Teac EC-2560 User manual

SERVICE MANUAL
CTM5954
59CM CTV
APR03 CTM5954SERV

TEAC
SERVICE MANUAL
1. Caution……………………………………………………………2
2. Specification………………………………………………………6
3. BOM List ……………………… …………...Temporary Absence
4. Alignment Procedure………………………………………….…13
5. Block Diagram……………………………………………………19
6. Schematic Diagram………………………………………………20
7. PCB Layout………….……………………………………………21
This manual is the latest at the time of
p
rintin
g
, and does not
include the modification which ma
y
be made after the
p
rintin
g
, b
y
the constant improvement of product.
EC-2560

WARNING: TOREDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION: TO REDUCE THE RISK OF
ELECTRICAL SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER SERVICEABLE
PARTS INSIDE. REFER SER VICING TO
QUALIFIED SERVICE PERSONNEL.
The lighting flash with arrowhead symbol, with an equilateral triangle is intended to
alert the user to the presence of uninsulated voltage within the products
enclosure that may be of sufficient magnitude to constitute a risk of electric shock to
the person.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
CAUTION:
Use of controls, adjustments or procedures other than those specified herein may result in
hazardous radiation exposure.
CAUTION
RISKRISK OFOF ELECTRIELECTRICC
SHOCKSHOCK DODO NOTNOT OPEN.OPEN.
2
dangerous

3
FOR YOUR PERSONAL SAFETY
1. When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
2. Do not overload wall outlets and extension cords as this can result in fire or electric shock.
3. Do not allow anything to rest on or roll over the power cord, and do not place the TV where power cord is subject to
traffic or abuse. This may result in a shock or fire hazard.
4. Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified service personnel.
5. Never push objects of any kind into this television set through cabinet slots as they may touch dangerous voltage
points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the television set.
6. If the television set has been dropped or the cabinet has been damaged, unplug this television set from the wall outlet
and refer servicing to qualified service personnel.
7. If liquid has been spilled into the television set, unplug this television set from the wall outlet and refer servicing to
qualified service personnel.
8. Do not subject your television set to impact of any kind. Be particularly careful not to damage the picture tube surface.
9. Unplug this television set from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
10.1. Do not place this television set on an unstable cart, stand, or table. The television set may fall, causing serious injury
to a child or an adult, and serious damage to the appliance.Use only with a cart or stand recommended by the
manufacturer, or sold with the television set. Wall or shelf mounting should follow the manufacturer s instructions, and
should use a mounting kit approved by the manufacturer.
10.2. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to overturn.
CAUTION:
Read all of these instructions. Save these instructions for later use.Follow all Warnings and
Instructions marked on the audio equipment.
1. Read Instructions- All the safety and operating instructions should be read before the product is operated.
2. Retain Instructions- The safety and operating instructions should be retained for future reference.
3. Heed Warnings- All warnings on the product and in the operating instructions should be adhered to.
4. Follow Instructions- All operating and use instructions should be followed.
IMPORTANT SAFETY INSTRUCTIONS

4
PROTECTION AND LOCATION OF YOUR SET
11. Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a
wet basement, or near a swimming pool, etc.
Never expose the set to rain or water.If the set has been exposed to rain or water, unplug the set from the wall
outlet and refer servicing to qualified service personnel.
12. Choose a place where light (artificial or sunlight) does not shine directly on the screen.
13. Avoid dusty places, since piling up of dust inside TV chassis may cause failure of the set when high humidity persists.
14. The set has slots, or openings in the cabinet for ventilation purposes, to provide reliable operation of the receiver, to
protect it from overheating. These openings must not be blocked or covered.
Never cover the slots or openings with cloth or other material.
Never block the bottom ventilation slots of the set by placing it on a bed, sofa, rug, etc.
Never place the set near or over a radiator or heat register.
Never place the set in enclosure, unless proper ventilation is provided.
PROTECTION AND LOCATION OF YOUR SET
15.1. If an outside antenna is connected to the television set, be sure the antenna system is grounded so as to provide some
protection against voltage surges and built up static charges, Section 810 of the National Electrical Code, NFPA No.
70-1975, provides information with respect to proper grounding of the mast and supporting structure, grounding of the
lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection
to grounding electrode, and requirements for the grounding electrode.
15.2. Note to CATV system installer : (Only for the television set with CATV reception)
This reminder is provided to call the CATV system attention to Article 820-40 of the NEC that provides
guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding
system of the building, as close to the point of cable entry as practical.
16. An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power
circuits, or where it can fall into such power lines or circuits.When installing an outside antenna system, extreme care
should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
17. For added protection for this television set during a lightning storm, or when it is left unattended and unused for long
periods of time, unplug it from the wall outlet and disconnect the antenna. This will prevent damage due to lightning
and power-line surges.
ANTENNA
LEAD- IN WIRE
ANTENNA DISCHARGE
UNIT (NEC SECTION
810-20)
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250. PART H)
ELECTRIC SERVICE
EQUIPMENT
GROUND CLAMP
NEC-NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS
a built-in
installer s

