2. Select Read to load the file to be programmed into TV.
3. Push the button of Connect to connect TV and indentify the type of flash memory in
TV.
4. Push the Button of Run to start program firmware.
• Working method
◦ Unlike the USB upgrade (to be mentioned later) the whole code in flash memory
will be upgraded completely.
◦ This upgrade method can be done even the flash memory is blank.
ATV Firmware Upgrade - USB
1.
Copy an available file (to be mentioned later) into USB memory disk.
2. Insert USB flash disk with an available file into TV USB port.
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3. Reboot (AC Off/On) TV to update firmware automatically, during upgrading f/w a
progress slider bar will be shown on display.
4. Once f/w upgrade is finished, a message of "Update Finished" will be shown on
display.
5. Remove USB flash disk then turn AC Off/On to reboot TV, new f/w will be active.
Available file name
• In order to not upgrade firmware with incorrect code which is for other model, only the
bin filename consistent with the current upgraded model is considered available, i.e.
the model name located in first 8 characters of filename will be checked.
• The first found file with available file name will be applied for upgrade, so it is
recommended to keep only one available file for one model is flash disk.
• For example 19AV703X_XXX_REV01.BIN. the model name 19AV703X (in blue)
should match to current upgraded model and total length of file name should be 23
characters, characters in red is not cared.
Available file name, Continued
• Table 1. the file name of firmware for 703X series.
Model NameFile Name of BIN Code
19AV703X19AV703X_XXX_REVXX.BIN
22AV703X22AV703X_XXX_REVXX.BIN
26AV703X26AV703X_XXX_REVXX.BIN
32AV703X32AV703X_XXX_REVXX.BIN
32LV703X32LV703X_XXX_REVXX.BIN
37LV703X37LV703X_XXX_REVXX.BIN
40LV703X40LV703X_XXX_REVXX.BIN
Table 1. Firmware naming
• Internal Working Method
◦
There are two part of codes in flash memory one is boot code the other one is
application code.
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◦ At power up stage Boot code is first running up, it will check if there is USB
flash memory found.
◦ If USB flash memory is not found then the program will run to application code
which is the one designed for whole system control such as OSD, remote
control, display control etc.
• Internal Working Method, Continued
◦ If USB flash memory is found, boot code will check if any available file name
memory disk, if it is then the whole file with 2048K bytes (if it's a firmware) will
be copied to DDR memory first.
◦ After copy is finished, program jump to DDR and copy the part of new
application into flash memory on board.
◦ Once upgrade is done, program will keep waiting for reboot.
• Internal Working Method, Continued
◦ As boot code will not check any of checksum, care should be taken to avoid any
of invalid file with file name as Table 1. in USB flash memory while running
firmware upgrade process.
◦ As boot code and application code are running independently, after program runs
to application code the boot code is not able to be found by application code, so
it is not possible to implement USB upgrade directly from application code.
◦ This upgrade method can be done only when boot code is exist in flash memory.
FUNCTION AND OPERATION
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Front Key Controls
OSD operation for PC and TV OSD can be controlled by top control keypads or remote
control.
FunctionTV/video modePC mode
POWERTurn off/on the setTurn off/on the set
"+" (CHANNEL) Menu Navigate Up/Channel upMenu Navigate Up
"–" (CHANNEL)
"+" (VOLUME)
"–" (VOLUME)
MENUEnter /Exit OSD menuEnter /Exit OSD menu
INPUTSource switchSource switch
• POWER key press will wake-up the TV set from 'Standby' mode.
• Navigate to and select function via CHANNEL "+ / –" keys, and VOLUME "+ / –"
keys. Then adjust using up/down functionality.
• Access main menu by pressing "MENU" key.
• Switch source by pressing "INPUT" key.
Menu Navigate Down/Channel
Down
Menu Navigate
Right/Increase/Volume up
Menu Navigate
Left/Decrease/Volume down
Menu Navigate Down
Menu Navigate
Right/Increase/Volume up
Menu Navigate
Left/Decrease/Volume down
LED Indicator
• LED1: (On/Off Control)
Normal ON:Green
Standby mode: Red
Switch OFF:No light
• LED2: (Timer Control)
Timer ON:Green
Timer OFF:No light
OSD Menu
To open the main menus (illustrated below), press MENU on the remote control or TV
control panel.
