In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
Specifications are subject to change without
prior notice.
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
32F630
32F631
IMPORTANT SERVICE SAFETY PRECAUTION
Ë
Service work should be performed only by qualified service technicians who are
thoroughly familiar with all safety checks and the servicing guidelines which follow:
WARNING
1. For continued safety, no modification of any circuit
should be attempted.
2. Disconnect AC power before servicing.
3. Semiconductor heat sinks are potential shock hazards
when the chassis is operating.
4. The chassis in this receiver has two ground systems
which are separated by insulating material. The nonisolated (hot) ground system is for the B+ voltage
regulator circuit. The isolated ground system is for
the low B+ DC voltages and the secondary circuit of
the high voltage transformer.
To prevent electrical shock use an isolation
transformer between the line cord and power
receptacle, when servicing this chassis.
CAUTION: FOR CONTINUED
PROTECTION AGAINST A
RISK OF FIRE, REPLACE
4A 125V
ONLY WITH SAME TYPE 4A125V FUSE.
SERVICING OF HIGH VOLTAGE SYSTEM
AND PICTURE TUBE
When servicing the high voltage system,
remove the static charge by connecting a
10k ohm resistor in series with an insulated
wire (such as a test probe) between the picture tube ground and the anode lead. (AC
line cord should be disconnected from AC
outlet.)
1. Picture tube in this receiver employs integral
implosion protection.
2. Replace with tube of the same type number for
continued safety .
3. Do not lift picture tube by the neck.
4. Handle the picture tube only when wearing
shatterproof goggles and after discharging the high
voltage anode completely .
X-RADIA TION AND HIGH VOLTAGE LIMITS
1. Be sure all service personnel are aware of the
procedures and instructions covering X-radiation. The
only potential source of X-ray in current solid state
TV receivers is the picture tube. However, the picture
tube does not emit measurable X-Ray radiation, if
the high voltage is as specified in the "High Voltage
Check" instructions.
It is only when high voltage is excessive that Xradiation is capable of penetrating the shell of the
picture tube including the lead in the glass material.
The important precaution is to keep the high voltage
below the maximum level specified.
2. It is essential that servicemen have available at all
times an accurate high voltage meter.
The calibration of this meter should be checked
periodically.
3. High voltage should always be kept at the rated value
−no higher. Operation at higher voltages may cause
a failure of the picture tube or high voltage circuitry
and;also, under certain conditions, may produce
radiation in exceeding of desirable levels.
4. When the high voltage regulator is operating properly
there is no possibility of an X-radiation problem. Every
time a color chassis is serviced, the brightness should
be tested while monitoring the high voltage with a
meter to be certain that the high voltage does not
exceed the specified value and that it is regulating
correctly.
5. Do not use a picture tube other than that specified or
make unrecommended circuit modifications to the
high voltage circuitry.
6. When trouble shooting and taking test measurements
on a receiver with excessive high voltage, avoid being
unnecessarily close to the receiver.
Do not operate the receiver longer than is necessary
to locate the cause of excessive voltage.
2
2
2
2
IMPORTANT SERVICE SAFETY PRECAUTION
1.5k ohm
10W
0.15 F
TEST PROBE
TO EXPOSED
METAL PARTS
CONNECT TO
KNOWN EARTH
GROUND
(Continued)
32F630
32F631
BEFORE RETURNING THE RECEIVER
(Fire & Shock Hazard)
Before returning the receiver to the user, perform
the following safety checks.
1. Inspect all lead dress to make certain that leads are
not pinched or that hardware is not lodged between
the chassis and other metal parts in the receiver.
2. Inspect all protective devices such as non-metallic
control knobs, insulating materials, cabinet backs,
adjustment and compartment covers or shields,
isolation resistor-capacity networks, mechanical
insulators, etc.
3. To be sure that no shock hazard exists, check for
leakage current in the following manner.
• Plug the AC cord directly into a 120 volt AC outlet,
(Do not use an isolation transformer for this test).
• Using two clip leads, connect a 1.5k ohm, 10 watt
resistor paralleled by a 0.15µF capacitor in series with
all exposed metal cabinet parts and a known earth
ground, such as electrical conduit or electrical ground
connected to earth ground.