OPERATION OF YOUR SET
18. This television set should be operated only from the type of power source indicated on the marking label. If you are not
sure of the type of power supply at your home, consult your television dealer or local power company. For television
sets designed to operate from battery power, refer to the operating instructions.
19. If the television set does not operate normally by following the operating instructions, unplug this television set from the
wall outlet and refer servicing to qualified service personnel. Adjust only those controls that are covered in the operating
instructions as improper adjustment of other controls may result in damage and will often require extensive work by a
qualified technician to restore the television set to normal operation.
20. When going on a holiday : If your television set is to remain unused for a period of time, for instance, when you go on
a holiday, turn the television set and unplug the television set from the wall outlet.
IF THE SET DOES NOT OPERATE PROPERLY
21. If you are unable to restore normal operation by following the detailed procedure in your operating instructions,
do not attempt any further adjustment. Unplug the set and call your dealer or service technician.
22. Whenever the television set is damaged or fails, or a distinct change in performance indicates a need for
service, unplug the set and have it checked by a professional service technician.
23. It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being
turned on or off.If the snapping or popping is continuous or frequent, unplug the set and consult your
dealer or service technician.
FOR SERVICE AND MODIFICATION
24. Do not use attachments not recommended by the television set manufacturer as they may cause hazards.
25.When replacement parts are required, be sure the service technician has used replacement parts specified
by the manufacturer that have the same characteristics as the original part. Unauthorized substitutions
may result in fire, electric shock, or other hazards.
26. Upon completion of any service or repairs to the television set, ask the service technician to perform
routine safety checks to determine that the television is in safe operating condition.
5
off

6
PRODUCT SPECIFICATION
MODEL：
：：
：2560
AMBIENT CONDITIONS：
：：
：
AMBIENT TEMPERATURE：
：：
：
OPERATING ：
：：
：-10°
°°
°C ~ +40°
°°
°C
STORAGE ：
：：
：-15°
°°
°C ~ +45°
°°
°C
HUMIDITY
OPERATING：＜
：＜：＜
：＜80%
STORAGE: ＜
＜＜
＜90%
AIR PRESSURE: 86kpa ~ 106kpa
PREPAREDBY: DATE:
APPROVEDBY: DATE:

7
A: GENERAL SPECIFICATION :
1: CRT
14”20”
21”
X
X 25”
29”34”OTHER
2: CHASSIS:
DIGITAL NICAMSTEREO
X
X ANALOG
SURROUND SOUND TELETEXT GERMANSTEREO
X
X S.VHS OTHER
3: CPU:
TSB M5C01 TSB M5C03 TSB M5ENG TSB M6/M6A TSB
M7/M7A
TSB M8A TSB M8B TSB CTS-654A TSB M2A SS M4F
PHIL.CTV 222S MIT.(2911) SIE SDA 5352
X
X OTHERS M13
4: TV BROADCASTING SYSTEM AND COUNTRY
PAL-I
X
X PAL-BG PAL-DK PAL-DK.1
PAL-DK.BG SECAM-BG SECAM-L SECAM-DK.BG
PAL-N NTSC-M
X
X
NTSC3.579/4.43 AV MODE 21 MULTI SYSTEM
UK HK GERMAN RUSSIA
CHINA USA E.EUROPE VIETNAM
CANADA DUBAI INDONESIA S.AFRICA
MALAYSIA MID. AMERICA SINGAPORE ISRAEL
X
X AUSTRALIA & NEW ZEALAND TAIWAN MOROCCO
PHILIPPINES OTHER
5：RECEIVING CHANNELS
CH21--CH69 CH2--CH12（CCIR）
CHFA-CHS20（FRANCE BAND）CH2--CHS41（HYPER BAND）
CH21--CH69 CH21--CH69