Picture Settings
Picture
Active Backlight Control
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Sound
SET UP
3D Color management
Base Color adjustment
DNR
MPEG NR
Dual
Bass
Treble
Balance
Surround
Bass boost
Language
Country
Auto tuning
Manual tuning
AV connection
Quick Setup
Timer
Function
Remote Control
Picture Position
Automatic Power Down
Location
Reset TV
Sleep Timer
On timer
On timer position
Teletext
Panel lock
Auto format
4:3 stretch
Blue screen
Side panel
POWER:Press to turn on/off the TV from or to standby mode.
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VIDEO:1. Press repeatedly to select the signal source.
STILL:Press to do freeze function
TEXT:Press to turn teletext mode ON/OFF (with MIX)
SUBTITLE:TTX subtitle
STEREO/DUAL:Press to select Mono / Stereo / DUAL from TV RF input.
Number Key:1. Press number button to direct access to TV channel
2. The Source List should be activated and show on OSD
2. Press the pass code to activate the factory mode
3. Press to activate the Channel Lock (enter PIN code for Channel
lock)
4. If channel list OSD active - jump to that channel in the channel
list
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AD:N/A
ATV/DTV:N/A
VOL +/ –:Press to adjust the volume
I+/ INDEX:info display / TTX index
MUTE:Press to Interrupt the sound or restore it.
OPTION:Go to shortcut menu
P / :1. Press to browse channels
2. The channel number should appear on the set
GUIDE:N/A
EXIT:Press to Exit OSD
Cursor Key:1. Press cursor up/button to navigate OSD menu item
2. Cursor right key perform confirmation as well as proceed next
level of OSD
3. Can use cursor left to return previous level
MENU:Press to activate OSD menu and back to previous level of OSD
RETURN:Press to return previous level
OK Key:OK
Red Key:TTX Red button
Green Key:TTX Green button
Yellow Key:TTX Yellow button
Cyan:TTX Cyan button
REVEAL:TTX Reveal button
HOLD:TTX Hold button
FULL-TOP-BOTTOM: TTX zoom
TIME / TXCL:Time display / TTX cancel
• Remote Control active area:
AngleDistance
0 º (for H & V)≥ 5 m
30 º (for H & V)≥ 5 m
I/O connectors
Rear connectors:
Tuner input:
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RF connector for PAL/SECAM/NTSC 4.43 free air and cable reception.
HDMI 1/2 input:
Including digital video and audio. HDMI and PC mode share PC audio when system checks
no audio header.
SCART 1 input:
Including RGB in, CVBS in TV out.
SCART 2 input:
Half SCART includes S-Video in, CVBS in and audio L/R in, TV out.
Component input:
YPbPr is with R/L audio in.
HDMI/PC Audio input:
3.5 φ mini-jack
PC VGA input:
D-SUB 15 pin with RS232 function.
Side connectors
Headphone output:
3.5 φ mini-jack
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Side AV input:
CVBS with R/L audio in
USB:
Software upgrade
SAFETY INSTRUCTION
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Handling the LCD Module
Safety Precaution
In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or
drink this fluid.
Also, never touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid
should enter the mouth, rinse the mouth thoroughly with water. If the fluid should contact the
skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid
should enter the eyes, immediately rinse the eyes thoroughly with running water.
Precautions for Handling the LCD Module
CAUTION: The metal edges of the LCD module are sharp, handle it with
care.
The LCD module can easily be damaged during disassembly or reassembly; therefore,
always observe the following precautions when handling the module.
1. When attaching the LCD module to the LCD cover, position it appropriately and fasten
at the position where the display can be viewed most conveniently.
2. Carefully align the holes at all four corners of the LCD module with the corresponding
holes in the LCD cover and fasten with screws. Do not strongly push on the module
because any impact can adversely affect the performance. Also use caution when
handling the polarized screen because it can easily be damaged.
3. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not
remove the soiling, breathe on the surface and then wipe again.
If the panel surface is extremely solied, use a CRT cleaner as a cleaner. Wipe off the
panel surface by drop the cleaner on the cloth. Do not drop the cleaner on the panel.
Pay attention not to scratch the panel surface.
4. Leaving water or other fluids on the panel screen for an extended period of time can
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result in discoloration or stripes. Immediately remove any type of fluid from the
screen.
5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can
damage the panel.
6. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static
electricity. When handling the module, use a wrist ground or anchor ground.
7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an
extended period of time.
8. Do not store the LCD module below the temperature conditions described in the
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specifications. Failure to do so could result in freezing of the liquid crystal due to cold
air or loss of resilience or other damage.
9. Do not disassemble the LCD module. Such actions could result in improper operation.
10. When transporting the LCD module, do not use packing containing epoxy resin
(amine) or silicon resin (alcohol or oxim). The gas generated by these materials can
cause loss of polarity.
