8.5. MAIN (MEMORY) SCHEMATIC DIAGRAM
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER
TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON
THIS DIAGRAM IS STOP MODE.
NOTE:
CIRCUIT VOLTAGE AND WAVEFORM DESCRIBED
HEREIN SHALL BE REGARDED AS REFERENCE
INFORMATION WHEN PROBING DEFECT POINT,
BECAUSE IT MAY DIFFER FROM AN ACTUAL MEASURING
VALUE DUE TO DIFFERENCE OF MEASURING
INSTRUMENT AND ITS MEASURING CONDITION
AND PRODUCT ITSELF.
SDR-S26
MAIN (MEMORY) SCHEMATIC DIAGRAM
(MAIN P.C.B.)
REFER TO MAIN CONNECTION
DRAMSDAT24
DRAMSDAT16
DRAMSDAT13
DRAMSADR4
DRAMSDAT31
DRAMSDAT5
DRAMSDAT9
DRAMSADR5
DRAMSADR10
DRAMSDAT7
DRAMSADR9
DRAMSADR8
DRAMSDAT14
DRAMSADR11
DRAMSDAT26
DRAMSDAT15
DRAMSDAT23
DRAMSDAT11
DRAMSADR7
DRAMSDAT4
DRAMSDAT10
DRAMSDAT19
DRAMSDAT25
DRAMSADR3
DRAMSDAT3
DRAMSDAT17
DRAMSDAT8
DRAMSDAT27
DRAMSDAT29
DRAMSDAT12
DRAMSADR6
DRAMSDAT22
DRAMSDAT21
DRAMSDAT0
DRAMSADR2
DRAMSDAT1
DRAMSDAT30
DRAMSDAT6
DRAMSDAT20
DRAMSDAT28
DRAMSDAT18
DRAMSADR0
DRAMSDAT2
DRAMSADR1
DRAMSADR12
AADR1
ADAT15
ADAT7
ADAT14
ADAT6
ADAT13
ADAT5
ADAT12
ADAT4
ADAT11
ADAT3
AADR2
AADR3
AADR4
AADR5
AADR6
AADR7
AADR8
AADR9
AADR10
AADR11
AADR12
AADR13
AADR14
AADR15
AADR16
C3202
0.01u[KB]
C3204 0.1u[KB]
C3206
0.1u[KB]
C3203
0.01u[KB]
C3208
10u
C3213
10p[DC]
C3212
0.1u[KB]
L3202
J0JHC0000114
(F18) DRAMSCLKO
(F3) XRST_ARM
(F12) DRAMSDQM1
(F20) DRAMSCS0
(F5) XSWE0
(F23) DRAMSADR[0-12]
(F15) XDRAMSWE
(F7) AADR[1-16]
(F17) XDRAMSRAS
(F16) XDRAMSCAS
(F6) XARD
(F4) XSCS0
(F22) DRAMSBA1
(F8) ADAT[0-15]
(F2) D_GND
(F1) REGD1.8V
(F10) DRAMSDAT[0-31]
(F14) DRAMSDQM3
(F19) DRAMSCKE0
(F21) DRAMSBA0
(F11) DRAMSDQM0
(F13) DRAMSDQM2
(F9) RY/XBY
Q3201
0
2.9
0
UNR32A500L
(RESET)
R3223
47k
R3218
47k
D2
A12
B4
0
-
1.8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
-
1.8
1.8
-
-
-
-
-
-
-
-
0
1.8
0
0
0.9
-
-
-
-
-
-
-
-
OE
B2
DQ8
G4
NC
E5
NC
H3
A5
B6
VCC CORE
H5
A3
C2
DQ4
G1
INT
4
NC
A2
RP
H2
A4
D6
DQ6
2
NC
A6
DQ13
F2
A13
16
NC
B5
DQ9
B3
DQ1
9
NC
B1
DQ12
19
NC
G5
A10
12
NC
E1
CLK
E3
DQ2
1
NC
A3
DQ14
C1
DQ7
A4
VSS
10
NC
17
NC
C5
DQ3
D1
DQ15
F1
A14
H6
NC
H4
A2
11
NC
15
NC
H1
RDY
E6
A9
C3
DQ11
A5
VSS
G3
A1
8
NC
D5
DQ5
5
