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SERVICE MANUAL Colour Television
Specifications
Power Source
. . . . . . . .AC127-240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
Television System . . . . .B/G
Channel Coverage . . . . .VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
Video IF . . . . . . . . . . . . . .38.0 MHz
Aerial Input Impedance . 75Ω
Ext. Terminals
Video inputs: Phono jack x 2 (1Vp - p, 75Ω)
DVD Input: Component Video Jack-Y x 1 (1.0Vp-p, impedance 75Ω)
Component Video Jack CB/CR x 1 (0.7Vp-p, impedance 75Ω)
Audio inputs: Phono jack (L/R) x 2 (436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack x 1 (1Vp - p, 75Ω)
Audio monitor outputs: Phono jack (L/R) x 1 (436mVrms, less than 600Ω)
Headphone jack: Mini stereo jack x 1
Speaker . . . . . . . . . . . . . . 6 cm x 12 cm x 2 pcs.
Sound Output (RMS) . . . 7.5W + 7.5W
Dimensions . . . . . . . . . . . 750 (W) x 581 (H) x 497 (D)mm
Weight . . . . . . . . . . . . . . .approx. 38.0 Kg
Specifications subject to change without notice
BA4C
TV/A V
MEN U
-
+
CH
POW ER
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
FILE NO.
Model No. CT29EF1(V)
Service Ref. No. CT29EF1-10
TV/AV
TIMER
x
2
3
1
4
5
6
9
7
8
-/--
P
P
0
SWAP
CH
CH SCAN
MENU
.
A B
CH
PICTURE
SOUND S. SYS
BASS
SURROUND
JXPSG
Product Code: 113003702
Original Version
Chassis Series: FC7-AR
Give complete "SERVICE REF. NO." for parts
order or servicing. It is shown on the rating plate
at the cabinet back of the unit.
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
REFERENCE NO.
(Thailand)
SM
3010295
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Table of Contents
Related Manuals for Sanyo CT29EF1
Summary of Contents for Sanyo CT29EF1
- Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. CT29EF1(V) (Thailand) Service Ref. No. CT29EF1-10 TV/AV TIMER -/-- SWAP CH SCAN MENU PICTURE SOUND S. SYS BASS SURROUND TV/A V MEN U POW ER JXPSG Specifications Product Code: 113003702 Power Source .
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Page 2: Table Of Contents
Contents Safety Notice ..........2 Chassis Block Diagram . -
Page 3: Chassis Block Diagram
Chassis Block Diagrams... - Page 4 Chassis Block Diagrams System Control IIC SDA IIC SCL...
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Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < CPU/IF/Video/Chroma/Def.> RS2J12203M4-+++FP... - Page 6 IC Block Diagrams IC001 < Audio AMP.> LA42210-E IC501 < Vertical Output > LA78141-E Standby Thermal Protection Input amplifier + OUT1 Output amplifier 30kΩ - OUT1 Pump MUTE Vcc / ground shorting protection circuit Load shorting protection circuit Thermal protection circuit + OUT2 Output amplifier 30kΩ...
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Page 7: Service Adjustment With Replacing Memory Ic(Ic801)
Service Adjustments with Replacing Memory IC(IC801) Note: The CPU (IC201) and memory IC (IC801) store the service adjustments data and controls data for each circuit.When the Memory IC(IC801) is replaced, some of the service adjustments should be readjusted to obtain the best performance. The necessary service adjustments are carried out by using the RC handset. Please set up the TV set with following steps [1] to [2]. - Page 8 Service Adjustments with Replacing Memory IC(IC801) [Entering to Service Mode] Press and hold the MENU button on the TV set and press the numeric 1 button on the Remote Control. Following setting items appears on the screen. Display for [RF DELAY ADJ] RF AGC adjustment 2.11 SERVICE MODE Version...
- Page 9 Service Adjustments with Replacing Memory IC(IC801) Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Service mode adjustments table in CPU ROM Item Range Data Description VIF VCO ADJ 0 ~ 3F VIF VCO free-running frequency fine adjustment STRAP ADJ...
- Page 10 Service Adjustments with Replacing Memory IC(IC801) Item Range Data Description BASEBAND TINT 50 0 ~ 7F Base band tint control for component color signal by 7bits DAC BASEBAND TINT 60 0 ~ 7F Base band tint control for component color signal by 7bits DAC HVCO FREERUN UP 0 ~ 1 Horizontal free-running frequency up...
- Page 11 Service Adjustments with Replacing Memory IC(IC801) Item Range Data Description VLOGIC STOP 0 ~ 1 Vertical count up logic stop VBLK TEST 0 ~ 1 V blanking control WIDE VBLK TOP 0 ~ F Vertical blanking top adjustment 16:9 WIDE VBLK BOTTOM 0 ~ F Vertical blanking bottom adjustment 16:9 OSD CONT CLIP LEVEL...
