DOWNLOAD Sharp DV-NC60H (serv.man12) Service Manual ↓ Size: 151.56 KB | Pages: 14 in PDF or view online for FREE

Model
DV-NC60H (serv.man12)
Pages
14
Size
151.56 KB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Troubleshooting
File
dv-nc60h-sm12.pdf
Date

Sharp DV-NC60H (serv.man12) Service Manual ▷ View online

44
DV-NC55S/H
DV-NC60H
FLOW CHART NO.1
Is the supply voltage of 5V fed to pin(14) and pin
(38) of IC5001?
Check the PC 5V line.
Is the supply voltage of -19V fed to pin(27) of
IC5001?
Check the PC -22V line and Q8202.
Is there 500kHz oscillation at pin(44) of IC5001?
Check R5014-5, IC5001 and their periphery.
Check the signal lines of FIP DA, FIP CK, FIP CS 
of IC5001 and IC504.
Check or replace IC5001 and IC504.
FLOW CHART NO.2
Is key switch contact and installation state normal?
Replace key switch.
Is the control voltage normally into the pins(95)
and (96) of IC504?
Are the filament voltage applied between (1), (2)
and (31), (32) of the fluorescent display tube?
Also negative voltage applied between these pins 
and GND.
Check the power circuit, D5004 and Q8203.
Check the fluorescent display tube and its periphery?
Check that the fluorescent display tube is free from 
damages such as crack.
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
The fluorescent display tube does not light.
The key operation is disabled.
KEY-1/2
3.3V
2.5V
1.8V
0.9V
0V
KEY–2
KEY–1
OFF
S5003
STOP
S5002
PLAY
Check AT 5V line.
Replace the remote control receiver.
FLOW CHART NO.3
Operation is possible from the DVD, but no 
operation is possible from the infrared remote
control.
Replace the remote control receiver or replace the
remote control transmitter is necessary.
Is 5V voltage supplied to the pin(3) terminal of
remote control receiver?
Check the line between the remote control receiver 
and the pin(10) of IC8201.
Is the "L" pulse sent out pin(1) terminal of receiver 
when the infrared remote control is activated?
Is pulse signal supplied to the pin(10) of IC8201?
Check the line between the remote control receiver 
and the pin(32) of IC504.
Replace IC504.
Replace IC8201.
Is pulse signal supplied to the pin(32) of IC504?
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
No operation is possible from the infrared remote control.
FLOW CHART NO.4
Is the signal from the pins(70) and (69) of IC504
input into the pins(1) and (28) of IC7701?
Check the LD-RVS/FWD signal line between 
IC7701 and the IC504.
Check AT 8V line.
Is 8V voltage applied to the pin(8) of IC7701?
Check for mechanism and gear engagement and breakage.
No
Is FE signal inputted into the pin(150) of IC701?
Check or replace IC701.
Check the line between the IC301 and IC701.
Is loading motor drive voltage output from the 
pins(9) and (10) of IC7701?
Is the loading motor drive voltage applied to the 
terminal of loading motor?
Check the line between the IC7701 and the 
loading motor.
FLOW CHART NO.5
Does the optical pickup move up and down after 
the disc is removed?(Checking of symptom.)
See FLOW CHART NO.6<The [No Disc] indication.
(In case focus servo does not function.)>
Replace IC301.
Is there input signal on the pins(52), (53), (54) and 
(55) of IC301?
Is FE signal output to the pin(21) of IC301 when 
the disc is set?
Check the connection of optical pickup cable.
If it is normal, replace the optical pickup.
No
No
No
No
No
Replace IC7701.
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
The disc tr
a
y
 cannot be opened and closed.
The [No Disc] indication.
 (In case of f
ocus error)
11.
 TR
OUBLESHOO
TING
(D
VD)
45
DV-NC55S/H
DV-NC60H
FLOW CHART NO.6
Is the focus control signal output from the pin(158) 
of IC701?
Check the pins(10) and (11) of IC701 periphery 
circuit. If it is normal, replace IC701.
Check the line between the IC7701 and the focus
actuator.
Check AT 8V line.
