SERVICE DATA..................................................................................................................................28
TECHNICAL DATA OF KEY ICs......................................................................................................................... 28
SERVICE DATA OF KEY ICs............................................................................................................................... 51
1. The EHT must be checked every time the TV is serviced to ensure that the CRT does
not emit X-ray radiation as result of excessive EHT voltage. The maximum EHT voltage
permissible in any operating circumstances must not exceed the rated value. When
checking the EHT, use the High Voltage Check procedure in this manual using an
accurate EHT voltmeter.
2. The only source of X-RAY radiation in this TV is the CRT. The TV minimizes X-RAY
radiation, which ensures safety during normal operation. To prevent X-ray radiation,
the replacement CRT must be identical to the original fitted as specified in the parts list.
3. Some components used in this TV have safety related characteristics preventing the
CRT from emitting X-ray radiation. For continued safety, replacement component
should be made after referring the PRODUCT SAFETY NOTICE below.
4. Service and adjustment of the TV may result in changes in the nominal EHT voltage of
the CRT anode. So ensure that the maximum EHT voltage does not exceed the rated
value after service and adjustment.
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SAFETY PRECAUTION
WARNING:
REFER SERVICING TO
QUALIFIED SERVICE
PERSONNEL ONLY.
1. The TV has a nominal working EHT voltage. Extreme caution should be exercised when
working on the TV with the back removed.
a. Do not attempt to service this TV if you are not conversant with the precautions
and procedures for working on high voltage equipment.
b. When handling or working on the CRT, always discharge the anode to the TV
chassis before removing the anode cap in case of electric shock.
c. The CRT, if broken, will violently expel glass fragments. Use shatterproof
goggles and take extreme care while handling.
d. Do not hold the CRT by the neck as this is a very dangerous practice.
2. It is essential that to maintain the safety of the customer all power cord forms be replaced
exactly as supplied from factory.
3. Voltage exists between the hot and cold ground when the TV is in operation. Install a
suitable isolating transformer of beyond rated overall power when servicing or connecting
any test equipment for the sake of safety.
4. When replacing ICs, use specific tools or a static-proof electric iron with small power (below
35W).
5. Do not use a magnetized screwdriver when tightening or loosing the deflection yoke
assembly to avoid electronic gun magnetized and decrement in convergence of the CRT.
6. When remounting the TV chassis, ensure that all guard devices, such as nonmetal control
buttons, switch, insulating sleeve, shielding cover, isolating resistors and capacitors,
are installed on the original place.
7. Replace blown fuses within the TV with the fuse specified in the parts list. 8. When
replacing wires or components to terminals or tags, wind the leads around the terminal
before soldering. When replacing safety components identified by the international
hazard symbols on the circuit diagram and parts list, it must be the company-approved
type and must be mounted as the original.
8. Keep wires away from high temperature components.
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PRODUCT SAFETY NOTICE
CAUTION:
FOR YOUR PROTECTION
THE FOLLOWING PRODUCT SAFETY NOTICE
SHOULD BE READ CAREFULLY BEFORE
OPERATING AND SERVICING THIS TV SET.
1. Many electrical and mechanical components in this chassis have special safety-related
characteristics. These characteristics are often passed unnoticed by a visual inspection
and the X-ray radiation protection afforded by them cannot necessarily be obtained by
using replacements rated at higher voltages or wattage, etc. Components which have
these special safety characteristics in this manual and its supplements are identified by the
international hazard symbols on the circuit diagram and parts list. Before replacing any of
these components read the parts list in this manual carefully. Substitute replacement
components which do not have the same safety characteristics as specified in the parts list
may create X-ray radiation.
2. Do not slap or beat the cabinet or CRT, since this may result in fire or explosion.
3. Never allow the TV sharing a plug or socket with other large-power equipment. Doing so
may result in too large load, causing fire.
4. Do not allow anything to rest on or roll over the power cord. Protect the power cord from
being walked on, modified, cut or pinched, particularly at plugs.