INSTALLATION
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Channel Settings
Initial setup
The first time user switches on TV set, "initial setup" wizard will be shown in OSD menu to
guide user to start channel scanning. The "channel scanning" takes several minutes. To stop
the scanning, press the "EXIT" key.
1. Select your language
2. Select your country
3. Start scanning
"Channel scanning", "Analog channels: found channel no." and status will be shown in
OSD menu during scanning.
Channel scan (on TV mode)
1. Select "country": Press "MENU" on the remote control. Then select "Set up" →
"Country" → your country in OSD.
2. Start scanning: Press "MENU" on the remote control. Then select "Set up" → "Auto
tuning" to start scanning.
When channel scanning finished, press "EXIT" key to leave OSD menu.
The found analog programs will be numbered in ascending order starting from 0.
Analog manual store
Press "MENU" on the remote control. Then select "Set up" → "Manual tuning" to start
manual scanning from user specified frequency. Once new program is found, user can store
this new program to a new program number.
Channel skip
1. Press "MENU" on the remote control. Then select "Set up" → "Manual tuning", then
follow OSD indication to select Channel skip.
2. Use up / down key to select the program you want to skip. Then press "OK" key. A
"tick" symbol will be show in right side box.
3. Press "EXIT" to leave OSD menu.
The skipped program number will not be found by pressing CH +/– key.
Channel sort
It will be automatically sorted after auto tuning.
Channel name edit
Press "MENU" on the remote control. Then select "Set up" → "Manual tuning", then follow
OSD indication to edit channel name.
Hotel Mode
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Enter Hotel Mode
1. Press "MUTE" button on the remote, and display [mute].
2. Within 2 sec, press "MUTE" button on the remote again, and hold the button down for
3 sec.
3. Then, press "INPUT" button on the TV side. Then hotel mode menu will appear.
Exit Hotel mode
Turn the TV power off
Hotel Mode Function
#Function
0 Hotel Mode On/OffHotel Mode OffHotel Mode On
1 Panel Lock
Disable TV Front/Side
buttons
2 Panel Lock W/O input
selector keys.
Disable TV Front/Side
buttons except for input
selector keys
3 Disable remote control
(In Service Mode, not
disabled)
4 Disable Setup MenuSetup menu is
Settings *off
(normal setting)
All keys work
normally.
All keys work
normally.
Remote control works
normally.
normally displayed.
Settings on
Disabled
Disabled except for input selector
keys.
Disabled remote control.
Setup menu is disabled.
5 Setup Menu W/O Lang.
Disable set up menu except
for language setting.
*Only language setting is
available in Setup menu.
6 Max volume setting
(Setting Method: Set 100
volume, then turning and
choice this value)
7
Setup menu is
normally displayed.
00~100 [dec] (normal:
100)
only language setting is displayed
at setup menu.
Fixed Pos/Video
Turn the TV on by power
on: fixed pos/video set
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button on the remote, then
display goes to fixed
POS/Video
TV, Component, AV, ... , PC,
HDMI, .... Off
TV: 1~255 [dec] (normal: 0)
8 Fixed Volume
Turn the TV on by power
button on the remote, then
volume is set to the forced
value.
9 Fixed Picture Mode
Turn the TV on by power
button on the remote, then
the fixed picture mode is
selected.
10 Welcome message
Turn the TV on by power
button on the remote, then a
message ("Welcome to our
hotel") is displayed.
on:: fixed vol. set
0~100 [dec] (normal: 0)
*101~: not available
on: Fixed Picture Mode.
0: Dynamic selected
1: Standard
2: Mild
3: Movie
4: User (Default)
On (Enable)
1: 8sec
2: 15sec
3: until first operation
(Until next operation (ex. Ch up)
the message remains.)
11 TV to USB
Save the data of TV
settings to USB memory
(includes user setting, the
setting of hotel mode and
channel table).
12 USB to TV
Load the data of TV
settings in USB memory to
TV (includes user setting,
the setting of hotel mode
and channel table).
ˠ˴˼ʳ˕˴˷ˣ˸ʳ˕˴˷
˜˸˸
˕˴˷
˞˸˴˷
˕˴˷
˜˥˂˟˘˗ʳ˕˴˷
˧˖ˢˡʳ˕˴˷
SAFETY INSTRUCTION
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WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND
"PRODUCT SAFETY NOTICE" INSTRUCTIONS BELOW.
