DOWNLOAD Sony FDL-E22 Service Manual ↓ Size: 248.87 KB | Pages: 18 in PDF or view online for FREE

Model
FDL-E22
Pages
18
Size
248.87 KB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
fdl-e22.pdf
Date
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Sony FDL-E22 Service Manual ▷ View online

SECTION 2
DISASSEMBLY
2-1. CABINET ASSY  REMOVAL
1
 Battery cover
3
 Rear cabinet assy
4
 Front cabinet assy
2
 Three screws
     (+P2x10)
Channel button
*When attaching, be sure to
 confirm that the correct side
 is facing up.
Power switch button
– 7 –
2-2. A BOARD REMOVAL
2-3. SERVICE POSITION
1
 One screw (+B2)
2
 A board
Service cord
1-900-211-84
AC power adaptor
CN201
A board
cord
Antenna
B board
CN502
– 
6 
–
MEASUREMENT
POSITION
ADJUSTMENT
LOCATION
ILLUSTRATION AND SHAPE
AND NUMBER
ADJUSTMENT ITEM AND PROCEDURE
EQUIPMENT
AND SIGNAL
A BOARD ADJUSTMENT
– A BOARD – (COMPONENT SIDE)
RV002
RV004
RV601
RV201
RV001
RV003
TU101
*4.55 ± 0.05 V DC
+4.5 ADJUSTMENT
Measure *JL with a *digital voltmeter and adjust *RV for the
*Voltage.
 *Digital
Voltmeter
 *JL61
 *RV601
SECTION 3
CIRCUIT ADJUSTMENTS
– 
7 
–
MEASUREMENT
POSITION
ADJUSTMENT
LOCATION
ILLUSTRATION AND SHAPE
AND NUMBER
ADJUSTMENT ITEM AND PROCEDURE
EQUIPMENT
AND SIGNAL
JL06(CS)
JL61(4.5V)
Fig 1.
Fig 2.
Display bar
Channel No.
2
15k
Ω
47k
Ω
*
CHANNEL DISPLAY POSITION ADJUSTMENT
1. Insert variable resister (47 k
Ω
) and resister (15 k
Ω
) between
JL06 and JL61. (Fig 1.)
2. Short circuitry between JL04 and JL60 (GND).
3. Turn *VHF/UHF switch in VHF.
4. Recieve 2CH and adjust channel No. display position by *RV
to be in the *specification. (Fig 2.)
5. Recieve 12CH then adjust channel No. display position by *RV
to be in the *specification.
6. Repeat the procedures 4 and 5 in a few times to be in the
specification for both of 2CH and 12CH.
7. Check and confirm position of the display bar to be in the
specification for both of 4CH and 5CH.
8. Turn *VHF/UHF switch in UHF.
9. Recieve 21CH then adjust channel No. display position by *RV
to be in the *Specification.
10. Recieve 69CH then adjust channel No. display position by *RV
to be in the *specification.
11. Repeat the procedures 9 and 10 in a few times to be in the
specification for both of 21CH and 69CH.
12. Recieve 40CH then check and confirm position of the display
bar in the specification.
13. Release the variable resister and resister out and open the short
circuitry between JL04 and JL60.
 *S601
*Channel No. and display bar are to be in line.
 *RV004
 *S601
*Channel No. and display bar are to be in line.
*Channel No. and display bar are to be in line.
*Channel No. and display bar are to be in line.
 *RV003
 *RV001
 *RV002
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