DAEWOO ELECTRONICS DTD-21H9 User manual

http : //svc.dwe.co.kr
Caution
: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to L( arts rice List)in
Service Information Center(http://svc.dwe.co.kr)
DAEWOO ELECTRONICS Corp.
Service Manual
Jan. 2005
COLOR TELEVISION
CHASSIS : CP-093F
MODEL : DTD-21H9
SM No :TCP093FEF0
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CP-093F Service Manual
CONTENTS
1. MAIN FEATURES 2
1.1 SPECIFICATIONS 2
1.1.1 GENERAL 2
1.1.2 EURO-SCART 1(21Pin) 3
1.1.3 CHANNEL/FREQUENCY TABLE 4
2. SAFETY INSTRUCTION 7
3. ALIGNMENT INSTRUCTIONS 8
3.1 MICROCONTROLLER CONFIGURATION:SERVICE MODE 8
3.2 SERVICE MODE NADVIGATION 8
3.3 MICROCONTROLLER CONFIGURATION:OPTION BITS 8
3.4 OPTION 1 9
3.5 OPTION 2 9
3.6 NVM default setting 10
4. TV SET ALIGNMENT 12
4.1 G2 ALIGNMENT 12
4.2 WHITE BALANCE 12
4.3 FOCUS 12
4.4 VERTICAL GEOMETRY 12
4.5 HORIZONTAL PICTURE CENTRING 12
4.6 EAST/WEST CORRECTION 12
4.7 AGC 13
5 IC DESCRIPTION 14
5.1 UOC/// Series 14
5.1.1 IC MARKING AND VERSION 14
5.1.2 BLOCK DIAGRAM 15
5.1.3 PINNING 16
5.1.4 FEATURES 17
5.2 TDA8944J STEREO AUDIO AMPLIFIER 22
5.2.1 FEATURES 23
5.3 TDA8357J VERTICAL AMPLIFIER 25
5.3.1 TDA8357J 25
5.4 TDA6107AJE 28
5.4.1 Features 28
5.4.2 Pin description 28
5.5 24WC16-16KB EEPROM 29
5.6 STR-F6756/4 30
5..6.1 Functions of Each Terminal 30
5..6.2 Block Diagram(Connection diagram) 30
5..6.3 CONTROL PART - ELECTRICAL CHARACTERISTICS 33
6. SPECIFICATIONS 34
7. SERVICE PARTS LIST 37
8. EXPLODED VIEW 51
9. SCHEMATIC DIAGRAM 55
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CP-093F Service Manual
1. MAIN FEATURES
1.1 SPECIFICATIONS
1.1.1GENERAL
TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’
Tuner PAL, SECAMColour system AV PAL, SECAM, PAL 60, NTSC M, NTSC 4.43
Sound system NICAM B/G, I, D/K, L,
FM 2Carrier B/G, D/K
Power
consumption 21”: 74W
Sound Output
Power 20”: 3W x 2 (at 60% mod, 10%THD)
Speaker
21”: 5W 8 ohm x2 is not connected)
Teletext system 10 pages memory FASTEXT (FLOF or TOP)
Aerial input 75 ohm unbalanced
Channel coverage Off-air channels, S-cable channels and hyperband
Tuning system frequency synthesiser tuning system
Visual screen size
21”: 51cm
Channel indication On Screen Display
Program Selection 100 programmes
Aux. terminal - EURO-SCART : Audio / Video In and Out, R/G/B
In, Slow and Fast switching.
- Headphone jack on front of cabinet
(21”)
- AV2 : Video and Audio L/R out, Headphone jack
at side of cabinet.
