Kenwood Ez700SR Service Manual page 37

AT
Q9,10
SW
Vref
C34
FE
Q10
56P
TE
C31
R40
R43
47P
39K
390K
1.65V
DD1
ND1
OK 3.3V
Q
T
B 3.3/0V
K
RF AMP/SERVO
CD SIGNAL
0/3.3V
PROCESSOR
DD1
VDD1
UT
GND1
GC
GND2
UT
VDD2
DD
3.3/0V
L 0/3.3V
3.3/0V
3.3V
0V
L
ND
SELECTOR
(SERIAL DATA)
0/3.3V
R31
100K
R32 R23
CP12
100K 10K
100K
R33
100K
17
LRCKIB
18
VDD1
3.3/0V
3.3/0V
19
0/3.3V
STANBY
20
(DA) 3.3V
VSS1
21
(MP3) 0/3.3V
VSSL
22
VRAL
(DA) 3.3V
23
LO
IC3
(MP3) 3.3/0V
24
VDAL
MP3/WMA
25
(DA) 3.3V
DECODER
VDAR
26
(MP3)
RO
27
VRAR
28
VSSR
29
TESTP
30 (DA) 0V
TXO
31 (MP3) 0/3.3V
PO0
32
PO1
CP13
100K
AU
Q9
RF
47K
E F
47K
10K
10K
C38
6800P
0.3Vp-p
1.65V
1.0Vp-p
IC2
3.3/1.65/0V
3.3/0V
FLAG
C39 CP9
0.1 100
3.3V
IC8
5
VCC
3.3V 1
0/3.3V
B
2
A
3 4
0V
GND Y
CP16
2.2K
C37 R42
1000P 100
3.3V
64 0V
VSSX
R46
63
3.5/0V XO
62
1M
1.0/0V XI
61
R47
VDDX
100K
60 0V
CKIO
59 2.5V
VDDP
58
R49 C41
VCOI
R48 330 0.33
1.35V 57
PDO
56
330
VSSP
CP15
0/3.3V
55
100K
FI2
0V
54
TSTIN
53
PI5
52 2.5V
VDD2
0V 51
PI4
50
0V PI3
49
PI2
CP14
100K
AV
1.7Vp-p
1.65V
C36
75
C48
0.1
RF2-
4P
74
RF-
73
1.0Vp-p
R51 C51
EQ1
3.9K 33P
72
EQ2
C49
71
1.7Vp-p
ARF C18
RFI
70 3300P 0.1
ADVDD
3.3V
C54
0.01
69 1.65V
ASY
R55 C55
3.0/0.3V
10K 0.01
68
EFM
67
ADGND
66
0V
TEST0
65
TEST1
64
TEST2
63
TEST3
62
TEST4
61
C32
TESTEN
60 0.1
DGND4
CP11
4.7K
59
MD-
58
MD+
57
SD- 58
56
SD+ 56
55
TD- 54
54
3.3/0V TD+ 52
53
FD-
CP10
52
10K
FD+
51
DVDD4
3.3V
4ch BTL DRIVER
IC4
1 VCC
BIAS
R52
16K
2 TDIN-
52 FDIN-
3 TDIN
FDIN
4
SPIN+
SLIN+
R59
4.7K
5
58 SPIN-
6
SPIN
SLIN-
SLIN
7
LO/EJ
GND
0V 8
3.3V 9
MUTE CNT
10
GND GND
7.5V 11
VCC1 VCC2
12
12 SPD- SLD-
13
13 SPD+ SLD+
14
F- FO- TR-
15
F+ FO+ TR+
C42
0.1
C43
0.1
M
DM1
SPINDLE
(X92- ) (X92- )
MOTOR
(X32-5500-0x)
(X32-5680-0x)
UNIT
IC1 R103
No.
0-00 91CW12AFG-4VF6 NO
0-01 91CW12AFG-4VF6 NO
X32-5500/5540/5680
AW
Ez700SR/Ez900HDS
CN2
1 VCC
2 VC
3 GND
4 LD
R64 DPU1(X92- )
5 VR
150
6 PD
7 C
OPTICAL
86 8 E
PICKUP
9 A
10 B
87 11 F
12 GND
F+ 13 FCS+
T+ 14 TRK+
T- 15 TRK-
F- 16 FCS-
∗
IC1 :
IC2 : UPD63712GC
IC3 : TC94A20F-010
IC4 : BA5824FP
IC5 : NJM2880U133
IC6 : XC6219B332MR
IC7 : XC6219B252MR
IC8 : TC7SH08FU
IC9 : TAR5S33-F
Q1,4 : 2SK3018
Q3,5 : UMD9N
Q6 : UMD12N
Q7 : DTC124EUAF
Q8 : 2SB0970
Q9,10 : DTC114YUA
D2 : DA204U
D3 : DAN202U
SIGNAL LINE
GND LINE
B LINE
CAUTION : For contin-
30 7.5V
ued safety, replace
R53
12K safety critical compo-
29
54
n e n t s o n l y
28
manufacturer's recom-
R56
12K
27
mended parts (refer to
56
parts list).
Indicates safety criti-
26
cal components. To re-
25
duce the risk of electric
24 R63
24 shock, leakage-current
13K
23
or resistance measure-
R50
22
22
ments shall be carried
21
100
20 7.5V
out (exposed parts are
19
19
acceptably insulated
18
18
17
from the supply circuit)
T-
16
T+
before the appliance is
returned to the customer.
• DC voltages are as
measured with a high
impedance voltmeter.
V a l u e s m a y v a r y
slightly due to varia-
tions between indi-
vidual instruments or/
M
and units.
DM2
LOADING & SLED
MOTOR
(X32-5540-0x)
UNIT
S4 IC1 R103 S4
No.
NO 0-00 91CW12AFG-4VF6 NO NO
YES 0-01 91CW12AFG-4VF6 NO YES
0-02 91CW12AFG-5NJ2 YES NO
X32-5540-02 (2/2)
AX
1
2
3
4
w i t h
5
6
7
37