8
CH2--CHS20（CABLE BAND）CH2--CH13（USA BAND）
CH21--CH69 CH14--CH83
CHR1--CHR12（OIRT）CH1--CH12/CH13-CH57（CHINA BAND）
X
X OTHER CATV 470MHz
6：SCANNING LINES AND FREQUENCIES
625 LINES 15.625kHz 50Hz
525 LINES 15.75kHz 60Hz
X
X
525/625 LINES 15.625kHz /15.75kHz 50/60Hz
7：COLOUR SUB-CARRIER
X
X
4.433MHz
X
X
3.579MHz 3.58MHz
8：INTERMEDIATE FREQUENCIES
PICTURE 39.5MHz SOUND 6.0MHz
X
X PICTURE 38.9MHz
X
X SOUND5.5MHz
PICTURE 38.0MHz SOUND 6.5MHz
PICTURE 45.75MHz SOUND 4.5MHz
OTHER AM SOUND 6.5MHz
9：POWER CONSUMPTION ：
65W 70W 75W 80W
X
X 110W 120W
130W 140W 180W 190W OTHER
10：POWER SOURCE ：
AC 120V 60Hz±10％
AC 200V 50Hz±10％
AC 220V 50Hz±10％
AC 220V 50Hz+10％~25％
X
X
AC 240V 50Hz±10％
AC 110V-240V 50/60Hz±10％
OTHER

9
11：AUDIO OUTPUT POWER (7％THD)
13”&14”---1W
20”& 21”---2W
20”& 21”---2W + 2W (R + L)
25”---4W + 4W (R + L)
29”>=6W + 6W (R + L)
34”---8W + 8W(R + L)
X
X OTHER 25”>=6W+6W(R+L)
12：AERIAL INPUT IMPEDANCE
X
X 75ΩUNBALANCED DIN JACK ANT.INPUT75
75ΩUNBALANCED F TYPE ANT.INPUT FOR NTSC
300 ΩBALANCED（TWO TERMINALS ANT.INPUT）
OTHER
13：PRODUCT SAFETY REQUIREMENT
BS APPROVAL
VDE APPROVAL
UL APPROVAL
CHINA APPROVAL
CB APPORVAL
OTHER
14：PRODUCT EMC/EMI REQUIREMENT
FTZ APPOVAL
FCC APPROVAL
CHINA APPOVAL
OTHER
B：BASIC FEATURES OF CONTROLLER
1：CHANNEL TUNING METHOD

10
X
X VOLTAGE SYNTHESIZER (V.S.)
PLL FREQUENCY SYNTHESIZER (F.S.)
2：PRESETTABLE PROGRAM
50PROGRAMS 0-99 PROGRAMS
X
X 100 PROGRAMS 181 PROGRAMS
OTHER
3：TUNING FOR VHF AND UHF BANDS
X
X
AUTO SEARCH）
X
X
MANUAL TUNING）
X
X FINE TUNING
4：PICTURE AND SOUND ADJUSTMENT
X
X BRIGHT，CONTRAST，COLOUR AND VOLUME CONTROL
X
X TINT CONTROL(NTSC)
X
X TREBLE，BASS，BALANCE CONTROL
X
X SHARPNESS CONTROL OTHER
5：TELETEXT
SIMPLETEXT TOP(TABLE OF PAGES)
FLOF(FASTEXT) LIST
6：ON SCREEN DISPLAY
X
X
GENERAL FEATURES∗STEREO DUAL LAN.
FOUR S.EFFECT INDICATOR GERMAN STEREO INDICATOR
注： ∗REMARK：OSD-GENERAL FEATURES OF CPU：
VOLUME，BRIGHTNESS，CONTRAST，COLOUR，PROGRAM，BAND，
AUTOSEARCH，MANUAL，TUNE，MUTING，AV AND SLEEP TIMER．
7：SLEEP TIMER
X
X 10-120 MINUTES WITH 10M.INCREMENT
8：AUTO OFF WHEN NO BROADCASTING SIGNAL
10min
X
X 15min 20 min