Remote Control
Unit R-52C03
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CP-093F Service Manual
1.1.2EURO-SCART 1 (21 Pin)
Pin Signal Description Matching value
1Audio Output Right 0.5 Vrms, Impedance < 1 kΩ, ( RF 54% Mod )
2Audio Input Right 0.5 Vrms, Impedance > 10 kΩ
3Audio Output Left 0.5 Vrms, Impedance < 1 kΩ, ( RF 54% Mod )
4Audio Earth
5Blue Earth
6Audio Input Left 0.5 Vrms, Impedance > 10 kΩ
7Blue Input 0.7 Vpp ±0.1V, Impedance 75Ω
8Slow Switching TV : 0 to 2V, AV 16/9 : 4.5 to 7V, AV 4/3 : 9.5 to 12V , Impedance
> 10 kΩ
9Green Earth
10 N.C.
11 Green Input 0.7 Vpp ±0.1V, Impedance 75Ω
12 N.C.
13 Red Earth
14 Blanking Earth
15 Red Input 0.7 Vpp ±0.1V, Impedance 75Ω
16 Fast Switching 0 to 0.4V : Logic“0”, 1 to 3V : Logic“1”, Impedance 75Ω
17 Video Out Earth
18 Video In Earth
19 Video Output 1 Vpp ±3dB, Impedance 75Ω
20 Video Input 1 Vpp ±3dB, Impedance 75Ω
21 Common Earth
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CP-093F Service Manual
1.2 CHANNEL/FREQUENCY TABLE
CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT
C01 46.25 -45.75 49.75
C02 48.25 55.75 (L') 53.75 59.25
C03 55.25 60.5 (L') 61.75 77.25
C04 62.25 63.75 (L') 175.25 85.25
C05 175.25 176.00 183.25 93.25
C06 182.25 184.00 191.25 175.25
C07 189.25 192.00 199.25 183.25
C08 196.25 200.00 207.25 191.25
C09 203.25 208.00 215.25 199.25
C10 210.25 216.00 223.25 207.25
C11 217.25 189.25 (LUX) 231.25 215.25
C12 224.25 69.25 (L') 239.25 223.25
C13 53.75 76.25 (L') 247.25 -
C14 -83.25 (L') 49.75 -
C15 82.25 90.25 57.75 -
C16 -97.25 65.75 -
C17 183.75 -77.75 -
C18 192.25 -85.75 -
C19 201.25 - - -
C20 - - - -
C21 471.25 471.25 471.25 471.25
C22 479.25 479.25 479.25 479.25
C23 487.25 487.25 487.25 487.25
C24 495.25 495.25 495.25 495.25
C25 503.25 503.25 503.25 503.25
C26 511.25 511.25 511.25 511.25
C27 519.25 519.25 519.25 519.25
C28 527.25 527.25 527.25 527.25
C29 535.25 535.25 535.25 535.25
C30 543.25 543.25 543.25 543.25
C31 551.25 551.25 551.25 551.25
C32 559.25 559.25 559.25 559.25
C33 567.25 567.25 567.25 567.25
C34 575.25 575.25 575.25 575.25
C35 583.25 583.25 583.25 583.25
C36 591.25 591.25 591.25 591.25
C37 599.25 599.25 599.25 599.25
C38 607.25 607.25 607.25 607.25
C39 615.25 615.25 615.25 615.25
C40 623.25 623.25 623.25 623.25
C41 631.25 631.25 631.25 631.25
C42 639.25 639.25 639.25 639.25
C43 647.25 647.25 647.25 647.25
C44 655.25 655.25 655.25 655.25
C45 663.25 663.25 663.25 663.25
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CP-093/F Service Manual
C46 671.25 671.25 671.25 671.25
C47 679.25 679.25 679.25 679.25
C48 687.25 687.25 687.25 687.25
C49 695.25 695.25 695.25 695.25
C50 703.25 703.25 703.25 703.25
C51 711.25 711.25 711.25 711.25
C52 719.25 719.25 719.25 719.25
C53 727.25 727.25 727.25 727.25
C54 735.25 735.25 735.25 735.25
C55 743.25 743.25 743.25 743.25
C56 751.25 751.25 751.25 751.25
C57 759.25 759.25 759.25 759.25
C58 767.25 767.25 767.25 767.25
C59 775.25 775.25 775.25 775.25
C60 783.25 783.25 783.25 783.25
C61 791.25 791.25 791.25 791.25
C62 799.25 799.25 799.25 799.25
C63 807.25 807.25 807.25 807.25
C64 815.25 815.25 815.25 815.25
C65 823.25 823.25 823.25 823.25
C66 831.25 831.25 831.25 831.25
C67 839.25 839.25 839.25 839.25
C68 847.25 847.25 847.25 847.25
C69 855.25 855.25 855.25 855.25
C70 863.25 863.25 863.25 863.25
C71 69.25 - - -
C72 76.25 - - -
C73 83.25 - - -
C74 90.25 - - -
C75 97.25 - - -
C76 59.25 - - -
C77 93.25 - - -
S01 105.25 104.75 103.25 105.25
S02 112.25 116.75 111.25 112.25
S03 119.25 128.75 119.25 119.25
S04 126.25 140.75 127.25 126.25
S05 133.25 152.75 135.25 133.25
S06 140.25 164.75 143.25 140.25
S07 147.25 176.75 151.25 147.25
S08 154.25 188.75 159.25 154.25
