FDL-3105
SERVICE
MANUAL
US Model
watchman
SPECIFICATIONS
TV
standard
American
TV
standard
Color
system
NTSC
Channel
coverage
VHF channel 2-13
UHF channel 14-69
Radio
frequency
range
FM: 87.6-108 MHz (Stereo).
AM: 530-l ,710
(Mono)
Antenna
VHF/UHF/FM:
telescopic
antenna
AM: built-in ferrite bar antenna
Display
TN
active matrix method
Effective picture-element ratio: more than 99.99%
Picture
size
3-inch
picture
measured
diagonally
Speaker
36 mm (1
inches) dia.
EXT ANT: minijack, impedance 75 ohms (for TV/FM-radio)
A/V IN: tripolar minijack, impedance audio 47
video 75 ohms
output
(headphones):
stereo
minijack,
impedance
8-300
ohms
Power
requirement
9 V DC, See "Power sources". (page
Battery life
See
"Power
sources".
Power consumption 3.8 W (9 V DC) AC adaptor use
Dimensions
Approx.l13.6 x 166.1 x 60 mm (w/h/d)
(4
x 6
x 2
8 inches)
projecting parts
Weight
Approx. 0.58 kg (1 lb 4 oz)
batteries
Approx. 0.45 kg (1 lb)
batteries
Accessories supplied
AC power adaptor
Sun shade
Carrying pouch (1)
Optional accessories
Alkaline
battery
size AA (LR 6)
AV
cord
AVK-715M
Car
antenna
Headphones
MDR-34
Car battery cord
Design and specifications subject to change without notice.
LCD
SERVICE MANUAL
US
color
watchman
on chip component replacement
TABLE OF CONTENTS
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Never reuse a disconnected chip component.
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Notice that the minus side of a tantalum capacitor may
tion
Title
Page
be damaged by heat.
Flexible Circuit Board Repairing
1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . ..*................
3
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Keep the
the soldering iron around
2. DISASSEMBLY
270
during repairing.
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Do not touch the soldering iron on the same conductor
2-2. A, R Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
of the circuit board (within 3 times).
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Be careful not to apply force on the conductor when
3.
Indicator Module (LCD)
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soldering or unsoldering.
3. ELECTRICAL ADJUSTMENTS
3-l. TV Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
Features
3-2. Radio Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
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The LCD (Liquid Crystal Display) provides clear pictures and natural
facial color tones.
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It is used as an AV (audio/video) monitor.
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The voltage synthesizer tuning system allows easy tuning.
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Grip and stand are provided for
use.
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The new power circuit and fluorescent lamp provide long
battery life (approx. 5 hours with alkaline batteries).
4. DIAGRAMS
1. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2. Semiconductor Lead Layouts .
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14
Note to CATV system installer in the U.S.A.:
This reminder is provided to call the CATV system installer's attention to
Article 820-40 of the NEC that provides guidelines for proper grounding
and, in particular, specifies that the cable ground shall be connected to
the grounding system of the building, as close to the point of cable entry
as practical.
5. IC Block Diagrams .......................... 21
5. IC Description ...............................
23
5. EXPLODED VIEWS
1. Cabinet Section ............................. 25
2.
Display Section ............................. 26
6. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .
27
Use the supplied AC power adaptor.
35
6
Insert six size AA (LR6) batteries (not supplied).
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Raise the antenna
the unit.
to a wall outlet
2 Push the PUSH mark on the stand and open.
Notes
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Use only the supplied AC power adaptor. Do not use any other AC
power adaptor.
Polarity of the plug.
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When the unit is not to be used for a long period of time, remove the
batteries to avoid unit damage caused by battery leakage and
corrosion.
1
Select the band, VHF or UHF.
UHF*
1 Set the POWER switch to RADIO.
TV
BAND
POWER
2
Select the band, AM or FM.
2
Set the POWER switch to TV.
The unit starts tuning automatically.
POWER
3
Slide the battery compartment
Connect the Sony
car battery cord (not supplied) to the DC IN
jack. Use only recommended car battery cord. Do not use any other
car battery cord.
3 Pull out the antenna fully for FM reception.
3
Pull out the antenna fully.
4 Tune in the desired channel.
4
Tune in the desired station.
RADIO TUNING
+
4
the batteries with correct polaritie
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Lay the ribbon under the
batteries.
Push the PUSH mark and open the stand.
5
For FM reception, adjust the length and direction of the antenna.
For AM reception, rotate the unit.
5
Adjust the length and direction of the antenna,
For UHF, the receiving may be better with the short antenna.
6
Adjust the volume.
6
Adjust the volume.
Reinstall the lid.
To turn off the radio
Set the POWER switch lo OFF
To turn off the TV
Set the POWER switch to OFF, and fold down the antenna.
and told the antenna.
Note
Be sure to turn off the'radio after use, especially when listening with the
headphones. This prevents unnecessary battery wear.
To
to the FM stereo programs in stereo, connect the headphones
with
stereo
(not
to
jack.
If the channel
If the power is momentarily lost because of mechanical shock, or if the unit
has passed through a tunnel, the channel may change. If this happens,
tune in the desired channel again with CHANNEL
To indicate the current channel
Press the CH (channel) CALL button.
The line (green for VHF, red for UHF) appears at the position of
current
channel.
When you cannot view the picture clearly owing to reflected
use the
supplied sun shade.
6
Replace the stand and antenna.
To remove the batteries
Pull the ribbon. The batteries will pop out of the compartment.
Battery
replacement
When the batteries become weak,
unit's
function will
cause the picture to disappear. When you are listening to
the radio, the sound may be distorted. When you are listening to an FM
stereo program in stereo lhrough the headphones, the sound may
become monaural. In this case, replace all the batteries with new ones.
HUE
BRIGHT
skin
tones
skin
tones
for less
for
more
become
become
greenish
brightness
Attach the sun shade until it clicks.
Battery life
You can use approximately following hours continuously.
Radio
Alkaline
5
45
The battery life becomes short in a cold place.
For your safely. do not watch the TV nor operate
controls while
driving.
SECTION 2
DISASSEMBLY
NOTE : Follow the disassembly procedure in the numerical order given.
1. CABINET (REAR) ASSY
0
2-2.
A, R BOARDS
cabinet (rear) assy