Kenwood DPX-6020 Service Manual page 19

K L
Q Q
3 7 6 3 1 5 1 5 0
(X14-6770-XX)
1
REQ C R66 100
DATA C R67 100
CLK R70 100
DATA H R68 100
Lch R69 4.7
R64 1K
RST
13
R65 4.7
Rch
9 10 11 12
5 6 7 8
A GND R63
4.7
1 2 3 4
R62
MUTE 1K
J2
R61
C266
1K
2
1000P
R60
REQ H
100
DC CORD
(E30-4886-05)
PME(PANEL MECHA.)
(D40-1131-35)
CN1
+14.4V
1 REFCON PMOTOR- 1
PMOTOR+
2
2 GND
VR1
OPEN SW 3 39
Q36
3 P MODE
10K(B)
GND 4
PANEL MECHA DRIVE
VOLTAGE CONTROL SW
PM DET 5 38
4 GND
3
S1 GND 6
5 PM DET
P MODE 7 95
6 GND
GND 8
7 OPEN SW
REF CON 9 37 40
8 PMOTOR+
M
9 PMOTOR-
M1 C265
1000P
CN3
D OUT 1
SW2 2 54
SW1 3 53
CLK 4
IC3
DATA 5
T E POWER
L 1 3 9 4 2 2 9 6 5 1 3
NC 6
SUPPLY
L10
CD MECHA NC 7
10uH
(X92-4100-01)
VDD 8 +5V
4
D GND 9
IC3
AMUTE R 10
AMUTE L 11 52
F CAP
MRST 12 51
1.25V
MSTOP 13 50
A8V 14 +8V
Lch 15 CDL
V2FEED
AGND 16
1.25V
Rch 17 CDR
LO/EJ 18 49 1.25V
MOTOR 19 48
SERVO 7.5V 20 +7.5V V1FEED
SERVO GND 21
STCAP
SW3 22 47
BU 5V
1.25V
VMEM
5
FEED
AUD 8V
8.0V
DSP 3V
CN2
3.0V
Rch 24 TPR
AGND 23 PGND
Lch 22 TPL
A8V 21 +8V
14.4V
DOLBY 20 55
14.4V
MTL 19 56
F/R 18 57
P CON
MUSIC 17 58
SGND
CASSETE MECHA MSC 16 59
(D40-1132-25)
EQ MUTE 15 60
PACK DET 14 68
MODE1 13 69
6
MODE2 12 70
MODE3 11 71
FREEL 10 91
RREEL 9 92
DGND 8
PON5V 7 +5V
SMT1 6 72
w w w
SMT2 5 73
MMT 4 74
GND 3
SRV+B 2 +7.5V
B.U 1 +14.4V
7
M N
16 15 14 13 12
8 7 6 5 4
+8V
D31 D32 D33
C87
0.47u50
CHL
C86 47u6.3
CHG
C85 0.47u50
CHR
+8V
Q37,38
CH CONTROL
Q37 Q38
SW POWER
47K 47K ANTENNA
4
SW
Q9
D30 D9
47K 47K
3
21
Q10
POWER ANTENNA
20 22
CONTROL SW
6
7
D7
5
RST
MUTE Q11
86
D29 D26 D27 D28
+14.4V
EXTERNAL AMP
CONTROL SW
IC17
1
C53 25
Q6
0.1 7.2V 2
24
CD1
OUT1
3 23
D15
26
7.2V 4
22
VR
0/5.0V
Q36 5
21
84
47K Q5
6
20
35 IN1
GND
47K
47K
D21 47K
7
GND
Q3
27
8
36 IN2 19
GND
9
14.4V 18
7.2V 10 17
+16V VCC1
ACC
16
R40 11
DETECT
VCC2
15
12
4.7 1W SW
OUT2
14
7.2V 13
CD2 R2
Q2
19 22K
PANEL MECHA
MOTOR DRIVER
+5V
+8V +8V B.U
Q1
C9 100P DETECT
SW
15 C12 10u16
+
R19 5.49K
+14.4V
C11 0.047
R20
+5V
14 10K R21 1K
+16V
R17 3.57K
C10 0.047
13 R22 2.2K
C13
14.4V 470u16
12
Q49
+
11 5.0V
+5V
R196
R24
12.4K
10 39K
R195
9 Q48
22K
+8V
22K
3
8 0V
TAB
22K
7 D39
+3V
6 0V
Q49
5
VS +14.4V +14.4V TEST MODE
CONTROL
D10
SW
Q48
4
POWER IC
CONTROL
3 0V
5V R43
SW
8.2K
2 0V
EN2
+5V
1 C22
EN1
Q12
10K
1 P ON 5V
POWER
2.2K
5V IC12
SW
0V
D11
PWR
Q13
IC
22K
24
22K
C23
+5V
0.1
+5V +5V +5V
+3V +3V
+8V x a o +8V
+7.5V +7.5V
+14.4V
. i
O P
F1
J1
11 10 9
3 2 1 10A