• Use an AC voltmeter having with 5000 ohm per volt,
or higher, sensitivity to measure the AC voltage drop
across the resistor.
• Connect the resistor connection to all exposed metal
parts having a return to the chassis (antenna, metal
cabinet, screw heads, knobs and control shafts,
escutcheon, etc.) and measure the AC voltage drop
across the resistor.
AII checks must be repeated with the AC line cord
plug connection reversed. (If necessary, a nonpolarized adapter plug must be used only for the
purpose of completing these check.)
Any current measured must not exceed 0.5 milliamp.
Any measurements not within the limits outlined
above indicate of a potential shock hazard and
corrective action must be taken before returning the
instrument to the customer.
Many electrical and mechanical parts in television
receivers have special safety-related characteristics.
These characteristics are often not evident from visual
inspection, nor can protection afforded by them be
necessarily increased by using replacement components
rated for higher voltage, wattage, etc.
Replacement parts which have these special safety
characteristics are identified in this manual; electrical
components having such features are identified by "å"
and shaded areas in the Replacement Parts Lists and
Schematic Diagrams.
For continued protection, replacement parts must be
identical to those used in the original circuit. The use of
substitute replacement parts which do not have the same
safety characteristics as the factory recommended
replacement parts shown in this service manual, may
create shock, fire, X-radiation or other hazards.
3
32F630
32F631
LOCATION OF USER'S CONTROL(32F630)
Front Panel
POWER
Press → On.
Press again → Off.
REMOTE CONTROL
SENSOR
MENU
Press → Accesses MAIN MENU.
Press again → Exits MAIN MENU.
Basic Remote Control Functions
POWER
Press → On.
Press again → Off.
REMOTE KEYPAD
Accesses any channel from keypad.
FLASHBACK
Returns to previous channel.
PERSONAL PREFERENCE
With the Personal Preference buttons, you
can program your favorite programs by
using the 4 categories A, B, C and D. The
channels can be accessed quickly by using
these buttons.
VOLUME UP/DOWN
( ) Increases sound.
+
( ) Decreases sound.
Changes or selects the TV
adjustments on On-Screen Display.
MENU
Press → Accesses MAIN MENU.
Press again → Exits MAIN MENU.
MUTE
Press → Mutes sound.
Press again → Restores sound.
When sound is muted, CLOSED
CAPTION appears if available.
POWER (DVD/VCR)
Press → On.
Press again → Off.
DVD/VCR CONTROL
VOLUME UP/DOWN
( ) Increases sound.
+
( ) Decreases sound.
INSIDE DOOR
VIDEO/AUDIO
TERMINALS
CHANNEL UP/DOWN
( ) Selects next higher channel.
'
( ) Selects next lower channel.
"
Infrared T ransmitter Window
CATV/DVD-TV/VCR MODE buttons
Press TV/VCR → Signals sent will be for
TV and VCR control.
Press CATV/DVD → Signals sent will be
for cable TV converter and DVD control.
DISPLA Y
Press → Displays receiving channel for
4 seconds.
Press again → Removes display.
T emporarily displays receiving channel
when in Closed Caption mode.
INPUT
Press → Switches to external video
INPUT 1 mode.
Press twice → Switches to external video
INPUT 2 mode.
Press 3 times → Switches to exter nal
video INPUT 3 mode or COMPONENT
mode.
Press 4 times → Switches back to the
original TV mode.
ENTER
Used in some instances where a Cable
Converter Box requires an enter command
after selecting channels, when using the
REMOTE KEYPAD button.
CHANNEL UP/DOWN
( ) Selects next higher channel.
'
( ) Selects next lower channel.
"
Moves the
screens.
IN 2
Æ mark on the MENU
SKIP/VCR-CH
REC
Note:
The above shaded buttons on the Remote Control glow in the dark. To use the glow-in-the-dark display on the
remote control, place it under a fluorescent light or other lighting.
The phosphorescent material contains no radioactive or toxic material, so it is safe to use.
The degree of illumination will vary depending on the strength of lighting used.
The degree of illumination will decrease with time and depending on the temperature.
The time needed to charge the phosphorescent display will vary depending on the surrounding lighting.
Sunlight and fluorescent lighting are the most effective when charging the display.
