Sharp 36R-S60 User manual

1
36R-S60
SHARP CORPORATION This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
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.
S91B136R-S60/
COLORTELEVISION
Chassis No. SN-92M
Page
»ELECTRICAL SPECIFICATIONS .........................................................................................................1
»IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
»LOCATION OF USER'S CONTROL .....................................................................................................4
»INSTALLATION AND SERVICE INSTRUCTIONS................................................................................5
»CHASSIS LAYOUT .............................................................................................................................11
»BLOCK DIAGRAM ..............................................................................................................................12
»SCHEMATIC DIAGRAMS...................................................................................................................13
»PRINTED WIRING BOARD ASSEMBLIES ........................................................................................20
»REPLACEMENT PARTS LIST............................................................................................................23
»PACKING OF THE SET......................................................................................................................31
CONTENTS
SPEAKER
SIZE ............................................................... 12 x 6 cm (2 pcs.)
VOICE COIL IMPEDANCE .............................. 6 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF.....................................................75 ohm Unbalanced
TUNING RANGES
VHF-Channels...............................................................2 thru 13
UHF-Channels ............................................................14 thru 69
CATV Channels...........................................................1 thru 125
(EIA, Channel Plan U.S.A.)
POWER INPUT..................................................... 120V AC 60 Hz
POWER RATING .................................................................. 165W
PICTURE SIZE ........................................... 3,905cm2 (605sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING .............. 3.0W + 3.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
36R-S60
MODEL
SERVICE MANUAL

2
36R-S60
IMPORTANT SERVICE SAFETY PRECAUTION
ËService work should be performed only by qualified service technicians who are
thoroughly familiar with all safety checks and the servicing guidelines which follow:
CAUTION: FOR CONTINUED
PROTECTION AGAINST A
RISK OF FIRE, REPLACE
ONLY WITH SAME TYPE 5A-
125V FUSE.
X-RADIATION AND HIGHVOLTAGE 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 X-
radiation 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.
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 non-
isolated (hot) ground system is for the B+ voltage
regulator circuit and the horizontal output 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.
SERVICING OF HIGH VOLTAGE SYSTEM
AND PICTURETUBE
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 pic-
ture 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.
5A 125V

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36R-S60
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SAFETY NOTICE
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.
IMPORTANT SERVICE SAFETY PRECAUTION
(Continued)
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.
BEFORE RETURNINGTHE RECEIVER
(Fire & Shock Hazard)
Before returning the receiver to the user, perform
the following safety checks.
•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 non-
polarized 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.
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.
1.5k ohm
10W
0.15µF
TEST PROBE
TO EXPOSED
METAL PARTS CONNECT TO
KNOWN EARTH
GROUND

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36R-S60
LOCATION OF USER'S CONTROL
Front Panel
POWER
Press →On.
Press again →Off.
CHANNEL UP/DOWN – MENU
(') Selects next higher channel.
(") Selects next lower channel.
• Press both at the same time to
access the MAIN MENU
screen.
VOLUME UP/DOWN
(+) Increases sound.
(–) Decreases sound.
SENSOR AREA FOR
REMOTE CONTROL
VIDEO/AUDIO TERMINALS
IN 2
TV
Infrared Transmitter Window
INPUT
Press →Switch to external video
INPUT 1 mode.
Press2times→Switchto externalvideo
INPUT 2 mode.
Press 3 times →Switch back to the
original TV mode.
CHANNEL UP/DOWN
(') Selects next higher channel.
(") Selects next lower channel.
• Moves the “ ” mark of the MENU
screen.
MENU
Press →Accesses MAIN MENU.
Press again →Exits MAIN MENU.
DISPLAY
Press→Displays receivingchannelfor
four seconds.
Press again →Removes display.
• Temporarily displays receiving
channel when in Closed Caption
mode.
Basic Remote Control Functions
POWER
Press →On.
Press again →Off.
REMOTE KEYPAD
Accesses any channel from keypad.
FLASHBACK
Returns to previous channel.
VOLUME UP/DOWN
(+) Increases sound.
(–) Decreases sound.
• In menu mode, changes or selects
the TV adjustments.
MUTE
Press →Mutes sound.
Press again →Restores sound.
• CLOSED CAPTION appears when
sound is muted.

