Sony FD-40E User manual

SERVICE
MANUAL
SPECIFICATIONS
TV standard
TV channel coverage
VHF channels 2-12
UHF channels 21-68
CCIR (B, G)
Antenna _ VHF/UHF telescopic antenna
Picture tube 10-cm (4-inch) picture measured diagonally
Speaker Approx. 5cm (2 inches) dia.
Input ~ & _ AIN IN jack (AV jack)
; Video. input:..1V-p-p; 750hms unbalanced,
sync negative
Audio input: —5dBs (436 mVrms),
30 kilohms
Output EARPHONE: -stereo minijack
impedance 8—300 ohms
Battery life Watching TV at a normal sound level and normal
temperatures; you can expect Sony Eveready
AM2 alkaline batteries to, last for approx. 4 hours.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS
IDENTIFIED:
BY
SHADING
AND
MARK
«
A\
ON
THE
SCHEMAT'!
iC
‘DIAGRAMS
AND
IN
THE
PARTS.
LIST
ARE
CRITICAL
TO
SAFE
OPERATION.
REPLACE
THESE
COMPONENTS.
WITH
SONY
PARTS
WHOSE
PART
NUMBERS,
APPEAR.
AS
SHOWN
IN
THIS
MANUAL
OR
IN
SUPPLEMENTS
PUBLISHED
BY
SONY.
MICROFILM
G-AEP Model
Power requirements 6V dc:
Dimensions
Weight
Batteries
four IEC designation LR14 alkaline
batteries (size C)
BP-16H
rechargeablé
battery
pack
(optional)
DC IN 6V jack accepts:
AC-40E AC power adaptor
for use on 220 V ac, 50 Hz
DCC-40A car battery. cord (optional)
for use on 12V car battery
Approx. 127.5x215.5 *65.5 mm (w/h/d)
(54/,*84/, x 25/5 inches) :
incl. projecting parts and controls
Approx. 1.2kg (2 Ib 11 02) incl. batteries
Note:
Use
only
an
ac
power
adaptor
or
car
battery
cord
manufac-
tured
by
Sony.
Polarity
of
the
plug
of
other
manufacturers
may
be
different.
os
Polarity of Sony plug
FLAT
BLACK
AND
WHITE
TV
ONY.

NOTE ON THE
ANODE CAP REMOVAL
Even
whén
the
power
switch
is
off,
the
voltage
at
2.
Pinch
and
remove
the
anode
pin
with
a
pair
of
the
anode
cap
is
still
high.
tweezers.
a
8
,
sty
as
ey
oy
So
Remove
the
anode
cap
as
follows.
At
this
time,
be
careful
not
to
scratch
the
anode
1,
Discharge
the
anode
pin
to
the
ground.
button.
7
;
anode pin
anode button L\
anode cap
Caution on Reinstallation :
Confirm
that
the
anode.
button
is
inserted
into
the
anode
cap
securely.
:
.
OOOO
OSE
OOOH
O:D
COO
OOHAOAEEDEOND
EDA
OE
OH
ONOEE
EON
OAD
A
DODD
OAEAOI
LLL
GE
DO
DOGO
Ge
Pe
Geen
Gee
Flexible
Circuit
Board
Repairing
To
make
thermal
controller
of
soldering
iron
1. Keep the temperature of the soldering iron at
270°
+
10°C
during
repairing.
conn
You can maintain the temperature of the
soldering iron around 270°C by using the ther-
mal controller as illustrated on the right.
2. Do not touch the soldering iron more than 4
seconds or 4 times on the same conductor of
the circuit board.
3.° Do not apply force on the conductor when
soldering
or
unsoldering.
(voltage
resistant:
200 V)
PartNo.
8-719-210-06
Tip of soldering iron
good
wrong
solder
soldering iron
SSS ee
wind insulating tape.
SSS

FD-40E
SERVICING NOTE
Replacing chip components
All
chip
components
should
be
connected
acid
disconnect-
ed,
using
a
tapered
soldering
iron
{temperature
of
the
iron
tip:
less
than
280°C
(536°F)],
a
pair
of
tweezers
and
braid-
ed
wire.
Precautions for replacement
1.
Do
not
disconnect
the
chip
component
forcefully.
-
Otherwise,
the
pattern
may
peel
off.
2.
Never
re-use
a
disconnected
chip
component.
Dispose
of
all old chip components.
3.
To
protect
the
chip
component,
heating
time
for
attach-
ing
the
component
should
be
within
3
seconds.
© Removing chip components
(1) Removing solder at electrode
Remove
the
solder
at
the
electrode,
using
a
thin
braided
wire.
Do
not
remove
the
solder
of
the
part
(chip
component)
attached
adjacent
to
the
electrode.
Soldering iron
(2) Discoiihocting chip components
Turn the tweezers with the soldering iron alternately
applied
to
both
electrodes,
and
the
chip
component
.-
will be disconnected. Take careful precautions while
disconnecting, because-if the chip component is force-
fully removed the land may peel off.
Never re-use a disconnected oe Sobenee
Tweezers
(3) Smoothing the soldered surface
After
disconnecting
the
chip
coninonent
remove
the
solder
by
using
a
braided
wire
to
smooth
the
land
surface.
aan
©
Connecting
chip
components”
Thé
value
of
chip
componénts
is
not
displayed
on
the
main
body.
Take
due
precautions
to
avoid
mixing
new
chip
components
with
other
ones.
:
(1) Applying solder to land on one side
Apply
a
thin
layer
of
solder
to
the
land
on
one
side
where
the
chip
component
is
to
be
connected.
Too
much soldér.may cause bridging.
Small quantity of solder
—-
(2) Speedy soldering
Hold
the
chip
component
at
the
desired
position,
using
tweezers,
and
apply
the
soldering
iron
in
the
arrow-marked
direction.
To
protect
the
chip
compo-
nent,
heating
time
should
be
within
3
seconds.
Soldering iron
Printed circuit board
Land
-(3) Speedy soldering of electrode on the other side
Solder the electrode on the other side in the same
way as in (2) above.

