Toshiba 20SLDT1 User manual

SERVICE MANUAL
LCD TV/DVD COMBINATION
DOCUMENT CREATED IN JAPAN, March, 2007 GREEN
20SLDT1
FILE NO. 810-200716GR
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
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MPEG/MICON/DSP/RF_AMP
D2
MT1389DE/H-L
OPU
SPINDLE/
STEPING/
SLED
MOTOR
FLASH 16M
D008
MX29LV160BBTC-70G
RF_A, B, C, D, E, F
MD/RFO
DVD LOADER
SL265WR
DVD/CD, DVD_LD, CD_LD
Motor Drive
D001
BA5954
TR+/-, F+/-
SP+/-, SL+/-
V1P4/FMO/FOO
TRO/STBY/DMO
5V
Motor Drive
D7
BA6287F
LOAD+/- TROPEN/TDO
5V
3.3V, 1.8V
DVD BLOCK DIAGRAM
AA0~AA21
AD0~AD7
PWR#, REW#, PRD#
MA0~MA11
DQ0~DQ15 64M SDRAM
D009
HY57V641620ETP-H
SD3.3V
3.3V
LCD BLOCK
DVD_TRIP
STABY_1
VIDEO
DVD_IR
AUDIO L
AUDIO R
ZERO
STEREO DAC
D02
PCM1742E/2K
DVD Y
DVD C
MC, MDD
SBCK, SLRCK
SACLK, ASDATA0
5V
F-1
E
F-2
DVD/CDPD
DBA0, DBA1, DQM0, DQM1 SDCLK, SDCKE, DCS#, DRAS#, DCAS#, DWE#
DVD_MENU
DVD POWER
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SCALER/LVDS/VIDEO BLOCK DIAGRAM
SCALER
U4
MST718BE
14
19
17
JP2
VGA
6
5SDA
SCL
124
125
EEP_ROM
U16 24C02
31
12
9
7
HD Y
HD PB
HD PR
DVD Y
DVD PB
DVD PR
15
14
12
10
7
6
13
5
3
9
8
2
1
GDDCC
GVS
GDDCD
GND
GND
GND
GHS
GND
VGA_BLUE
+5V
GND
VGA_GREEN
VGA_RED
+5V
3
6
10
2
5
11
SWITCH
U17
ADG794
Y
PB
PR
4
7
9
1
120
121
Y1
14.31818MHz
DBA3/LVACKM
DBA2/LVACKP
87
86
DBA1/LVA3M
DBA0/LVA3P
85
84
DGA2/LVA0P
94
DGA1/LVA1M
DGA0/LVA1P
92
93
DBA4/LVA2P
88
DGA3/LVA0M
95
DBA5/LVA2M
89 LCD PANEL
AV2 VIDEO
32 24 22 30 28
TV TUNER CVBS S-VIDEO Y S-VIDEO C AV1 VIDEO
SW
F-3 F-4
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AUDIO
SW IC
U26
BU4052
AUDIO BLOCK DIAGRAM
TV TUNER TV L/R
AUDIO IC
U11
BD3888
DVD_A_R
DVD_A_L
5V
L
R
L
R
PC-AUDIO IN
18
17
MAX_L
MAX_R
15
16
1
12
AV1_AUDIO_IN_R
AV1_AUDIO_IN_L
YPBPR_AUDIO_IN_R
YPBPR_AUDIO_IN_L
AV2_AUDIO_IN_R
AV2_AUDIO_IN_L
4
11
13
14
25
26
AMP_ROUT
AMP_LOUT
PHONE R
PHONE L
ROUT
LOUT
SPEAKER SPEAKER
5
14
2
15
13
3
JP9
EARPHONE
1
15
AUDIO AMP
U9 TDA7266SA
4
12
71
AUDIO AMP
U6 NJM4580
6
2
PHONE R
PHONE L
F-5 F-6
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POWER BLOCK DIAGRAM
F-7 F-8
12V
POWER SUPPLY
LV1
U7
IRF7304
U9
TDA7266
U5
MC7809
U604
MP1583DN
LV3
U11
BD3888
U603
LD29080DT50
U6
NJM4580
TVF1
U26
74LV4052
U17
ADG794
U605
TPS60400
U2
IRF7304
U26
74LV4052
U6
NJM4580
U3
MP1583DN
U1
LD29080DT50
U16
IS24C02B
U8
AMC1117-2.5
U34
BR24L16F
U4
MST718BU-LF
U30
LD29080DT33
U4
MST718BU-LF
U13
PS25LV040
U4
MST718BU-LF
L2
12V_SW
5VSTB
VCC_DVD
9VA
PWM33 5V6_DCDC
L1
+2.5V
+3.3V
VCC_PANEL
-5VB
5VA
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