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36R-S60
CIRCUIT PROTECTION
The receiver is protected by a 5.0A fuse (F701),
mounted on PWB-A, wired into one side of the AC
line input.
X-RADIATION PROTECTOR CIRCUITTEST
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 TP653 and make sure
that the voltmeter reads 13.2 ± 0.7V.
5. Apply external 16.2V DC at TP653 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 "S19" and Bus data "01" (Y-mute on).
4. The voltage should be approximately 33.4kV (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.
INSTALLATION AND SERVICE INSTRUCTIONS
Note: (1)When performing any adjustments to resistor controls and transformers use non-metallic
screwdrivers orTV alignment tools.
(2)Before performing adjustments, the TV set must be on at least 15 minutes.

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36R-S60
Figure A.
S01 02
CHANNEL
SERVICE ADJUSTMENT NUMBER
DATA NUMBER
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 serv-
ice 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 Ch-
down button on the remote controller or at the set.
The service adjustment number will vary in
increments of one, from "S01" to "P07". Select the
item you wish to adjust.
3. Data number selection
Press the Vol-up or vol-down button to adjust the data
number.
To enter the service mode and exit serv-
ice mode.
While pressing the Vol-up 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.
55(085)

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36R-S60
SERVICE
NUMBER DATA
ADJUSTMENT ITEM RANGE
INITIAL VALUE
S01 PICTURE 5E 00-7F
S02 TINT 46 00-7F
S03 COLOUR 32 00-7F
S04 BRIGHTNESS 40 00-7F
S05 SHARPNESS 28 00-3F Must be set to "24"
S06 Vert. PHASE 00 00-07 Must be set to "00"
S07 Hor. PHASE 12 00-1F
S08 RF AGC 23 00-3F
S09 Vert. AMPLITUDE 20 00-3F
S10 PIF VCO 2C 00-7F
S11 R CUT-OFF 00 00-FF
S12 G CUT -OFF 00 00-FF
S13 B CUT-OFF 00 00-FF
S14 G GAIN 7F 00-FF
S15 B GAIN 7F 00-FF
S16 TRAP 00 00,01 Must be set to "01"
S17 4B 00-3F
S18 CC POSITION 17 00-FF
S19 MUTE 00 00,01,03 "00" : NORMAL, "01" : Y-MUTE, "03" : V-STOP & Y-MUTE
S20 ENERGY SAVE OFFSET 20 00-3F Must be set to "23"
S21 PERIOD ADJ. 7A 00-FF Must be set to "7A"
S22 FAO VOLUME STEP 25 00-32
S23 TUNER 00 00,01 Must be set to "00"
S24 FAV. COLOR RTONE-G F9 00-FF
S25 FAV. COLOR RTONE-B EB 00-FF
S26 FAV. COLOR BTONE-G 02 00-FF
S27 FAV. COLOR BTONE-B 08 00-FF
S28 COLOR TEMP LOW-G E1 00-FF
S29 COLOR TEMP LOW-B AE 00-FF
S30 COLOR TEMP ML-G FA 00-FF
S31 COLOR TEMP ML-B E7 00-FF
S32 COLOR TEMP HIGH-G 08 00-FF
S33 COLOR TEMP HIGH-B 14 00-FF
OP1 OPTION1 00 00-FF Must be set to "B1"
OP2 OPTION2 00 00-FF Must be set to "C7"
M01 INPUT LEVEL 0A 00-0F
M02 ST VCO 20 00-3F
M03 FILTER 1C 00-3F
M04 WIDE BAND 20 00-3F
M05 SPECTRAL 1B 00-3F
P01 PIP Y-LEVEL 30 00-7F
P02 PIP TINT 29 00-3F
P03 PIP COLOR 2E 00-7F
P04 PIP Y-OFFSET 09 00-1F
P05 PIP H-POSITION 0A 00-FF
P06 PIP BGPM 00 00-0F
P07 PIP FREERUN 0B 00-0F
NECESSARY UNNECESSARY
ADJUSTMENT
PART REPLACED
IC2001
IC201
XData is stored in IC2101.
The adjustment is needed to compensate for characteristics of parts
including IC201 and MTS level (M01).
Holding down both the VOL-up/CH-down buttons on the TV set at service mode for more than 2 seconds will
automatically write the above initial values into IC2101.
Table - A
ADJUSTMENT CONTENTS
NOTES
X
IC2101
IC3001
CRT
IC1801
Holding down both the VOL-up/CH-down buttons on the TV set in
the service mode for more than 2 seconds will automatically write the
above initial values into IC2101. Then perform a complete adjustment.
Adjust items related to picture tube only.
Adjust items related to MTS only (M01~M05).
Adjust items related to P-IN-P only (P01~P07).
Table - B
X
X
X
X