S09 161.25 200.75 167.25 161.25
S10 168.25 212.75 -168.25
S11 231.25 224.75 -231.25
S12 238.25 236.75 -238.25
S13 245.25 248.75 255.25 245.25
S14 252.25 260.75 263.25 252.25
S15 259.25 272.75 271.25 259.25
S16 266.25 284.75 279.25 266.25
S17 273.25 296.75 287.25 273.25
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CP-093F Service Manual
S18 280.25 136.00 295.25 280.25
S19 287.25 160.00 303.25 287.25
S20 294.25 - - 294.25
S21 303.25 303.25 -303.25
S22 311.25 311.25 311.25 311.25
S23 319.25 319.25 319.25 319.25
S24 327.25 327.25 327.25 327.25
S25 335.25 335.25 335.25 335.25
S26 343.25 343.25 343.25 343.25
S27 351.25 351.25 351.25 351.25
S28 359.25 359.25 359.25 359.25
S29 367.25 367.25 367.25 367.25
S30 375.25 375.25 375.25 375.25
S31 383.25 383.25 383.25 383.25
S32 391.25 391.25 391.25 391.25
S33 399.25 399.25 399.25 399.25
S34 407.25 407.25 407.25 407.25
S35 415.25 415.25 415.25 415.25
S36 423.25 423.25 423.25 423.25
S37 431.25 431.25 431.25 431.25
S38 439.25 439.25 439.25 439.25
S39 447.25 447.25 447.25 447.25
S40 455.25 455.25 455.25 455.25
S41 463.25 463.25 463.25 463.25
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CP-093F Service Manual
2. SAFETY INSTRUCTION
WARNING: Only competent service personnel may carry out work involving the testing or repair
of this equipment.
X-RAY RADIATION PRECAUTION
1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid
such hazards, the high voltage must not exceed the specified limit. The nominal value of the high
voltage of this receiver is 25-26 KV (20”-21”) or 26 KV (25”- 28”) at max beam current. The high
voltage must not, under any circumstances, exceed 27.5 KV (20”), 29KV (21”), 29.5 KV (25") or
30 KV (28"). Each time a receiver requires servicing, the high voltage should be checked. It is
important to use an accurate and reliable high voltage meter.
2. The only source of X-RAY Radiation in this TV receiver is the picture tube. For continued
X-RAY RADIATION protection, the replacement tube must be exactly the same type tube as
specified in the parts list.
SAFETY PRECAUTION
Potentials of high voltage are present when this receiver is operating. Operation of the receiver
outside the cabinet or with the back board removed involves a shock hazard from the receiver.
Servicing should not be attempted by anyone who is not thoroughly familiar with the precautions
necessary when working on high voltage equipment.
Discharge the high potential of the picture tube before handling the tube. The picture tube is
highly evacuated and if broken, glass fragments will be violently expelled.
If any Fuse in this TV receiver is blown, replace it with the FUSE specified in the Replacement
Parts List.
When replacing a high wattage resistor (metal oxide film resistor) in the circuit board, keep the
resistor 10 mm away from circuit board.
Keep wires away from high voltage or high temperature components.
This receiver must operate under AC 230 volts, 50Hz. NEVER connect to a DC supply or any
other voltage or frequency.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this equipment 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
replacement components rated for higher voltage, wattage, etc. Replacement parts which have
these special safety characteristics are identified in this manual and its supplements, electrical
components having such features are identified by designated symbol on the parts list. Before
replacing any of these components, read the parts list in this manual carefully. The use of
substitutes replacement parts which do not have the same safety characteristics as specified in
the parts list may create X-RAY Radiation.