Is 8V voltage applied to the pin(8) of IC7701?
Check the pin(21) of IC7701 and replace IC7701.
Is the focus control signal from the pin(158) of 
IC701 input into the pin(23) of IC7701?
Check the focus control signal line between 
the IC7701 and IC701.
Is the focus control drive voltage output from the 
pins(17) and (18) of IC7701?
Is the focus control drive voltage applied to the
terminal of focus actuator?
Check the connection of optical pickup cable.
If it is normal, replace the traverse chassis unit.
FLOW CHART NO.7
Check the A_5V line.
Is the Q303(LD POWER CTL) drive output to the
pin(46) of IC301? (Checking of symptom.)
Is 5V voltage applied to the emitter of Q303?
Is approx. 2V applied to the pin(3) of the pickup 
terminal? (See note.)
Check the connection of optical pickup cable.
If it is normal, replace the traverse chassis unit.
Check the line between the Q303 and pickup 
terminal.
Check the line between the pin(46) of IC301 and 
the base of Q303.
FLOW CHART NO.8
Check the loading switch.
Check for contamination of objective lens of 
optical pickup.
Replace traverse chassis unit.
Do you have done disk loading by normality?
See FLOW CHART NO.9 and NO.10.
Set the disc on the disc tray.
Replace the main PWB unit.
Is the level of RF signal which is output from
pins(29), (30) of IC301, normal?
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
The [No Disc] indication.
 (In case f
ocus ser
v
o
 does
not function.)
The [No Disc] indication.
 (When the laser beam 
does not light.)
Both picture and sound do not oper
ate nor
mally
.(1)
Note: Since the laser diode is very susceptible to static 
          electricity, be careful of static electricity or electricity 
          leak from the measuring equipment when confirming 
          the voltage.
FLOW CHART NO.9
Check the PC 5V line.
Set the disc on the disc tray.
Are the video signals outputted to the pins of main
unit connector CN802, CN803?
CN803  1PIN  CVBS/Y
CN802  3PIN  Y/CR
CN802  5PIN  C/CB
Check the main unit.
(IC601, Q201, Q202, Q203 periphery circuit.)
Check the parts C2003, C2007, C2008 and the 
lines between them.
No
No
No
No
No
Check parts C2016, Q2002 periphery circuit and the 
line between them.
No
Check the line between pin(7) of IC2004 and pin(6) 
of IC1206.
Check C1201, C1206, Q2003, Q2002 periphery 
circuit and the lines between them.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Picture do not oper
ate nor
mally
.
Are the video signals shown above input into
the pins of IC2001?
IC2001    2PIN  CVBS
IC2001  11PIN  S-Y
IC2001    4PIN  S-C
Are the video signals shown above input into
the pins of terminal?
IC1206    6PIN  CVBS
IC1201    6PIN  S-Y
IC1202    6PIN  S-C
Are the video signals outputted into the pin of 
terminal?
IC1206    2PIN  CVBS
IC1201    2PIN  S-Y
IC1202    2PIN  S-C
Are the video signal outputted to each pins of
IC2001?
IC2001  27PIN  CVBS
IC2001  18PIN  S-Y
IC2001  25PIN  S-C
Is 5V applied to the pins(1) and (28) of IC2001?
Replace IC2001.
No
No
No
No
Yes
Yes
Is 5V applied to the pin(6) of IC2004?
Replace IC2004.
Check the DVD_H line.
Are the DVD_H line at pin(2) of IC2004 on "L" 
level?
Yes
Replace IC1201, IC1202 and IC1206.
Is 5V applied to the pin(3) of IC1201, IC1202 and 
IC1206.
No
No
No
No
No
Are the video signals shown above outputted into
the pins of output terminal?
Are the composite video signals outputted to the 
VIDEO OUT terminal (J1202)?
Are the luminance signals outputted to the 
S-OUT terminal (J1201)?
Are the chroma signals outputted to the 
S-OUT terminal (J1201)?
Are the CVBS video signal shown above input 
into the pin of terminal?