4
LOCATION OF USER'S CONTROL(32F631)
Front Panel
32F630
32F631
POWER
Press → On.
Press again → Off.
REMOTE CONTR
OL
SENSOR
MENU
Press → Accesses MAIN MENU.
Press again → Exits MAIN MENU.
Basic Remote Control Functions
POWER
Press → On.
Press again → Off.
REMOTE KEYPAD
Accesses any channel from keypad.
FLASHBACK
Returns to previous channel.
PERSONAL PREFERENCE
With the Personal Preference buttons, you
can program your favorite programs by
using the 4 categories A, B, C and D. The
channels can be accessed quickly by using
these buttons.
VOLUME UP/DOWN
( ) Increases sound.
+
( ) Decreases sound.
Changes or selects the TV
adjustments on On-Screen Display.
MENU
Press → Accesses MAIN MENU.
Press again → Exits MAIN MENU.
MUTE
Press → Mutes sound.
Press again → Restores sound.
When sound is muted, CLOSED
CAPTION appears if available.
POWER (DVD/VCR)
Press → On.
Press again → Off.
DVD/VCR CONTROL
POWERMENU — VOL + CH
POWERMENU — VOL + CH
PULL-OPEN
VOLUME UP/DOWN
( ) Increases sound.
+
( ) Decreases sound.
VIDEO/AUDIO
IN 2
TERMINALS
(INSIDE DOOR)
CHANNEL UP/DOWN
( ) Selects next higher channel.
'
( ) Selects next lower channel.
"
Infrared T ransmitter Window
CATV/DVD-TV/VCR MODE buttons
Press TV/VCR → Signals sent will be for
TV and VCR control.
Press CATV/DVD → Signals sent will be
for cable TV converter and DVD control.
DISPLA Y
Press → Displays receiving channel for
4 seconds.
Press again → Removes display.
T emporarily displays receiving channel
when in Closed Caption mode.
INPUT
Press → Switches to external video
INPUT 1 mode.
Press twice → Switches to external video
INPUT 2 mode.
Press 3 times → Switches to exter nal
video INPUT 3 mode or COMPONENT
mode.
Press 4 times → Switches back to the
original TV mode.
ENTER
Used in some instances where a Cable
Converter Box requires an enter command
after selecting channels, when using the
REMOTE KEYPAD button.
CHANNEL UP/DOWN
( ) Selects next higher channel.
'
( ) Selects next lower channel.
"
Moves the
Æ mark on the MENU
screens.
SKIP/VCR-CH
REC
Note:
The above shaded buttons on the Remote Control glow in the dark. To use the glow-in-the-dark display on the
remote control, place it under a fluorescent light or other lighting.
The phosphorescent material contains no radioactive or toxic material, so it is safe to use.
The degree of illumination will vary depending on the strength of lighting used.
The degree of illumination will decrease with time and depending on the temperature.
The time needed to charge the phosphorescent display will vary depending on the surrounding lighting.
Sunlight and fluorescent lighting are the most effective when charging the display.
5
32F630
32F631
INSTALLATION AND SERVICE INSTRUCTIONS
Note:(1)When performing any adjustments to resistor controls and transformers use non-metallic
screwdrivers or TV alignment tools.
(2)Before performing adjustments, the TV set must be on at least 15 minutes.
CIRCUIT PROTECTION
The receiver is protected by a 4.0A fuse (F701),
mounted on PWB-A, wired into one side of the AC
line input.
X-RADIA TION PROTECT OR CIRCUIT TEST
After service has been performed on the horizontal
deflection system, high voltage system, B+ system,
test the X-Radiation protection circuit to ascertain
proper operation as follows:
1. Apply 120V AC using a variac transformer for accurate
input voltage.
2. Allow for warm up and adjust all customer controls
for normal picture and sound.
3. Receive a good local channel.
4. Connect a digital voltmeter to TP651 (Pin 3) and make
sure that the voltmeter reads 13.7 ±0.6V DC.
5. Apply external 17.3V DC at TP651 by using an
external DC supply, TV must be shut off.
6. To reset the protector, unplug the AC cord and plug
the AC cord power on. Now make sure that normal
picture appears on the screen.