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CP-093F Service Manual
3. ALIGNMENT INSTRUCTIONS
3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE
To switch the TV set into service mode please see instruction below.
1 - Select PR. number 91
2 - Adjust sharpness to minimum and exit all menus.
3 –Within 2 seconds press the key sequence : RED - GREEN - menu
The software version is displayed beside the word Service, e.g.“SERVICE VER 00.05”.
To exit SERVICE menu press menu key or Std By key.
3.2 SERVICE MODE NAVIGATION
Pr Up/Down remote keys : cycle through the service items available.
Vol -/+ remote keys : Dec./Increment the values within range –Cycle trough option bits.
OK key : Toggle bits in option byte
Order Item Default setting
1HOR CEN
2RED GAIN
3GRN GAIN
4BLUE GAIN
5RED BIAS
6GRN BIAS
7AGC LEVEL
8G2 –SCREEN
9OPTION1
10 OPTION2
11 AVL
12 PARABOLA
13 HOR WIDTH
14 CORNER T
15 CORNER B
16 HOR. PARAL
17 V. LINEAR
18 V. SLOPE
19 EW TRAPEZ
20 S CORRECT
21 VERT CENT
22 VERT SIZE
3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS
There are two option bytes available (16 bits in all). These option bits are available from Service
mode. First find the OPTION1 or OPTION2 control, and then use the Volume PLUS/MINUS
buttons on the remote control keypad to locate the bits, and OK key to toggle them. The table
below shows the two option bytes available;
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3.4 OPTION 1
B7 B6 B5 B4 B3 B2 B1 B0
1TOP
Teletext
OFF
FASTEXT
(FLOF)
OFF
TUBE
4:3
VAI bit set
to 1 in
SECAM L
Dolby
Virtual
OFF
SVHS3
disable
0TOP
Teletext
ON
FASTEXT
(FLOF) ON TUBE 16:9 VAI bit set
to 0 in
SECAM L
Dolby
Virtual
ON
SVHS3
enable
TUNER OPTIONS
00 = Philips
01 = Not used
10 = Alps
11 = Parstnic (DW)
3.5 OPTION 2
B7 B6 B5 B4 B3 B2 B1 B0
1JVC remote
control
AVL
control
OFF
PICTURE
TILT ON
14”
(AV2
OFF)
Full
ATSS Double Window
Enabled
0
Fixed to
‘0’Daewoo
Remote
control
AVL
control
ON
PICTURE
TILT OFF 21”
(AV2
ON)
Basic
ATSS Double
Window
Disabled
n.u.
Must
be set
to 1 for
future
compa
tibility
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CP-093F Service Manual
3.6 NVM default setting
The purpose of this message, when you change a virgin EEPROM, is to allow to modify
the NVM DATA to desired values.
1 - Introduction :
The NVM default values are fixed for the user, but for flexibility in service, these data are stored
in NVM and can be changed when the TV set is in a special mode call "NVM EDITOR". This
mode can only be access from "FACTORY" mode.
2 - Entering into "FACTORY" mode.
To switch the TV set into FACTORY mode, use the factory remote control, and press on “SVC”
key. The factory menu will appear on the screen, showing“FACTORY”, plus other relevant
information like software version and date.
WARNING : When in "FACTORY" mode you should not press any key other than the keys
described in the procedure below. Unwanted key stroke could misadjust the TV set.
3 - Entering into "NVM EDITOR" mode.
To switch the TV set into NVM EDITOR mode, use the user remote control, and press on
“ON/ENTER”key. The NVM EDITOR window will appear on the screen. This mode allow you to
access all data stored in NVM. The current NVM address is given in column "ADDR." in both
DECimal and HEXadecimal format. The column DATA gives the value contained at selected
address in both DECimal and HEXadecimal format.
4 - Navigation in "NVM EDITOR" mode.
Use Program Up/Dwn keys to select the desired address. Use Volume Up/Down keys to change
the data at selected address. You must press " OK/ENTER" key to store value after modification.
The data can be adjusted between 0 and 63.
5 - Exit "NVM EDITOR" mode.
To switch the TV set back into FACTORY mode, use the user remote control, and press on
“MENU”key.
The factory menu will appear on the screen, showing“FACTORY”.
