a) Check supply voltages on ICs pins.
b) Check oscillation frequency and level.
c) Check reset signal and power voltage rise time.
d) Check Flash ROM address and data bus.
e) Check SDRAM address and data bus, CLK and
other control signals waveform.
f) Check EEPROM CLK and data line.
* Compare the above with OK condition
Module.
21.2. Initialisation and Playability
ProblemsChecking PointsChecking Components
1) No DVD logo screen saver.a) Check supply voltages (3.3V and 1.2V).
2) Picture black and white only.a) Check C (Chroma) signal if using Composite
3) Distorted picture and abnormal
sound is heard during initialisation.
4) No TOC/ Long TOCa) Check motor driver circuitry (voltages).
5) Disc not spinning.
6) Traverse not moving.
7) Traverse and spindle abnormal
movement.
8) Cannot read disc but spindle is
spinning
- Cannot read CD
- Cannot read DVD
9) Block noise during play.a) Check SDRAM address and data bus signal.
10) DVD Audio no audio outputa) CPPM key download NG, check test point for
11) No audioa) Check audio signal
b) Check video signals especially Luminance, Y
signal.
c) Check SDRAM, EEPROM and Flash ROM
for solder short.
S-Video.
b) Check P
a) Check SDRAM address and data bus, CLK
and other control signals waveform.
b) Check video signals.
c) Check audio DAC circuitry.
* Compare the above with OK conditoin
Module.
b) Check laser drive circuitry (voltages and
current).
c) Check LSI connection to motor drive circuitry.
* Compare the above with OK condition
Module.
a) Check connection from Backend Module to
Traverse Unit.
b) Check motor driver circuitry on voltages and
control signals.
* Compare the above with OK condition
Module.
a) Check laser drive circuitry (voltages and
current).
- Check CD laser drive.
- Check DVD laser drive.
* Check voltages and LD current and
compare with OK Module.
* Compare the above with OK conditoin
Module.
CPPM key download.
b) Check EEPROM.
* Check test point damaged or broken
pattern.
IC8421(5.1 ch), IC8420(2.1 ch)
b) Check audio DAC control signals.
c) Check Zero Flag and A-Mute signal.
* Compare the above with OK condition
Module.
and Prsignal if using Component.
b
IC8111, IC8651, IC8001, IC8051, IC8151
X8621, C8621, C8622, R8621, R8622
IC8601
IC8651
IC8051
IC8611
* Check for solder short and/or component
missing/damaged.
IC8111, IC8151
LB8301, R8321, R8322
IC8051, IC8611, IC8651
LB8302
LB8304, LB8305
IC8051
LB8301, R8321, R8322, LB8302, R8325, R8326
IC8421
* Check for solder short and/or component
missing/damaged.
IC8251
Q8550, Q8551, Q8552, Q8560, Q8561, Q8562
IC8001
* Check for solder short and/or component
missing/damaged.
FP8251, FP8531, IC8251
M+9V=FP8101(PIN 5/7), IC8251(PIN21)
* Check for solder short and/or component damaged.
1ST_SWIStock Switch for CRS1
2CCWOCRS1 Motor CCW
3CWOCRS1 Motor CW
4HOMEIHOME Switch for CRS1
5CAM_SENSORIClose Switch for CRS1
6F_HOPOF_HOP for Digital amplifier
7WIDE_SURROWide Surround
8BYTEIBYTE
9CNVSS/ EFP_CNVSS-Flash Mode Terminal
External Interrupt I/P
18RMTIRemocon Input
19SYNCIAC Failure Detect
20PLUNGEROPLUNGER for CRS1
21PLAY_SWIPlay Switch for CRS1
22UD_SENSORIUD Sensor for CRS1
23BOTTOM_SWIBottom Switch for CRS1
24N.C.-No Connection
25N.C.-No Connection
26PLL_CEOPLL Chip Select
27TU-SDISignal Detect Input from
TUNER
28TU_ST/DOITUNERIFData/Stereo
Input
29PLL_DATOPLL DATA-DI Input of
TUNER
30PLL_CLKOPLL TUNER Clock Signal
31EFP_TxD1OTransmit signal for flash
micro-p
32EFP_RxD1OReceive signal for flash
micro-p
33EFP_SCLKOClock signal for flash micro-
p
34EFP_BUSYOBusy signal for flash micro- p
35DVD_CMDOCMD signal for the DVD
Module
36DVD_STAISTATUS signal from the
DVD Module
37DVD_CLKICLK signal for the DVD
Module
38EEP_DATO/I DATASignalforthe
EEPROM
39EEP_CLKOCLOCK Signal for the
EEPROM
40EEP_CSOCHIP SELECT Signal for
the EEPROM
41EFP_EPMOFor Flash
42FLD_RSTOReset signal for the FL
Driver
43FLD_CSOLatch Signal for the FL
Driver
Pin No.MarkI/OFunction
44FLD_DATOData input for the FL Driver
45FLD_CLKOClock Signal for the FL
Driver
46EFP_CEFor Flash
47WIDEOS-video output control
48ASP_DATODATA signal for 6ch ASP
49ASP_CLKOCLOCK signal for 6ch ASP
50DVD_MUTEISignal from DVD module
control mute circuit
51N.C.-No Connection
52KA_CSOKaraoke Latch
53KA_DATOKaraoke Data
54KA_CLKOKaraoke Clock
55MUTE_LOMute control of Line Out
56MUTE_DAODigital Amplifier Mute Signal
57MUTE_HPOHead Phone Mute signal
58MUTE_COCenter Control Mute Signal
59MUTE_SOSurroundControlMute
Signal
60MUTE_SUBOSubwoofer Control Mute
Signals
61MUTE_AOFront Control Mute Signal
62Vcc-POWER SUPPLY (5V)
63N.C.-No Connection
64Vss-Ground (0V)
