Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA DVD SD-240E sd240e_cd_979
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FILE NO. 810-200420I
SERVICE MANUAL
DVD VIDEO PLAYER
SD-240ESB
SD-240ESE
SD-240ESR
May, 2004 A
CONTENTS
1. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
Printed Wiring Board and Schematic Diagram
2. BLOCK DIAGRAMS
MPEG & Display Block Diagram
Power Supply Block Diagram
3. CIRCUIT DIAGRAMS
Power Supply Circuit Diagram
(Terminal Voltage Lists)
SDRAM Circuit Diagram
RF & Driver Circuit Diagram
Audio & Video Circuit Diagram
Flash & SRAM I/F Circuit Diagram
Power & AV Output Circuit Diagram
Scart Circuit Diagram
Front Display, Power Switch & Power LED Circuit Diagram
4. PC BOARDS
Scart PC Board
Load motor PC Board
Power Supply PC Board
Power Switch PC Board
Front Display PC Board
Main PC Board
5. IC BLOCK DIAGRAMS AND IC PINS DESCRIPTION
6. PARTS LIST
7. EXPLODED VIEWS
8. SPECIFICATIONS
SCART
CN701
11
10
9
8
7
6
5
4
3 CVBS_G_Y/OUT 3
2
1 CVBS_SCART
C_B_U/OUT
Y_R_V/OUT
FLAT WIRE
SSCART-L
SCART-R
2mm 12P
RGB-SW
W701
F-SW
GND
GND
GND
11
10
9
8
7
6
5
4
2
1
W1 J5
FFC 9P
P+5V 1 P+5V
DIN/DOUT 2 DIN/DOUT
STB 3 STB
CN1 CLK 4 CLK J7
READY 5 READY
IROUT 6 IRIN
GND 7 GND
STB+ 5V 8 STB+5V
ON/STBY 9 ON/STBY
Mechanism W1
FFC 0.5mm 24P
1 GND-LD 24
2 DVD-LD 23
3 NC 22
FRONT 4 HFM 21
5 MD 20
6 CD-LD 19
7 VR-DVD 18
8 VR-CD 17
9 NC 16 MAIN
10 E 15
11 VCC 14
PUH 12 VC(VREF) 13 J1
13 GND/PD 12
14 F 11
15 B 10
16 A 9
CN2 17 RF 8
18 CD/DVD_SW 7
5
4
3
2
1
19 D 6
FLAT WIRE
20 C 5
2mm 5P
POWKEY
POWKEY
POWLED
21 T- 4
B+5V
GND
W2
22 T+ 3
23 F+ 2
24 F- 1
W3
5
4
3
2
1
CN3 FFC 2mm 6P
1 MOT_SPDL- 6
2 MOT_SPDL+ 5
3 MGND 4
TRAY 4 HOMESW 3 J3
POWER SW 5 SLED- 2
6 SLED+ 1
J2 J6
1
2
3
4
5
1
2
3
4
5
6
7
8
FFC 2mm 5P
FLAT WIRE
2mm 8P
ON/STB
OUTSW
LOAD+
LOAD-
W801
INSW
PD5V
5VSB
+12V
GND
GND
GND
-12V
W2
NC
5
4
3
2
1
1
2
3
4
5
6
7
8
CN801
VKK-20V 1
F- 2
MOTOR POWER CN802 F+ 3
GND 4
Printed Wiring Board and Schematic Diagram
Block Diagrams
MPEG & DISPLAY BLOCK DIAGRAM
IRRCV SCART-L
FPC-DOUT AMCLK
J1 FPC-CLK ML U9 LMATN-OUT
24P-HEAD FPC-STB 12CCLK PCM1742 RMAIN-OUT
12CDAT
15 E RFINN SCART-R
11 F RFINP
10 B RFA-SDEN
9 A RFA-SDATA
RFA-SCLK
6 D AAF-CE C.B.U CVBS SCART
5 C U5 AAF-FE CVBS C/OUT
ZR36707 Y.R.V C SVIDEO
AAF-TE
CVBS.C U10 Y SVIDEO
AAF-PI
13 Laser MD BA7660FS
SVREF15 CVBS_G_Y Y RCA
4 LINK CB RCA
3 SPDIF CR RCA
DEFECT U1 COAX SPDIF
MIRR ZR36768
2 LDON
1
DSPVCC33 MEMAD[20:0]
MEMAD[15:0]
J2 R57 OPEN
1 TACT- MEMCS0-
2 TACT+ MEMCS1-
R56 U12
3 CLOSE MEMWR- SST39VF800
4 MEMRD-
5 FACT+ 12CCLK
FOCUS DAC 12CDAT
OPEN/CLOSE FACT-
SLE PWM RESET
TRACK DAC
SPINDLE PWM MEMORY
J3
6 SLED- U6
BA5954
5 SLED+
4 HOMESW CN3 CN2
3 1 1
2 MOT SPDL+ Q1,Q2 2 2
1 MOT SPDL- LED1 3 3
U3 U4
4 4
K4S161622C-TC/L70 K4S161622C-TC/L70 LED DISPLAY
SLED&SPINLE MGND 5 5
SDRAM SDRAM
2 17 7
18 REMOTE
KEY IC IC2
6 PT831T 10 SENSOR
PT6961
MATRIX MT1
J6 1
2 4 5 9
MAIN POWER 9 11 12 13
J7 CN1
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
POWER SUPPLY BLOCK DIAGRAM
T802 E+9V
D821,C821
ON/STB
Q823-24
TRANS RECTIFIER
SMOOTHING 9V/SW A+12V
D827,42
D801-04,C805
RECTIFIER +5VSB
D822,C822
SMOOTHING
Q826
RECTIFIER
SMOOTHING 5V/SW PD+5V
Q802
C801-04 CONTROL IC
T801
D823,C823
AC FILTER D807,C809 D831-34,41,Q827,29
RECTIFIER
RECTIFIER SMOOTHING -20V REG/SW VKK-20V
SMOOTHING
R856,DZ801,C833
VOLTAGE REDUCE
& FILTER
A-12V
Q821 Q822
PHOTO
ERROR AMP
COUPLER
AC100-250V
50/60Hz
CIRCUIT DIGARAMS
Power Supply Circuit Diagram
Terminal Voltage Lists
AC120V 60Hz IN
Q822 Q823 Q824 Q826
K G A E C B E C B E C B
OFF 4.27v 2.50v 0v 14.35v -1.27v 14.32v 0v 14.33v 0v 0.48v 5.49v 0v
ON 4.33v 2.50v 0v 10.08v 10.07v 9.32v 0v 0.11v 5.36v 5.26v 5.48v 6.10v
PLAY 4.34v 2.50v 0v 10.25v 10.24v 9.49v 0v 0.11v 5.40v 5.12v 5.48v 5.98v
Q827 Q829
E C B E C B
OFF -50.80v 0v -35.80v 0.25v -35.76v 0v
ON -19.77v -19.73v -19.09v 0.66v -15.13v 0v
PLAY -20.05v -20.01v -19.36v 0.65v -15.51v 0v
SDRAM Circuit Diagram
C1 L1 2.7uH
TP1
FB1 FBR 220pF R1 150
.