5. Do not place any objects, especially heavy objects and lightings, on top of the TV set. Do
not install the TV near any heat sources such as radiators, heat registers, stove, or other
apparatus that produce heat.
6. Service personnel should observe the SAFETY INSTRUCTIONS in this manual during use
and servicing of this TV set. Otherwise, the resulted damage is not protected by the
manufacturer.
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SAFETY SYMBOL DESCRIPTION
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1. Place the TV set on a stable stand or base that is of adequate size and strength to
prevent it from being accidentally tipped over, pushed off, or pulled off. Do not
place the set near or over a radiator or heat register, or where it is exposed to direct
sunlight.
2. Do not install the TV set in a place exposed to rain, water, excessive dust,
mechanical vibrations or impacts.
3. Allow enough space (at least 10cm) between the TV and wall or enclosures for
proper ventilation.
4. Slots and openings in the cabinet should never be blocked by clothes or other
objects.
5. Please power off the TV set and disconnect it from the wall immediately if any
abnormal condition are met, such as bad smell, belching smoke, sparkling,
abnormal sound, no picture/sound/raster. Hold the plug firmly when disconnecting
the power cord.
6. Unplug the TV set from the wall outlet before cleaning or polishing it. Use a dry soft
cloth for cleaning the exterior of the TV set or CRT screen. Do not use liquid
cleaners or aerosol cleaners.
MAINTENANCE
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MECHANICA DISASSEMBLIES
CABINET BACK REMOVAL
1. Refer to Figure 1, remove 7screws.
2. Pull off cabinet back and remove.
9
CHASSIS REMOVAL
1. Remove cabinet back.
2. Discharge the picture tube anode (2
grounding lead).
3. Disconnect Degaussing coil socket (KE). Picture tube socket, Deflection yoke connector
(KDY). Speaker connectors (KL and KR), and 2
4. Remove chassis completely by sliding it straight back.
nd
anode lead) to the dag coating (picture tube
nd
anode lead.
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PICTURE TUBE REMOVAL
CAUTION: Do not disturb the deflection yoke or magnet assembly on the picture tube Neck.
Care must be taken to keep these assemblies intact, unless picture tube is being replaced.
Discharge the picture tube to the coating before handing the Tube.
1. Remove chassis, referring to Chassis Removal instructions.
2. Place cabinet front face down on the soft surface.
3. Remove the screw one ach corner of the picture tube and GENTLY lift the picture tube out
of the cabinet.
4. Install a replacement picture tube in reverse order.
5. Properly install the degaussing coil and picture tube grounding lead on the picture tube.
SeeFigure2.
Note: If the Picture Tube is being replaced, mount the Degaussing Coi l on the picture tube. See
following Figure1.Cabinet Back Removal
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ADJUSTMENTS
SET-UP ADJUSTMENTS
The following adjustments should be made when a complete realignment is required or a new
picture tube is installed.
Perform the adjustments in the following order:
1. Color purity
2. Convergence
3. White balance
Notes:
1. The purity/convergence magnet assembly and rubber wedges need mechanical ositioning.
Refer to Fig1, 2.
2. For some picture tubes, purity/ convergence adjustments are not required.
1. Color Purity Adjustment
Preparation:
Before starting this adjustment, adjust the vertical sync, horizontal sync, vertical amplitude and
focus.
1.1 Face the TV set north or south.
1.2 Connect the power plug into the wall outlet and turn on the main power switch of the TV set.
1.3 Operate the TV for at least 15 minutes.
1.4 Degauss the TV set using a specific degaussing coil.
1.5 Set the brightness and contrast to maximum.
1.6 Counter clockwise rotate the R /B low brightness potentiometers to the end and rotate
the green low brightness potentiometer to center.
1.7 Receive green raster pattern signals.
1.8 Loosen the clamp screw holding the deflection yoke assembly and slide it forward
or backward to display a vertical green zone on the screen. Rotate and spread the
tabs of the purity magnet around the neck of the CRT until the green zone is
located vertically at the center of the screen.
1.9 Slowly move the deflection yoke assembly forward or backward until a uniform
green screen is obtained.
