3-2
ONE POINT REPAIR GUIDE
1. NO POWER PROBLEM
No power problem occurs when you power on. (No LED Sens.)
1-1. DSP (Micom)
IC101
1-1-1. Solution
Replace IC101, IC105, X101 on MAIN board.
1-1-2. How to troubleshoot (Countermeasure)
1) Please check Vcc voltage. (pin A4, A10, D4, D14, P4, P14, U5, U6, U9 of IC101
3.3 V)
If 3.3 V voltage doesn’t come out, Replace IC602.
2) Please check Vcc voltage. (pin A9, E9, J4, J14, P9, P12, T10, U4 of IC101
1.2 V)
If 1.2 V voltage doesn’t come out, Replace IC603.
3) Please check Crystal Frequency (X101)
24 MHz and Replace it.
4) Please check RESET voltage. (pin T11 of IC101
3.3 V)
If 3.3 V voltage doesn’t come out, Replace IC106 and R161.
5) Please check P-Sens voltage. (pin A6 of IC101
3.3 V)
1-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
< Schematic point >
0
C616
C6
2
8
C
617
C6
2
5
R177
R1
2
5
R129
R123
C
633
R
A
C144
C142
R184
R1
4
5
R1
4
7
R1
5
2
FB652
C1
2
7
R1
7
6
C
621
R1
6
2
R1
6
9
R1
8
2
C128
RA
1
0
2
RA
1
0
4
RA
1
0
1
C143
C6
1
8
R6
1
0
C612
RA
1
0
3
C
626
R611
R609
C614
C6
1
1
R179
R1
3
8
R1
3
9
R131
R132
R133
R146
R128
R106
R107
R108
R109
R105
R111
R104
IC106
APX809
C126
R167
R1
7
1
R180
TPS563200_DD
IC601
R1
4
9
R1
4
4
R1
4
0
R1
4
8
R137
R121
R126
R124
Q121
Q122
C103
R103
TPS563200_DD
IC603
FB651
R151
C145
FB641
C613
L603
C
627
C634
X101
24M
BD2242G
IC602
To Touch Led
PN110
R
E
K
15
1
10
A
5
IC101
MLC3730S
R146
R
162
C109
C112
R151
R
164
R168
R169
R170
R144
R145
R149
R
150
A
P
X
809-29S
A
IC106
R
163
R
161
C120
C118
D
F
3D
6.
8M
S
D123
R147
R148
C111
C108
FB111
PN551
R153
R166
E5
VSS33IS
B1
PGPA09
C1
PGPA10
D4
VDD33IO
C2
PGPA11
D2
PGPA12
D1
PGPA13
E1
PGPA14
E2
PGPA15
E4
PGPA00
F1
PGPB01
F2
PGPB00
G1
PGPB02
G2
PGPB03
F4
PGPB04
H2
PGPB05
G5
PGPD13
H1
PGPB06(Boot(0))
G4
PGPD14
J1
PGPB07(Boot(1))
H4
PGPD15
J2
PGPB08
J4
VDD12INT
J5
VSS12INT
K2
PGPB09
K4
PGPC12
K1
PGPB10
L4
PGPC13
L5
PGPC14
L1
PGPB11
L2
PGPB12
M4
PGPC15
M2
M1
PGPB14
N4
PGPC00
N2
PGPC01
P2
PGPC02
P1
PGPC03
R1
PGPC04
R2
PGPC05
T2
PGPC06
P4
VDD33IO
N5
VSS33IO
T1
PG
PC0
7
P5
PG
PE0
0
U1
PG
PC0
8
P6
PG
PE0
1
U2
PG
PC0
9
P7
PG
PC1
0
U3
PG
PE0
3
N7
PG
PE0
3
T3
PG
PC1
1
P8
PG
PE0
4
U4
VDD12CORE
T4
V
S
S
12C
OR
E
U5
VDD3
3
U
SB2
0
T5
PUI
D
2
0
T6
PUVBUS2
0
T7
V
S
S
33U
S
B
20
U7
PUDP2