Safety Precaution
WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE
NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY
PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS.
1. An isolation transformer should be connected in the power line between the receiver and the AC line before any
service is performed on the receiver.
2. Always disconnect the power plug before any disassembling of the product. It may result in electrical shock.
3. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place, such
as nonmetallic control knobs, insulating covers, shields, isolation resistor-capacitor network, etc.
4. Always keep tools, components of the product, etc away from the children, These items may cause injury to
children.
5. Depending on the model, use an isolation transformer or wear suitable gloves when servicing with the power on,
and disconnect the power plug to avoid electrical shock when replacing parts. In some cases, alternating current is
also impressed in the chassis, so electrical shock is possible if the chassis is contacted with the power on.
6. Always use the replacement parts specified for the particular model when making repairs. The parts used in
products require special safety characteristics such as inflammability, voltage resistance, etc. therefore, use only
replacement parts that have these same characteristics. Use only the specified parts when the mark is indicated
in the circuit diagram or parts list.
7. Parts mounting and routing dressing of wirings should be the same as that used originally. For safety purposes,
insulating materials such as isolation tube or tape are sometimes used and printed circuit boards are sometimes
mounted floating. Also make sure that wirings is routed and clamped to avoid parts that generate heat and which
use high voltage. Always follow the manufactured wiring routes / dressings.
8. Always ensure that all internal wirings are in accordance before re-assembling the external casing after a repairing
completed. Do not allow internal wiring to be pinched by cabinets, panels, etc. Any error in reassembly or wiring
can result in electrical leakage, flame, etc., and may be hazardous.
9. NEVER remodel the product in any way. Remodeling can result in improper operation, malfunction, or electrical
leakage and flame, which may be hazardous.
10. Touch current check. (After completing the work, measure touch current to prevent an electric shock.)
• Plug the AC cord directly into the AC outlet. Do NOT use an isolation transformer for
this check.
• Connect a measuring network for touch currents between each exposed metallic part on
the set and a good earth ground such as a water pipe.
Annex D
(normative)
Measuring network for TOUCH CURRENTS
Resistance values in orms (Ω).
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V: Voltmeter or oscilloscope
(r.m.s. or peak reading)
Input
resistance :
1 MΩ
Input
capacitance :
200 pF
Frequency
range : 15
Hz to 1
MHz and
d.c.
respectively
Note: Appropriate measures should be taken to obtain the correct value in case of non
sinusoidal waveforms.
The measuring instrument is calibrated by comparing the frequency factor of with the solid
line in figure F.2 of IEC 60990 at various frequencies. A calibration curve is constructed
showing the deviation of from the ideal curve as a function of frequency.
TOUCH CURRENT = /500 (peak value).
• The potential at any point (TOUCH CURRENT) expressed as voltage and does not
exceed the following value:
The part or contact of a TERMINAL is not HAZARDOUS LIVE if:
a) The open-circuit voltage should not exceed 35 V (peak) a.c. or 60 V d.c. or, if a) is
not met.
b) The measurement of the TOUCH CURRENT shall be carried out in accordance
with IEC 60990, with the measuring network described in Annex D of this
standard.
The TOUCH CURRENT expressed as voltages and , does not exceed the
following values:
- for a.c. : = 35 V (peak) and = 0.35 V (peak);
- for d.c. : = 1.0 V
Note: The limit values of = 0.35 V (peak) for a.c. and = 1.0 V for d.c. correspond to the
values 0.7 mA (peak) a.c. and 2.0 mA d.c.
Product Safety Notice
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These characteristics are
often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by
using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety
characteristics are identified in this manual and its supplements; electrical components having such features are
identified by the international hazard symbols on the schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement
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parts which do not have the same safety characteristics as specified in the parts list may create electrical shock, fire, or
other hazards.
SPECIFICATION
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Electrical
LCD
Samsung 32 inch panel:
Panel Model:LTA320AP08
Active Area:697.685 mm (H) × 392.256 mm (V)
Outline Dimension:760.0 mm (H) × 450.0 mm (V) × 50.2 mm (D)
Pixel Pitch:0.51075 mm (H) × 0.51075 mm (V)
Pixel Format:1366 × 768 (WXGA), RGB strip arrangement
Color Depth: 8-bit, 16.7M colors
Luminance:
Backlight:4 U-type CCFL
Response Time:8.0 msec. (G to G average)
Viewing Angle:178/ 178 (L/R, U/D) (CR ≥ 10)
Contrast Ratio:4000:1 (Typ.)