7. If the operation of the horizontal oscillator does not
stop in step 5, the circuit must be repaired before the
set is returned to the customer.
HIGH VOLTAGE CHECK
High voltage is not adjustable but must be checked
to verify that the receiver is operating within safe
and efficient design limitations as specified checks
should be as follows:
1. Connect an accurate high voltage meter between
ground and anode of picture tube.
2. Operate receiver for at least 15 minutes at 120V AC
line voltage, with a strong air signal or a properly tuned
in test signal.
3. Enter the service mode and select the service
adjustment "V1 1" and Bus data "01" (Y-mute on, CRT
Cut Off).
4. The voltage should be below 35.0kV (at zero beam).
If a correct reading cannot be obtained, check circuitry
for malfunctioning components. After the voltage test,
make Y-mute off to the normal mode.
6
32F630
32F631
For adjustments of this model, the bus data is converted to various analog signals by the D/A converter
circuit.
Note: There are still a few analog adjustments in this series such as focus and master screen voltage.
Follow the steps below whenever the service adjustment is required. See "Table-B" to determine, if service adjustments are required.
1. Service mode
Before putting unit into the service mode, check that
customer adjustments are in the normal mode. Use
the reset function in the video adjustment menu to
ensure customer controls are in their proper (reset)
position.
2. Service number selection
Once in the service mode, press the Ch-up or Chdown button on the remote controller or at the set.
The service adjustment number will vary in
increments of one, from "V01" to "P08". Select the
item you wish to adjust.
3. Data number selection
Press the Vol-up or V ol-down button to adjust the data
number.
DA TA NUMBER
SERVICE ADJUSTMENT NUMBER
To enter the service mode and exit service mode.
To enter the service mode manually just press and hold
the Vol-down and Ch-up buttons at the same time, plug
the AC cord into a wall socket.
Now the TV set is switched on and enters the service
mode.
To exit the service mode, turn the television off by
pressing the power button.
Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will
PART REPLACED
IC2001
IC201
IC2101
CRT
IC3001
NECESSARYUNNECESSARY
ADJUSTMENT
X
X
X
X
X
SERVICE ADJUSTMENT
RF AGC Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "R01".
3. Set the data value to point where no noise or beat
appears.
4. Select another channel to confirm that no noise or
beat appears.
Note 1 : You will have to come out of the service
mode to select another channel.
Note 2 : Setting the data to "00" will produce a black
raster.
Screen Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "V03" and set the data value to "00" to
set the color level to minimum. (Record original data
code under adjustment "V03" before changing) You
may skip this step, if you selected a B/W picture or
monoscope pattern.
3. Select the service adjustment "V11" and adjust the
data value to "01", this turn off the luminance signal
(Y-mute).
4. Adjust the master screen control until the raster
darkens to the point where raster is barely seen.
5. Adjust the service adjustments "V06" red, "V07" green
and "V08" blue to obtain a good grey scale with
normal whites at low brightness level.
6. Select the service adjustment "V11" and reset data
to "00". Select the service adjustment "V03" and reset
data to obtain normal color level.
7. For component input, the data value of "V46" red,
"V47" green and "V48" blue is adjusted to follow the
data value of "V06", "V07" and "V08" respectively.
8. Reset the master screen control to obtain normal
brightness range.
NOTES
Data is stored in IC2101.
The adjustment is needed to compensate for characteristics of parts
Holding down both the VOL-up and CH-up buttons on the TV set in
the service mode for more than 2 seconds will automatically write the
Adjust items related to picture tube only.
Adjust items related to MTS only (M01~M20).
White Balance Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "V03" and set to "00" (minimum
color)(Record original data code under adjustment
"V03" before changing). "V03" does not have to be
adjusted, if you selected a B/W picture or monoscope
pattern.
3. Alternately adjust the service adjustment data of
"V09" and "V10" until a good grey scale with normal
whites is obtained. (RF Input)
4. For component input, the data value of "V49" and
"V50" is adjusted to follow the data value of "V09"
and "V10" respectively.
5. Select the service adjustment "V03" and reset data
to obtain normal color level.
Sub-picture and Sub-Bright Adjustments
1. Receive the window pattern signal.
• RF INPUT (TU51)
2. Get into service adjustment data "V01" and "V05" and
set the luminance as shown in figure "A" and "B" as
below respectively.