0
T8
PRT
U
NE2
0
U8
PUDN2
0
T9
V
S
S
33U
S
B
20
P9
VDD1
2
U
SB2
0
N9
V
S
S
12U
S
B
20
U9
VDD3
3
O
SC
U1
0
PXI
U1
1
PXO
U1
2
V
S
S
33OS
C
T10
P
D
D
12A
LIV
E
T11
PT
EST
T13
P
R
E
M
OCON(
P
GP
E
(10)
)
T12
PRESET
N
P1
0
PG
PE0
5
P1
1
PG
PE0
6
U1
4
PSPDI
F
RX(
P
G
P
E(
1
2
))
T14
PEXT
SRC0
(P
G
P
E(
1
3
))
N1
1
PG
PE0
7
T15
PEXT
SRC1
(P
G
P
E(
1
4
))
U1
5
PWAKEUP
T16
V
D
D
30R
TC
U1
6
PRT
C
XI
U1
7
PRT
C
XO
P1
2
V
D
D
12P
LL
P1
3
V
S
S
12P
LL
N13
VSS33IO
P14
VDD33IO
T17
PAD(12)
R16
PAD(9)
R17
PAD(11)
P16
PAD(8)
P17
PAD(7)
N17
PAD(6)
N16
PAD(5)
N14
PAD(4)
M14
PGPD05
M17
PSDCLK
L13
PGPD06
L14
PGPD07
M16
PSDCKE
K14
PGPD08
L17
PSDDQM(1)
J13
VSS12CORE
J14
VDD12CORE
L16
PSDDQM(0)
H14
PGPD09
K16
PAD(3)
G14
PGPD10
K17
PSDCSN
J17
PSDCASN
G13
PGPD11
F14
PGPD12
J16
PSDRASN
H16
PSDWEN
H17
PAD(0)
G17
PAD(1)
G16
PAD(2)
F17
PAD(10)
F16
PSDBA(0)
E14
PSDBA(1)
E16
PD(8)
E17
PD(9)
D17
PD(10)
D16
PD(11)
C16
PD(12)
C17
PD(13)
B17
PD(14)
E13
VSS33IO
D14
VDD33IO
A1
7
PD(
1
5
)
A1
6
PD(
0
)
B1
6
PD(
1
)
B1
5
PD(
2
)
A1
5
PD(
3
)
A1
4
PD(
4
)
B1
4
PD(
5
)
B1
3
PD(
6
)
A1
3
PD(
7
)
E9
VDD1
2
CORE
D1
0
PNT
R
ST
D1
3
PG
PD0
0
D9
PT
DI
D1
2
PG
PD0
1
D8
PT
M
S
E1
1
PG
PD0
2
D7
PT
CK
D1
1
PG
PD0
3
E7
PT
DO
D6
PRT
C
K
A1
2
PG
PA0
0
B1
2
PG
PA0
1
B1
1
PG
PA0
2
A1
1
PG
PA0
3
B1
0
VSS3
3
IO
A1
0
VDD3
3
IO
B9
VSS1
2
CORE
A9
VDD1
2
CORE
B8
VSSUSB1
1
A7
PUDN1
1
A8
PUDP1
1
B7
VDDUSB1
1
D5
PAI
N
(4
)
B6
PAI
N
(3
)
A6
PAI
N
(2
)
A5
PAI
N
(1
)
B5
PAI
N
(0
)
B4
VSS3
3
A
DC
A4
VDD3
3
ADC
A3
PG
PA0
4
B2
PG
PA0
6
B3
PG
PA0
5
A2
PG
PA0
7
A1
PG
PA0
8
N1
PGPB15
U6
VDD3
3
U
SB2
0
U1
3
PHUART
RX(
PGPE(
1
1
))
R619
C633
10uF(2)
C626
C616
10uF(2)
C611
R618
R620
R612
R613
R609
R610
R626
10uF(2)
C627
C621
C622
C634
3.38VA
10uF(2)
C628
10uF(2)
C625
C613
4
R621
R616
C618
R611
TPS563200_DD
IC601
NR6045T_3R0M
L602
R622
C620
NR6045T_2R3M
L603
C619
10uF(2)
C623
R617
R614
R615
C614
TPS563200_DD
IC603
C612
10uF(2)
BD2242G
IC602
IC101
IC101
IC602
IC602
IC603
IC603
X101
X101
IC106
IC106
IC101
IC101
IC602
IC602
IC603
IC603
X101
X101
IC106
IC106
Содержание SH2
Страница 9: ...2 2 ...
Страница 11: ......
Страница 12: ...A900 2 SUBWOOFER SECTION ...
Страница 29: ...3 18 3 17 BLOCK DIAGRAMS 1 SYSTEM BLOCK DIAGRAM ...
Страница 30: ...3 20 3 19 2 POWER BLOCK DIAGRAM ...