1.10 Tighten the clamp screw of the assembly temporarily. Check purity of the red raster
and blue raster until purities of the three rasters meet the requirement.
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2. Convergence Adjustment
Preparation:
Before attempting any convergence adjustment, the TV should be operated for at least 15
minutes.
2.1 Center convergence adjustment
2.1.1 Receive dot pattern.
2.1.2 Adjust the brightness/contrast controls to obtain a sharp picture.
2.1.3 Adjust two tabs of the 4-pole magnet to change the angle between them and red and blue
vertical lines are superimposed each other on the center of the screen.
Fig. 1
2.1.4 Turn both tabs at the same time keeping the angle constant to superimpose red and blue
horizontal on the center of the screen.
2.1.5 Adjust two tabs of the 6-pole magnet to superimpose RED/BLUE line and green line.
2.1.6 Remember RED and BLUE movement. Repeat step 2.1.3 ~ 2.1.5 until optimal
convergence is obtained.
2.2 Circumference convergence adjustment
2.2.1 Loosen the clamp screw holding the deflection yoke assembly and allow it tilting.
2.2.2 Temporarily put the first wedge between the picture tube and deflection yoke assembly.
Move front of the deflection yoke up or down to obtain better convergence
in circumference. Push the mounted wedge in to fix the yoke temporarily.
2.2.3 Put the second wedge into bottom.
2.2.4 Move front of the deflection yoke to the left or right to obtain better convergence in
circumference.
2.2.5 Fix the deflection yoke position and put the third wedge in either upper space. Fasten the
deflection yoke assembly on the picture tube.
2.2.6 Detach the temporarily mounted wedge and put it in either upper space. Fasten the
deflection yoke assembly on the picture tube.
2.2.7 After fastening the three wedges, recheck overall convergence and ensure to get optimal
convergence. Tighten the lamp screw holding the deflection yoke assembly.
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3. White Balance Adjustment
Generally, white balance adjustment is made with professional equipment. It’s not practical to
get good white balance only through manual adjustment. For TVs with I
the bus data to adjust white balance.
²C bus control, change
13
Fig. 2
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Fig.3
14
CIRCUIT ADJUSTMENTS
Preparation:
Circuit adjustments should be made only after completion of set-up adjustments. Circuit
adjustments can be performed using the adjustable components inside the TV set. For TVs with
2C bus control, first change the bus data.
I
1. Degaussing
A degaussing coil is built inside the TV set. Each time the TV is powered on, the
degaussing coil will automatically degauss the TV. If the TV is magnetized by external strong
magnetic field, causing color spot on the screen, use a specific degausser to demagnetize the
TV in the following ways. Otherwise, color distortion will be shown on the screen.
1.1 Power on the TV set and operate it for at least 15 minutes.
1.2 Receive red full-field pattern.
1.3 Power on the specific degausser and face it to the TV screen.
1.4 Turn on the degausser. Slowly move it around the screen and slowly take it away from
the TV.
1.5 Repeat the above steps until the TV is degaussed completely.
2. Confirmation and Adjustment for Voltage
Caution: +B voltage has close relation to high voltage. To prevent X-ray radiation, set +B
voltage to the rated value.
2.1 Power on the TV and receive Philips test pattern.
2.2 Check the resistors and coils for being burned. (If the fuse is burned out, do not power on
the TV again until the cause is found out.)
2.3 Measure voltages of test points with the digital voltmeter. Measure the CRT high voltage
with the high-voltage testing equipment and heater voltage with the high-frequency effective
voltmeter. The rated values are shown as below.
Table 2
Test Point Voltage (V) Test Point Voltage (V)
Negative of VD871
Positive of C879 5±0.5V
Positive of C882 9±0.5V
82V±5V in standby
134±1.5V in use
Positive of C414 5±0.5V
Positive of C412 9±0.5V
16±
Negative of VD872
1V
Positive of C117 32±1V
Negative of VD402A 12.5±1V
Negative of VD404
Heater 6.3+0.2\-0.3Vrms
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27±1.5V
Negative of VD873 16±1V
Negative of VD874 16±1V
Negative of VD403 190±5.0V
CRT anode
29.5KV±1.2KV (only for 29” CRTs)
30.5KV±1.2KV (only for 34” CRTs)
15
3. High Voltage Inspection
Caution: No high voltage adjustment components inside the chassis. Please perform high
voltage inspection in the following ways.
