DOWNLOAD Sony AVD-K600P Service Manual ↓ Size: 9.16 MB | Pages: 85 in PDF or view online for FREE

Model
AVD-K600P
Pages
85
Size
9.16 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
avd-k600p.pdf
Date
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17
AVD-K600P
3. SERVO CIRCUIT
(1) Unstable Video in PB MODE
Unstable Video in
PB Mode.
Does the Noise level of the
screen change
periodically?
Do the CTL pulses appear
at the IC501 Pin97?
Is adjusting the height of
the CTL Head accurate?
Readjust the height of the
CTL Head.
Replace the IC501.
Refer to “When the Y signal
doesn’t appear on the
screen in PB Mode”.
Does the CFG waveform
appear at the IC501
Pin87?
On tracking do the CTL
pulses move?
Does the Video Envelope
waveform appear at the
IC501 Pin9?
Replace the  IC501.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
(2) When the Drum Motor
(2) 
doesn’t run.
Do the DFG Pulses appear
at the PMC01 Pin11?
Replace the Cap M.
Aren’t the foil patterns and
the Components between
IC501 Pin 90 and PMC01
Pin11 short?
Replace the IC501.
Refer to “(2)
No 12VA of Power section”
Do the Drum PWM Pulses
appear at the IC501
Pin76? 
Aren’t the foil patterns and
the Components between
IC501 Pin76 and PMC01
Pin12 short?
Do the DFG Pulses appear
at the IC501 Pin90?
Do the Drum PWM Pulses
appear at the IC501
Pin76?
Aren’t the connecting patterns and the Components
between IC501 Pin76 and PMC01 Pin12 short?
When the Drum Motor
doesn’t run,
Does 12V appear at the
PMC01 Pin8?
Does 2.8V appear at the
PMC01 Pin12?
Check the connector
(PMC01) and the Drum 
Motor Ass’y.
NO
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
18
AVD-K600P
Does the CFG signal appear at the
PMC01 Pin1?
Does the PWM signal appear at the
IC501 Pin77?
Is “DRUM CTL”  2.8V appear at the
PMC01?
Check the PMC01 and the Capstan
Motor Ass’y.
Does the Capstan PWM signal appear at
the IC501 Pin77?
Aren’t the foil patterns and Components
between IC501 Pin77 and PMC01
Pin9 short?
Does the CFG signal come into the
IC501 Pin87?
Aren’t the foil patterns and Components
between IC501 Pin77 and PMC01
Pin9 short?
(3) When the Capstan Motor doesn’t run,
NO
NO
NO
YES
YES
YES
When the Capstan Motor doesn’t run,
Does 12VA appear at the PMC01?
YES
Replace the IC501.
YES
NO
NO
YES
Refer to “SMPS(CAPSTAN/12Volt)
Trouble Shooting”.
Aren’t the foil patterns and component
between IC501 Pin87 and PMC01
Pin1 short?
Check the Capstan Motor Ass’y.
NO
19
AVD-K600P
4. OSD CIRCUIT
(1) No OSD display.
(2) I
2
C BUS CHECK
KEY doesn’t working.
Is 5V applied to the IC501
Pin79?
Does LED or FLD change
when a function button is
pressed? 
No OSD or F.OSD display.
Is 5.3V applied to the
IC501 Pin53?
Does oscillation occur at
the IC501 Pins44, 45?
Replace the IC501.
The I
2
C waves don’t
come out.
Does Power appear at the
Pull up impedence
(R569, R507)?
Replace the IC501.
Refer to “SMPS 5.3VA
Trouble Shooting”.
Replace the defective 
switches.
Refer to “SMPS 5.3VA
Trouble Shooting”.
Check or Replace the phe-
ripheral Circurity.(L511,
R518, C596, C595)
Refer to “SMPS 5.3VA
Trouble Shooting”.
YES
YES
YES
YES
NO
NO
NO
NO
NO
(4) KEY doesn’t working
20
AVD-K600P
5. Y/C CIRCUIT
(1) No Video in EE Mode,
No Video in EE Mode
Does the Video signal
appear at the IC302
Pins1, 5?
Is there 5V at the IC302
Pin6?
Replace the IC302.
Does the Video signal
appear at the IC301
Pins28, 30, 32?
Is REG 5.0V applied to the
IC301Pins23, 44, 45, 52, 68,
77?
Does the Video signal
appear at the IC301 Pin26?
Does the Video signal
appear at the IC501 Pin52?
Does the Video signal
appear at the IC602 Pin7?
Check the REG 5V Line.
(Power Circuit)
Is I
2
C BUS signal applied to
the IC301 Pins53, 54, 55?
Replace the IC301.
Check the path of the sig-
nal between the IC301 Pin
26 and IC501 Pins50, 52.
Is there 5V  on the plus
terminal of the C614?
Check the REG 5V Line.
(Power Circuit)
Replace the IC602.
Check the System Circuit.
(Refer to ‘SYSTEM I
2
C BUS
CHECK Trouble Shooting’)
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
Check DVD Video Input
(IC602, Pin4), Tuner Video
Input (TU701 Pin16), Line
Video Input (JK601),
respectively.
NO
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