FEATURES
Miniature black and white TV for portable or.tabletop use.
Recessed tilted screen for comfortable viewing.
4-way power source capability allows use in various situations.
Combined audio/video input for.monitoring other.equipment.
Built-in, muting circuit. eliminates inter-station noise.
Electron gun
Deflection yoke
SEBEL)
[1] BAND SELECT switch Telescopic antenna
[2] POWER switch CONTR (contrast) contro!
[2] VOL (volume) control [3] BAT (brightness) control
[4] TUNING control 12] v (vertical) HOLD control
[5] Dial scale 3] A/V IN (audiolvideo input) jack
[8] DC IN 6V (external power input) jack Battery compartédent
EARPHONE jack . oe

FD:40E_ _FD-40E
SECTION
1
| |
|
=
ee
BLOCK
DIAGRAM
ue
.
he
Np
dis
TV
TEL ANT t-74
BT-839EL
VHF/UHF TUNER UNIT
MUTE DRIVE
Qgl2
CF251
t -
VIDEO
BUFFER me.
VIDEO
AMP
SYNC
SEPARATOR
@)
MER
ICR
ESN
()
By
a
Q3to
agi!
;
eae
S151-2 uB_4B 1 ;
3 BAND SELECT Legato | HORIZONTAL
THE SYNC DRIVE
ICgHl
+32V r UHF
J901
oA | [EnrPHong)
ina
tei
pascotn
fe
SCF20|-
6
v2
:
MUTING
MUTE
DRIVE
;
Sh
a
cas
==
0914
913
A
(Av_iN}
WW
La}
UNF, +48V +32v 202
ar SeLect RF AGC (1 RF AGC I AGC/
@ se Her sa Se
@) @) 6)
t } sist 1
H BAND SELECT
RV201
_RF AGC
‘ADM.
rte
0451
0
‘wisi
201%
AD.
-
siceaoeecoszeecios
Tunis)
~---
7
VIDEO
AMP
VIDEO
AMP
VIDEO
OUT
-
SP90!
"
Q301
Q302,303
401
:
—~O
SPEAKER
Q154
.
VERTICAL
+48V
BAND
SELECT
:
BLANKING
Q402
be RV401
; = {CONTR . as
SPOT’ KILLER j
: _ 0806 0859, 860
+48
2Rv501
HePREO 1801 _ FBT
AD
je
—
J
TL
yf CONVERTER: “CONV
IVE: S r OU.
Qe0t Q802
0803
C15).
SYNC PROCESS
( gy H OSC ;V.OSC,
AFC , M DRIVE | V DRIVE}:
DYNAMIC
FOCUS
QB5t
HORIZONTAL
HORIZONTAL HORIZONTA
805
S
8
SYNC
(9) SEPARATOR PRE DRIVE
(6) ei Tr) ms
Kha]
2806
CONVERTER
HORIZONTAL - DAMPER
@) DAMPER
VERTICAL
: Semen.
ovv $601
+4.8V
CN6O1
RV502 oa (Dc Ney] IN 6V
V HOLD
F601
VERTICAL
LINEARITY
Q858
PROTECTOR
Q6t-613,
Teel) POWER CONTROL
REGULATOR |.
REFERENCE
sasrao ee _ WAVE,
T ae ‘T RECHAGEABLE
' BATTERY
t
1. i BP-I6H
KEYSTONE
OUT
Q856 857
KEYSTONE BARREL KEYSTONE
AMP BUFFER ORIVE
Q852 Q853 854,855
RV554 RVB5S
KEYSTONE H.SIZE
ADJ. ADJ:
RV604
B+ ADJ.
SWITCH

