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Sanyo CP29EF1 Service Manual
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Sanyo CP29EF1 Service Manual

Sanyo CP29EF1 Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . . . AC220-240V, 50Hz/60Hz.
Colour System . . . . . . . . . PAL/NTSC4.43/NTSC/PAL-60Hz
Television System . . . . . . B/G, D/KK', I, M/M
Channel Coverage
. . . . .
Video IF . . . . . . . . . . . . . . 38.0MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack x 2 (1Vp - p, 75Ω)
DVD Input: Component Video Jack-Y  1 (1.0Vp-p, impedance 75Ω)
Component Video Jack CB/CR  1 (0.7Vp-p, impedance 75Ω)
Audio inputs: Phono jack (L/R) x 2 (500mVrms, more than 47KΩ)
Video monitor outputs: Phono jack x 1 (1Vp - p, 75Ω)
Audio monitor outputs: Phono jack (L/R) x 1 (500mVrms, less than 820Ω)
Headphone jack: Mini stereo jack x 1
Sound Output (RMS) . . . . 7.5W + 7.5W
. . . . . . . . . . . . . 6 cm  12 cm  2 pcs
Speaker
Dimensions . . . . . . . . . . . . 750 (W)  581 (H)  497 (D)mm
Weight . . . . . . . . . . . . . . . . approx. 47.5 Kg
Specifications subject to change without notice.
BA4V/BA4W
TV/A V
MEN U
-
+
CH
POW ER
VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
0-11, 5A(Aus), 1-11(NZ)
UHF: 21-69, A14-A69, J13-J62, 28-69(Aus)
CATV: S1-S41, X, Y, Z, Z+1, Z+2
FILE NO.
Model No. CP29EF1
(Australia / New Zealand)
Service Ref. No. CP29EF1-00
CP29EF1-50
TV/AV
TIMER
x
1
2
3
4
5
6
7
8
9
-/--
P
P
0
CH
SWAP
CH SCAN
MENU
.
A B
CH
PICTURE
SOUND S. SYS
BASS
SURROUND
JXPSG
Product Code: 113003716
Original Version
Chassis Series: FC6-A
- NOTE -
Service Ref. No. CP29EF1-00 is electrically the
same as Service Ref. No. CP29EF1-50.
The difference between Service Ref. No.
CP29EF1-00 and CP29EF1-50 is as follow:
1) Destination CP29EF1-00...Australia
CP29EF1-50...New Zealand
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.
(BA4V)
(BA4W)
SM
3010346

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  • Page 1 - NOTE - CATV: S1-S41, X, Y, Z, Z+1, Z+2 Service Ref. No. CP29EF1-00 is electrically the Video IF ....38.0MHz same as Service Ref. No. CP29EF1-50.

  • Page 2: Table Of Contents

    Contents Safety Notice ................2 Chassis Block Diagram .

  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT 8 S-Terminal and S-Woofer speaker are not equipped.
  • Page 4 Chassis Block Diagrams SYSTEM CONTROL IIC SDA IIC SCL...

  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < CPU/IF/Video/Chroma/Def. > QXXAVC796---N 0.022U 0.022U 0.1U 1500P 10K 0.01U 560 0.47U 100U 2.2U 0.01U 680K 100U 0.01U 100U 0.01U 0.047U 0.1U 4.43M V RAMP 0.47U 0.1U 0.015U (METAL FILM) 4.7K 100U 0.01U 0.015U 0.1U 1CHIP GND 100U 0.01U CPU GND...

  • Page 6: Ic Block Diagrams

    IC Block Diagrams IC001 < Audio AMP.> TDA8944J/N1 IC501 < Vertical Output >LA78041 VCC1 VCC2 Thermal Protection OUT1- IN1- IN1+ OUT1+ Pump N.C. N.C. TDA8944J N.C. OUT2- IN2- IN2+ OUT2+ STANDBY/ MODE kΩ MUTE LOGIC SHORT CIRCUIT TEMPERATURE PROTECTION kΩ GND1 GND2 IC3701 <...

  • Page 7: Service Information

    Service Information I Protection Circuit This TV set has a built-in power supply protection circuit. It is provided to protect the TV set in case of a power supply circuit malfunctions. When something abnormality occurs during TV reception, the TV set goes to the stand-by mode. When an abnormality occurs during TV reception, it causes pin 23 of the CPU to go continually Low for about one second.

