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
5PIN/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
C125470pF/50V/X7R
FB13 NC/500/500mA
+
47uF/16V
CE8
C112 0.1uF/16V/X7R
C123 0.1uF/16V/X7R
C109 1000pF/50V/X7R
C96 1000pF/50V/X7R
C99 33pF/50V/NP0
FB12 600/200mA
C102 1000pF/50V/X7R
R112 1K
C101 1000pF/50V/X7R
C110 1000pF/50V/X7R
C98 33pF/50V/NP0
C107 1000pF/50V/X7R
XP10
20PIN/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/NP0
C117 0.1uF/16V/X7R
C105 1000pF/50V/X7R
FB9 600Ω/0.3A
C115 0.1uF/16V/X7R
R113 0
C120 330pF/50V/NP0
R117 33
C97 1000pF/50V/X7R
C132100pF/50V/NP0
R114 0
C121 1UF/16V/X7R
C129
100pF/50V/NP0
R116 33
C131
10pF/50V/NP0
+
100uF/16V
CE274
TP44
L28 10uH/3A
R121 NC/10K
R370 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
GND3
12
GND2
11
GND1
10
R119 10
C130
0.1uF/16V/X7R
FB8 220Ω
RCA
P1
2
1
3
R122 10K
FB34 600Ω/0.3A
C111 1000pF/50V/X7R
C108 1000pF/50V/X7R
FB11 600/200mA
FB35 600Ω/0.3A
C106 1000pF/50V/X7R
C128
100pF/50V/NP0
FB36 600Ω/0.3A
C126470pF/50V/X7R
FB45 600/200mA
C116 0.1uF/16V/X7R
C114 0.1uF/16V/X7R
FB10 600Ω/0.3A
C133100pF/50V/NP0
R351 0
C118 470pF/50V/X7R
FB40 600Ω/0.3A
C113
1000pF/50V/X7R
FB30 1.8uH/25mA
FB32 600Ω/0.3A
C124
100pF/50V/NP0
C104 1000pF/50V/X7R
FB33 600Ω/0.3A
U9
DQR-012
OPTI
3
+5V
1
GND
2
FB37 600Ω/0.3A
C119 100pF/50V/NP0
C122 1UF/16V/X7R
FB7 220Ω
R118 470
FB38 600Ω/0.3A
R347 0
R120 NC/10K
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
12
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