• COMPONENT INPUT
3. Get in service adjustment data "V42" and "V45" and
set the luminance as shown in figure "A" and "B" as
below respectively.
LUMINESCENCE CONFIRMATION
A: 95±10cd/m
B: 1.5±0.5cd/m
2
2
10
32F630
A
B
32F631
Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will
PART REPLACED
IC2001
IC201
IC2101
CRT
IC3001
NECESSARYUNNECESSARY
ADJUSTMENT
X
X
X
X
X
SERVICE ADJUSTMENT
RF AGC Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "R01".
3. Set the data value to point where no noise or beat
appears.
4. Select another channel to confirm that no noise or
beat appears.
Note 1 : You will have to come out of the service
mode to select another channel.
Note 2 : Setting the data to "00" will produce a black
raster.
Screen Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "V03" and set the data value to "00" to
set the color level to minimum. (Record original data
code under adjustment "V03" before changing) You
may skip this step, if you selected a B/W picture or
monoscope pattern.
3. Select the service adjustment "V11" and adjust the
data value to "01", this turn off the luminance signal
(Y-mute).
4. Adjust the master screen control until the raster
darkens to the point where raster is barely seen.
5. Adjust the service adjustments "V06" red, "V07" green
and "V08" blue to obtain a good grey scale with
normal whites at low brightness level.
6. Select the service adjustment "V11" and reset data
to "00". Select the service adjustment "V03" and reset
data to obtain normal color level.
7. For component input, the data value of "V46" red,
"V47" green and "V48" blue is adjusted to follow the
data value of "V06", "V07" and "V08" respectively.
8. Reset the master screen control to obtain normal
brightness range.
NOTES
Data is stored in IC2101.
The adjustment is needed to compensate for characteristics of parts
Holding down both the VOL-up and CH-up buttons on the TV set in
the service mode for more than 2 seconds will automatically write the
Adjust items related to picture tube only.
Adjust items related to MTS only (M01~M20).
White Balance Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "V03" and set to "00" (minimum
color)(Record original data code under adjustment
"V03" before changing). "V03" does not have to be
adjusted, if you selected a B/W picture or monoscope
pattern.
3. Alternately adjust the service adjustment data of
"V09" and "V10" until a good grey scale with normal
whites is obtained. (RF Input)
4. For component input, the data value of "V49" and
"V50" is adjusted to follow the data value of "V09"
and "V10" respectively.
5. Select the service adjustment "V03" and reset data
to obtain normal color level.
Sub-picture and Sub-Bright Adjustments
1. Receive the window pattern signal.
• RF INPUT (TU51)
2. Get into service adjustment data "V01" and "V05" and
set the luminance as shown in figure "A" and "B" as
below respectively.
• COMPONENT INPUT
3. Get in service adjustment data "V42" and "V45" and
set the luminance as shown in figure "A" and "B" as
below respectively.
LUMINESCENCE CONFIRMATION
A: 95±10cd/m
B: 1.5±0.5cd/m
2
2
10
32F630
32F631
Sub-Tint Adjustment
1. Receive the half color bar signal.
• RF INPUT (TU51)
2. Get into Y-Mute by R/C, or by setting the "V11" bus
data to "01".
3. V ary the "V02" bus data until the waveform becomes
as stated below.
LEVEL
B-AMP Base waveform in step
(TP47B)
Sub-Color Adjustment
1. Receive a good local channel.
2. Make sure the customer color control is set to center
position .
• RF INPUT (TU51)
3. Enter the service mode and select service adjustment
"V03".
4. Adjust "V03" data value to obtain a normal color level.
Focus Adjustment
1. Receive a good local channel.
2. Adjust the FOCUS VR of the flyback transformer to
make the image as fine as possible.
C. C Display Position Adjustment
1. Receive the lion head pattern signal.
2. Select "EX2" to display the text box.
3. Adjust the "EX2" bus data to let the text box displayed
in the center.
DISPLAY OF TEXT BOX
TEXT BOX
| A-B | / 2
Note: Aging for 10 min before adjustment. After the
adjustment of V-center and V-size, readjustment for this V-line.
