Zenith ZDA311 Support Question
Zenith ZDA311 Support Question
Find answers below for this question about Zenith ZDA311 - Slim Progressive Scan DVD.Need a Zenith ZDA311 manual? We have 1 online manual for this item!
Question posted by hamlett1234 on July 27th, 2018
Load Cd
disc will not get past a slow scan and fast spin. will not play music. what's up?bqty
Current Answers
Answer #1: Posted by BusterDoogen on July 27th, 2018 10:16 AM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,447
Member since:
October 30th, 2011 Points: 28,565,447
Cleaning a CD or DVD drive on a laptop is easy -- probably the easiest of any drive. Unlike desktop drives, car/vehicle CD players, or DVD players/recorders, the laser lens and assembly is not buried within a pile of metal and plastic that must be unscrewed and dismantled.
Most modern laptop/notebook DVD burners are built "backwards" from their desktop counterparts. The laser assembly is visible on the slide-out tray. In fact, the tray itself is really the DVD burner -- the rest of the "drive" is just brackets and screws to hold everything in place, with some sort of spring/latch to keep it firmly in place when in use.
Most modern laptop/notebook DVD burners are built "backwards" from their desktop counterparts. The laser assembly is visible on the slide-out tray. In fact, the tray itself is really the DVD burner -- the rest of the "drive" is just brackets and screws to hold everything in place, with some sort of spring/latch to keep it firmly in place when in use.
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Related Zenith ZDA311 Manual Pages
Service Manual - Page 1
SERVICE MANUAL
Product Type: DVD VIDEO PLAYER Chassis: DP9 (MD) Manual Series: ZDA-311 Manual Part #: 3829RHN004T Model Line: D Product Year: 2005
Model Series:
ZDA-311
Printed in U.S.A
CONTENTS
Summary 1 Cabinet & Main ...
Service Manual - Page 5
... assembly into which should be removed for potential shock reasons prior to applying power to this DVD and/or any internal electrical
plug or other safety precautions.
8. Caution : Be sure no... not remove a replacement ES device from a carpeted floor can be damaged easily by this DVD or any electrostatic charge on a conductive surface such as the brushing together of your clothes fabric...
Service Manual - Page 6
... x 2 2.0 Vrms (1 KHz, 0 dB), 600 Ω, RCA jack (L, R) x 1 0.5 V (p-p), 75 Ω, RCA jack x 1
Semiconductor laser, wavelength 650 nm PAL / NTSC DVD (PCM 96 kHz): 8 Hz to 44 kHz DVD (PCM 48 kHz): 8 Hz to 22 kHz CD: 8 Hz to 20 kHz More than 100 dB (ANALOG OUT connectors only) Less than 0.02% More than 95...
Service Manual - Page 11
...) Circuit DIAGRAM 3-26 2. MAIN P.C.BOARD ...3-38 2. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION 3-14 7. SMPS P.C.BOARD ...3-42
3-1 SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL...3-30 4. System operation flow ...3-3 3. TRAY OPEN/CLOSE SIGNAL 3-12 4. SPINDLE CONTROL WAVEFORM(NO DISC CONDITION 3-17 10. SERVO Block Diagram ...3-23 4. MPEG & MEMORY Block Diagram 3-24 5. Test...
Service Manual - Page 13
...
YES
Receive CLOSE Key?
3-3
NO SLED Moves to Closed position
YES SLED at Inner Side ? Write RISC code to related disc reading procedure
YES Recieve OPEN/CLOSE Key? Judge whether have disc and disc type 2. Jump to SDRAM 3. Execute Pressed Key & IR Key 2. System operation Routine Loop
1. 2. Reset RISC
Show LOGO
YES Tray...
Service Manual - Page 15
... connection to TV set. Does Tray move inside when NO it is suitable or not.
YES
Normal LOAD+ & LOAD-
Check the Tray control IO pins on Motor driver.
3-5 MT1389D VIDEO outputs NO properly?
YES
Check the load OPEN & CLOSE switch
Normal TRCLOSE &
NO
TROPEN signal?
YES
SDRAM works properly? YES
NO
Flash Memory...
Service Manual - Page 16
.... YES
Proper F+ & F- NO YES
Check the amp circuit on
properly?
YES
Motor Driver STBY Pin is at outer
NO
position? YES
Do not put in disc and tray close. B
Does the SLED move to motor driver?
C
Check cable connect on
to inner side when it is NO High?
motor driver. SL...
Service Manual - Page 17
....
3-7
Check DMSO related circuit on
MT1389D?
YES
Check LDO1 & LDO2 signal
Does spindle rotate? C
Laser turns on laser power transistor
Put disc in? Check the related circuit on when reading disc?
YES
NO
LD01 or LD02 output properly? NO
Check the laser power circuit on NO
MT1389D
YES
SP+ & SP-
YES
Collector...
Service Manual - Page 18
... head. YES
Check the related circuit on MT1389D
Check the TRSO connection on motor driver. YES
NO
Normal TEO Signal on MT1389D and motor driver. Disc is play ? D
Focus ON OK? YES
Check FEO signal on MT1389D
NO
Check the FOSO connection on
NO
MT1389D?
Service Manual - Page 19
... &
NO
MT1389D is normally?
YES
NO
Audio DAC received
NO
correct data stream? TEST END
Check the cable connection on MT1389D. E
Normal Audio output when disc playback?
Service Manual - Page 23
SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)
FMSO(1.9V/1.4V/1.1V) STBY(3.3V) SL+(4.2V/2.8V/1.2V) SL-(4.2V/2.8V/1.5V) FIG 4-1
5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)
FIG 5-1 3-13
FOSO(1.5V/1.4V/1.3V) F+(3.2V/2.7V/2.2V) F-(3.2V/2.7V/2.2V) 4.
Service Manual - Page 24
LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)
DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V MDI1(0V/180mV) LD01(3.3V//2.3V) LD02(3.3V/2.3V)
FIG 6-1
7. DISC TYPE JUDGEMENT WAVEFORM
F+ FE RFL
FIG 7-1(DVD) 3-14 6.
Service Manual - Page 31
Overall Block Diagram
CVBS
3-21
DISC
SPINDLE
M MOTOR
PICK UP
LOADING SLED MOTOR(FEEDING)
MOTOR
MM
DVD : A,B,C,D,RF0 CD : A,B,C,D,E,F,RF0 MDI1
LD01,LD01,V20
PICK_SEL, VR_CD,VR_DVD
ROMAD[0: 19] ROMRD RROOMMDWARTA[0:7]
V33AIC502 MX29LV800T/B
1M 8BIT FLASH ROM
VD18A/VD33A
VD33D
IC503 1M
16BIT SDRAM
...
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