DSPVCC33
FB2 FBR OSCIN
FB3 FBR
1
SPDL_SENS DEFECT C2 22pF
WATCHDOG
DEFECT MIRR C6 C7 C8 FB4
MIRR
TACT_OFFSET
SPINDLE_PWM
0.1uF + C3 0.1uF + C4 0.1uF + C5 R2
FACT_OFFSET
FBR
LINK
RFA_SDATA
FPC_DOUT
392R/1%
TRACK_DAC
SLED_PWM
FOCUS_DAC
100uF/16V 100uF/16V 100uF/16V Y1 27.000MHz
FPC_DOUT 100K
RFA_SCLK
FPC_CLK
RFA_SDEN
SVREF15
FPC_CLK IRRCV
VBIASS1
AAF_CE
AAF_TE
AAF_FE
AAF_PI
RFINP
IRRCV FPC_STB
RFINN
FPC_STB C_B_U C9 22pF
Y_R_V C11 OSCOUT
CVBS_C
R3
0.1uF + C10
CVBS_G_Y
100uF/16V
DSPVCC18
DSPVCC33
208
207
206
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
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
VGND
U1
JP1
SSCTXD/GPCIO16
ICGPCIO6
DEFECT/IDGPCIO5
VBIASS1
VBIASS0
ADCIN0
ADCIN1
ADCIN2
ADCIN3
ADCIN4
ADCIN5
ADCIN6
ADCIN7
VDDDAC
GPCIO159/[ICGPCIO7]
RFINN
RFINP
DACDRIVE[1]
DACDRIVE[0]
CVBS/C/[Y]
SSCCLK/GPCIO47
SPINDLEDPULSE/IDGPCIO7
SLEDPULSE/IDGPCIO6
PWMCO[6]/GPCIO152/[IDGPCIO4]
PWMCO[5]/GPCIO46
PWMCO[4]/GPCIO45
PWMCO[3]/GPCIO44
PWMCO[2]/GPCIO43
PWMCO[1]/GPCIO42
PWMCO[0]/GPCIO41
PWMACT[1]/GPCIO40
PWMACT[0]/GPCIO39
GNDAFES
VDDAFES
GNDAFERF
VDDAFERF
GNDDACDS
VDDDACS
GNDDACPS
GNDDACBS2
GNDDACP
Y/R/V/[C]
GNDDACD
VDDP
GNDP
VDDC
GNDC
RSET
C/B/U
CVBS/G/Y
VDDPWM
GNDPWM
CN2.54MM2P-M(RESET button)
2
1
1 156 DUPTD1
FPC_DIN MEMCS1- SSCRXD/GPCIO[17] DUPTD1/GPCIO38 DUPRD1 DUPTD1
2 155
MEMCS1- MEMCS[1]#/GPCIO[18] DUPRD1/GPCIO37 DUPRD1
3 VDDP 154
MEMAD15 VDD-IP DUPTD0
4 MEMAD[15]/PLLPROG[0] 153
MEMAD16 DUPTD0/GPCIO36 DUPRD0 DUPTD0 TP3 M5V R4 100K
5 MEMAD[16]/PLLPROG[1] 152
MEMAD14 DUPRD0/GPCIO35 DUPRD0
.
6 MEMAD[14]/PLLPROG[2] GNDP 151
MEMAD13 7 150
MEMAD12 PLLCFGA MEMAD[13]/AFETESTEN GPCI/O[139]/[IDGPCIO3] OPEN VR_SEL
1
8 MEMAD[12]/[PLLCFGA] 149
MEMDA15 GPCI/O[34] OUTSW OPEN
9 MEMDA[15] 148
MEMAD11 PLLCFGP GPCI/O[137]/[ICGPCIO5] CLOSE OUTSW C12 R5
10 MEMAD[11]/[PLLCFGP] 147
MEMDA7 GPCI/O[33] INSW CLOSE U2A
11 MEMDA[7] 146
GPCI/O[135]/[ICGPCIO4] INSW
8
12 145 DRVSB R6 NC 1K
MEMAD10 GNDP GPCI/O[32] DRVSB 47K
13 MEMAD[10]/[TESTMODE] VDDP 144 3 +
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