Toshiba VTW21FQR Manual de servicio - Página 14

Navegue en línea o descargue pdf Manual de servicio para TV Toshiba VTW21FQR. Toshiba VTW21FQR 37 páginas. Combination 21" flat tv and video cassette recorder/dvd video player/ tele text

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Toshiba VTW21FQR Manual de servicio
A
B
8
FROM/TO MPEG/MICON/DSP/RF_AMP
SD_A0
SD_A1
SD_A2
SD_A3
HA16
SD_A4
SD_A5
C4064
SD_A6
7
SD_A7
0.1 F
SD_A8
SD_A9
SD_A10
SD_D0
HD15
SD_D1
SD_D2
SD_D3
HD7
SD_D4
SD_D5
SD_D6
HD14
SD_D7
SD_D8
SD_D9
HD6
SD_D10
SD_D11
SD_D12
HD13
SD_D13
6
SD_D14
SD_D15
HD5
RAMCS0#
RAMCS1#
RAMRAS#
HD12
RAMCAS#
SD_BA0
RAMDQM
HD4
RAMWE#
RAMCLK
C4062
0.1 F
HA0
HA1
HD11
HA2
HA3
HA4
HD3
HA5
5
HA6
HA7
HD10
HA8
HA9
HA10
HD2
HA11
HA12
HA13
HD9
HA14
HA15
HA16
HD1
HA17
HA18
HA19
HD8
HD0
HD1
HD0
HD2
HD3
4
HD4
RD
HD5
HD6
HD7
HD8
HD9
HD10
FLASHCS
HD11
HD12
HD13
HA0
HD14
HD15
B4007
MEMCS0
MMZ1608R102CT
RD
WR
B4008
MMZ1608R102CT
P.CON+3.3V
3
GND
(D_GND)
FROM AUDIO/VIDEO
NC
MEMCS0
RESET
2
1
A
B
H-3
C

MEMORY SCHEMATIC DIAGRAM

FLASH 8M IC
IC4007
SST39VF800A-70-4C-EKE
1.2
1.7
HA15
A16
A15
SD_D15
3.3
1.0
HA14
VCCQ
A14
SD_D14
0
0.8
HA13
GND
A13
0.7
1.5
HA12
DQ15
A12
SD_D13
1.9
2.5
HA11
DQ7
A11
SD_D12
1.3
1.3
HA10
C4059
DQ14
A10
0.1 F
1.2
1.6
HA9
DQ6
A9
SD_D11
0.6
1.5
HA8
DQ13
A8
SD_D10
0
0.7
HA19
DQ5
A19
0
0.8
DQ12
A20
NC
SD_D9
1.6
3.3
WR
DQ4
WE#
SD_D8
0
3.3
RESET
C4058
VCC
RP#
0.1 F
0.1
C4039
1.6
DQ11
VPP
0.1 F
0.1
R4041
1.6
DQ3
WP#
RAMDQM
4.7K
0
1.3
HA19
DQ10
A19
RAMCLK2
5
1.2
1.6
HA18
DQ2
A18
1.4
0.7
HA17
RAMCKE
DQ9
A17
1.4
1.4
HA7
DQ1
A7
SD_A9
0.9
1.6
HA6
DQ8
A6
SD_A8
1.6
1.6
HA5
DQ0
A5
SD_A7
2.6
1.3
HA4
OE#
A4
SD_A6
0
1.7
HA3
GND
A3
SD_A5
2.6
2.5
HA2
CE#
A2
SD_A4
2.5
1.6
HA1
A0
A1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(DVD PCB)
16M SDRAM IC
IC4008
K4S161622H-UC60
C4060
3.2
0
VSS
VDD
0.1 F
1.1
1.7
SD_D0
SD_D15
DQ15
DQ0
1.0
1.1
SD_D1
SD_D14
DQ14
DQ1
0
0
VSSQ
VSSQ
1.0
0.8
SD_D2
SD_D13
DQ13
DQ2
2.5
1.1
SD_D3
SD_D12
DQ12
DQ3
C4040_1
C4061
3.2
3.2
VDDQ
VDDQ
0.1 F
0.1 F
1.0
1.3
SD_D4
SD_D11
DQ11
DQ4
1.0
2.2
SD_D5
SD_D10
DQ10
DQ5
0
0
VSSQ
VSSQ
2.0
0.7
SD_D6
SD_D9
DQ9
DQ6
0.8
1.5
SD_D7
SD_D8
DQ8
DQ7
C4074
C4041_1
3.2
3.2
VDDQ
VDDQ
0.1 F
0.1 F
0
0
RAMDQM
NC
NC
LDQM
0
3.2
RAMWE#
RAMDQM
UDQM
/WE
1.6
3.2
RAMCAS#
RAMCLK
CLK
/CAS
R4057
3.2
R4048_1
3.2
RAMRAS#
RAMCLK2
CKE
/RAS
47K
RAMCKE
0
3.2
RAMCS0#
NC
/CS
NC
0
0.2
SD_BA0
SD_A9
A9
BA
0.1
1.7
SD_A10
SD_A8
A8
A10/AP
0.8
0.8
SD_A0
SD_A7
A7
A0
0.8
0.6
SD_A1
SD_A6
A6
A1
0.8
0.6
SD_A2
SD_A5
A5
A2
0.8
0.8
SD_A3
SD_A4
A4
A3
C4087
0
3.2
VSS
VDD
0.1 F
NOTE:THE DC VOLTAGE EACH PART WAS
D
E
F
G
16M SDRAM IC
IC4009
K4S161622H-UC60
C4050_1
0
3.2
VSS
VDD
0.1 F
1.7
1.1
SD_D0
DQ15
DQ0
1.0
1.1
SD_D1
DQ14
DQ1
0
0
VSSQ
VSSQ
1.0
0.8
SD_D2
DQ13
DQ2
2.5
1.1
SD_D3
DQ12
DQ3
C4045_1
3.2
3.2
VDDQ
VDDQ
0.1 F
1.0
1.3
SD_D4
DQ11
DQ4
1.0
2.2
SD_D5
DQ10
DQ5
0
0
VSSQ
VSSQ
2.0
0.7
SD_D6
DQ9
DQ6
0.8
1.5
SD_D7
DQ8
DQ7
C4046_1
3.2
3.2
VDDQ
VDDQ
0.1 F
3.2
0
RAMDQM
NC
NC
LDQM
0
3.2
RAMWE#
UDQM
/WE
1.6
3.2
RAMCAS#
CLK
/CAS
3.2
3.2
RAMRAS#
CKE
/RAS
47K
0.7
3.2
RAMCS1#
NC
/CS
NC
0
0.2
SD_BA0
A9
BA
0.1
1.7
SD_A10
A8
A10/AP
0.8
0.8
SD_A0
A7
A0
0.8
0.6
SD_A1
A6
A1
0.8
0.6
SD_A2
A5
A2
0.8
0.8
SD_A3
A4
A3
C4047_1
0
3.2
VSS
VDD
0.1 F
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F
G
H
8
7
6
5
4
3
2
PCB130
DME031
1
H
H-4