SCH04 MAIN4 SDRAM & TUNER
ANALOG AUDIO
DIGITAL AUDIO
DRAM
SDRAM
Change to 16M
Go to display board -24pin FFC
Go to display board -5pin cable
DQ[0..15]
RAS#
CAS#
BA[0..1]
DQM[0..1]
MA[0..11]
DCLK
WE#
DBA0
BA0
DBA1
BA1
DWE#
WE#
RAS#
DRAS#
DCAS#
CAS#
SDCLK
DCLK
SDCLK
MA4
DCAS#
MA8
MA3
MA7
MA2
DRAS#
DQ0
DQ7
DQ2
DQ5
DQ8
DQ9
DQ14
DQ10
DQ13
DQ12
DQ15
DQ11
MA10
DQ1
DQ6
DBA1
MA11
DBA0
DQ4
DQ3
MA6
DQM1
MA1
MA5
DWE#
DQM0
MA0
MA9
EAR_DET
EAR_OUT_R
EAR_OUT_L
VFD_CS
-24V
VOL-
VOL+
IR
BT_LED
VFD_CLK
VFD_DATA
POWER_KEY
ADC_KEY2
ADC_KEY1
OPTICAL_IN
SD33
SD33
SD33
SD33
A
FM3V3
A
A
A
SYS_3V3
A
-24V
A
VFD_14V
STB_5V
D33
A
A
DQM[0..1]
(2)
BA[0..1]
(2)
WE#
(2)
CAS#
(2)
DCLK
(2)
MA[0..11]
(2)
DQ[0..15]
(2)
RAS#
(2)
Tuner_RDS
TUNER_SDA
10
TUNER_SCL
10
TUNER_L
TUNER_R
OPT_IN
AUX_L
AUX_R
VFD_CLK
VFD_DATA
VFD_CS
VOL-
VOL+
IR_IN
LED_GRE
BT_LED
ADC_KEY1
EAR_DET
EAR_OUT_R
EAR_OUT_L
ADC_KEY2
LED_RED
POWER_KEY
FB39
600Ω/0
.3A
XP9
5P
IN/1
.0mm
1
1
2
2
3
3
4
4
5
5
U7
M12L64164A-7TG2C 54TSOP SDRAM
VCC
1
DQ0
2
DQ1
4
VSSQ
12
DQ2
5
DQ3
7
VCCQ
9
DQ4
8
DQ5
10
VSSQ
46
DQ6
11
DQ7
13
DQML
15
WE
16 CAS
17 RAS
18 CS
19
A11
35
A10/AP
22
A0
23
A1
24
A2
25
A3
26
VCC
14
VSS
41
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
NC
36
CKE
37 CLK
38
DQMH
39
NC
40
VCCQ
43
DQ8
42
DQ9
44
VSSQ
52
DQ10
45
DQ11
47
VCCQ
49
DQ12
48
DQ13
50
DQ14
51
DQ15
53
VSS
54
BA0/A13
20
BA1/A12
21
VCCQ
3
VSSQ
6
VCC
27
VSS
28
FB43
600/200mA
C125
470pF
/50V/X7R
FB13 NC
/500/500
mA
+
47uF/16V
CE8
C112
0.1uF/16V
/
X7R
C12
3
0.1u
F
/16V
/
X7R
C10
9
1000pF
/50V/X7R
C9
6
1000pF
/50V/X7R
C9
9
33pF
/50V/
N
P0
FB12
600/200mA
C102 1000pF/50V/X7R
R112
1K
C10
1
1000pF
/50V/X7R
C11
0
1000pF
/50V/X7R
C9
8
33pF
/50V/
N
P0
C10
7
1000pF
/50V/X7R
XP10
20P
IN/1
.0MM
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
C103 1000pF/50V/X7R
C127
100pF/50V/
N
P0
C117
0.1uF/16V
/
X7R
C10
5
1000pF
/50V/X7R
FB9
600Ω/0.3A
C115
0.1uF/16V
/
X7R
R113
0
C12
0
330pF
/50V/
N
P0
R117
33
C9
7
1000pF
/50V/X7R
C132
100pF
/50V/
N
P0
R114
0
C121
1UF/16V/X7R
C129
100pF/50V/
N
P0
R116
33
C131
10pF/50V/
N
P0
+
100uF/16V
CE274
TP44
L28
10uH/3A
R12
1
NC
/10K
R37
0
NC
/47K
R115
10
FB42
600/200mA
FB41
600Ω/0
.3A
C100 33pF/50V/NP0
U8
FM TUNER MODULE KST-MW104MV1-R75B
L-OUT
8
GND
6
R-OUT
7
VCC(+3.3V)
5
DA
4
CK
3
LA
2
IIC/RDSI
1
IISD
9
GND4
13
GN
D
3
12
GN
D
2
11
GN
D
1
10
R119
10
C130
0.1uF/16V
/
X7R
FB8
220Ω
RCA
P1
2
1
3
R122
10K
FB34
600Ω/0.3A
C11
1
1000pF
/50V/X7R
C10
8
1000pF
/50V/X7R
FB11
600/200mA
FB35
600Ω/0.3A
C10
6
1000pF
/50V/X7R
C128
100pF/50V/
N
P0
FB36
600Ω/0.3A
C126
470pF
/50V/X7R
FB45
600/200
m
A
C116
0.1uF/16V
/
X7R
C114
0.1uF/16V
/
X7R
FB10
600Ω/0
.3A
C133
100pF
/50V/
N
P0
R351 0
C11
8
470pF
/50V/X7R
FB40
600Ω/0
.3A
C113
1000pF
/50V/X7R
FB30
1.8uH/25mA
FB32
600Ω/0.3A
C124
100pF/50V/
N
P0
C104 1000pF/50V/X7R
FB33
600Ω/0.3A
U9
DQR-012
OPTI
3
+5V
1
GND
2
FB37
600Ω/0.3A
C119
100pF
/50V/
N
P0
C122
1UF/16V/X7R
FB7
220Ω
R118
470
FB38
600Ω/0
.3A
R347 0
R12
0
NC
/10K
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
12