3.1 Connect a precise static high voltmeter to the second anode (inside the high voltage cap)
of the CRT.
3.2 Plug in the supply socket (240V AC 50Hz) and turn on the TV. Set the brightness and
contrast to minimum (OµA).
3.3 The high voltage reading should be less than the limited EHT voltage.
3.4 Change the brightness from minimum to maximum, and ensure high voltage not beyond the
Caution: Dangerously high voltages are present inside the TV. Extreme caution should be
exercised when working on the TV with the back removed.
4.1 After removing the back cover, look for the FBT on the main PCB. There should be a FCB
on the FBT.
4.2 Power on the TV and preheat it for 15 min.
4 .3 Receive a normal TV signal. Rotate knob of the FCB until you get a sharp picture.
Fig. 4
5. Safety Inspection
5.1 Inspection for insulation and voltage-resistant
Perform safety test for all naked metal of the TV. Supply high voltage of 3000V AC, 50Hz (limit
current of 10mA) between all naked metal and cold ground. Test every point for 3 sec. and
ensure no arcing and sparking.
5.2 Requirements for insulation resistance
Measure resistance between naked metal of the TV and feed end of the power cord to be
infinity with a DC-500 high resistance meter and insulation resistance between the naked metal
and degaussing coil to be over 20M
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6. Service Mode
6.1 To enter the SERVICE mode
Set the volume to 0 by the remote control. Then press and hold the MUTE button
on the remote control and MENU button on the TV at the same time for over 2 seconds.
In the S mode, press the POWER button to quit the S mode.
S
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( “S” is Red and other items are Yellow.)
Use the ↑ ⁄ ↓ bttons on the remote control to highlight an adjustment and the← ⁄ → buttons
to adjust it.
The POS+/-, ↑ ⁄ ↓ , 1~6, RECALL, VOL+/-, MUTE and POWER buttons on the remote control
function in the S mode, but 100+, 7, 8, 9 and 0 buttons not.
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6.2 Adjustments for Service mode and design mode
Table 3
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6.3 Adjustment and Bus date
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STRUCTURE AND CHASSIS FUNCTION DESCRIPTION
1. STRUCTURE BLOCK DIAGRAM
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2. BLOCK DIAGRAM FOR SUPPLY VOLTAGE SYSTEM
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A
A
A
3. CHASSIS DESCRIPTION
General Description
CN-18ED chassis is applied in PF29158E. By use of Toshiba V/C/D-MCU 2IN1 IC for TV small
signal processing and bus control, the chassis enables TV tuning, adjustment, control and picture
correction, featur
compact circuit with fewer external components. The chassis, widely used in small and medium TVs,
provide
2 In 1 IC TMAP8827CSNG with function of E/W correction for PAL small signal processing
and bus control
EEPROM AT24C16 for data memory
s much more convenience for manufacturing and technical service. It includes:
ing high integration, highperformance-to-price ratio and high reliability and
LA78041
TDA8944J for audio power amplifying
Thick-film IC STR-G8656 for power circuit adjustment and control
AV control TC90L01N
The following features are available in the chassis:
Color systems: PAL NTSC SECAM
Sound systems: B/G D/K I M
236 programs preset
Multilingual on screen display
²C bus control
I
AV Stereo
Game
Biorhythm
Calendar inquiry
The chassis mainly uses the following ICs and assemblies.