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36R-S60
ËSERVICE ADJUSTMENT
VCO Adjustment
1. Connect a digital voltmeter between pin (44) of IC201
and ground.
2. Receive a good local channel.
3. Enter the service mode and select the service
adjustment "S10".
4. Adjust the data so that digital voltmeter reads 2.2V.
5. Adjustment is completed, remove the voltmeter,
return to "normal" mode.
RF AGC Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S08".
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 "S03" and set the data value to "00" to
set the color level to minimum. (Record original data
code under adjustment "S03" before changing) You
may skip this step, if you selected a B/W picture or
monoscope pattern.
3. Select the service adjustment "S19" and adjust the
data value to "01", this turn off the luminance signal
(Y-mute).
4. Select the service adjustment "S04" and adjust data
value to "4B".
5. Adjust the master screen control until the raster
darkens to the point where raster is barely seen.
6. Adjust the service adjustments "S11" red, "S12" green
and "S13" blue to obtain a good grey scale with
normal whites at low brightness level.
7. Select the service adjustment "S19" and reset data
to "00". Select the service adjustment "S03" and reset
data to obtain normal color level.
8. Reset the master screen control to obtain normal
brightness range.
White Balance Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S03" and set to "00" (minimum
color)(Record original data code under adjustment
"S03" before changing). "S03" does not have to be
adjusted, if you selected a B/W picture or monoscope
pattern.
3. Alternately adjustthe serviceadjustment dataof "S14"
and "S15" until a good grey scale with normal whites
is obtained.
4. Select the service adjustment "S03" and adjust data
to obtain normal color level.
Sub-Picture Adjustment
1. Receive a good local channel.
2. Make sure the customer picture control is set to
maximum.
3. Enter the service mode and select the service
adjustment "S01".
4. Adjust the data value to achieve normal contrast
range.
Sub-Tint Adjustment
1. Receive a good local channel.
2. Set customer tint control to center of it's range.
3. Enter the service mode and select the service
adjustment "S02".
4. Adjust "S02" data value to obtain normal flesh tones.
Sub-Color Adjustment
1. Receive a good local channel.
2. Make sure the customer color control is set to center
position .
3. Enter the service mode and select service adjustment
"S03".
4. Adjust "S03" data value to obtain normal color level.
Sub-Brightness Adjustment
1. Receive a good local channel.
2. Make sure the customer brightness control is set to
center position.
3. Enter the service mode and select the service
adjustment "S04".
4. Adjust "S04" data value to obtain normal brightness
level.

9
36R-S60
Vertical-Size and Linearity Adjustments
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S09".
3. While observing the top and bottom of the screen,
adjust "S09" data value to proper vertical size.
4. Using the R502 control adjust for the best linearity.
Vertical Phase Adjustment
1. Enter the service mode and select the service
adjustment "S06".
2. Adjust data value to "00".
Note: This must be set "00" when changed data
retrace line will appear.
Horizontal Position Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S07".
3. Adjust "S07" data value so that picture is centered.
Caption Position Adjustment (Horizontal)
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S18".
3. A black text box appears on the screen. (see Figure
B. below)
4. Adjust "S18" data value so that text box is positioned
in the center of the screen.
3.58MHzTrap Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "S16".
3. This is a two position adjustment, "00" is ON, "01" is
OFF.
4. Adjust data value to "01" for normal viewing.
Sharpness and Audio Balance Adjustments
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustments "S05" for sharpness and "S17" for audio
balance.
»Sharpness Adjustment
3. Adjust data value to "24"(center of data range) for
sharpness adjustment.
»Audio Balance Adjustment
4. Adjust data value to "20"(center of data range) for
Audio balance adjustment.
Vertical Center Adjustment
1. Receive a good CATV channel.
2. Adjust the S502 so that the picture is centered.
Side Pincushion Adjustment
1. Receive a good CATV channel or crosshatch pattern
signal.
2. Adjust the R676 so that the outermost line on the
screen is straight.
Horizontal Size Adjustment
1. Receive a good CATV channel or crosshatch pattern
signal.
2. Adjust the R678 so that the best horizontal size.
Energy Save Offset Adjustment
1. Enter the service mode and select the service
adjustment "S20".
2. Adjust data value to "23".
Note : This position is used to preset the level for the
energy save function.
Other Adjustments
1. Enter the service mode.
2. Adjust the following data values as listed below.
Figure B.
SERVICE ADJUST DATA
POSITION ITEM (Hex)
S05 SHARPNESS 24
S06 V-PHASE 00
S16 TRAP 01
S20 E-SAVE 23
S21 TIMER 7A
S22 FAO 25
S23 TUNER SETUP 00
S28 COL. TEMP. LOW-G E1
S29 COL. TEMP. LOW-B AE
S30 COL. TEMP. ML-G FA
S31 COL. TEMP. ML-B E7
S32 COL. TEMP. ML-B 08
S33 COL. TEMP. HIGH-G 14
SERVICE ADJUST DATA
POSITION ITEM (Hex)
OP1 OPTION1 B1
OP2 OPTION2 C7

