3300P
20
4.4V 3.8V 37 TEN
14 3.7V
COFTR
R227
2.5V 19
1
VREF
47K
R238
18 15 0V
SLPSW OFTR
1
17 16 0V
2
GND NRFDET
3
R228
4
220
3
IN
R630
2
VCC +4.7V +4.8V
10
1
GND
+5V
1 D+
C280
2 D-
100P C284
3 S+
47P
IC24 OPE AMP
4 S-
5
6 AOUT
1 8
V+ +9.1V
2 AIN-
C272
2.2u50 R272 R276 3 AIN+
+
2.2K 2.2K
BOUT 7 R281
47
BIN- 6
R271 C271
R275 2.2K 2.2u50
4 BIN+ 5
V-
+
2.2K
+9.3V
4.5V
C603
1u50
4.5V
4.5V 4.5V 4.5V
+
LVREF
RVREF
4.5V
C604
1u50
4.5V
+
x a o
y
i
J K
8
+4.9V
1
2 R255
6.8K
R223 C260 R280
3.6K 68P 1.8K
R224
3.6K
4.1V
20
C227
PMCK
C255
0.22
19
SMCK
0.022
C224 R261 18
29 RST
1K R237 17
0.047
37 STAT
2.5V
100
16
DMUTE
C228
15
22 SUBQ
0.039
C256
34
C229
33P D262
14
4700P
23 SQCK
39
R277
13
BLKCK
2.2K
12
35
TLOCK
C236 11
FLOCK
C254
10
220P
SENSE
36
100P
R263 9
21 MLD
38
1K
C258
220P
R264 8
36 MDATA
100
C257
220P
R265 7
38 MCLK
100 R266
6
TX
100
5
+4.8V
DVSS1
4
DVDD1
3
+5V SRDAT
2
LRCK
1
BCLK
C264
R287 15P
22
C262 C261
12P 12P
Q Q
3 7 6 3
R247
+4.8V
22
30
+4.9V
+5V
+9.3V
+9V
IC23 (BOTTOM VIEW)
4ch BTL
DRIVER
13 13 VO2+
STANDBY
D-
BAND-GAP
12 VO2-
D+ VCC/VREF
C281
11 VO1+
RESET CIRCUIT
S-
1200P
10 VO1-
4.5V S+
9 PVCC1
DIRECTION
+9V
DETECTOR
C299
470u16V 8 PGND1
+
7 NC2
6 NC1
RESET
DIRECTION
5 OUT
DETECTOR
DIRECTION
DETECTOR
4 PC1
2.5V 3 IN1
22 DIRECTION
0V 2 PC2
DETECTOR
23
2.5V 1 IN2
25
C282
PVCC/2
4.5V 1200P
u 1 6 3
.
13
L M
2 4
9 9 8
+4.8V
C251
2200P
C252
0.022
41
PLLF2
42
TOFS
43
WVEL
44 R232 C232
ARF
100K 0.022 C233
0.022
45 R233
IREF
46 R234 R235 56K
DRF
33K 1M
47
DSLF
C235 1200P
48 R236 C234
PLLF
330 0.1
IC22
49
(BOTTOM VIEW) VCOF +4.8V
50
AVDD2
DSP
51
AVSS2
52
EFM
53
C241
PCK
54 R241 0.33u50
VCOF2
+
55 2.7K
SUBC
56
SBCK
57
VSS
C244 C243
58
X1
1000P 15P
59 R242 C242
X2
4.8V 1K 15P
60 R245
VDD +4.8V
4.7
C246
Q203
1
COFTR
C263 C265 R249
CONT.
15P 100P 100K
1 5 1 5 0 8 9 2 4
+4.8V +4.8V
+5V +5V +5V
C249
3900P
+4.9V
+5V +5V
+9.3V
R299
+9V
2.2
2W
VO3- 14
T+
+5V AVR
PVCC/2
C290
VO3+ 15
T-
C204 27P
8P
IC25
VO4- 16
F-
R230
OUT IN
VO4+
17 2.2
F+ GND
PVCC2 18
+9V
PGND2 19
39
STBY 20 5.0V
CD MOTOR
28
DRIVER
IC26
NC3 21
NC4 22
SVCC 23
+9V
40
R268
VREF 24 2.5V 2.2
C269
24
10u50
IN4 25 2.5V +
28
IN3 26 2.5V
m 26
c o
27
24
N O
RXD-M66/LS-M66
2
9 9
R3 C3
2.2K 1u50
+
R5 Q1
2.2K
MUTE
0V
Q102
R6
Q2
2.2K
0V
R4 C4
2.2K 1u50 0V 0.6V
+
R58 4.7K
Rch
C54 0V
MUTE 47u25
A. MUTE Q101,102
ON : 2.4V
+
OFF : -7.8V 1st DIFF.
R45 R57
AMP
22K 4.7K
Q12
R43
+8.6V
1K
MUTE
ON : 4.9V
+4.9V
28.4V
MUTE ON : 0.1V
OFF : 5.0V
IC901
(BOTTOM VIEW)
4 5
GND SDA
3 6
A2 SCL
2 7
A1 WP
1 8
A0 VCC
C248
47P MEMORY IC
R240
9 8 2 9 9
10
5
IC801
+9.3V
(BOTTOM VIEW)
RDS
DEMODULATOR
X801
4.332MHz
∗
B
∗
A
IC50
R291
+9.3V
4.7
1W
R501
1.5K
D501
1/4W
+5V
RESE
IC
IC702
R270
3.9K RESET
C701
R705 1u50
+
1K
Q701
CN26
1 LO+
2 LO-
3 GND
4 OPEN
5 CLOSE
+9.3V
14
X29-2842-71 (1/2)