Sony AVD-K700P / HT-V700DP Service Manual ▷ View online
29
AVD-K700P
D
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Focus ON OK?
Track On OK?
Disc is play?
E
Proper
signals on A, B, C,
D of MT1336
Check connections between
MT1336 and pick-up head.
MT1336 and pick-up head.
Proper FEO signal
on MT1336?
Proper FEO signal
on MT1336?
Check the related circuit
on MT1336 FEO sugnal .
on MT1336 FEO sugnal .
Check the related
circuit on MT1336
circuit on MT1336
Properly TRSO signal
on MT1379?
T+ & T- output
properly?
Check the TRSO connection
on MT1379 and motor dirver.
on MT1379 and motor dirver.
Check the tracking control
amp circuit on motor driver.
amp circuit on motor driver.
Check cable connection on
pick-up head.
pick-up head.
Check RF signal waveform.
Check FEO connection
between MT1336 and MT1379
between MT1336 and MT1379
30
AVD-K700P
E
NO
YES
YES
YES
NO
NO
Normal
Audio output
when disc playback?
TEST END
Audio
DAC received
correct data stream?
Normal
Audio DAC
out? (IC206)
Check Audio filter, amplify, mute
circuit. (IC205 Application circuit)?
circuit. (IC205 Application circuit)?
Check connection between MT1379
& Audio DAC. (Check ARCK, ALRCK
ACKL, ASDAT3)
& Audio DAC. (Check ARCK, ALRCK
ACKL, ASDAT3)
Check the related circuit of
Audio DAC. (Check Audio
out Pins 8, 5)
Audio DAC. (Check Audio
out Pins 8, 5)
31
AVD-K700P
3. AUDIO
µ
-COM Circuit(DVD & AMP)
YES
Does CD/DVD appear
at FLT?
at FLT?
Does CD/DVD appear
at FLT?
at FLT?
OK
Does Loading appear
at FLD?
at FLD?
POWER ON
YES
YES
YES
Does no Dise or Time
appear at FLD?
appear at FLD?
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Does it appear DVD Error
at FLD?
at FLD?
Reconnet it.
Refer to SMPS.
Refer to oscillator Circuit.
Check DVD Reset
Waveform.
Waveform.
Check IC101 Reset
Waveform.
Waveform.
Check 3.3V line.
Check Power dection
Circuit.
Circuit.
NO
Check Connector (DVV01)
if is normally.
if is normally.
Check power part of Main
B/D.
B/D.
Check oscillator of X101.
Check if PN102 is high.
Check if IC101 Pin53
is high.
is high.
Check if IC101 Pin9, 36,
59 is high(5V).
59 is high(5V).
Check if IC101 Pin49
is high.
is high.
Replace IC101.
NO
NO
Check if DVD an Audio
Micom Insert is OK.
Micom Insert is OK.
Check Power.
YES
Check DVD Module.
YES
Check SMPS.
YES
YES
YES
YES
YES
YES
YES
YES
YES
32
AVD-K700P
SECTION 3
MECHANICAL ADJUSTMENT
• Fixtures and Tools for Service
1. Cassette Torque Meter
SRK-VHT-303(Not SVC part)
Part No:D00-D006
Part No:D00-D006
4. Torque gauge adaptor
Part No:D09-R001
5. Post height adjusting driver
Part No:DTL-0005
6. + Type driver (ø5)
2. Alignment tape
Part No NTSC:DTN-0001
PAL:DTN-0002
PAL:DTN-0002
3. Torque gauge
600g.Cm ATG
Part No:D00-D002
Part No:D00-D002
SRK
VIDEO
CASSETTE
TORQUE
METER
VHT-303
S
R
K
-
V
H T
- S
SR
K - V H T - T
300
250
200
150
50
0
300
250
200
150
50
0
100
3-1. VIDEO MECHANISM DECK SECTION
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