6 - Exit "FACTORY" mode.
To exit "FACTORY" mode, use the factory remote control, and press on “SVC”key.
The factory menu will disappear from the screen.
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NVM DATA CHANGE LIST (hex)
No Register Name Address Default 14H9 21H9
1OCP_THRESHOLD 0x58F 0x91 <- <-
2DCXO 0x590 0x4E <- <-
3AVLLEV 0x621 0x5 <- <-
4TELETEXT - Brightness 0x642 0x19 <- <-
5OSD - Brightness 0x644 0x7 <- <-
6Nor1_Bright 0x64A 0x23 <- <-
7Nor1_contrast 0x64B 0x2E <- <-
8Nor1_Colour 0x64C 0x1C <- <-
9Nor1_Sharpness 0x64D 0x23 <- <-
10 Nor1_Tint 0x64E 0x20 0x1F 0x1F
11 Nor2_Bright 0x653 0x28 <- <-
12 Nor2_Contrast 0x654 0x13 <- <-
13 Nor2_Colour 0x655 0x19 <- <-
14 Nor2_Sharpness 0x656 0x1B <- <-
15 Nor2_Tint 0x657 0x20 0x1F 0x1F
16 V - Linearity 0x667 0x2A 0x22 0x27
17 Peak White Level 0x671 0x1 <- <-
18 Soft Clipping Level 0x672 0x5 0x7 0x7
19 PresetGainRGB 0x673 0x2A 0x1 0x7
20 PresetGainRGB 0x674 0x2A 0x1 0x7
21 PresetGainRGB 0x675 0x2A 0x1 0x7
22 Cathode_Drive 0x67B 0x1 <- <-
23 RPA 0x680 0x1 0x2 0x2
24 Black Stretch 0x682 0x1 0x2 0x2
25 BSD 0x683 0x1 0x0 0x0
26 AAS 0x684 0x1 0x0 0x0
27 BCS 0x685 0x1 <- <-
28 Y_delay_PAL_BG 0x686 0x5 <- <-
29 Y_delay_SECAM_BG 0x687 0x8 <- <-
30 Y_delay_PAL_DK 0x688 0x5 <- <-
31 Y_delay_SCM_DK 0x689 0x5 <- <-
32 Y_delay_PAL_I 0x68A 0x7 <- <-
33 Y_delay_SECAM 0x68B 0x5 <- <-
34 Y_delay_SECAM-L 0x68C 0x8 <- <-
35 Y_delay_AV 0x68D 0xA <- <-
36 G2_Bright 0x68E 0x1A <- <-
37 G2_Contrast 0x68F 0x42 <- <-
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4. TV SET ALIGNMENT
4.1 G2 ALIGNMENT
- Tune a colour bar pattern.
- Find the“G2 –SCREEN”item in service mode.
- Adjust screen volume (on FBT) to bring the cursor to central position(Green).
4.2 WHITE BALANCE
- Select a dark picture and adjust RED BIAS and GRN BIAS to the desired colour temperature.
- Select a bright picture and adjust RED, GRN and BLUE GAIN to the desired colour temperature.
4.3 FOCUS
Adjust the Focus volume (on FBT) to have the best resolution on screen.
4.4 VERTICAL GEOMETRY
Adjust V. LINEAR (linearity), S CORRECT (S. Correction), VERT SIZE (Vertical amplitude),
VERT CENT (vertical centring) to compensate for vertical distortion.
4.5 HORIZONTAL PICTURE CENTRING
Adjust HOR CEN (Horizontal centre) to have the picture in the centre of the screen.
4.6 EAST / WEST CORRECTION
Adjust the PARABOLA, HOR WIDTH, CORNER, HOR PARAL, EW TRAPEZ, to compensate for
geometrical distortion.
HOR PARAL
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HOR WIDTH
adjust for 93% overscan.
PARABOLA
CORNER B & CORNER T
EW TRAPEZ
4.7 AGC
- Make sure option bits are correct for the tuner fitted on the chassis (See above how to change
option bits).
- Adjust the antenna signal level at 62dBµV
- Tune a colour bar pattern.
- Find the“AGC”item in service mode.
- Press the key “OK”on the remote keypad and wait until AGC level stabilise to the optimum
value.
