Kenwood KDC-5080R/RY Service Manual page 17

AE AF
X32-4700-00 : (DXM-1040)
1
2
S2 : 12cm DISC
DET.SWITCH
S1 : LOAD DET.
SWITCH
CN2
D.OUT 22
S2
SW2 21
S1
SW1 20
CP1 100
CLK 19 94
3
18 93
DATA
MECHA 17
C32
0.01 L2
NC 16
BU+5V 15
D.GND 14
Q4
D.5V SW
CP3 100
MUTE R 13 87
MUTE L 12 86
4
CP2 100
MRST 11 89
MSTOP 10 91
A.+8V 9
to Q3
MAIN
UNIT R44
CN200
5.1K
Q3
A.8V SW
8.0V
3.8V
IC6
(1/2)
R121
5
R107
8 20K
6
330
7
Lch 8 5
ACTIVE
3.2V
FILTER C71
470P
3
3.8V 1
2
4
R122
IC6
20K
(2/2)
R126
20K
6
0V
A.GND 7
Rch 6
5
LO/EJ
MOTOR 4
S.7.5V 3
S.GND 2
SW3 1
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be
!
7
carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual
instruments or/and units.
AG AH
C25 C29
0.012 0.1
0V
51
CSEL
52
TEST1
53
TEST2
4.8V
54
IOSEL
0V
5.0V 55
5V
NRST
56
0V
BCLK
57
LRCK
58
SRDATA
59
SUBC
60
SBCK
61
DQSY
62
R31
DEMPH
1K 0V 63
TX
64
PSEL
IC2
65
MSEL
5.0V 66
CD SIGNAL
SSEL
67
X1 PROCESSOR
DVDD1
16.93MHz
bult in u-COM.
68
X1
69
X2
70
DVSS
71
XSUB1
72
XSUB2
73
DVDD2
74
5.0V
NC
5.0V
75
NC
0V
C46 0.047
4.8V 5.0V
R52 100K
R54
100K
D3
CLVS
C85
Q2
PON SW
D2
DOWN & LIMIT
SWITCH
MOTOR SW
Q5 S3
R117
20K
IC5
5V AVR
3.2V
R118
IC5 5.0V
20K
IN OUT
8.0V
GND
0V
AI AJ
0V
R36 C26
150 1
25 1.5V
PLLF
C24 0.022
24 1.4V
1.8V IREF
R34 68K
23 2.5V
DSLF
22 R35 100K
DRF
2.5V
21
ARF
20 2.5V
VREF 20
19 2.5V
RFENV 19
18
NC
17
NC
16
NC
15 2.5V
TE 15
14
NC
13
FE
NC
12 2.5V
FE 12
11 3.0V
TBAL 11
10 2.5V
FBAL 10
9 5.0V
AVDD3
8 0V
AVSS3
7
NC
6
NC
5 5.0V
LDON 5
R218 47K
4 0V
VDET 4
5V
3 0V
RFDET 3
0V
2 0V
OFT 2
1 0V
BDO 1
D4
Q8
C35 C55
0.1 0.1 0V
GAIN
0.1
CONTROL SW
ECS TVD
R80 C44
2K 0.1
R76 6.2K
2.0V
IC4
BTL
DRIVER
R77 R78
56K 24K
8.0V
AK AL
RF
C23 R11 C5 R12
1000P 6.8K 33P 4.3K
C7 C6 R13 C3
0.1 3P 36K 10u16
+
5.0V
ARF
IC1
RF 0.8Vpp
2.5V 5.0V
AMP
0.1V
1.2Vp-p 0.8Vp-p
0V or 5.0V 2.5V
5Vpp
TE
R17 R19
TE
36K 27K
R3
R18 C16 C18
82K
3.9K 100P 470P
34
R6
33
FE 82K
19
C14
4700P
20
R72 C45
1K 0.012
LOAD
SLED+ (X92- )
5.0V
DM2
M
12
TRK+
11
4.0V
2.5V
2
4.0V
LOADING & SLED
1 EJECT
SLED- MOTOR
TRK-
FCS+
4.0V (X92- )
SPDL-
27
4.0V DM1
26
M
18
FCS-
17
SPINDLE
MOTOR
SPDL+
C41
2.2
KDC-5080R/RY,6016R
AM AN
(X92- )
DPU1
(T25-0215-05)
C4
10u6.3
+
OPTICAL
IOP1 IOP2 PICKUP
R8 R9
4.7 10
Q1
APC
D1
CN1
R1 33K
1 D
R2 33K
2 B
R22 33K
3 C
R23 33K
4 A
5
GND
6 LD
7 PD
R5 91
8 VR
9 VC
10 VCC
33 11 F
34 12 E
27 13 FCS+
2 14 TRK+
1 15 TRK-
26 16 FCS-
IC1 : AN8806SB
IC2 : MN662774KC3
IC4 : BA5917AFP
IC5 : TA78L05F
IC6 : NJM4565MD
Q1 : 2SB1188
Q2,5,8 : DTC124EUA
Q3,4 : 2SA1362(Y)
D1,2,4 : DAN202U
D3 : DA204K
SIGNAL LINE
GND LINE
B LINE