  • Page 8: Service Adjustments 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 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 DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA...
  • Page 10 Service Adjustments with Replacing Memory IC(IC801) DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA DATA YGAIN Select Blue stretching gain w/ defeat 135 VOLTBL Volume Table Select RWIDTH R Width MPP Function on/off Option 92 ROFFSET R Offset 137 TUNER Tuner Option...
  • Page 11 Service Adjustments with Replacing Memory IC(IC801) DATA INITIAL ITEM RANGE SETUP DESCRIPTION DATA 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255 ROM Correction 0~255...
  • Page 12 Service Adjustments with Replacing Memory IC(IC801) [Entering to Service Mode] Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set. Following setting items appears on the screen. Display for [RF AGC] RF AGC adjustment MENU Read Status MENU...

  • Page 13: Service Mode Adjustments

    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 12. Item 01 [RF AGC] AGC Upper NOTE: Do not attempt this adjustment with weak signal.

  • Page 14: Service Mode Adjustments

    Service Mode Adjustments Items 30-33, 35-37 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. 30 RBIAS (Red Bias), No, 31 GBIAS (Green Bias), and No. 32 BBIAS (Blue Bias) and set each data to 0 by pressing the VOLUME + or - key.

  • Page 15: Service Adjustments

    Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. HIGH VOLTAGE CHECK B-VOLTAGE SUPPLY CHECKING (1) Connect DC meter to TP-B and the ground. Note: +B (+140V) Voltage Check and Grayscale Adjustment (2) Tune the receiver to an active channel and synchro- must be completed before attempting High Voltage Check.

  • Page 16: 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 17: 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 18: Purity And Convergence Adjustment

    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.

  • Page 19: 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*43.5X10L43.5 610 323 4656 CABINET BACK-C7LJ 610 256 7670 HOLDER AC CORD-SGP-D4VA 645 071 1145 ASSY,REMOCON JXPSC 652 002 0634 REMOCON,JXPSG...

  • Page 20: Chassis Electrical Parts List

    BA4V/BA4W Chassis Electrical Parts List 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 21 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description 4050144618 TR 2SC2412K T146 S 4050207719 TR 2SC945A-QA 4050158724 TR 2SC2812-L6-TB 4050207917 TR 2SC945A-RA 4050158922 TR 2SC2812-L7-TB Q491 4051648016 TR KTA1504S-GR-RTK 4051631612 TR 2SC2812N-L6-TB0 4051345925 TR 2SA1037AK-T146-R 4051739813 TR 2SC3928A1R 4051472215 TR 2SA1037AK-S-T146 4051739912...
  • Page 22 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description 4050207719 TR 2SC945A-QA C1005 4040968504 ELECT 10U M 4050207917 TR 2SC945A-RA 4040848905 ELECT 10U M Q886 4051648412 TR KTC3875S-GR-RTK 4031957748 ELECT 10U M 4050144519 TR 2SC2412K T146 R C1006 4032006722 ELECT 220U M...
  • Page 23 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description C226 4040972709 ELECT 0.47U M C3719 4031577114 CERAMIC 2700P K 4040848707 ELECT 0.47U M C3720 4033077018 CERAMIC 0.068U K 4032002625 ELECT 0.47U M 4033709117 CERAMIC 0.068U K C227 4032152211 CERAMIC 0.01U K C3721...
  • Page 24 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description C524 4030641212 POLYESTER 0.1U K 100V 4040559801 ELECT 220U M 200V 4032769726 POLYESTER 0.1U K 100V 4040973706 ELECT 220U M 160V C525TM 4031042820 CERAMIC 56P J C643 4040968801 ELECT 470U M C601 4040881704...
  • Page 25 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description R022 4012567219 MT-GLAZE 18K JA 1/10W 4011050415 MT-GLAZE 100 JA 1/16W 4011052112 MT-GLAZE 18K JA 1/16W R107 4012556510 MT-GLAZE 100 JA 1/10W R031 4012566311 MT-GLAZE 47K JA 1/10W 4011050415 MT-GLAZE 100 JA 1/16W 4011055410...
  • Page 26 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description 4011052815 MT-GLAZE 2.2K JA 1/16W R493 4011623619 MT-GLAZE 470 JA 1/10W R232 4011506110 MT-GLAZE 2.2K JA 1/10W 4011055212 MT-GLAZE 470 JA 1/16W 4011052815 MT-GLAZE 2.2K JA 1/16W R494 4011623619 MT-GLAZE 470 JA 1/10W R233...
  • Page 27 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description 4011050613 MT-GLAZE 10K JA 1/16W 4080480301 ZENER DIODE MTZJ9.1C-52 R837 4012563617 MT-GLAZE 15K JA 1/10W D1002 4070639623 ZENER DIODE MTZJ9.1A 4011051610 MT-GLAZE 15K JA 1/16W 4080480004 ZENER DIODE MTZJ9.1B R838 4012563617 MT-GLAZE...
  • Page 28 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description D476 4070638329 ZENER DIODE MTZJ11C 6450194887 SWITCH,PUSH 1P-1TX1 4070541827 ZENER DIODE RD11EB3 SW1903 6450034701 SWITCH,PUSH 1P-1TX1 D485 4070077415 DIODE EU1 6450194887 SWITCH,PUSH 1P-1TX1 4080614102 DIODE EU1 SW1904 6450034701 SWITCH,PUSH 1P-1TX1 D489 4070995828 ZENER DIODE MTZJ7.5A...
  • Page 29 BA4V/BA4W Ref. No. Part No. Description Ref. No. Part No. Description R742 4011624111 MT-GLAZE 5.6K JA 1/10W 4011056011 MT-GLAZE 5.6K JA 1/16W R744 4011624012 MT-GLAZE 560 JA 1/10W 4011055915 MT-GLAZE 560 JA 1/16W COIL L701 6450079481 INDUCTOR,100U J 6450079504 INDUCTOR,100U K L702A 6520001817 CORE,PIPE...