11
9：FULL FUNCTION INFRARED REMOTE CONTROL
P/NOFREMOTECONTROLINLAY) :
10：REMOTE EFFECTIVE DISTANCE 8 m
C：CONSTRUCTION OF FRONT PANEL
X
X MAINPOWERSWITCH FUNCTION SELECT
X
X REMOTESENSOR
X
X MENUSELECT
SYSTEMFUNCTION S.VHS INPUT
MICROPHONE INPUT
X
X TV/AVSELECT
X
X STANDBY INDICATOR
X
X PROGRAM VOLUME UP/DOMN
BAND SELECT
X
X RCA SOCKET (SIDE)
EARPHONE INPUT OTHER
AUTO SEARCH AND MANUAL TUNING SELECT
D：CONSTRUCTION OF REAR PANEL
X
X 75ΩAERIAL TERMINAL
300ΩAERIAL TERMINAL
RCA SOCKET(AV INPUT ONLY
RCA SOCKET--AV IN/OUT
X
X
RCA SOCKET --A-R+L IN/OUT，V- IN/OUT
RCA SOCKET --A-R+L /V INPUT X 2，
SCART SOCKET
X
X S.VHS INPUT
EXT/INT SPEAKER SELECT
EXT.SPEAKERS（R+L）TERMINALS
EXT.SPEAKERS（R+L）RCA SOCKET
SUPER WOOFER TERMINAL
OTHER
E：AUDIO AND VIDEO INPUT/OUTPUT

12
X
X RCA SOCKET
SCART SOCKET(AV)
S SCART SOCKET(FULL)
SPECIFICATION SCART RCA
VIDEO INPUT 75ΩS 1VP-P 1VP-P
AUDIO INPUT 10kΩ(R+L) 0.5VrmS 0.5VrmS
VIDEO OUTPUT 75Ω1VP-P 1VP-P
AUDIO OUTPUT 1kΩ(R+L) 0.5VrmS 0.5VrmS
RGB INTPUT 75Ω0.7VP-P
AUDIO LINE OUTPUT 1kΩ1VP-P
F：OTHERS INFORMATION
1. FLYBACK ：
2. TUNER ：
3. SAW FILTER ：
4. POWER CORD ：
5. FUSE ：
6. COLOUR TEMP ：
7. MAGNETIC FIELD ：
8. IC EEPROM ：
9. IR RECEIVER ：
10. CIRCUIT DIAGRAM ：
11. MAIN BOARD ：

TB1240 + TCLM13 chassis alignment instruction
Enter factory mode in production line
Simply press the D-mode key on the factory remote handset.
Enter service mode
Press and hold the VOLUME DOWN key tightly on the unit until minimum level and don’t release the
VOLUMN DOWN key, then press the DISPLAY key on the remote handset three times.
“D” letter on the screen indicated that the factory mode was entered. Now you can use the shortcut key
to access the factory menu. All change in factory data will save in EEPROM automatically
Note:
1. You can disable the D-Mode key (on factory remote handset) by change “BIT-0” of “MODE2” to
“0”. If the D-Mode key was disabled, you can’t enter D-Mode by the D-mode key on the factory
remote (but you can still enter service mode). It is suggested to disable the D-Mode key before the
set leave the factory.
2. On the factory remote handset, you can find the “BUS OFF” key. It can cut off the I2C control from
the CPU to other IC. This is only useful when automatic adjustment of white balance.
3. All system data in menu of “key 7” must keep unchanged when servicing. Otherwise, the set may not
work properly.
Setting method:
No Adjustment
Items Data Name (default value inside blanket) Conditions and input signal Setting method (need enter D-mode)
1 Screen
voltage ------------ “IRGB cut off” must set to 80 (all
pattern)
Press “MUTE” key on the remote handset
and the screen will become a horizontal
line. Then adjust the “screen” VR on the
flyback until the horizontal line can just be
seen (minimum visible intensity).
2 Focus voltage ------------ Cross hatch
pattern.
Adjust the “focus” VR on the flyback until
the screen becomes clear.
3 VCO ------------ Apply an IF
signal (see tuner
spec. For
frequency) to the
IF input.
Monitor the DC voltage at pin 48 o
f
IC201, then adjust T271 until the voltage at
pin 48 become 4.62 +/- 0.02 V.
Press the AFT button on the factory remote
and AFT adjustment will be done
automatically.

