Toshiba VTW21FQR Service Manual - Page 13
Browse online or download pdf Service Manual for TV Toshiba VTW21FQR. Toshiba VTW21FQR 37 pages. Combination 21" flat tv and video cassette recorder/dvd video player/ tele text
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A
B
8
C4038
0.01 B
JG001
UNREG+3.8V
JG002
JG003
BOOT2
JG004
BOOT1
D4005
JG005
R4052
DUPTD1
JG006
1SS355
DUPRD1
4.7K
JG007
DUPTD0
JG008
DUPRD0
7
JG009
P.CON+5V
R4051
R4078
4.7K
R4077
4.7K
4.7K
R4050
4.7K
R4049
FROM/TO MEMORY
4.7K
(D_GND)
GND
P.CON+3.3V
6
208
207
206
3.3
HA0
SSCRXD
3.3
HA1
NC
MEMCS(1)
C4008
HA2
3.3
VDDP
HA3
HA15
0.1
F
3.0
MEMAD(15)
HA4
HA16
3.0
HA5
MEMAD(16)
HA14
3.0
HA6
MEMAD(14)
HA7
3.3
HA13
MEMAD(13)
HA8
HA12
3.3
MEMAD(12)
HA9
0
HD15
HA10
MEMDA(15)
HA11
0.5
HA11
MEMAD(11)
HA12
HD7
2.6
MEMDA(7)
HA13
0
GNDP
HA14
HA10
0
HA15
MEMAD(10)
1.9
HD14
HA16
5
MEMDA(14)
HA17
HA9
0
MEMAD(9)
HA18
0
HD6
MEMDA(6)
HA19
HA8
0
MEMAD(8)
HD13
2.1
HD0
MEMDA(13)
2.0
HD1
HD5
MEMDA(5)
HD2
0
NC
MEMAD(20)
HD3
C4010
3.3
HD4
VDDP
HD12
0.1
F
0.6
HD5
MEMDA(12)
3.3
HD6
WR
MEMWR#
HD7
HD4
2.6
MEMDA(4)
HD8
C4013
1.8
HD9
VDDC
2.7
HD11
0.1
F
HD10
MEMDA(11)
HD11
HD3
2.9
MEMDA(3)
HD12
0
HA19
MEMAD(19)
HD13
0
HD14
GNDC
4
0.5
HD10
HD15
MEMDA(10)
HA18
0
MEMAD(18)
MEMCS0
0
GNDP
RD
HD2
0.6
WR
MEMDA(2)
0
SD_A0
HA17
MEMAD(17)
0.6
SD_A1
HD9
MEMDA(9)
SD_A2
HA7
2.7
MEMAD(7)
SD_A3
2.7
HD1
SD_A4
MEMDA(1)
HA6
0.6
SD_A5
MEMAD(6)
0.4
SD_A6
HD8
MEMDA(8)
SD_A7
HA5
5.5
MEMAD(5)
SD_A8
3.3
C4014
SD_A9
VDDP
HD0
0.1 F
0.4
SD_A10
MEMDA(0)
3.3
HA4
MEMAD(4)
SD_D0
0
RD
3
MEMRD#
SD_D1
HA3
0
SD_D2
MEMAD(3)
0
HA2
SD_D3
MEMAD(2)
SD_D4
MEMCS0
3.1
MEMCS(0)#
SD_D5
3.1
HA1
MEMAD(1)
SD_D6
HA0
3.2
SD_D7
MEMAD(0)
0
SD_D8
GNDP
SD_D9
C4016 0.1 F
3.3
VDD-IP
SD_D10
C4017 0.1 F
3.3
VDDP
SD_D11
SD_D12
53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
SD_D13
SD_D14
R4054
SD_D15
RAMCS0#
1K
RAMCS1#
R4053
RAMRAS#
RAMCAS#
1K
2
SD_BA0
RAMDQM
RAMWE#
RAMCLK
1
CAUTION
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-1
C
MPEG/MICON/DSP/RF_AMP SCHEMATIC DIAGRAM
C4096
0.001
B
C4032
0.001
B
205
204
203
202
201
200
199
198
197
196
195
194
193
192
191
190
189
188
187
186
185
184
183
182
181
180
179
178
177
176
175
174
173
172
208
SSCTXD
207
SSCCLK
206
DUPTD1
205
DUPRD1
MPEG/MICON/DSP/RF_AMP IC
IC4001
ZR36862PQCG
53
RAMADD(4)
54
RAMADD(3)
55
RAMADD(5)
56
RAMADD(2)
NC
2
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(DVD PCB)
W806
AFEGND
W834
B4018
VDDDAC
MMZ1608R102CT
VDDAFERF
VDDPWM
+1.8V
+3.3V
B4001
MMZ1608R102CT
(10mA)
0.1
C4007
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
0
GNDDACBS2
0
GNDDACP
R4001
1.6
RSET
1.6
820 +-1%
C/B/U
3.3
VDDDAC
1.6
Y/R/V
1.6
CVBS/C
3.3
160
A
VDDDAC
1.6
CVBS/G/Y
159
G
1.2
TP4019
Y/C
0
158
RFN
GNDDACD
0
GNDDACD
157
RFP
W836
1.6
C4034
GCLK