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- Alternatively, use“Vol Up/Dwn”keys to adjust manually to the desired Tuner Take Over Point
(TOP).
5.IC DESCRIPTION
5.1 UOC III Series
The UOCIII series combines the functions of a Video Signal Processor (VSP) together with a
FLASH embedded TEXT/Control/Graphics µ-Controller (TCG µ-Controller) and US Closed
Caption decoder. In addition the following functions can be added:
• Adaptive digital (4H/2H) PAL/NTSC combfilter
• Teletext decoder with 10 page text memory
•Multi-standard stereo decoder
•BTSC stereo decoder
• Digital sound processing circuit
• Digital video processing circuit
5.1.1IC MARKING AND VERSION
Chassis IC marking OSD languages ATSS countries Text
CP-093F
BULGARIAN,
CZECH, GERMAN,
DANISH, SPANISH,
FRENCH, FINNISH,
ENGLISH, GREEK,
HUNGARIAN,
ITALIAN,
NORWEGIAN,
DUTCH, POLISH,
ROMANIAN,
RUSSIAN,
SWEDISH,
SLOVAKIAN.
Austria, Belgium,
Switzerland, Czech
Republic, Germany,
Denmark, Spain,
France, Finland, GB,
Greece, Hungary, Italy,
Ireland, Norway,
Netherlands, Portugal,
Poland, Sweden,
Slovak Republic,
Others
PAN-EUROPEAN
LATIN, CYRILLIC,
GREEK.
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5.1.2. BLOCK DIAGRAM
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5.1.3. PINNING
QFP 128pin Symbol Short Description
1P1.5/TX Port 1.5 or UART bus
2P1.4/RX port 1.4 or UART bus
3P1.2/INT2 port 1.2 or external interrupt 2
4VSSC3 Ground
5VDDC3 digital supply to core (1.8V)
6P2.5/PWM4 port 2.5 or PWM4 output
7P2.4/PWM3 port 2.4 or PWM3 output
8VSSC/P digital ground for m-Controller core and periphery
9P3.3/ADC3 port 3.3 or ADC3 input
10 P3.2/ADC2 port 3.2 or ADC2 input
11 DECV1V8 decoupling 1.8 V supply
12 VDDC1 digital supply to core (+1.8 V)
13 P3.1/ADC1 port 3.1 or ADC1 input
14 P3.0/ADC0 port 3.0 or ADC0 input
15 P2.3/PWM2 port 2.3 or PWM2 output
16 P2.2/PWM1 port 2.2 or PWM1 output
17 P2.1/PWM0 port 2.1 or PWM0 output
18 P2.0/TPWM port 2.0 or Tuning PWM output
19 VDDP(3.3V) supply to periphery and on-chip voltage regulator (3.3
V)
20 P1.7/SDA port 1.7 or I2C-bus data line
21 P1.6/SCL port 1.6 or I2C-bus clock line
22 P1.3/T1 port 1.3 or Counter/Timer 1 input
23 P0.0/I2SDI1/O port 0.0 or I2S digital input 1 or I2S digital output
24 P0.1/I2SDO1 port 0.1 or I2S digital output 1
25 P0.2/I2SDO2 port 0.2 or I2S digital output 2
26 P0.3/I2SCLK port 0.3 or I2S clock
27 P0.4/I2SWS port 0.4 or I2S word select
28 VSSC2 Ground
29 VDDC2 digital supply to core (1.8 V)
30 P1.1/T0 port 1.1 or Counter/Timer 0 input
31 P1.0/INT1 port 1.0 or external interrupt 1
32 INT0/P0.5 external interrupt 0 or port 0.5 (4 mA current sinking
capability for direct drive of LEDs)
33 VDDadc(1.8) supply voltage video ADC
34 VSSadc ground for on-chip temperature sensor
35 VDDA2(3.3) supply voltage SDAC (3.3 V)
36 VDDA(1.8) analogue supply for audio ADCs (1.8 V)
37 GNDA Ground
38 VREFAD reference voltage for audio ADCs (3.3/2 V)
39 VREFAD_POS positive reference voltage (3.3 V)
40 VREFAD_NEG negative reference voltage (0 V)
41 VDDA1 analog supply for TCG m-Controller and digital supply for
TV-processor (+3.3 V)
42 BO Blue output
43 GO Green output
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44 RO Red output
45 BLKIN black current input
46 BCLIN beam current limiter input
47 VP3 3rd supply for TV processor
48 GND3 ground 3 for TV-processor
49 B/PBIN3 3rd B input / PB input
50 G/YIN3 3rd G input / Y input
51 R/PRIN3 3rd R input / PR input
52 INSSW3 3rd RGB / YPBPR insertion input
53 VOUT(SWO1) V-output for YUV interface (general purpose switch