  • Page 30: Component Locations

    Component Locations Main Board (Parts Side) RC AMP CH UP CH DOWN VOL UP VOL DOWN MENU TV/AV D1901 D1904 GREEN R888 A1901 R1913 SW1901 SW1902 SW1903 SW1904 SW1905 SW601 R1911 D1903 R1912 D1002 K1001 D850 JW13 D1902 R1907 J691 D1003 C1001 J1910...
  • Page 31 Component Locations Main Board (Solder Side) D1908 R1905 D1904 R1904 R888 R1906 SW1906 SW1905 R1902 R1901 D1907 R1001A R1903 D1905 D1903 R887 R1913 SW1904 SW1903 SW1902 SW1901 A1901 C1017 Q886 D1901 R1911 R1003 R1005 R1912 JW13 R1004 D1906 R886 R1001 R1002 J1906 J1029...

  • Page 32: Voltages And Waveforms Charts

    Component Locations CRT Board (Parts Side) CRT Board (Solder Side) C710 L721 L721 C710 R716 J701 R716 C731A J701 C731A C731 L702 C731 L702 L702A L702A L701 Q711 L701 Q711 R705 Q711A R705 Q711A R704 R703 R703 R713 R713 Q741 R723 J703 C751...
  • Page 33 Voltages and Waveforms Charts IC001 (AUDIO AMP.) Pin-1 10.4V 0.4V 3.2V 3.2V 19.7V 11 11.9V 3.2V 3.2V 14 10.4V 17 10.5V IC501 (VERT. OUT) Pin-1 2.4V 26.3V 1.4V 12.5V 25.5V 2.4V IC601 (POWER) Pin-1 32V N.C. 20.9V 1.2V 0.5V IC651 (5VRC) IC202 (5V1) Pin-1 11.5V Pin-1 6.5V...
  • Page 34 -34-...
  • Page 35 -35-...
  • Page 36 SANYO Electric Co., Ltd. June /’08 /30 CPS Printed in Indonesia...
  • Page 37 Allowable error (±5%) CAPACITOR scope and a low capacity probe. N: Metalized carbon Kind (M.carbon) S: Oxied metalized 8. This circuit diagram covers a basic or representative chassis only. CP29EF1-00 W: Wire wounding There Rated wattage (1/2W) POSISTER SERVICE C: Solid...

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