4 Vertical
geometry for
PAL system
(Key 2)
VPOS50 (04)
HIGH50 (25)
VLIN50 (04)
VSC50 (05)
OSD50 (20)
Input a PAL cross
hatch pattern.
Adjust VPOS50 for vertical position.
Adjust HIGH50 for vertical amplitude.
Adjust VLIN50 for vertical linearity.
Adjust VSC50 for vertical S-correction
Adjust OSD50 for OSD position (normally
use default value).
5 Vertical
geometry for
NTSC system
(Key 3)
VPOS60 (00)
HIGH60 (2E)
VLIN60 (05)
VSC60 (0A)
OSD60 (89)
Input a NTSC
cross hatch
pattern.
Adjust VPOS60 for vertical position.
Adjust HIGH60 for vertical amplitude.
Adjust VLIN60 for vertical linearity.
Adjust VSC60 for vertical S-correction
Adjust OSD60 for OSD position (normally
use default value).
6 Horizontal
geometry for
PAL system
(Key 4)
HPOS50 (0D)
HSIZE50 (2A)
PARA50 (14)
TRAP50 (0E)
CORN50 (0A)
VEHT50 (03)
HEHT50 (02)
Input a PAL cross
hatch pattern with
black and white
background.
Adjust HPOS50 for horizontal position.
Adjust HSIZE50 for horizontal width.
Adjust PARA50, TRAP50 and CORN50
until the vertical line at left and right side
of the picture become straight.
VEHT and HENT is for the picture size
stability when changing the brightness o
f
the screen. Receive pattern of cross hatch
with black background and then change to
white background, then compare the
vertical and horizontal size between black
and white background. Adjust VEHT and
HEHT until you get the minimum
difference of screen size. After you adjust
VEHT and HEHT, you must re-adjust
vertical and horizontal amplitude.
7 Horizontal
geometry for
NTSC system
(Key 5)
HPOS60 (11)
HSIZE60 (2A)
PARA60 (18)
TRAP60 (0D)
CORN60 (0D)
VEHT60 (03)
HEHT60 (02)
Input a NTSC
cross hatch
pattern with black
and white
background.
Adjust HPOS60 for horizontal position.
Adjust HSIZE60 for horizontal width.
Adjust PARA60, TRAP60 and CORN60
until the vertical line at left and right side
of the picture become straight.
Adjust VEHT and HEHT using same
method of PAL system. Also need re-
adjustment of vertical and horizontal
amplitude.
1
2Key 6 (Status
adjustment)
RFAGC (25)
PIFAFT (44)
HAFC (00)
S-B-Y (08)
S-R-Y (08)
VOL 05 (48)
VOL 25 (65)
VOL OUT(73)
Receive a 60dB
grey scale + color
bar signal
RFAGC – monitor the voltage at AGC pin
of the tuner. Then increase the setting o
f
RFAGC until the tuner AGC voltage reach
maximum (about 5V). Then decrease the
RFAGC setting until the AGC voltage just
drop.
Adjust S-B-Yand S-R-Yto get the optimal
color for SECAM system.
Please keep the PIFAFT value after auto
AFT adjustment.
HAFC item must use the default value.

(curve of
volume
control)
--------- VOL05 is the volume output level at 5%
VOL25 is the volume output level at 25%
Remark: The value of VOL05 and VOL25 was
not suggested to vary in every set. It is
suggested to use the default value.
13 White balance
adjustment
(key 1)
R CUT (6B)
G CUT (9E)
B CUT (7C)
G DRV (39)
B DRV (35)
Black and white
pattern (PAL) 1. Measure the dark side of the picture with a color analyzer and set RCUT to 80. Then
adjust BCUT and GCUT until the data on
the analyzer become x = 284, y = 299.
2. Measure the bright side of the picture,
Then adjust BDRV and GDRV until the
data on the analyzer become x = 284, y =
299.
3. Repeat step 1 and 2 until you get right
color on both dark and bright side of the
screen.
Other adjustment (default value was suggested, except BRTC)
8Key0 OSD(0A)
TXCX (30)
RGCN (20)
TNTX (25)
TNTN (32)
FMMODE (13)
DKFMMD (20)
---------- OSD – OSD position
TXCX – OSD intensity when maximum
contrast
RGCN – OSD intensity when minimum
contrast
TNTX – maximum tint level
TNTN – minimum tint level
FMMODE – frequency shift for FM (mono)
mode, only useful for NICAM
model
DKFMMD - frequency shift for DK NICAM
mode
9Key8 SCNT(0F)
CNTX (3F)
CNTN (00)
BRTX (20)
BRTN (25)
COLX (35)
COLN (00)
---------- SCNT – sub contrast for luminance signal
CNTX – maximum contrast
CNTN – minimum contrast
BRTX – maximum brightness
BRTN – minimum brightness
COLX – maximum color
COLN – minimum color
10 Key 9 CNTC (22)
BRTC (37)
COLC (50)
TNTC (35)
COLP (00)
COLS (54)
BRTS (00)
---------- CNTC – 50% contrast
BRTC – 50% brightness
COLC – 50% color
TNTC – 50% tint
COLP – color level for PAL
COLS – color level for SECAM
BRTS – sub brightness for SECAM
For the adjustment of BRTC, receive an 8
step grey scale pattern and adjust all
picture settings to 50%. Then adjust BRTC
until the first and second step on the screen
can just be distinguished.