output)
54 UOUT(INSSW2) U-output for YUV interface (2nd RGB / YPBPR
insertion input)
55 YOUT Y-output (for YUV interface)
56 YSYNC Y-input for sync separator
57 YIN (G/YIN2/CVBS-Yx) Y-input for YUV interface (2nd G input / Y input or
CVBS/YX input))
58 UIN (B/PBIN2) U-input for YUV interface (2nd B input / PB input)
59 VIN (R/PRIN2/CX) V-input for YUV interface (2nd R input / PR input or CX
input)
60 VDDcomb supply voltage for comb filter (5 V)
61 VSScomb ground connection for comb filter
62 HOUT horizontal output
63 FBISO/CSY flyback input/sandcastle output or composite H/V
timing output
64 SVM scan velocity modulation output
65 CVBSO/PIP CVBS / PIP output
66 AUDOUTHPR audio output for headphone channel (right signal)
67 AUDOUTHPL audio output for headphone channel (left signal)
68 AUDOUTLSR audio output for audio power amplifier (right signal)
69 AUDOUTLSL audio output for audio power amplifier (left signal)
70 C2/C3 chroma-2/3 input
71 CVBS3/Y3 CVBS3/Y3 input
72 AUDIOIN3R audio 3 input (right signal)
73 AUDIOIN3L audio 3 input (left signal)
74 CVBS2/Y2 CVBS2/Y2 input
75 AUDIOIN2R audio 2 input (right signal)
76 AUDIOIN2L audio 2 input (left signal)
77 C4 chroma-4 input
78 CVBS4/Y4 CVBS4/Y4 input
79 AUDIOIN4R audio-4 input (right signal)
80 AUDIOIN4L audio-4 input (left signal)
81 IFVO/SVO/CVBSI (2) IF video output / selected CVBS output / CVBS input
82 VP2 2nd supply voltage TV processor (+5 V)
83 AGC2SIF AGC capacitor second sound IF
84 VCC8V 8 Volt supply for audio switches
85 DVBO/FMRO (2) Digital Video Broadcast output / FM radio output
86 DVBO/IFVO/FMRO (2) Digital Video Broadcast output / IF video output / FM
radio output
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CP-093F Service Manual
87 SIFAGC/DVBAGC (2) AGC sound IF / internal-external AGC for DVB
applications
88 PLLIF IF-PLL loop filter
89 GND2 ground 2 for TV processor
90 QSSO/AMOUT/AUDEE
M (2) QSS intercarrier output / AM output / deemphasis (front-end audio out)
91 DECSDEM decoupling sound demodulator
92 AUDOUTSR audio output for SCART/CINCH (right signal)
93 AUDOUTSL audio output for SCART/CINCH (left signal)
94 AUDIOIN5R audio-5 input (right signal)
95 AUDIOIN5L audio-5 input (left signal)
96 AVL/SWO/SSIF/
REFO/REFIN (2)
Automatic Volume Levelling / switch output / sound IF
input /
subcarrier reference output / external reference signal
input for I
signal mixer for DVB operation
97 EHTO EHT/overvoltage protection input
98 AGCOUT tuner AGC output
99 SIFIN2/DVBIN2 (2) SIF input 2 / DVB input 2
100 SIFIN1/DVBIN1 (2) SIF input 1 / DVB input 1
101 GNDIF ground connection for IF amplifier
102 IREF reference current input
103 VSC vertical sawtooth capacitor
104 VIFIN2 IF input 2
105 VIFIN1 IF input 1
106 VDRA vertical drive A output
107 VDRB vertical drive B output
108 EWD/AVL (1) East-West drive output or AVL capacitor
109 DECBG bandgap decoupling
110 SECPLL SECAM PLL decoupling
111 GND1 ground 1 for TV-processor
112 PH1LF phase-1 filter
113 PH2LF phase-2 filter
114 VP1 1st supply voltage TV-processor (+5 V)
115 DECDIG decoupling digital supply
116 VGUARD/SWIO V-guard input / I/O switch (e.g. 4 mA current sinking capability for
direct drive of LEDs)
117 VSSA1 Ground
118 XTALOUT crystal oscillator output
119 XTALIN crystal oscillator input
120 VREF_POS_HPR positive reference voltage SDAC (3.3 V)
121 VREF_NEG_HPL+HPR negative reference voltage SDAC (0 V)
122 VREF_POS_LSR+HPR positive reference voltage SDAC (3.3 V)
123 VREF_NEG_LSL+HPL negative reference voltage SDAC (0 V)