FD-40E FD-40E
C25!
AUDIO
AMP
Qgi2
o
VERTICAL. SYNC
(3) “SEPARATOR (1)
1c910
HORIZONTAL . .
C1) SYNC DRIVE
ICSI
MUTING MUTE. DRIVE
a914 Q313
J90t
Fo 5—U } [EanHOnE)
VIDEO AMP SYNC SEPARATOR
0310
039i!
;
VIDEO
()
CF251
Lae
Fog
Dor
0451
MUTING
VIDEO
AMP
VIDEO
AMP
VIDEO
OUT
o
$P90i
301
Q302,303
Q401
—O
=
SPEAKER
VERTICAL +48V
BLANKING
9402
LeRv4ol
; 0883
SPOT
KILLER
y
0859, 860
7801 _FeT
poe ee
+48V \
fg Sl
43
p4o2zt. S } t
+51V =H I
pest, SNS |
oP +91V tS | 0804
hy)
|
Si
t I
a
Ge
ee
en
4
Rv
802
0803
CONVERTER
RV852
FOCUS
DAMPER [BRT] oe
gr
ADJ. i
$601
on, [POWER]
+
6V—-——
-
+——
NS
OFF cNéO!
a (oC NY)
F601 '
PROTECTOR
Q6II- 613
+ 4.8V
t a T RECHAGEABLE
t BATTERY
1
rf
ot + BP-I6H
ahr “oR BATTERY
SIZE_C t
(IEC DESIGNATION LRI4)
4PCS ,6V
RV603
OUTY MAX
ADJ.
+17V<
FD-40E
SECTION: 2
CIRCUIT:
BOARDS
LOCATION
Z board
A board
EJ board
C board

FD-40E
|
:
|
_
|
FD-40E
FD=40E
SECTION.
3
|
»
|
_
SECTION
4
“
DIAL
CORD
STRINGING
:
REMOVAL
DISASSEMBLY
Note:
Follow
the
disassembly
procedure
in
the
numerical
order
given.
REAR
CABINET
Ocabinet
screw,
2x
36
Note:
When
reassembling
f
:
(4
PCS}
push
adjustment
1)
Dial
Cord
Preparation
knobs
as
illustrated
finally.
2) Dial Cord Stringing
15
Hook the dial e
AV blind plate
cord to the chassis.
10
Q Hook the spring.
3) Dial Pointer Setting
After the dial pointer is installed, receive an off-air
signal and set the dial pointer on the dial scale.
FRONT CABINET
front cabinet
Note: Install the BAND SELECT
knob as shown in the figure
dial
cord
Appi
itabl
fal
cor
Pply
suitable
Below,
locking
compound.
EJ
board
dial
cord
rail
ee =—————— front cabinet
dial pointer
0 (cm)

O {inch}
FD-40E
"REMOVAL DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given. ,
REAR CABINET Qcabinet screw, 2x 36 Note: When reassembling
; (4 PCS) push adjustment
knobs as illustrated
finally.
adjustment knobs
rear cabinet
A/V IN jack
AV blind plate
FRONT CABINET
front cabinet
Note: Install the BAND SELECT
knob as shown in the figure
below.
EJ board
‘front cabinet
BAND SELECT knob
FD=40E
D BOARD
When installing the D board,
set the switch and the switch lever (A)
each other.
switch lever (A)
A BOARD
@Qr2x6
{3 PCS)
@ speaker
@sevit2x4
Precision,
: PI.7x4
Turn the volume shafi
Ry clock wise.
Note: When reinstalling the VOL. .
knob, set it as shown in the
figure above.
TELESCOPIC ANTENNA
telescopic antenna
DIAL CORD STRINGING
(See page 8)

PICTURE TUBE
@ Remove the anode cap.
Referto “NOTE ON THE ANODE : Pee hog pagal
CAP REMOVAL” in the FD-40E ; @QeVTT2 x6...
servic® manual (page 2). + a, (2 PCS)
TF cee i
6 Loosen the screw, and
A pull out the picture tube.
/ QO Swipe. the tape. 's,
picture tube
QO picture tube O pull out the
bracket sii « picture tube
socket:
Bo at genre

SECTION 5
ADJUSTMENTS
NOTE
1.
Test Equipment Required
@ regulated de power supply
® color-bar/pattern generator -
© frequency counter
@ digital voltmeter
. Input Signal
cross hatch, color-bar or off-air signal.
.
The
adjustment
should
be
performed
with
6
V
dc
unless otherwise noted.
Centering Adjustment
1. Tune in an off-air signal.
2. Adjust the centering magnet so that the picture is
at the-center.
Z BOARD ADJUSTMENT
1. Connect a 10uF 6.3 V tantalum capacitor in
IC911 pin @) and ground.
2. Connect the frequency counter to IC911 pin ©.
. Horizontal Adjustment
1. Loosen the adjustment screw,
2.
Tune
in
an
off-air
signal
aid
adjust
deflection
yoke
for
optimum
picture.
3. Tighten the screw after the adjustment.
Open Solder bridge.
frequency counter
3. Adjust RV910 for 31.15—31.35 kHz reading on
frequency counter.
4, After the adjustment, remove the capacitor in
step 1.