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SERVICE MANUAL
TM
DVD PLAYER
SD-4100KU
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.
C TOSHIBA CORPORATION 2008 Jan., 2008 GREEN
(*1) GREEN PRODUCT PROCUREMENT
The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling
and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of
certain Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any
marketing of new products containing the restricted substances.
Increasing attention is given to issues related to the global environmental. Toshiba Corporation
recognizes environmental protection as a key management tasks, and is doing its utmost to
enhance and improve the quality and scope of its environmental activities. In line with this,
Toshiba proactively promotes Green Procurement, and seeks to purchase and use products,
parts and materials that have low environmental impacts.
Green procurement of parts is not only confined to manufacture. The same green parts used in
manufacture must also be used as replacement parts.
(*2) LEAD-FREE SOLDER
This product is manufactured using lead-free solder as a part of a movement within the
consumer products industry at large to be environmentally responsible. Lead-free solder must
be used in the servicing and repair of this product.
WARNING
This product is manufactured using lead free solder.
DO NOT USE LEAD BASED SOLDER TO REPAIR THIS PRODUCT !
The melting temperature of lead-free solder is higher than that of leaded solder by 86 to
104 (30 to 40 ). Use of a soldering iron designed for lead-based solders to repair product
made with lead-free solder may result in damage to the component and or PCB being
soldered. Great care should be made to ensure high-quality soldering when servicing this
product-especially when soldering large components, through-hole pins, and on PCBs- as the
level of heat required to melt lead-free solder is high.
. Trouble Shooting Chart......................................................................1-1
. Block Diagram.................................................................................2-1
. Wiring Diagram..................................................................................3-1
. Electrical Circuit Diagrams
Front Board...................................................................................4-1
Power Board..................................................................................4-2
Main Board....................................................................................4-3
. PCB Print-layouts
Front Board...................................................................................5-1
Power Board.................................................................................5-2
Main Board....................................................................................5-3
. Set Mechanical Exploded view&Parts List............................. ..................6-1
...
. Technical Specifications.....................................................................7-1
. Revision List....................................................................................8-1
1-1 Trouble shooting chart
Spindle motor does not move
Motor no move
Go
Check the FFC connection No Correct connection
between 24P and the loader.
Yes
Check whether "RFA5V" No Check the RFA5V power
(+5V) voltage is normal. supply
Yes
Check whether laser voltage
No Check/Replace Q4 Q5.
(2.3V for DVD & 1.9V for CD)
on Collector of Q4 and Q5
Yes
1.Whether voltage on pin 97 of U2
varies between 0 and 3.3V (3.3V for No
CD and 0V for DVD), Check/ Replace U2.
2.Whether peripheral components
are eroded or badly soldered.
Yes
1. Check U2 pin89 FOCUS_PWM
No signals
Have no focus
2.If there are F+, F-, T+ and T-
signals output from U4.
Yes
FOCUS_PWN waveform
Check/Replace the loader
1-2 Trouble shooting chart
The power can not be on or off
The power can't be
on or off
Go
Check the power supply No
Repair the power board
on the power board is
normal.
Yes
Check if the CON2 on the
Check/Correct
power board to XP2 on the
No
Yes connection
decoder board is in good
contact.
Yes
Check if the xp1 on the No
decoderboard to XS600 on the Correct the connection
frontboard is in good contact
Yes
1-3 Trouble shooting chart
All output voltages on the power board is 0V or deviated.
All output voltages on
the power board is 0V or
deviated
Yes
Yes
Check whether
Replace F1
F1 is blown
No
Check whether there is Replace C1&C2 if D1, D2, D3, D4 are
No
300V on C1 or C2. normal.
Yes
Check whether 100KHz
No Check/ replace U1.
oscillating signal on
Pin6 of U1
U1(PIN 3 - RC waveform) U1(PIN 8 - Drain waveform)
Yes
Check if +5V, +12V are No Check whether U1 are eroded.
short.
Yes
Check whether the components in the
short-circuit voltage are defected or eroded.