C2 0.01
C1 4700u16
D1
+11V
+34V
LED POWER
REGULATOR
Q24
+14.4V +11V
22K
Q23
22K Q25
R31
Q22
470
22K
9
22K
Q22,23
LED POWER
CONTROL SW
DC/DC POWER
REGULATOR
Q28
+14.4V +16V
11 Q29
Q27 10K
Q26 10K R34
1K
10K
P CON
DETECT 10K
SW
Q26,27
DC/DC POWER
CONTROL SW
R9
1K
A1
10 L1
22uH
8
VIN +B
7
NC
6
ILLUME GND
DETECT
5
VO1
SW
4
NC
R7
3
14
FAC
10K
2
C38
C/T
0.01 1
FAC
R5
22K D4
13
D5
SERVO POWER
REGULATOR
Q16
R1
D2 +14.4V Q Q
18K
3 7
Q15
10K
47K Q14
10K Q17
R25
470
D3 10K
47K
10K
B.U SURGE
DETECT SW
Q14,15
SERVO POWER
CONTROL SW
+5V
+16V
POWER IC SVR
CONTROL SW
R199
270
Q50
C233
100u10
+
+14.4V
0V
7.2V
+5V
+5V
+3V
u 1 6 3 +8V
y
+7.5V
Q R
2 4
8 9 9
+5V
C255 C256
0.01 4700P
R316
100K
5V R308
5V
0V
160K 5V
C257
0V
100P
5V
0V
CP6
470
0V
100
1
1 DSP RVDT
5V
0V
R247 470 2
2 DSP CLK
R213 100 3
3 CHCON1
R248 4.7K 4
4 CHCON2
R210 100 5
5 DATAH
CP3
100
6
6 DATAC
7
0V
7 CHCLK
8
R238
BYTE
R323 9
100K
CNVSS
1K
R211 10K R214 10
DSP REDY 5V
470
0V
10
R212 11
11 DSP RST 5V
2.2K
12
12 RESET
C243 R218 13
XOUT
20P 1K 14
X2
VSS
0V
10MHz
C244 15
XIN 10MHz
6 20P 3 1 5 1 5 0 8 9
16
+5V +5V VCC
IC1
R326 1K
17 5V
NMI
SYSTEM u-COM
R220 1K
18
18 SP INT
19
R221
R219 100K 2.2K
19
BU DET
R222
20
20 REQC
100
R246
100 21
21 REQH
R224 2.2K 22
22 PANT
R227 1K 23
23 PCON
R226 2.2K 24
24 PON
R251 4.7K 25
25 LAMP
26
26 AMP CTRL
R228 27
27 ACC DET
2.2K
R229 4.7K
28
28 BUZZ
29
SCL SCL
30
SDA SDA
R233 2.2K
CP5
100
R234 3.3K
5V
0V
C246
0.022
5V
5.0V
0V
CP13
2.2K
0V IC15
E2PROM
0V
R313
100K
+5V
m
+5V
+3V
+8V c o
+5V
.
S T
2
8 9 9
UNIT
DESTINATION R276 R277
No.
K 0-11 YES NO
M 0-20 NO YES
+11V
+34V
+5V +5V
CP4 CP14
4.7K 1K
5V
0V
CP9
1K
80
PLL REQ 80
79
FMSD 79
78
PLL CE 78
77
PLL DATA 77
R264
76 1K
PLL CLK 76
75
74 R265 4.7K
TA MOTOR 74
73
TA SMOTOR2 73
72
TA SMOTOR1 72
CP10
4.7K
71 R268 2.2K
TA MODE3 71
R270 2.2K
70
TA MODE2 70
R272 2.2K
69
TA MODE1 69
R274
68
PACK DET 68
2.2K
C261 R284
0.01 470
5V
0V R269 100K
C260 R283
0.01 470
R271 100K
67
C259 R282
0.01 470
R273 100K
2 4 9 8 2 9 9
C262 R286
5V 0.01 470
0V
R275 100K
66
SEL3
65
0V SEL2
64
VSS
63
62
5V
VCC +B
61
SEL1
CP11
60 4.7K
TA EQ MUTE 60
59
TP MSC 59
58
TA MUSIC 58
57
TA F/R 57
R285
CP12
4.7K 47K
56
TA MTL 56
55
TA DOLBY 55
54 R296 2.2K
CD SW2 54
53 R298 2.2K
CD SW1 53
52 R300 1K
CD 52
AMUTE
CD
51 R302
MRST 51
1K
R303 100K
5V
5V
0V R304 C253
0V
470 0.01
CP8 R305 100K
470
R306 C254
R320 470 0.01
CP7
100K
4.7K
+5V
R259
+5V
2.2K
R319
2.2K
+5V +5V
+5V
+3V
+8V
+5V