IC2004    1PIN  CVBS
Check the VIDEO OUT terminal (J1202) and the 
line between the pin(2) of IC1206 and the VIDEO 
OUT terminal (J1202).
Check the S-OUT terminal (J1201) and the line 
between the pin(2) of IC1201 and the S-OUT 
terminal (J1201).
Check the S-OUT terminal (J1201) and the line 
between the pin(2) of IC1202 and the S-OUT 
terminal (J1201).
Are the video signal outputted into the pin of 
terminal?
IC2004    7PIN  CVBS
Yes
46
DV-NC55S/H
DV-NC60H
FLOW CHART NO.10
Set the disc on the disc tray.
Are the digital audio interface signals outputted 
to the pins of main unit connector CN801?
CN801  3PIN  AMCLK
CN801  4PIN  ABCLK
CN801  5PIN  ALRCLK
CN801  6PIN  AOUT0
Check the main unit. (IC601 periphery circuit.)
Check the line between the pins of main unit
connector CN801 and the pins of IC6001.
CN801 3PIN 
 IC6001  5PIN AMCLK
CN801 4PIN 
 IC6001  3PIN ABCLK
CN801 5PIN 
 IC6001  1PIN ALRCLK
CN801 6PIN 
 IC6001  2PIN AOUT0
No
No
Yes
Yes
Yes
Sound do not oper
ate nor
mally
.
Are the digital audio interface signals inputted 
to the pins of IC6001?
IC6001  5PIN  AMCLK
IC6001  3PIN  ABCLK
IC6001  1PIN  ALRCLK
IC6001  2PIN  AOUT0
Check the PC 3.3V line and PC 5V line.
Is 3.3V applied to the pin(7) and 5.5V applied to the 
pins(10), (15) and (19) of the IC6001?
Are the audio interface signals outputted to the 
pins of IC6001?
IC6001  16PIN  L OUT
IC6001  13PIN  R OUT
No
No
No
No
Check or replace IC6001.
Yes
Check the PC 9V line.
Is 9V applied to the pin(8) of IC6004?
No
Check or replace IC6004.
Yes
Are the system control interface signals outputted 
to the pins of main unit connector CN801?
CN801  10PIN  ADAC DA
CN801  11PIN  ADAC CK
CN801  12PIN  ADAC L
CN801  16PIN  RSTO I
Check the main unit. (IC504 periphery circuit.)
Check the line between the pins of main unit
connector CN801 and the pins of IC6001.
CN801  10PIN 
 IC6001  26PIN  ADAC DA
CN801  11PIN 
 IC6001  27PIN  ADAC CK
CN801  12PIN 
 IC6001  28PIN  ADAC L
CN801  16PIN 
 IC6001  22PIN  RSTO I
No
No
Yes
Yes
Yes
Yes
Are the audio interface signals inputted to the 
pins of IC6004?
IC6004  3PIN  L OUT
IC6004  5PIN  R OUT
Check the line between the pins of IC6001 and the 
pins of IC6004.
IC6001  16PIN 
  IC6004  3PIN  L OUT
IC6001  13PIN 
  IC6004  5PIN  R OUT
Are the audio interface signals outputted to the 
pins of IC6004?
IC6004  1PIN  L OUT
IC6004  7PIN  R OUT
Yes
Are the system control interface signals inputted 
to the pins of IC6001?
IC6001  26PIN  ADAC DA
IC6001  27PIN  ADAC CK
IC6001  28PIN  ADAC L
IC6001  22PIN  RSTO I
*1
*2
*3
Check the DVD-H line and Q6010.
No
Replace IC6010.
Yes
Is 9V applied to the pin(16) of IC6010?
Are the audio interface signals outputted to the 
pins of IC6010?
IC6010  15PIN   L OUT
IC6010  14PIN   R OUT
No
No
Are the pins(9), (10) and (11) of IC6010 on "L" level?
Yes
Yes
Yes
Yes
Yes
Yes
No
Are the audio interface signals inputted to the pins 
of IC6010?
IC6010    2PIN   L OUT
IC6010  12PIN   R OUT
Check the line between the pins of IC6010 and the 
pins of IC6004 and the sound mute periphery 
circuit.(Q6007-8.)
