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Model
DVP-F5 DVP-FX1
Pages
122
Size
23.56 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-f5-dvp-fx1.pdf
Date

Sony DVP-F5 / DVP-FX1 Service Manual ▷ View online

7-1
DVP-F5/FX1
SECTION 7
ELECTRICAL ADJUSTMENT
In making adjustment, refer to 6-4. Adjustment
Related Parts Arrangement.
This section describes procedures and instructions necessary for
adjusting electrical circuits in this set.
Instruments required
1)
Color monitor TV
2)
Oscilloscope 1 or 2 phenomena, band width over 100 MHz,
with delay mode
3)
Frequency counter (over 8 digits)
4)
Digital voltmeter
5)
Remote controller for adjustment
RMT-D100E (1-475-086-31) or
RMT-D101J
(1-475-219-11) (1-475-219-21)
6)
DVD standard disk
HCX510
HCX511
7)
Extension Cable
(J-6090-101-A)
7-1. POWER SUPPLY BLOCK
(TP-61 Board)
1. Power Supply Check
Checking method
1)
Input 10 Vdc in De IN and confirm that each voltage satisfies
the specifications.
2. 5V Power Supply Adjustment (TP-61 Board)
Mode
E-E
Instrument
Digital voltmeter
13 V Check
Instrument
JL1103
Specifications
13 V
REG 7.5 V Check
Instrument
JL1104
Specifications
7.5 V 
± 0.1 V
−5 V Check
Instrument
JL1106
Specifications
−5.0 V ± 0.1 V
−12 V Check
Instrument
JL1107
Specifications
-12.0 V 
± 0.1 V
Adjustment method
1)
Input 10 Vdc in DC IN.
2)
Connect the digital voltmeter to JL1105.
3)
Adjust RV1101 to attain 5.05 
± 0.01 V.
3. Charge Voltage Adjustment (MB-90 Board)
Connection
Mode
CHG “30” is forced to be set in test mode
Measurement Point
Between JL501 3 and JL503 #
Instrument
Digital voltmeter
Adjustment element RV501
Specifications
8.43 V 
± 0.05 V
Voltmeter
+
105
JL501
JL503
Adjustment method
1)
Input 10 Vdc in DC IN.
2)
Adjust RV501 to attain 8.43 V 
± 0.05 V.
4. Over Discharge Battery Protective Circuit Check
(MB-90 Board)
Connection
Checking method
1)
Confirm that the voltage between JL501 3 and JL503 # is
7.0 
± 0.5 V.
Voltmeter
+
105
JL501
JL503
Mode
E-5
Measurement Point
JL1105
Instrument
Digital voltmeter
Adjustment element
RV1101
Specifications
5.05 V 
± 0.01 V
Mode
“32” 
→ “31” in test mode
(charge operation OFF)
Measurement Point
Between JL501 3 and JL503 #
Instrument
Digital voltmeter
Specifications
7.0 V 
± 0.5 V
7-2
Mode
TEST DISK HLX510 Title 2
Signal
Color bars
Measurement point
J352 S-terminal Y output
(terminated at 75
Ω)
Instrument
Oscilloscope
Specifications
1.00 
± 0.05 Vp-p
Checking method
1)
Play back TEST DISK HLK510 Title2.
2)
Confirm that the S-Y level is 1.00 
± 0.05 Vp-p.
Fig. 7-2
1.00 
± 0.05 Vp-p
2. S-terminal Y Output Check (MB-90 Board)
Purpose
This checks S-terminal video output Y.  If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector of the S-terminal input.
7-2. SYSTEM CONTROL ADJUSTMENT
(TP-61 Board)
1. Free Run Level Sync Frequency (or 19.98 MHz)
Adjustment (TP-61 board)
Purpose
This is the reference clock for the MPEG system.  If this adjustment
is not performed, an error may occur during lock check.
Adjustment method
1)
Connect the frequency counter to JL1302.
2)
Adjust RV1302 to attain 15.73 V 
± 0.6 KHz.
Mode
Test mode “Video level Adjustment”
Signal
Color bars (100%)
Measurement point
J351 (terminated at 75
Ω)
Instrument
Oscilloscope
Adjustment element
RV651
Specifications
1.00        Vp-p
Checking method
1)
In the test mode initial menu “Video Level Adjustment”, set so
that internal color bars are generated.
2)
Adjust RV651 to attain 1.00 
       Vp-p.
Fig. 7-1
Mode
Playback
Signal
Monoscope
Instrument
LCD or monitor
Adjustment element
RV1301
Specifications
Display should be on the center.
2. Display Position Adjustment (TP-61 Board)
± 0.02 Vp-p
Adjustment method
1)
Play back the monoscope of TEST DISK HLK510.
2)
Adjust RV1301 so that the image is on the center of the LCD
or monitor.
7-3. VIDEO SYSTEM ADJUSTMENT
1. Video Level Adjustment (MB-90 Board)
Purpose
This adjustment is made to satisfy the standard, and if not adjusted
correctly, the brightness will be too large or small.
+ 0.04
− 0.02
+ 0.04
− 0.02
Mode
EE
Measurement Point
JL1302 (JL1301)
Instrument
Frequency counter
Adjustment element
RV1302
Specifications
15.73 V 
± 0.6 KHz (PLL: 19.98 MHz)
7-3
7-4
3. S-terminal Chroma Output Check (MB-90 Board)
Purpose
This adjustment is made to satisfy the standard, and if not adjusted
correctly, the brightness will be too large or small.
Connection
Checking method
1)
Play back TEST DISK HLX510 Title2.
2)
Confirm that the S-C burst is 286 
± 30 mVp-p.
Fig. 7-3
4. S-terminal Chroma DC Check (MB-90 Board)
Purpose
This check signals for S-terminal compatible TV.  If they are not
correct, the TV will not switch automatically to letter box mode,
etc.
G
C
100
µF
75
}
1%
J352 (S terminal)
+
Oscilloscope
286 
± 30 mVp-p (NTSC)
300 
± 30 mVp-p (PAL)
Connection
G
C
100k
}
1%
J352 (S terminal)
Digital voltmeter
Mode
TEST DISK HLK510 Title5 playback
Signal
Measurement point
J352 S-terminal C output
(terminated at 100k
Ω)
Instrument
Digital voltmeter
Specifications
5.0       Vdc
+ 0
− 1.5
+ 0
− 1.5
Checking method
1)
Play back TEST DISK HLK510 Title5.
2)
Confirm that the C output of the J352 S-terminal is 5.0         Vdc.
Mode
TEST DISK HLK510 Title2 playback
Signal
Color bars
Measurement point
J352 S-terminal C output
Instrument
Oscilloscope
Specifications
286 
± 30 mVp-p (NTSC)
300 
± 30 mVp-p (PAL)
VIDEO IN/OUT
S VIDEO OUT
J352
J351
RV501
CHG VOLTAGE
JL503
(–)
JL501
(+)
C
Y
RV651
VIDEO LEOEL
RV1101
RV1301
RV1302
5V VOLTAGE
PICTURE
POSITION
FREE RUN
HOSC
JL1107(12V)
JL1103(13V)
JL1104(REC7.5V)
JL1106(-5V)
JL1105(+5V)
7-4.
ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS
MB-98 Board (Side A)
TP-61 Board (Side A)
TP-61 Board (Side B)
MEMO
7-6E
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