Life Time:50,000 hrs
> 400 cd/m2 (Min), 450 cd/m2 (Typ.)
Power supply
Features
AC line voltage range: 200 Vac ~ 264 Vac
AC line frequency range:47 ~ 63 Hz
Power consumption
Normal on:< 100 W (LTA320AP08)
Max Current:< 0.5 A (LTA320AP08)
Standby:< 1 W at 230 Vac/50 Hz mains, standby mode
Unit dimension (without Base): 798.22 mm (W) × 88 mm (D) × 516 mm (H)
Unit dimension (with Base): 798.22 mm (W) × 233 mm (D) × 563.54 mm (H)
Net Weight: 12 Kg
Gross Weight: 16 Kg
Picture
Picture in TV / Video modes
There are 5 pre-settings: Dynamic / Standard / Mild / Movie / User
Pre-settings -
Picture modeDynamicStandardMildMovieUser
Backlight10070503050
Contrast10095909095
Brightness5050505050
Color5050505050
Tint00000
Sharpness5050505050
Black/White levelHighMiddleLowMiddleLow
Picture Size
• There are 7 picture formats: Wide, 4:3, Super Live, Cinema, Subtitle, 14:9 and Native
(HDMI only) mode.
Note: 1. Panorama format is only available for 480i or 576i video mode.
2. Automatic format is only activated for ATV signal with WSS information.
Dimming Backlight
Dimming range: Min: 0 V, Max: 5V
Control by the detection of TV controller's histogram via external PWM
Burst dimming voltage DC 0.0V ~ 3.3V
Audio
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For the sake of stereo, proper segment of R/L speakers is needed to make sure correct R/L
channel separation.
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY
RADIATION PRECAUTION" FOR DIRECT VIEW CTV ONLY, "SAFETY
PRECAUTION" AND "PRODUCT SAFETY NOTICE" OF THIS MANUAL.
CAUTION: The international hazard symbols "" in the schematic diagram
and the parts list designate components which have special characteristics
important for safety and should be replaced only with types identical to those
in the original circuit or specified in the parts list.
The mounting position of replacements is to be identical with originals.
Before replacing any of these components, read carefully the SAFETY
PRECAUTION and PRODUCT SAFETY NOTICE.
Do not degrade the safety of the receiver through improper servicing.
Note:
1. RESISTOR
Resistance is shown in ohm [K=1,000, M=1,000,000]. All resistors are 1/6 W and 5 %
tolerance carbon resistor, unless otherwise noted as the following marks.
Metal or
1/2R :
1/2S :
1RF :
10
W
K: ±10 %
G: ±2 %
F: ±1 %
2. CAPACITOR
Unless otherwise noted in schematic, all capacitor values less than 1 are expressed in µF,
and the values more than 1 in pF.
All capacitors are ceramic 50 V, unless otherwise noted as the following marks.
Metal oxide
of 1/2 watt
Carbon
composition
of 1/2 watt
Fuse resistor
of 1 watt
Cement of
:
10 watt
Electrolytic
=
capacitor
Mylar
=
capacitor
3. The parts indicated with "" have special characteristics, and should be replaced with
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identical parts only.
4. Voltages read with DIGITAL MULTI-METER from point indicated to chassis ground,
using a color bar signal with all controls at normal, line voltage at nominal AC volts.
5. Waveforms are taken receiving color bar signal with enough sensitivity.
6. Voltage reading shown are nominal values and may vary ±20 % except H.V.
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY
PRECAUTION" AND "PRODUCT SAFETY NOTICE".
CAUTION: The international hazard symbols "" in the schematic diagram
and the parts list designate components which have special characteristics
important for safety and should be replaced only with types identical to
those in the original circuit or specified in the parts list.
The mounting position of replacements is to be identical with originals.
Before replacing any of these components, read carefully the "SAFETY
PRECAUTION" and "PRODUCT SAFETY NOTICE".
Do not degrade the safety of the receiver through improper servicing.
Note:
• The part number must be used when ordering parts, in order to assist in processing, be
sure to include the Model number and Description.
• The PC board assembly with mark is no longer available after the end of the
production.
Abbreviations
Capacitors CD: Ceramic Disk
ResistorsCF: Carbon film
OMF : Oxide Metal Film
PF: Plastic Film
CC: Carbon Composition
VR: Variable Resistor
EL: Electrolytic
MF: Metal Film
FR: Fusible Resistor
All CD and PF capacitors are ±5 %, 50 V and all resistor, ±5 %, 1/6 W unless otherwise
noted.
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