11 Two digit key
-/--
(sharpness
adjustment)
SHPTV3 (1A)
SHPAV3 (1A)
SHPTV4 (18)
SHPAV4 (18)
SHPX (1A)
SHPN (1F)
---------- SHPTV3 – 50% sharpness in 3.58 system
(TV)
SHPAV3 – 50% sharpness in 3.58 system (AV)
SHPTV4 – 50% sharpness in 4.43 system
(TV)
SHPAV4 – 50% sharpness in 4.43 system (AV)
SHPX – maximum sharpness
SHPN – minimum sharpness
13 KEY CALL DBE STR 50
DBE HMC 0D
DBE HP 07
DBELP 00
DBE LIM FO
SUBFRE 15
SUBHP 02
VOLMAI 03
Richly Music
Signal Effect Strength Harmonic Content
High Pass Corner Frequency
Low Pass Corner Frequency
Amplitude Limit
Subwoofer Corner Frequency
Subwoofer Complementary High Pass Filter
Volume Loudspeaker
System data: Item Adjust item Default value
12 Key 7 VCDM0
VCDM1
VCDM2
MODE0
MODE1
MODE2
OPTION
It is subject to the current ODF.
Please check the sample to get the value.

System setting of M13
VCDM0 (default value: 28)
BIT Item
0 System switch: 0 : normal identify mode 1 : weak signal identify mode
1 White peak suppress: 0: on 1: off
2,3 ABL gain
00: -0.74v 01: -0.64v 10: -0.37v 11: -0.12v
4,5 ABL start point
00: -0.01v 01: -0.11v 10: -0.3v 11: -0.45v
6 CW-SW: TB1238N, pin 29 Fsc CW output 0 : AUTO, 1 : 4.43M
7In force system mode, the status of color killer when weak signal
0: on 1: off
VCDM1 (default value: 00)
BIT Item
0 Blanking: 0: on 1: off
1,2,3,4,5 V-Mute timing: = 200ms + 8ms ×Data
6 Base band filter in NTSC system: 0: on, 1: off
7VMOD
VCDM2 (default value: 40 for 38MHz IF, 30 for 38.9MHz IF)
BIT Item
0 AFT-mute: 0: off, 1: on (brightness off)
1 SECAM-ADJ: 0: SECAM correction off, 1: SECAM correction on
2 TB1238N_VMOD
3 PIF VCO ADJ
6,5,4 IF frequency:
111: 33.9MHz 110: 33.95MHz 101: 34.47MHz 100: 38MHz
011: 38.9MHz 010: 39.5MHz 001: 45.75MHz 000: 58.75MHz
7 No use
MODE0
BIT Item
0 0: normal AV 1: SCART (CATV)
1 SRS: 0: OFF 1:ON
2 SECAM system: 0: off, 1: on
3 High Sensibility: 0: off 1: on
4, 5 STANDBY status after switch on : 00 or 10: force STANDBY
01: force on. 11: status before switch off
6,7 Mode0.6, Mode0.7: 0X: English 10: English + Russia 11: English + Vietnamese