IC6004  1PIN 
  IC6010    2PIN  L OUT
IC6004  7PIN 
  IC6010  12PIN  R OUT
No
No
No
No
No
Are the audio interface signals inputted to the pins 
of IC6011?
IC6011   3PIN   L OUT
IC6011   5PIN   R OUT
Check the line between the pins of IC6010 and the 
pins of IC6011.
IC6010  15PIN 
  IC6011    3PIN  L OUT
IC6010  14PIN 
  IC6011    5PIN  R OUT
No
Are the audio signals input to the pins of IC2501?
IC2501   2PIN   L OUT
IC2501   1PIN   R OUT
Check the line between the pins of IC2501 and the 
pins of IC6011 and the sound mute periphery circuit 
(Q6011-12).
IC6011    1PIN 
  IC2501    2PIN  L OUT
IC6011    7PIN 
  IC2501    1PIN  R OUT
Check the line between the pins of IC701 and the 
pins of IC2501
IC701  18PIN 
  IC2501  22PIN  ST SCL
IC701  17PIN 
  IC2501  21PIN  ST SDA
Yes
No
Are the audio signals output to the pins of IC2501?
IC2501 42PIN   L OUT
IC2501 43PIN   R OUT
Is 5V and 12V applied to the pins of IC2501?
IC2501  PIN(24) & (29)
  AT5V
IC2501  PIN(4) 
  AT12V
No
Is 9V applied to the pin(8) of IC6011?
Replace IC6011.
Is DEC A_Mute at pin(9) of IC2501 LOW?
Check the AT5V and AT12V line.
Are the ST SCL and ST SDA inputted to the pins
(22) and (21) of IC2501 respectively?
Check the DEC A_Mute line between pin(96) of 
IC701 and pin(9) of IC2501.
Yes
Yes
No
Replace IC2501.
No
Yes
Yes
Are the audio interface signals outputted to the 
pins of IC6011?
IC6011  1PIN   L OUT
IC6011  7PIN   R OUT
Are the audio signals output to the specific 
outputted terminals?
Is the DVD audio signal (L) output to the 
AUDIO OUT (L) terminal (J1202)?
Is the DVD audio signal (R) output to the 
AUDIO OUT (R) terminal (J1202)?
Check the AUDIO OUT (L) terminal (J1202) and 
the line between the pin(42) of IC2501 and the 
AUDIO OUT (L) terminal (J1202).
Check the AUDIO OUT (R) terminal (J1202) and 
the line between the pin(43) of IC2501 and the 
AUDIO OUT (R) terminal (J1202).
No
No
Are the audio signals output to the specific 
outputted terminals?
Is the DVD audio signal (L) output to the DVD 
AUDIO OUT (L) terminal (J1204)?
Is the DVD audio signal (R) output to the DVD 
AUDIO OUT (R) terminal (J1202)?
Check the DVD AUDIO OUT (L) terminal (J1204) 
and the line between the pin(16) of IC6001 and the 
DVD AUDIO OUT (L) terminal (J1204).
Check the DVD AUDIO OUT (R) terminal (J1204) 
and the line between the pin(13) of IC6001 and the 
DVD AUDIO OUT (R) terminal (J1204).
*1
*2
*3
47
DV-NC55S/H
DV-NC60H
FLOW CHART NO.1
Is the supply voltage of 5V feed to pin(7) of IC5101?
Check STBY 5V line.
Is the supply voltage of –20V feed to pin(1) of IC5101?
Check STBY –20V line.
Is it possible to confirm signals FIP CS, FIP OE, 
FIP DATA, and FIP CLK on the pins(2), (3), (4) 
and (5) of IC5101?
Check signal line between IC701 and IC5101.
Are grid and segment signals supplied to the 
indication tube (DG5101) from the indication tube 
driver IC (IC5101)?
Replace IC5101.
FLOW CHART NO.2
Does the key switch make good contact, when the 
cassette tape is inserted?
Check switch contact.
Is there the function control voltage inputted at the 
pins(87) and (88) of IC701?