Trouble shooting chart
1-4
Disc cannot be read.
Disc cannot be read.
Yes
No
Check the FFC connection
Check the loaded circuit
between 24P and the loader.
Yes
1.Check voltage on pin 97 of U2 varies
between 0 and 3.3V:
Check whether there is laser No 3.3V for CD
voltage (2.3V for DVD and 1.9V
0V for DVD
for CD) on Collector of Q4 &Q5
2.Check whether peripheral components
are eroded or defect
Yes
Check U2, U4, and No
peripheral components are Re-solder or replace the defective parts
eroded or badly soldered.
Yes
Check if there is RFO signal on
No
pin10 of XP7. (The normal RFO Check U1 and peripheral components
signal is a clear reticulated wave)
Yes
Check the connection No
Correct connection
between U2
Yes
Replace U2 or loader.
Trouble shooting chart
1-5
Only DVD disc or only disc except DVD can be played
Only DVD disc, or only disc
except DVD can be Played.
Go
Check the FFC No Check the loaded circuit
connection between
24pin and the loader.
Yes
Check laser voltage (2.3V) output Check the solder status on U2 and
No
on Collector of Q4 if pin87 of U2 is peripheral components
at low level.
Yes
Check whether there No
check if bad solder exist on U2 and
is voltage variance on
pin 88 of U2. peripheral components
Yes
Check whether pins of U2 and No
peripheral components are Replace the bad spare parts
badly soldered, defected
Yes
Check Q4 whether No
in good condition Correct connection
Yes
Change U2 or the loader.
1-6 Trouble shooting chart
No display on LED, and buttons do not work
No display on LED, and
buttons do not work
Yes
Check whether there is
No
correct contact between
XS600 and XP1
Correct connection
Yes
Check VCC(+5v) voltage No Fix power supply board top
on the power and front a power supply for should
board electric circuit
Yes
Check there are CS, DATA No Check the U2's pin 48,95,96 arrive
and CLK signals on XS600
the XP1 connect condition
on the front board.
XP1 (PIN 1 CLK) XP1 (PIN3 DOUT)
Yes
1.Check whether bad solder exists on
No
U600 and pins of LED,
2.Check whether the circuit connected to Correct connection
SW600,SW601,SW602 and SW603 is
broken,
3.Check whether R604,R605,R606 are
open-circuit.
Yes
Replace U600 or LED
Trouble shooting chart
1-7
Distorted audio and loud noise
Distorted audio and
loud noise
Yes
Check the power supply voltages
+12VA No
Check whether the output of
the power board is normal.If
abnormal ,change the power
board
Yes
Check whether R79
No
and R80 are normal Replace R79 and R80
Yes
Check whether the
No
muting transistor Replace Q9,Q11
Q9,Q11 are normal
Yes
Checking the U5 leads the No
feet has no to break to
open
Yes
No
Check whether the U1 or
U15 powersupply normal Check U15
Yes
Replace U2 or U15
Trouble shooting chart
1-8
Abnormal color of video picture
Abnormal color of
video picture
Yes
Check whether the No
Check Y2, R28, C31 and C33
27MHz output signal
Yes
Check whether the 3.3V No
and 1.8V power supply Check other of power supply electric
voltages on the decoder circuit
board are normal.
Yes
Check whether the
No
video filter network Correct the connection
circuit is normal.
Yes
No
change U2
1-9 Trouble shooting chart
Remote reception is insensitive or fails.
Remote reception is
insensitive or fails.
Go
Check if the remote No Check battery
control works properly.
Yes
Check if the power supply No
voltage to the remote censor Check L2
is normal
Yes
Use an oscilloscope to check if there is
No
output waveform from the first pin IR of the
IR600 (PIN1 - RC waveform)
remote censor after pressing button on the
remote control.
Yes
Check if there is IR Yes
Change U2
signal on pin 49 of U2
IR waveform
No
Correct connection
Trouble shooting chart
1-10
No video picture, no sound.
No video picture,
no sound.