for vertical output power amplifying
Table 5 Key ICs and Assemblies
No. Position Type Description
1 N230
2 N210 CH08T0605 (A8827CSNG5BK0 ) 2IN1 IC (Small signal processor + micro control (UOC))
3 N601 TA1343N
4 N603 TDA8944J Stereo audio power amplifier
5 N301 LA78041 Vertical scan output stage circuit
6 N801 STR-G8656 Switch-mode power supply control
7 N901 TC90L01N
8 A101 TDQ-5B4 M Tuner
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T24C016 EERPOM
udio processor
V switch
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SERVICE DATA
TECHNICAL DATA OF KEY ICs
1. TOSHIBA 2IN1 IC SERIES TMPA8827CMNG /CPNG/CSNG
MCU AND SIGNAL PROCESSOR FOR A PAL/NTSC/SECAM TV
The TMPA8827CMNG /CPNG /CSNG is an integrated circuit for a PAL/ NTSC/SECAM TV. A
MCU and a TV signal processor are integrated in a 64-pin shrink DIP package. The MCU
contains 8-bit CPU, ROM, RAM, I/O ports, timer/ counters, A/D converters, an on-screen
display controller, remote control interfaces, IIC bus interfaces and the Closed Caption decoder.
The TV signal processor contains PIF, SIF, Video, multi-standard chroma, Deflection, RGB
processors.
High speed 8 bit CPU (TLCS-870/X series)
Instruction execution time:0.5 µ s (at 8MHz)
(TMPA8827CMNG)
32-Kbytes ROM, 2-Kbytes RAM
(TMPA8827CPNG)
48-Kbytes ROM,2-Kbytes RAM
(TMPA8827CSNG)
64-Kbytes ROM,2-Kbytes RAM
ROM correction
12 I/O ports
14bit PWM output 1 ch for a voltage
Synthesizer
7-bit PWM output 1 channel
8-bit A/D converter 3 ch for a touch key input
with Key ON wake-up CIRCUIT
Remote control signal preprocessor
Two 16-bit internal timer / counter 2 ch
Two 8-bit internal timer / counter 2 ch
Time base timer,watchdog timer
16 interrupt sources:external 5, internal 11
IIC bus interface (multi-master)
TV Processor
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CCD Decorder
Digital data slicer for NTSC
OSD
Clcok generation for OSD display
Font ROM charaters:384 charaters
Charaters display:32 columns x 12 lines
Composition: 16 x 18 dots
Size of charaters: 3 (line by line)
Color of charaters: 8 (charaters by charater)
Display position:H 256/V 512 steps
Box function
Fringing, smoothing, Italic, underline
function
Conform to CCD REGULATION
Jitter elimination
IF
Intergrated PIF VCO aligned auto
Negative demodulation PIF
Multi-frequency SIF demodulator without external Tank-coil
Intergrated 1 H base-band delay line
Base-band TINT control
Internal OSD interface
Half-tone and transparent for OSD
External YCbCr interface for DVD
RGB cut-off / drive controls by bus
ABCL (ABL and ACL combined)
Sync.
Integrated fH x 640 VCO
DC coupled vert. ramp output (single)
EW correction with EHT input
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2) Block Diagram
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Fig. 8 Block Diagram
31
3) Basic Structure
3.1) Internal Connections
TMPA8827 has two pieces of IC chip in one package, using Multi-Chip-Package (MCP)
technology. One is a micro controller (MCU) and the other one is a signal processor (SP) for a
color TV. There are some internal connections between these two ICs for handling below
signals.
Table 6 Signal Name Direction Description
No. Signal Name Direction Description
1 SCL M to S Internal IIC bus SCL
2 SDA Bi-direction Internal IIC bus SDA
3 OSD R M to S OSD signal connection
4 OSD G M to S OSD signal connection
5 OSD B M to S OSD signal connection
6 OSD Y/BL M to S OSD display control
7 OSD I, CS
OUT
8 C-Video S to M Composite video signal from internal video switch, for
9 C-Sync S to M Composite sync. signal from sync. Separator, for CCD
10 HD S to M Horizontal timing pulse regenerated from FBP, for OSD
11 VD S to M Vertical timing pulse from sync. Separator, for OSD
12 CLK M to S 8 MHz clock
13 AVDD M to S Reference voltage for C-Video interface
14 ADC S to M A/D converter monitoring RF-AGC, R-Y and B-Y
Functions of SP from MCU are controllable through the IIC bus of the internal connections.