124 VREF_POS_LSL positive reference voltage SDAC (3.3 V)
125 VDDA3(3.3V) supply (3.3 V)
126 VDDC4 digital supply to SDACs (1.8V)
127 VSSC4 Ground
128 VSSP2 Ground
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CP-093F Service Manual
5.1.4 FEATURES
Analogue Video Processing (all versions)
· Multi-standard vision IF circuit with alignment-free PLL demodulator
· Internal (switchable) time-constant for the IF-AGC circuit
· Switchable group delay correction and sound trap (withswitchable centre frequency) for the
demodulated CVBS signal
· DVB/VSB IF circuit for preprocessing of digital TV signals.
· Video switch with 3 external CVBS inputs and a CVBS output. All CVBS inputs can be used as
Y-input for Y/C signals. However, only 2 Y/C sources can be selected because the circuit has 2
chroma inputs. It is possible to add an additional CVBS(Y)/C input (CVBS/YX and CX) when the
YUV interface and the RGB/YPRPB input are not needed.
· Automatic Y/C signal detector
· Adaptive digital (4H/2H) PAL/NTSC comb filter for optimum separation of the luminance and the
chrominance signal.
· Integrated luminance delay line with adjustable delaytime
· Picture improvement features with peaking (withswitchable centre frequency, depeaking,
variable positive/negative peak ratio, variable pre-/overshoot ratio and video dependent coring),
dynamic skin tone control, gamma control and blue- and black stretching.All features are
available for CVBS, Y/C and RGB/YPBPR signals.
· Switchable DC transfer ratio for the luminance signal
· Only one reference (24.576 MHz) crystal required for the TCG m-Controller, digital sound
processor, Teletext and the colour decoder
· Multi-standard colour decoder with automatic search system and various“forced mode”
possibilities
· Internal base-band delay line
· Indication of the Signal-to-Noise ratio of the incoming CVBS signal
· Linear RGB/YPBPR input with fast insertion.
· YUV interface. When this feature is not required some pins can be used as additional
RGB/YPBPR input. It is also possible to use these pins for additional CVBS (or Y/C) input
(CVBS/YX and CX).
· Tint control for external RGB/YPBPR signals
· Scan Velocity Modulation output. The SVM circuit is active for all the incoming CVBS, Y/C and
RGB/YPBPR signals. The SVM function can also be used during the display of teletext pages.
· RGB control circuit with‘Continuous Cathode Calibration’, white point and black level off-set
adjustment so that the colour temperature of the dark and the light parts of the screen can be
chosenindependently.
· Contrast reduction possibility during mixed-mode ofOSD and Text signals
· Adjustable‘wide blanking’of the RGB outputs
· Horizontal synchronization with two control loops and alignment-free horizontal oscillator
· Vertical count-down circuit
· Vertical driver optimized for DC-coupled vertical outputstages
· Horizontal and vertical geometry processing with horizontal parallelogram and bow correction
and horizontal and vertical zoom
· Low-power start-up of the horizontal drive circuit
Analogue video processing (stereo versions)
· The low-pass filtered‘mixed down’I signal is available via a single ended or balanced output
stage.
Analogue video processing (mono versions)
· The low-pass filtered‘mixed down’I signal is available via a single ended output stage
Digital Video Processing (some versions)
· Double Window mode applications. It is possible to display a video and a text window or 2 text
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