Check whether all the voltages No
from the power board to the Check the loaded circuit CVBS(R1 point) waveform
decoder board are normal.
Yes
Check if the reset circuit consisting
No
of CE3, D6 and R21 is normal (at a
Change CE3, D6 and R21.
high level for tens of milliseconds,
then constantly at 3.3V).
27Mhz waveform
Yes
Crystal oscillator Y2 and
Check whether there is
No
peripheral components
27MHz signal output.
are defected or eroded.
Yes
No
Check if there is 135MHz Check whether
short-circuit or bad
signal output on R31.
solder on U1,U3
SDRAM(R31 PCLK) waveform No
Yes
Check if short-circuit and
Check U2.
bad solder exist on Pin
60
No
Yes
Yes
Reconnect the component in
2-1 2-1
A B C D E
ID
SD-4100KU (2CH+S_VIDEO BLOCK DIAGRAM) AC IN
S_Y S_C Pr Y COAX R
CON1
4 4
P3 Pb CVBS L
P1 P2
(TCL)TDM-2 + IM S76R FS
U5
AUDIO
VIDEO LPF&DRIVE AMP&LPF
24
DVD LOADER
XP7
POWER
24PIN*0.5
1 1
SUPPLY
U2
XS201
3PIN*2.5
ZR36966XE
3PIN*2.5
XP2
U3 16M
3 3
1
SDRAM
1 3 3
6PIN*2.0
MOTER DRIVER
AM5888S
U4
XP8
XP6 4P*2.0
6
U1
1 8M FLASH
XP9
5PIN*2.0
XP1 6PIN*2.0
XP5 4P*2.0
5 1 6
MAIN BOARD
MP-1
2 2
6 1
XS600
6PIN*2.0
LED/KEY&LED ET6202
1 1
A B C D E
3-1 3-1
A B C D E
SD-4100KU (2CH+S_VIDEO WIRING DIAGRAM) AC IN
S_Y S_C Pr Y COAX R
4 4
P3 Pb CVBS L
P1 P2
(TCL)TDM-2 + IM S76R FS
U5
AUDIO
VIDEO LPF&DRIVE AMP&LPF
24
DVD LOADER
XP7
POWER
24PIN*0.5
1 1
SUPPLY
U2
+5V
GND XS201
3PIN*2.5
ZR36966XE
+12V 3PIN*2.5
XP2
U3 16M
3 3
1
SDRAM
SP-
1 3 3
6PIN*2.0
SP+
MOTER DRIVER
AM5888S
U4
XP8
SL-
XP6 4P*2.0
SL+
6
U1
1 8M FLASH
LOAD+
LOAD- XP9
TROUT 5PIN*2.0
GND
TRIN XP1 6PIN*2.0
XP5 4P*2.0
5 1 6
MAIN BOARD
DATA
LED_5V
IR
GND
CS
CLK
MP-1
2 2
6 1
XS600
6PIN*2.0
LED/KEY&LED ET6202
1 1
A B C D E
4-1 4-1
A B C D E
C602 B1 CE601 C2 LED600 D2
C600 A2 CE600 B1 C607 D2
C606 C2 C601 A2 C608 D2 Front Board Electric Diagram for SD-4100KU
R610 C2 R609 C1 C609 D2
R611 C2 C603 B2 C610 D2
R612 D2 C604 B2 SW601 D2 5V
IR600 R600 100R
R613 D2 C605 B2 SW603 D2 5 3
GND VCC
D600 C2 R600 B1 IR600 B1 GND 2
IR
4 GND IR 1
D601 C2 R601 B1 SW600 D2 C602 + CE600
REM
R604 B1 R602 B2 SW602 D2 0.1uF