3.2) Power Supply
TMPA8827 has some power supply and GND pins. Power supplies related MCU must be
applied at the first. Power supplies for H.VCC and TV D.VCC are the second with at least 100
ms delay after MCU power ON. The other power supplies are the last, which are recommended
to be supplied from a regulator circuit using FBP.
3.3) Crystal Resonator
solution requires two resonators at least, one for MCU and the other one for SP. An oscillation
clock with the crystal resonator of TMPA8827is supplied for MCU operation, PIF VCO
automatic alignment, alignment free AFT, chroma demodulation and horizontal oscillation. The
oscillation frequency is very important so that those of functions work properly, so that
designing the oscillation frequency
accurately is required. The spec of crystal is recommended to be within
fosc: 8 MHz +/-20 ppm
ftemp: 8 MHz +/-40 ppm (-20°C to +65°C)
While RESET of MCU is active, the MCU function stops. Hardware and software initialization
sequence including power supplies control is required, because status of any hardware after
the RESET period is unknown especially horizontal oscillator which is a very basic timing
generator of SP operation.
TMPA8827 requires only one crystal resonator, in stead that a conventional two-chip
M to S OSD half-tone control/Test pattern signal
CCD
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MCU Block
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2. AUDIO POWER AMPLIFIER TDA8944J
2 X 7 W STEREO BRIDGE TIED LOAD (BTL) AUDIO AMPLIFIER
1) General Description
The TDA8944J is a dualchannel audio power amplifier with an output power of 2 x 7 W at an 8Ω
load and a 12 V supply. The circuit contains two Bridge Tied Load (BTL) amplifiers with an
all-NPN output stage and standby/mute logic. The TDA8944J comes in a 17 -pin DIL -bent-SIL
(DBS) power package. The TDA8944J is printed-circuit board (PCB) compatible with all other
types in the TDA894x family. One PCB footprint accommodates both the mono and the stereo
products.
2) Features
Few external components
Fixed gain
Standby and mute mode
No on/off switching plops
Low standby current
High supply voltage ripple rejection
Outputs short-circuit protected to ground, supply and across the load
Thermally protected
Printed-circuit board compatible.
3) Blaock Diagram
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4) Pinning Information
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3. VERTICAL SCAN OUTPUT STAGE CIRCUIT LA78041
Both LA78040/LA78041 are vertical scan output stage power amplifiers. But there
is a little bit difference between the two amplifiers, that is, LA78040 has supply voltage of
24V and output current of 1.8AP-P while LA78041 has supply voltage of 30V and output
current of 2.2AP-P. LA78041 (N301)
Vertical Deflection Output Circuit
1) Features
Low power dissipation due to built-in pump-up circuit Vertical output circuit
Thermal protection circuit built in Excellent crossover characteristics DC coupling possible
Automotive Grade and Extended Temperature Devices Available
8-lead PDIP, 8 -lead JEDEC SOIC, 8 -lead MAP and 8 -lead TSSOP Package
2-wire
Serial EEPROM
AT24C01A 1K (128 x 8)
AT24C02 2K (256 x 8)
AT24C04 4K (512 x 8)
AT24C08 8K (1024 x 8)
AT24C16 6K (2048 x 8)
2) Description
The AT24C01A/02/04/08/16 provides 1024/2048/4096/8192/16384 bits of serial electrically
erasable and programmable read-only memory (EEPROM) organzed as 128/256/512/1024/2048
words of 8 bits each. The device is optimized for use in many industrial and commercial applications
where low-power and low-voltage operations are essential. The AT24C01A/02/04/08/16 is available
in space -saving 8 -pin PDIP, 8 -lead JEDEC SOIC, 8 -lead MAP and 8-lead TSSOP packages and
is accessed via a 2-wire serial interface. In addition, the entire family is available in 2.7V (2.7V to
5.5V) and 1.8V (1.8V to 5.5V) versions.
