Kenwood DNX4280BT Service Manual page 74

CR
DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
DGND
13
BU1.8V-1
IC402
A1
13 13
VDD1
N0
DQ7 DQ14
B1
DQ6
P0
DQ0 DQ9
C1
VDDQ2
DQ2 DQ11
DQ5 DQ12
D1
DQ4
CK
E1
VDDL
CK RAS
ODT CKE
WE
CAS
BA0
BA2
G1
BA2
BA1
CS
MA10
14
MA0 MA1
MA2
MA4
J1
VSS3
MA3
MA6
MA5
MA7
MA8 MA9
MA11 MA12
MA13
L1
VDD4
15 16 15
14
D DGND
14
15 15
16 16
16
DGND
18
8V-2
IC403
A1
18 18
VDD1
N2
DQ23 DQ30
B1
DQ6
P2
DQ16 DQ25
C1
VDDQ2
DQ18 DQ27
16
DQ21 DQ28
D1
DQ4
CK
E1
VDDL
CK RAS
ODT CKE
WE
CAS
BA0
BA2
G1
BA2
BA1
CS
MA10
14
MA0 MA1
MA2
TP1
MA4 15
J1
TP3
VSS3
MA6 MA3
MA5
MA7
MA8 MA9
MA11 MA12
MA13
L1
VDD4
15
15
14
ND DGND
14
15
DNX4280BT/5180/5280BT/5380/5380M/5380BT/5580BT/6040EX/6180/6480BT/6980 (3/6)
74
X88-2080-xx (6/6)
CS
13
BU1.8V-1
A2 A3 A7 A8 A9
VSS1 VSSQ1 VDDQ1
NU/RDQS DQS
B2 B3 B7 B8 B9
VSSQ2 DM/RDQS DQS VSSQ3 DQ7
C2 C3 C7 C8 C9
DQ1 VDDQ3 VDDQ4 DQ0 VDDQ5
D2 D3 D7 D8 D9
VSSQ4 DQ3 DQ2 VSSQ5 DQ5
E2 E3 E7 E8 E9
VREF VSS2 VSSDL CK VDD2
F2 F3 F7 F8 F9
CKE ODT
WE RAS CK
G2 G3 G7 G8
BA0 BA1
CAS CS
H2 H3 H7 H8 H9
A10 A1 A2 A0 VDD3
J2 J3 J7 J8
A3 A5 A6 A4
K2 K3 K7 K8 K9
A7 A9 A11 A8 VSS4
L2 L3 L7 L8
A12 NC1 NC2 A13
DGND
BU1.8V-1
SoC MEMORY
DGND
18
BU1.8V-2
A2 A3 A7 A8 A9
VSS1 VSSQ1 VDDQ1
NU/RDQS DQS
B2 B3 B7 B8 B9
VSSQ2 DM/RDQS DQS VSSQ3 DQ7
C2 C3 C7 C8 C9
DQ1 VDDQ3 VDDQ4 DQ0 VDDQ5
D2 D3 D7 D8 D9
VSSQ4 DQ3 DQ2 VSSQ5 DQ5
E2 E3 E7 E8 E9
VREF VSS2 VSSDL CK VDD2
F2 F3 F7 F8 F9
CKE ODT
WE RAS CK
G2 G3 G7 G8
BA0 BA1
CAS CS
H2 H3 H7 H8 H9
A10 A1 A2 A0 VDD3
J2 J3 J7 J8
A3 A5 A6 A4
K2 K3 K7 K8 K9
A7 A9 A11 A8 VSS4
L2 L3 L7 L8
A12 NC1 NC2 A13
DGND
BU1.8V-2
SoC MEMORY
DGND
CT
13
N1
DQ15
P1
DQ8
16
DQ10
DQ13
CK
CK
ODT
16
MA0
MA2
MA4
MA6
MA8
MA11
MA13
15 16
16
16
18
N3
DQ31
P3
DQ24
DQ26
16
DQ29
CK
CK
ODT
MA0
MA2
MA4
CAUTION : For continued safety, re place safe ty critical
MA6
com po nents only with manufacturer's rec om mend ed
parts (refer to parts list).
Indicates safety critical com po nents. To reduce the
MA8
MA11
MA13 risk of electric shock, leakage-cur rent or re sis tance
mea sure ments shall be carried out (ex posed parts are
15 ac cept ably in su lat ed from the supply cir cuit) be fore the
ap pli ance is returned to the customer.
• DC voltages are as measured with a high impedance
volt me ter. Val ues may vary slight ly due to vari a tions
between in di vid u al in stru ments or/and units.
CU CV
1
2
3
4
5
6
7