Vertical Phase Adjustment
(SCREEN FORMAT 4:3)
1. Enter the service mode and input data of “00h” on
"D01".
2. Adjust "D18" data value so that picture is centered.
(SCREEN FORMAT 16:9)
3. Input data of "00h" on "D20".
4. Input data of "D34" same as "D18" data.
Horizontal Position Adjustment
1. Receive a good local channel.
(SCREEN FORMAT 4:3)
2. Enter the service mode and select the service
adjustment "D02".
3. Adjust "D02" data value so that picture is centered.
(SCREEN FORMAT 16:9)
4. Input data of "D21" same as "D02" data.
Horizontal-Size Adjustment
1. Receive a good local channel.
(SCREEN FORMAT 4:3)
2. Enter the service mode and select the service
adjustment "D04" for H-size.
3. Adjust the "D04" bus data to get the proper H-size.
(SCREEN FORMAT 16:9)
4. Input data of "D23" same as "D04" data.
EW-Parabola
1. Receive a good local channel.
(SCREEN FORMAT 4:3)
2. Enter the service mode and select the service
adjustment "D07" for EW parabola.
3. Adjust the "D07" bus data to get the proper vertical
straight line for both left and right side.
(SCREEN FORMAT 16:9)
4. Input data of "D26" to mines 19 step from "D07" data.
A
SPEC INSPECTION:| A-B | / 2
B
<
5mm
=
Vertical-Size and Linearity Adjustments
1. Receive a good local channel.
(SCREEN FORMAT 4:3)
2. Enter the service mode and select the service
adjustment "D03" for V-size.
3. Adjust the "D03" bus data to get the proper V-size.
4. For V-linearity adjustment, select data bus "D05" and
adjust to get the proper vertical linearity.
(SCREEN FORMAT 16:9)
5. Input data of "D22" to mines 36 step from "D03” data.
(V-SIZE)
6. Input data of "D24" same as "D05" data. (V-LIN)
EW-T rapezium
1. Receive a good local channel.
(SCREEN FORMAT 4:3)
2. Enter the service mode and select the service
adjustment "D08" for EW-Trapezium.
3. Adjust the "D08" bus data to get the best position
display.
(SCREEN FORMAT 16:9)
4. Input data of "D27" same as "D08" data.
11
32F630
32F631
Ë
MTS ADJUSTMENT
MTS Level Adjustment
1. Set the sound volume above 1.
Monoral signal: 400Hz, 100% modulation
2. Confirm "EX4" data is "5Ah".
3. Vary the "M01" bus data until the voltage to pin (39)
of IC3001 to become the value as stated below.
SETTING VOLTAGE
ADJ spec : 490±10mVrms
CHK spec: 490±20mVrms
MTS VCO Adjustment
1. Keep the unit in no-signal state.
2. Connect the frequency counter to pin (39) of IC3001.
3. Connect a capacitor (100µF, 50V) in between
positive(+) side of C3005 and ground.
4. Enter the service mode and select the service
adjustment "M02"
5. Adjust the data so that the frequency counter reads
62.94 ±0.75kHz.
Filter Adjustment
1. Feed the following stereo pilot signal to pin (14) of
IC3001 at C3005 open.
Stereo pilot signal: 9.4kHz, 600mVrms.
2. Enter the service mode and select the service
adjustment "M03".
3. Adjust the data until "OK" appears in position on the
screen. Make sure the "OK" is displayed almost at
the center of the data range.
Separation Adjustment
1. Input "SIGNAL 1" and vary the "M04" bus data to get
the minimun AC voltage to pin (39) of IC3001.
2. Input "SIGNAL 2" and vary the "M05" bus data to get
the minimun AC voltage to pin (39) of IC3001.
SIGNAL 1:
SIGNAL 2: 3kHz, 30% modulation, Lch only, NR-ON
Note: SIGNAL 1 Adj. for widebando
SIGNAL 2 Adj. for spectral
Check the output of the speaker at the maximum
volume as stated below.
Confirmation spec:
ADJ spec: above 25 dB
CHK spec: above 20 dB
300Hz, 30% modulation, Lch only, NR-ON
12
CHASSIS LAYOUT(32F630)
32F630
32F631
13
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