Toshiba 27D46 Service Manual page 36
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Also See for 27D46:
- Owner's manual (76 pages) ,
- Specifications (2 pages) ,
- Owner's manual (38 pages)
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A
B
8
7
R2432
22
DDRA2
22
DDRA3
R2433
NR2410
4D02WGJ0220TCE
DDRA5
6
DDRCKE
DDRA7
DDRA9
NR2406
4D02WGJ0220TCE
DDRA1
DDRA4
DDRA6
DDRA11
JG2405
NR2407
4D02WGJ0220TCE
5
DDRA12
DDRA8
DDRBS0
DDRA10
DDRDQS0
DDRDQS1
NC
NC
DDRDM0
4
DDRDM1
NC
NC
NR2408
4D02WGJ0220TCE
DDRA0
DDRRASN
DDRWEN
DDRBS1
NR2411
4D02WGJ0220TCE
NC
NC
DDRCK
DDRCKN
DDRCASN
3
VREF
FROM ASIC
2
GND
+2.6V
C2457
6.3V
220
TZV
1
A
B
G-19
C
SDRAM SCHEMATIC DIAGRAM
IC2401
ZR39640BGCG-B1
(4/8 DDR SDRAM)
DDRDQ3
SDATA0
B1
DDRDQ4
E2
SADR2
SDATA1
C4
DDRDQ1
B9
SADR3
SDATA2
B2
DDRDQ2
SDATA3
C3
DDRDQ6
E15
SADR5
SDATA4
C5
D15
SCKE
DDRDQ0
E16
SADR7
SDATA5
C2
D16
SADR9
DDRDQ5
C2462
SDATA6
A1
DDRDQ7
0.1
B
SDATA7
C1
C2463
A10
SADR1
A9
SADR4
0.1
B
A8
SADR6
DDRDQ8
A7
SADR11
SDATA8
B7
DDRDQ9
SDATA9
A3
E3
SADR13
DDRDQ12
SDATA10
A6
DDRDQ13
C2464
SDATA11
B5
0.1
B
DDRDQ15
SDATA12
A5
C8
SADR12
DDRDQ11
B8
SADR8
SDATA13
A4
A11
SBS0
DDRDQ14
B10
SADR10
SDATA14
B6
DDRDQ10
SDATA15
C7
C2465
0.1
B
B3
SDQS0
SDATA16
B12
NC
C2466
C6
SDQS1
SDATA17
A13
NC
0.1
B
A15
SDQS2
SDATA18
C11
NC
A16
SDQS3
SDATA19
A12
NC
A2
SDQM0
SDATA20
A14
NC
B4
SDQM1
SDATA21
B11
NC
C12
SDQM2
SDATA22
B13
NC
B14
SDQM3
SDATA23
C10
NC
E1
SADR0
D2
SRASN
SDATA24
C16
NC
D1
SWEN
D3
SBS1
SDATA25
A17
NC
SDATA26
C15
NC
C2467
SDATA27
B15
NC
C17
SCK
0.1
B
SDATA28
C14
NC
D17
SCKN
E17
SCASN
SDATA29
C13
NC
C2468
SDATA30
B17
NC
10
C
SDATA31
B16
NC
C9
SVREF
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(DIGITAL PCB)
256Mbit DDR SDRAM
IC2404
HY5DU561622DTP-D43
VDD
VSS
DQ0
DQ15
VDDQ
VSSQ
DQ1
DQ14
DQ2
DQ13
VSSQ
VDDQ
DQ3
DQ12
DQ4
DQ11
VDDQ
VSSQ
DQ5
DQ10
DQ6
DQ9
VSSQ
VDDQ
DQ7
DQ8
NC
NC
NC
NC
VDDQ
VSSQ
R2464
R2457
22
DDRDQS0
DDRDQS1
LDQS
UDQS
22
NC
NC
NC
NC
VREF
VDD
VREF
NC
NC
VSS
R2456
22
R2465
22
DDRDM0
DDRDM1
LDM
UDM
DDRWEN
DDRCKN
WE
CK
DDRCASN
DDRCK
CAS
CK
DDRRASN
DDRCKE
RAS
CKE
CS
NC
NC
DDRA12
NC
NC
A12
DDRBS0
DDRA11
BA0
A11
DDRBS1
DDRA9
BA1
A9
DDRA10
DDRA8
AP/A10
A8
DDRA0
DDRA7
A0
A7
DDRA1
DDRA6
A1
A6
DDRA2
DDRA5
A2
A5
DDRA3
DDRA4
A3
A4
VDD
VSS
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
C2469
0.1
B
C2470
0.1
B
C2473
10 C
F
G
H
8
7
6
5
4
3
2
PCBDH0
CEE139
1
H
G-20
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