10
36R-S60
ËMTS ADJUSTMENT
MTS Level Adjustment
1. Feed the following monaural signal to pin (14) of
IC3001.
Monaural signal : 300Hz, 245mVrms
2. Connect the rms voltmeter to pin (39) of IC3001.
3. Enter the service mode and select the service
adjustment "M01".
4. Adjust the data so that the rms voltmeter reads 490
±10 mVrms.
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 .
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. Connect the rms voltmeter to pin (39) of IC3001.
2. Receive the following composite stereo signal 1.
Composite stereo signal: 30% modulation, left
channel only, noise reduction on, 300Hz
3. Enter the service mode and select the service
adjustment "M04".
4. Adjust the data until the AC voltage reading of the
RMS voltmeter is minimum.
5. Receive the following composite stereo signal 2.
Stereo signal: 30% modulation, left channel only,
noise reduction on, 3kHz
6. Enter the service mode and select the service
adjustment "M05".
7. Adjust the data until the AC voltage reading of the
rms voltmeter is minimum.
8. Take the above steps 1 thru 7 again for fine
adjustment.

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36R-S60
CHASSIS LAYOUT

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36R-S60
BLOCK DIAGRAM

13
36R-S60
DESCRIPTION OF SCHEMATIC DIAGRAM
NOTES:
1. The unit of resistance "ohm" is omitted.
(K=k Ω =1000 Ω , M=M Ω )
2. All resistors are 1/8 watt, unless otherwise noted.
3. All capacitors are µ F, unless otherwise noted.
(P=pF=µµF)
4. (G) indicates ±2% tolerance may be used.
5. indicates line isolated ground.
VOLTAGE MEASUREMENT CONDITIONS:
1. All DC voltages are measured with DVM connected
between points indicated and chassis ground, line
voltage set at 120VAC and all controls set for normal
picture unless otherwise indicated.
2. All voltages measured with 1000µ V B & W or Color
signal.
WAVEFORM MEASUREMENT CONDITIONS:
1. Photographs taken on a standard gated color bar
signal, the tint setting adjusted for proper color. The
wave shapes at the red, green and blue cathodes of
the picture tube depend on the tint, color level and
picture control.
2. indicates waveform check points (See chart,
waveforms are measured from point indicated to
chassis ground.)
å AND SHADED ( ) COMPONENTS
= SAFETY RELATED PARTS.
ç MARK= X-RAY RELATED PARTS.
This circuit diagram is a standard one, printed circuits
may be subject to change for product improvement
without prior notice.
WAVEFORMS

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36R-S60
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SCHEMATIC DIAGRAM: MAIN-1 Unit

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36R-S60
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SCHEMATIC DIAGRAM: MAIN-2 Unit

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36R-S60
SCHEMATIC DIAGRAM: CRT Unit

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36R-S60
SCHEMATIC DIAGRAM: CONTROL Unit

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36R-S60
PWB-A: MAIN Unit (Wiring Side)

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36R-S60
PWB-A: MAIN Unit (Chip Parts Side)

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36R-S60
PWB-F: CONTROL Unit (Wiring Side)
PWB-B: CRT Unit (Wiring Side)