Is supply filament voltage feed between pin(1)/(2) 
and (31)/(32) of the flourescent display tube?
Check power circuit and D9701.
Check the periphery of fluorescent indication tube 
and main block.
Check that the fluorescent indication tube is free 
from damages such as crack.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Check or place the peripheral circuit of IC701.
YES
The VCR flourescent display tube fails light up.
Key-in input is not received.
FLOW CHART NO.3
Operation is possible from the VCR, but no 
operation is possible from the infrared remote 
control.
Is the supply voltage of 5V feed to pin(3) terminal 
of remote control receiver?
Check AT 5V lines.
Is "L" pulse sent out pin(1) terminal of receiver 
when the infrared remote control is activated?
Replace the remote control receiver or replace the 
remote control transmitter if necessary.
Is inputted "L" pulse to pin(5) of IC701?
Check line between at remote control receiver thru 
to pin(5) of IC701.
Replace IC701.
NO
NO
NO
YES
YES
YES
YES
No operation is possible from the infrared remote control.
FLOW CHART NO.5
Does the start sensor pulse at pin(79) of IC701 
change from "L" to "H" level when the cassette 
tape is loaded?
Check line start sensor and all the way up thru to 
pin(79) of IC701.
Does the end sensor pulse at pin(85) of IC701
change from "L" to "H" level when the cassette 
tape is loaded?
Check line end sensor and all the way up thru to 
pin(85) of IC701.
Does the master cam mode shifteroperate 
normally when the cassette tape is loaded?
Check cam switch (A), (B) and all the way 
up thru to pins(7), (6) of IC701.
Replace IC701.
NO
NO
NO
YES
YES
YES
A cassette tape is taken in, but ejected at once.
FLOW CHART NO.6
Does the capstan motor start when the EJECT 
button is pressed?
See FLOW CHART NO.8.
<The capstan motor fails to run.>
Does the take-up reel disk turn when the capstan 
motor is running?
Check reel disk and reel drive unit.
Are pulses applied at pin(2) of IC701 when the 
take-up reel disk is turning?
Check take-up reel sensor and all the
way up thru to pin(2) of IC701.
Replace cassette cam, gear, etc.
NO
NO
NO
YES
YES
YES
Is a "H"(about 4.7V) level applied at pin(12) of 
IC7002 when a reel pules has been inputted?
Check pin(90) of IC701.
NO
YES
Is the voltage about 10V sent out of pin(15) of IC7002? 
Check IC7002.
NO
YES
Is the specified voltage applied at the loading 
motor terminal? 
Check between IC7002 and all the way up thru to 
the loading motor.
NO
YES
Dose the loading motor run? 
Replace loading motor.
NO
YES
The cassette tape fails to eject.
(VCR)
FLOW CHART NO.4
Is "L" level applied at pin(19) of IC701.
Are start sensor shutter go to openwhen the 
cassette tape is inserted?
Check start sensor shutter.
Does pin(79) of IC701 change from "H" to "L" 
level when the cassette tape is inserted?
Check line start sensor and all the way up thru to 
pin(79) of IC701.
NO
NO
YES
YES
YES
Does pin(11) of IC7002 go to a "H"(about 4.7V) 
level when the cassette tape is inserted?
Check line pin(93) of IC701 and all the way up 
thru to pin(11) of IC7002.
NO
YES
Does pin(13) of IC7002 change to about 10V when 
the cassette tape is inserted?
Check IC7002.
NO
YES
Is the specified voltage (about 10V) applied at the 
loading motor terminal when the cassette tape is 
inserted?
Check between IC7002 and loading motor.
NO
YES
Replace loading motor.
Check R717.
NO
A cassette tape is not take in.
Page of 14
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Sharp DV-NC60H (serv.man12) Service Manual ▷ Download

  • DOWNLOAD Sharp DV-NC60H (serv.man12) Service Manual ↓ Size: 151.56 KB | Pages: 14 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp DV-NC60H (serv.man12) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp DV-NC60H (serv.man12) DVD. Information contained in Sharp DV-NC60H (serv.man12) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.