- Page 12 Service Adjustments with Replacing Memory IC(IC801) Item Range Data Description VIF AGC VTH HYS OFF 0 ~ 1 VIF AGC CURRENT CHANGE FUNCTION HYSTERESIS OFF SWITCH VIF AGC SPEED UP 0 ~ 7 VIF AGC SPEED Adj. AUDIO ATT L MONO 0 ~ 7F L Ch Audio output level attenuation SIF OUT MUTE...
- Page 13 Service Adjustments with Replacing Memory IC(IC801) Item Range Data Description R MATRIX NT DEFFER 0 ~ 3 R matrix gain control for YCbCr (NTSC Offset) WHITE BALANCE 0 ~ 3 WHITE BALANCE (R-Drive & B-Drive) CUT OFF ( R ) 0 ~ FF R OUT Pedestal level adjustment ( R Bias for White balance ) CUT OFF ( G )
- Page 14 Service Adjustments with Replacing Memory IC(IC801) Item Range Data Description AV TV TIME 0 ~ FF AV -TV change time(mainloop number) BG - STRAP OFFSET -9 ~ 9 S-TRAP OFFSET for sound strap adjustment BG System DK - STRAP OFFSET -9 ~ 9 S-TRAP OFFSET for sound strap adjustment DK System I - STRAP OFFSET...
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Page 15: Service Mode Adjustments
Service Mode Adjustments Items 187 - 191 GREY SCALE (1) Receive a monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Select No. 188 CUT OFF (R), No, 189 CUT OFF (G), and No. 190 CUT OFF (B) and set each data to 0 by pressing the VOLUME + or - key. - Page 16 Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 8. Item 126 [RF DELAY ADJ] AGC ADJ Item 6 [V-SIZE 50] VERTICAL SIZE NOTE: Do not attempt this adjustment with weak signal.
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Page 17: Service Adjustments
Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. B-VOLTAGE SUPPLY CHECKING HIGH VOLTAGE CHECK (1) Connect DC meter to TP-B and the ground. Note: +B (+125V) Voltage Check and Grayscale Adjustment (2) Tune the receiver to an active channel and synchro- must be completed before attempting High Voltage Check. -
Page 18: Special Function
Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode. -
Page 19: Purity And Convergence Adjustment
Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: Signals: Use a pattern generator which can output red, Rubber wedge Figure 1 green, blue and white raster and crosshatch... - Page 20 Purity and Convergence Adjustment CONVERGENCE ADJUSTMENT Figure 5 FOUR-POLE MAGNET TABS Preparation: After carrying out purity adjustment and SIX-POLE MAGNET TABS before proceeding to convergence adjustment, provisionally insert the rubber wedge so that there is no vertical or ANGLE sideways play in the deflection yoke. OF TABS Signals: Display a crosshatch pattern.
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Page 21: Mechanical Disassembly
Mechanical Disassembly CABINET BACK REMOVAL 1. Refer to Figure 1, remove 13 screws. 2. Pull off cabinet back and remove. SUPER INPUT MONITOR WOOFER AV1/DVD AUDIO AUDIO (MONO) ANT. 75Ω S-VIDEO VIDEO VIDEO Figure 1. Cabinet Back Removal Protection Circuit This TV set has a built-in power supply protection circuit. -
Page 22: Cabinet Parts List
ASSY,CABINET FR-BA4A 610 330 3369 CABINET FRONT-BA4A 610 316 1723 DOOR-C7LA 610 284 7741 DOOR COVER-C2SA 645 069 2185 BADGE,SANYO*43.5X10L43.5 610 321 7802 CABINET BACK-C7GA 610 256 7670 HOLDER AC CORD-SGP-D4VA 652 002 0634 REMOCON,JXPSG 610 313 3393 RC-BATTERY LID-JXPLA... -
Page 23: Chassis Electrical Parts List
Chassis Electrical Parts List BA4C Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety. - Page 24 BA4C Ref. No. Part No. Description Ref. No. Part No. Description 4051739813 TR 2SC3928A1R 4051472215 TR 2SA1037AK-S-T146 4051739912 TR 2SC3928A1S 4051739615 TR 2SA1235A1E Q201 4050235009 TR 2SD400-E-MP 4051739714 TR 2SA1235A1F Q202 4050235009 TR 2SD400-E-MP INTEGRATED CIRCUIT Q203 4050235009 TR 2SD400-E-MP Q206 4050235009 TR 2SD400-E-MP...
- Page 25 BA4C Ref. No. Part No. Description Ref. No. Part No. Description C1202 4041044900 CERAMIC 0.1U K C209 4041159109 MT-POLYEST 0.22U J 4040912606 CERAMIC 0.1U K 4032377901 MT-COMPO 0.22U J 4033670417 CERAMIC 0.1U K C211 4041044900 CERAMIC 0.1U K C1204 4041047000 CERAMIC 0.056U K 4040912606...