MODE1
BIT Item
0 BG: 0:off 1:on
1 I : 0 : off 1 : on
2 DK : 0 : off 1 : on
3 M : 0 : off 1 : on
4, 5 SSIF1, SSIFO Default sound system after auto search:
00 : BG 01 : I 10 : DK 11 : M
6 AV/TV: 0: TV/AV 1: TV AV1/AV2
7 Number of channels: 0: 50 1: 100
MODE2
BIT Item
0 D-MODE : 0: off 1: on
1 Teletext 0: off 1: on
2 COMB Filter 0: off 1: on
3 BBE 0: off 1: on
4 NICAM & IGR 0: off 1: on
5 WOOFER 0: off 1: on
6 DBE 0: off 1: on
7 VM 0: off 1: on
OPTION (default value: 10)
BIT Item
0 When blue background off (mute pin of CPU):
0: audio mute on 1: audio mute off
1 When blue background off (external mute pin of CPU):
0: audio mute on 1: audio mute off
2 When change channel:
0: picture mute on 1: picture mute off
3 Audio demodulation gain setting:
0: 50KHz 1: 25KHz
4 When no signal:
0: search channel by changing VT 1: use memorized VT
5 Logo: 0:off 1:on
6 OSD black background: 0: off 1: on
7 Display on Sound Mode Changing:
0: on 1: off

Part number Description Qty Location -----------------
T825604TCR1 ASS'Y -CRT BD (S.S) 1
101N4148ABX DIODE 1N4148 (SWITCHING) 1 D501
101N4148ABX DIODE 1N4148 (SWITCHING) 1 D502
101N4148ABX DIODE 1N4148 (SWITCHING) 1 L501
11A562TM0BX TRANSISTOR 2SA562TM-0 1 Q507
11SC1815YBX TRANSISTOR 2SC1815Y 1 Q502
11SC1815YBX TRANSISTOR 2SC1815Y 1 Q504
11SC1815YBX TRANSISTOR 2SC1815Y 1 Q506
11SC45440AX TRANSISTOR 2SC4544 1 Q501
11SC45440AX TRANSISTOR 2SC4544 1 Q503
11SC45440AX TRANSISTOR 2SC4544 1 Q505
18CB0102JNX RES. C.F. 1K OHM 1/6W +/-5% 1 R515
18CB0272JNX RES. C.F. 2.7k OHM 1/6W +/-5% 1 R514
18CB0561JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R501
18CB0561JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R505
18CB0561JNX RES. C.F. 560 OHM 1/6W +/-5% 1 R510
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R502
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R506
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R509
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R522
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R503
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R508
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R513
18CB0681JNX RES. C.F. 680 OHM 1/6W +/-5% 1 R511
18FE0272JNX RES. M.O. 2.7K OHM 1/2W +/-5% 1 R519
18FE0272JNX RES. M.O. 2.7K OHM 1/2W +/-5% 1 R520
18FE0272JNX RES. M.O. 2.7K OHM 1/2W +/-5% 1 R521
18FG0183JHX RES. M.O. 18K OHM 2W +/-5% 1 R516
18FG0183JHX RES. M.O. 18K OHM 2W +/-5% 1 R517
18FG0183JHX RES. M.O. 18K OHM 2W +/-5% 1 R518
25BLA100M1X CAP. ELEC 10 UF 250V +/-20% 1 C504
26AMK182KRX CAP. CER 1800PF 2KV +/-10% R 1 C505
26EBP103ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C508
26EBP103ZFX CAP. CER 0.01UF 50V +80/-20% F 1 C509
26EBP391JCX CAP. CER. 390PF 50V +/-5% CH 1 C502
26EBP391JCX CAP. CER. 390PF 50V +/-5% CH 1 C501
26EBP471JCX CAP. CER 470PF 50V +/-5% CH 1 C503
34R220K21BX COIL CHOKE 22 UH +/-10% 1 L502
34R569K21BX COIL CHOKE 5.6 UH +/-10% 1 L503
3523725000X FERR. BEAD HF70 2
4002501CCRG P.C.B. CRT BD 1
41WJ0050B00 WIRE BARE JUMPER 5MM 1 L504
41WJ0060B00 WIRE BARE JUMPER 6mm 1 R504
41WJ0060B00 WIRE BARE JUMPER 6mm 1 R507
41WJ0060B00 WIRE BARE JUMPER 6mm 1 R512
41WJ0075B00 WIRE BARE JUMPER 7.5MM 1 J503
4610967W01X PIN BASE *1 TJC1-1A 1
4630615H04X HS 4P24 460 F/W TJC3-4Y/SCN-4 1
4637030H05X HS 5P 2468#24 450 TJC3-5Y/SCN 1
472655400U7 SOCKET CRT GZS10-2-4 (C.B.) 1 S501
25BCB471M1X CAP. ELEC 470 UF 16V +/-20% 1 C506
T825604TPW1 ASS'Y - POWER PARTS 1
Page 1 of 22 CTM5954