NC
F5
A11
E4
NC
3
NC
D4
A15
13
NC
D3
DQ0
18
NC
F3
AVD
6
NC
G2
A0
F4
A7
14
NC
G6
A6
7
NC
C6
VCC IO
F6
A8
C4
DQ10
E2
CE
IC3203
C3FBSG000007
(FLASH MEMORY)
A1
WE
B9
DQ19
G9
A1
K9
DQM0
L7
VDD
H2
A8
C7
DQ22
R8
DQ0
M3
DQ9
M1
VSSQ
P9
DQ4
G3
A6
C3
DQ25
H7
NC
K1
DQM1
R2
DQ15
R7
VDD
J1
CLK
J8
CS
B7
VDDQ
B2
VDDQ
P8
VSSQ
J7
BA0
F3
A3
G7
A10
N7
DQ1
C9
VDDQ
J3
A9
H3
A12
H8
BA1
J9
RAS
F8
DQM2
R3
VSS
N9
VDDQ
K2
NC
E9
VSSQ
L9
VSSQ
B3
VSSQ
L2
DQ8
E8
DQ16
C1
VSSQ
A2
DQ24
H9
A11
L1
VDDQ
N3
DQ14
P7
VDDQ
B1
DQ28
D7
DQ17
A9
DQ21
F2
DQM3
A8
DQ23
D2
DQ29
N8
DQ3
C2
DQ27
R1
DQ13
D1
VSSQ
M9
VDDQ
A3
VSS
M8
DQ5
D3
DQ30
K8
WE
B8
VSSQ
P1
DQ11
H1
A7
M2
DQ10
G1
A4
N1
VSSQ
J2
CKE
P2
VDDQ
E7
NC
P3
VSSQ
M7
DQ6
F1
VSS
E3
NC
C8
DQ20
E1
VDDQ
D9
VDDQ
K7
CAS
A7
VDD
N2
DQ12
L8
DQ7
G2
A5
R9
DQ2
D8
DQ18
F7
A2
F9
VDD
K3
NC
G8
A0
L3
VSS
E2
DQ31
IC3202
C3ABSJ000010
(SDRAM)
A1
DQ26
C3209
10u 6.3V
L3201
J0JBC0000107
TO MAIN CN (K-4)
<TO POWER>
TO MAIN CN (K-4)
<TO POWER>
TO MAIN CN (J-5/K-5)
<TO VIDEO>
TO MAIN CN (K-4)
<TO VIDEO>
TO MAIN CN (L-4)
<TO VIDEO/ SYSCON>
0
0
0
0
0
0
0
0
1.8
1.8
1.8
1.8
1.8
-
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.8
1.8
1.8
1.8
1.8
1.8
1.8
1.8
0
0
0
0
-
1.8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ADAT10
ADAT2
ADAT9
ADAT1
ADAT8
ADAT0
8
9
10
7
6
E
F
G
D
C
5
4
3
2
1
B
A
SDR-S26P
29
Содержание SDR-S26EB
Страница 7: ...3 Specifications 7 SDR S26P ...
Страница 9: ...Fig 1 2 Fig 1 3 9 SDR S26P ...
Страница 11: ...5 Service Fixture Tools 5 1 Service Tools and Equipment 11 SDR S26P ...
Страница 13: ...6 1 2 Checking and repairing individual circuit boards How to use extension cables 13 SDR S26P ...
Страница 14: ...6 2 1 Main P C B 6 2 Location for Connectors of the Main P C B and Sub P C B 14 SDR S26P ...
Страница 15: ...6 2 2 Sub P C B 15 SDR S26P ...
Страница 17: ...6 3 2 Sub P C B Make sure to install CSP IC in the correct position of the Sub P C B as shown 17 SDR S26P ...
Страница 62: ...SDR S26P 62 ...
Страница 91: ...10 3 Abbreviations 91 SDR S26P ...
Страница 92: ...92 SDR S26P ...
Страница 93: ...93 SDR S26P ...
Страница 94: ...94 SDR S26P ...
Страница 95: ...95 SDR S26P ...