- Page 26 BA4C Ref. No. Part No. Description Ref. No. Part No. Description 4032602003 MT-COMPO 1U J 4040861805 CERAMIC 220P K C468 4041159307 ELECT 22U M 4032188804 CERAMIC 220P K 4032114516 ELECT 22U M C628 4040733904 CERAMIC 1000P K 250V C470 4040983903 MT-POLYEST 0.1U J 4040732105...
- Page 27 BA4C Ref. No. Part No. Description Ref. No. Part No. Description 4032006623 ELECT 47U M R1020 4012562719 MT-GLAZE 75 JA 1/10W 4032006643 ELECT 47U M 4011134412 MT-GLAZE 75 JA 1/16W C820 4040947608 CERAMIC 22P J R1021 4012562719 MT-GLAZE 75 JA 1/10W 4031459915 CERAMIC 22P J...
- Page 28 BA4C Ref. No. Part No. Description Ref. No. Part No. Description R1910 4011523216 MT-GLAZE 330 JA 1/10W 4011055410 MT-GLAZE 47K JA 1/16W 4011054017 MT-GLAZE 330 JA 1/16W R355 4010127009 CARBON 10K JA 1/4W R1911 4011623015 MT-GLAZE 22K JA 1/10W 4021027701 CARBON 10K JA 1/4W...
- Page 29 BA4C Ref. No. Part No. Description Ref. No. Part No. Description R498 4010258703 CARBON 220K JA 1/6W 4020952004 CARBON 4.7K JA 1/4W 4021170209 CARBON 220K JA 1/6W R652 4010146109 CARBON 150K JA 1/4W 4021170100 CARBON 220K JA 1/6W 4021117402 CARBON 150K JA 1/4W R501...
- Page 30 BA4C Ref. No. Part No. Description Ref. No. Part No. Description R835 4011505915 MT-GLAZE 10K JA 1/10W 4080627201 DIODE 1SS35 4011050613 MT-GLAZE 10K JA 1/16W 4071490817 DIODE 1SS355-TE-17 R838 4012556510 MT-GLAZE 100 JA 1/10W D1904 4072128818 DIODE KDS160-RTK 4011050415 MT-GLAZE 100 JA 1/16W 4080627201 DIODE 1SS35...
- Page 31 BA4C Ref. No. Part No. Description Ref. No. Part No. Description D603 4080457501 DIODE ERC05-10B A1901 6450476228 UNIT,REMOCON RECEIVER D604 4080457501 DIODE ERC05-10B 6450820465 UNIT,REMOCON RECEIVER D605 4080457501 DIODE ERC05-10B K1001 6520022737 JACK,RCA-9 D606 4080457501 DIODE ERC05-10B 6520016187 JACK,RCA-9 D609 4080082406 DIODE 1N4148 K1002...
- Page 32 BA4C Ref. No. Part No. Description Ref. No. Part No. Description 4031576810 CERAMIC 680P K C705 4030749512 CERAMIC 680P K 4031576810 CERAMIC 680P K C707 4030749512 CERAMIC 680P K 4031576810 CERAMIC 680P K C708 4041093502 CERAMIC 1000P K 4040846505 CERAMIC 1000P K 4030772807 CERAMIC...
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Page 33: Component Locations
Component Locations MAIN Board (Parts Side) A1901 C1001 PS601 C1015 C1017 C036 C033 L601 L601A C030 C031 C613 R602 R602A C001 C011 C013 D635H1 D635H2 D635 R641A R641 R641AH1 R641B R641AH2 C007 C017 C032 C645 C615 IC002 R670AH2 R673B C018 R670A R670 C638... - Page 34 Component Locations MAIN Board (Solder Side) D1911A R1901 A1901 R1915 R1914 R1912 D1911 R1910 D1902 D1901 R1911 D1904 J1906 R1906 D1903 R1903 R1905 R1904 SW1906 Q1902 R1902 JP009 JP1002 SW1902 R1001 R1019 R1002 R1005 D1003 C1001 JP010 D1001 R1003 D1002 C1015 C1017 PS601H2...
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Page 35: Voltages And Waveforms Charts
Component Locations CRT Board (Parts Side) CRT Board (Solder Side) Voltages and Waveforms Charts Note: Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture. Main Board Q1001 Q1002 Q1003 Q111 Q122 Q1901 Q202 Q203 Q206 Q432 Q431... - Page 36 C 4.0V C 14.6V B 2.6V B 2.6V B 2.6V Q701-C Q701-B Q705-C Q705-B Q703-C Q703-B <B-out> <G-out> <G drive> <R-out> <R drive> <B drive> 5Vp-p 122Vp-p 4.7Vp-p 128Vp-p 5.1Vp-p 134Vp-p SANYO Electric Co., Ltd. Oct. /’07 Printed In Thailand...
- Page 37 8. This circuit diagram covers a basic or representative chassis only. W: Wire wounding Rated wattage (1/2W) There POSISTER SERVICE CT29EF1-10 C: Solid RESISTOR may be some components or partial circuit differences between the REF. NO. 12 X 10 =12K actual chassis and the circuit diagram.