65SP_AOControl Speana IC’s Port A
66SP_BOControl Speana IC’s Port B
67SP_COControl Speana IC’s Port C
68DVD_PCONTOControl Signal for the Power
for the DVD MODULE
69DC_DETISignalfromtheDC
Detection circuit
70PCONTOControl Signal for the power
Control Relay
71RECODeck Recording Control
(Recording = L)
72HALF1IHalf switch signal from
DECK1
73MODE1IMode switch signal from
DECK1
74MTRODeck Motor Control
(L=OFF; H=ON)
75JOG_BISignal B from Volume JOG
76JOG_AISignal A from Volume Jog
77N.C.-No Connection
78DECK1_HOHigh when Deck1 playback
head is selected
79PLUNGER1ODeck1 Plunger Control
(L=OFF; H=ON)
80PLUNGER2ODeck2 Plunger Control
(L=OFF; H=ON)
81MODEL_CSITo select Model when
power on
(VK750=H; VK850/950=L)
82SSEQOSSEQ-2 Control
83N.C.-No Connection
84N.C.-No Connection
85LEDOLED Control
86REG1ITuner Region Setting 1
87REG2ITuner Region Setting 2
88REG3ITuner Region Setting 3
89PHOTO_1IRotation Detection Signal
92-94KEY1-KEY3IKey 1 to key 3 line input
95SPE_ADISignal from Speana IC’s
96AVss-ANALOG POWER SUPPLY
97DVD_CSIDVD Region Settting
98Vref-REFERENCEVOLTAGE
99AVcc-ANALOG POWER SUPPLY
100OPEN_SWIOpen Switch for CRS1
OUT port
INPUT
INPUT
INPUT
114
eiVdedolpxE 42
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manual de servicio SC-TM910DVD
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manual de servicio SC-TM910DVD
TRAVERSE DECK
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manual de servicio SC-TM910DVD
FOR THE EXPLODED VIEW CD MECHANISM
PLS REFER TO CRS1 SERVICE MANUAL.
TRAVERSE DECK
358RFKNCT121157SPINDLE MOTOR ASS’Y[M]
358-1RXQ0632TRV MOTOR UNIT[M]
358-2XQN17+C28FJSCREW[M]
359RDG0455TRAVERSE GEAR (A)[M]
360RDG0456TRAVERSE GEAR (B)[M]
361RXQ0999OPU UNIT[M]
362RMM0218TRAVERSE DRIVE RACK[M]
363SNSD38-1SCREW[M]
364RMS0757-1FIXED PIN[M]
365RMG0703-RFLOATING RUBBER[M]
366RME0109FLOATING SPRING[M]
367XTN2+6GFJSCREW[M]
368RMRX0064MIDDLE CHASSIS[M]
369RAE0157A-VTRV UNIT WITHOUT SERVO[M]
2
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manual de servicio SC-TM910DVD
R(noitacoLstraPmsinahceMkceD .2.4
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1-31
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manual de servicio SC-TM910DVD
A7
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manual de servicio SC-TM910DVD
910DVD
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910DVD
M
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A
S
059
S
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-
B
S
059
C
P
-
B
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A7
59
S
P-
B
S
BS
0
59C
-
P
0
PLUG PARA RCA/
JACK 3.5
S
EUR7662YM0
SJA168-1A
RQTM0144-1
RSA0007-L
ND1AAAA00002
K2KA2CA00011
KM19201-01
T
910DVDM
-
A
M
GPR
1-
6020
N
142
manual de servicio SC-TM910DVD
T-B
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ID0601M
910DVD
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M910DVD
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RPGM0211
25 Replacement Parts List
143
manual de servicio SC-TM910DVD
Notes:
••Important safety notice:
nents identified by
Compo
Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise
rs), etc are used.
(resisto
n replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
Whe
••The parenthesized indications in the Remarks columns specify the areas or colour. (Refer to the cover page for area or colour)
Part
s without these indications can be used for all areas.
••Warning: This product uses a laser diode. Refer to caution statements on “Precaution of Laser Diode”.
••Capacitor values are in microfarads (µF) unless specified otherwise, P= Pico-farads (pF), F= Farads.
••Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM).
••The marking (RTL) indicates that the Retention Time is limited for this items. After the discontinuation of this assembly in
ion, the item will continue to be available for a specific period of time. The retention period of a availability is dependent
product
on the type of assembly, and in accordance with the laws governing part and product retention. After the end of this period, the
assem
bly will no longer be available.
••[M] markings in the Remarks columns indicates parts supplied by PAVCSG.
••[SPG] markings in the Remarks columns indicates parts that are supplied by PAVC.
••Reference for O/I book languages are as follows:
Ar:ArabicDu:DutchIt:ItalianSpSpanish
Cf:Canadian FrenchEn:EnglishKo:KoreanSw:Swedish
Cz:CzechFr:FrenchPo:PolishCo:Traditional Chinese
Da:DanishGe:GermanRu:RussianCn:Simplified Chinese
Pe:PersianUr:Ukraine
mark have special characteristics important for safety.