1.6
R4042
120
1
XO
X4001
1.8
VDDA
100BT02701
3.3
C4069_1
C4035 24P CH
27MHz
RESET#
0
6.3V
47
KA
GNDA
C4028
0.1 F
0
GNDP
3.3
C4027 0.1 F
VDDP
3.3
HOME
IDGPCI/O(2)
JG028
0
PM16
GPCI/O(31)
3.3
(MIC_DET)
DJTCK / ICGPCI/O(3) / VID(0)
NC
R4019
33
3.3
(DJTDO)
DJTO / GPCI/O(30) / VID(1)
R4020
33
0
I2C_CLK
DJTDI / GPCI/O(29) / VID(2)
R4021
33
0
I2C_DAT
DJTMS / GPCI/O(28) / VID(3)
1.8
C4030
0.1 F
VDDC
0
GNDC
0
(ICETCK)
R4069
GPCI/O(27)
3.3
(ICETDO)
TP4007
IDGPI/O(1)
3.3
(MUTEC)
ICGPCI/O(2)
3.3
(ICETMS)
TP4010
GPCI/O(26)
3.3
C4029
VDDP
3.3
(PM11)
JG021
ICGPCI/O(1)
0.1 F
0
GNDP
3.3
TP4017
R4073
33
HSYNC
3.3
TP4018
R4076
33
VSYNC
3.3
R4024
AIN
C4031
0.01 B
3.3
4.7K
VDDP-A2
1.7
IAMCLK
AMCLK
100
RAMDAT(14)
0
GNDP-A2
1.7
IABCLK
101
GNDP
ABCLK
1.6
IALRCLK
ALRCLK
102
RAMDAT(1)
0
JG024
GPAI/O
1.1
103
RAMDAT(15)
AOUT(0)
0
ASDATA1
TP4015
104
RAMDAT(0)
AOUT(1)
0
ASDATA2
TP4016
AOUT(2)
B4010
1.6
SPDIF
0
MIC_ON
MMZ1608R102CT
JG020
IDGPCI/O(0)
0
(PM1)
ICGPCI/O(0)
NC
0
GNDP
R4014
0
GPCI/O(20)
3.3
C4026
0.1 F
VDDP
100
101 102 103 104
B4006
MMZ1608R102CT
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D
E
F
D4001
1SS355
DUPTD1
3.3
5.2
LEVEL_CONVERT
Q4004
2SC2412K
2.9
B4002
(120mA)
MMZ1608R102CT
B4003
(250mA)
MMZ1608R102CT
B4005
(130mA)
MMZ1608R102CT
F
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
R4016
RESET
5P CH
100
C4081
0.1 F
HOME
ML
TP4004
MC
TP4006
MD
TP4005
TP4008
D1_2
4.7K
D1_1
TP4009
R4031
4.7K
I2CCLK
SYS_MUTE
W842
I2CDAT
R4035
4.7K
3.2
3.2
0
3.3
5
6
7
8
I2CDAT
SDA
SCL
WP
VCC
DUPRD1
I2CCLK
RX
3
M_GND
R4025
220
AMCLK
VCC+9V
GND
NC
NC
NC
P.CON+A5V
R4026
220
ABCLK
4
3
2
1
P.CON+5V
R4027
220
ALRCLK
0
0
0
0
R4058
220
ASDATA0
REG+3.3V +1.9V IC
C4098
4
SPDIF
IC4003
10P CH
R4071
BA33E00WHFP-TR
SPDIF
150
EN
VCC2
VCC1 GND
VO1
VO2
ADJ
R4081
8
1
2
3
4
5
6
7
0.8
3.9K +-1%
4.7K
5.0
3.6
3.6
0
3.3
1.8
TP4024
P.CON+3.3V
(250mA)
TP4023
UNREG+3.8V
TP4003
DIGITAL AUDIO SIGNAL(PB)
F
G
H
8
FROM/TO AUDIO/VIDEO
SYS_MUTE
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
ASDATA0
ABCLK
ALRCLK
AMCLK
7
MD
MC
ML
RESET
P.CON+A5V
P.CON+5V
GND
(GND,D_GND)
FROM/TO MOTOR DRIVE
TRAY_OPEN
6
TRAY_CLOSE
HOME
TOUT_SW
TIN_SW
DVD_CD
DRVSB
RF
OPU_A
OPU_B
OPU_C
OPU_D
OPU_E
OPU_F
VC
SPDL_SENS-
SPDL_SENS+
VR_DVD
VR_CD
5
DVD_LD
CD_LD
SPINDLE_PWM
SLED_PWM
TRACK_PWM
FOCUS_PWM
P.CON+A5V
P.CON+3.3V
VCC+9V
L4002
ADCIN_5
ADCIN_6
ADCIN_7
W5T29X7.5X19
M_GND
GND
(GND,D_GND)
C4104
FROM/TO REGULATOR1
0.001
B
4
DVD COMBO 250mm
CD4002
TP4012
TP4011
(CP8001)
C32B3303
GND(D)
1
GND(D)
2
TX
3
TP4013
RX
4
TP4014
GND(M)
5
W850
TP4020
P.CON+9V
6
L4001
TP4021
P.CON+A5V
7
C4066
2.2uH 0305
TP4022
UNREG+3.8V
8
TP4027
1
B
UNREG+3.8V
9
3
GND(A)
10
TP4028
SPDIF
11
UNREG+3.8V
2
PCB130
DME031
1
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
G
H
H-2