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3) Pin Configuration
40
Table 10
Fig. 14
Fig. 15
4) Pin Description
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each EEPROM
device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bi-directional for serial data transfer. This pin is opendrain
driven and may be wired with any number of other open-drain or open-collector devices.
DEVICE / PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device address inputs that
are hard wired for the AT24C01A and the AT24C02. As many as eight 1K/2K devices may be
addressed on a single bus system (device addressing is discussed in detail under the Device
Addressing section).
The AT24C04 uses the A2 and A1 inputs for hard wire addressing and a total of four 4K devices may
be addressed on a single bus system. The A0 pin is a no connect.
The AT24C08 only uses the A2 input for hardwire addressing and a total of two 8K devices may be
addressed on a single bus system. The A0 and A1 pins are no connects.
The AT24C16 does not use the device address pins, which limits the number of devices on a single
bus to one. The A0, A1 and A2 pins are no connects.
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WRITE PROTECT (WP): The AT24C01A/02/04/16 has a Write Protect pin that provides
hardware data protection. The Write Protect pin allows normal read/write operations when
connected to ground (GND). When the Write Protect pin is connected to Vcc, the write
protection feature is enabled and operates as shown in the following table.
Table 11
WP Pin Part of the Array Protected
24C08
Status
At Vcc
At GND Normal Read/Write Operations
5) Memory Organization
AT24C01A, 1K SERIAL EEPROM: Internally organized with 16 pages of 8 bytes each, the 1K
requires a 7 -bit data word address for random word addressing.
AT24C02, 2K SERIAL EEPROM: Internally organized with 32 pages of 8 bytes each, the 2K
requires an 8 -bit data word address for random word addressing.
AT24C04, 4K SERIAL EEPROM: Internally organized with 32 pages of 16 bytes each, the 4K
requires a 9 -bit data word address for random word addressing.
AT24C08, 8K SERIAL EEPROM: Internally organized with 64 pages of 16 bytes each, the 8K
requires a 10 -bit data word address for random word addressing.
AT24C16,16K SERIAL EEPROM: Internally organized with 128 pages of 16 bytes each, the 16K
requires an 11-bit data word address for random word addressing.
6) Block Diagram
24C01A
Full (1K)
Array
24C02
Full (2K)
Array
24C04
Full (4K)
Array
Normal
Read/
Write
Operation
24C16
Upper
Half
(8K)
Array
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Fig.16 Block Digram
5. SWITCH -MODE POWER SUPPLY IC STRG5653/G8656
1) General Description
The STRG5653/G8656 are part of the STRG5600/G8600 series thick-film ICs for switch-mode
power supply incorporating power MOSFET with a high-precise error amplifier. The ICs feature
fewer external components, small-size and standard power supply.
The series STR-G8600 use Chip on Chip technology with the same operation principle as
STR-G5600. Pin configuration, function and threshold of STR-G8600 are compatible with those of
STR-G5600.
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6. TC9 0L01N
AUDIO / VIDEO SWITCHING IC FOR TVs
The TC90L01N is an audio/video switching IC
for TV sets. Conforming to I
it allows you to perform various switching
operations through the bus lines by using a
microcomputer. This IC has the functions of
audio mute, ALC (Auto Level Control), audio
volume and so on.
1) Features
²C bus control
· I
Video: 3-channel input abd 1-channel
outputs
(1 channels conforming to S system)
Audio: 3-channel inputs and 3-channel
outputs
Monitor Audio out
ALC (Auto Level Control)
Audio Volume by attenuator circuit
Audio mute
2 I/O ports
2C bus standards,
2) Pin Assignment
Fig. 18
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Fig.19 Pin Assignment
3). Block Diagram
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Fig. 20 Block Diagram
4) Pin Description
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7. TA1343N
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2) Block Diagram
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Fig.21
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3) Terminal Function
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Table 14
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SERVICE DATA OF KEY ICs
Table 15 Functions and Service Data of A8827CSNG5BK0 (N210)’s Pins