R605 B1 R603 B2 47uF
R606 B1 X13 D4
R607 C2 XS600 A2
1 R608 C2 U600 C1 1
5V
R609
R604 R605 R606
4.7K 4.7K 4.7K 51K
U600
VSDA R601 100 ET6202
1 OSC GND 28
2 27 GRID1
VSCK R602 100 DI/O GRID1 GRID2
3 CLK GRID2 26
XS600 4 STB GND 25
R607 10K R610 1K 5 24 GRID3 LED
IR VSTB R603 100 R608 10K R611 1K KEY1 GRID3 GRID4 LED600
1 6 KEY2 GRID4 23
5V 7 22 GRID1 1 12 SEG6
2 GND C603 C604 C605 SEG1 VDD GND 5V SEG3 DIG.1 F SEG2
3 8 SEG1/KS1 VDD 21 2 C B 11
VSDA SEG2 9 20 SEG8 3 10 GRID2
4 VSTB 100P 100P 100P SEG3 SEG2/KS2 SEG14/GRID5 DP DIG.2 SEG1
5 10 SEG3/KS3 SEG13/GRID6 19 A 9
VSCK SEG4 11 18 SEG5 4
6 CE601 SEG5 SEG4/KS4 SEG12/GRID7 SEG4 E GRID3
12 SEG5/KS5 SEG10/KS10 17 5 D DIG.3 8
C606 + SEG6 13 16 SEG7 6
CON6(2.0) SEG7 SEG6/KS6 SEG9/KS9 SEG8 GRID4 G
14 SEG7/KS7 SEG8/KS8 15 7 DIG.4
C601 C600 0.1u
47uF
47pF 0.1uF
SW601
R6121K OPEN/CLOSE
2 1N4148 D600 KS1 4 3 2
1 2 KEY2
1N4148 D601 R613 1K KS2
SW602 STOP
SW600 STANDBY 4 3
4 3 1 2
1 2
KEY2 SW603 PLAY/PAUSE KEY1
4 3
KEY1 1 2
C607 C608
C609
NC/100pF NC/100pF C610
NC/100pF
NC/100pF
3 3
4 4
A B C D E
4-2 4-2
A B C D E
C11 C3 D4 A1 L6 B1 F1 A1
Power Board Electric Diagram for SD-4100KU R2 B1 L2 C2 P3 A1 x2 D4
F1 TR1 U3 B3
T2AL/250ac NTC 10&20
R3 B1 CON2 E2 P2 A1
P3 R8 B3 RV1 A1 CN1 A1 U1 A2
D1 D2
1N4007 1N4007 R9 C3 C3 D1 CON1 A1
1
2
L1 R4 D2 C1 B1 T1 B1
+
R7 D3 C2 B1 D5 C1
AC INPUT
2
+
CON1 R5 D2 C6 C2 D7
CN1 AC INPUT
C2
+
RV1 680uH R11 B2 CY1 B3 D8 B2
1
AC INPUT
+
1 10K471 + C1 + C2 1
D3 D4 R13 B2 C9 A2 TR1 A1
1N4007 1N4007 10uF/400V(250V/450V) 15uF/400V(250V/450V) R10 C2 C5 A2 C14 C2
1
1
D1 A1 C8 D2 R1 C2
P2 D2 A1 L1 B1 U2 B3
L6
D3 A1 C7 C2 D10 C2
T1 EEL19
5
D5 C3
+
FR102
C5 R2 R3 10uF/50V CON2
4 6
152/1KV 1/4W120K 1/4W120K 6 -22V
5 GND
7 4 +12V
3 3 GND
R4 2
D8 D7 + C6 +5V
9 1 +5V
IN4007 FR102 1/6W10k
47uF/25V
6X2.5 HEADER
C9 8
104/50V
2 D10 SR360/SR340 2
12
R11
11 R1 C14 L2
NU NU 6.8uH
4
3
2
1
10 + +
1/6W22 C7 C8
BP/M
EN/UV
Drain
NC
1000uF/16V 470uF/16V
U1
TNY176/177 R5
R10 1/6W12K 1%
1/6W100
S
S
S
S
R13
1/6W100k
5
6
7
8
4
1
R8
U2 1/6W1k
PC123X92
C11 R9
0.1uF/63V 1/6W10k