Sanyo CP21XS2 Service Manual

Sanyo cp21xs2 colour television
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SERVICE MANUAL Colour Television

Specifications

Power Source . . . . . . . . .AC220-240V, 50/60Hz.
Colour System . . . . . . . .PAL, NTSC4.43, NTSC, PAL 60Hz
Television System . . . . .B/G, DK', I, MM
Channel Coverage . . . . .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, 28-89(Aus)
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . .38.0 MHz
Aerial Input Impedance . 75Ω
Ext. Terminals
Video inputs: Phono jack  2 (1.0Vp-p, impedance 75Ω)
S-Video Input  1 (Din 4 pin, Separate Y/C Signals Input)
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 (R/L)  2 (436mVrms, impedance more than 40KΩ)
Video monitor output: Phono jack  1 (1.0Vp-p, 75Ω)
Audio monitor outputs: Phono jack(R/L)  1(436mVrms, Impedance less than 600Ω)
Woofer output: Phono jack  1(0.22Vrms, Impedance 10KΩ)
Headphone jack: Mini Stereo jack  1
Speaker . . . . . . . . . . . . . . 8 cm  13 cm  2 pcs.
Sound Output (RMS) . . . . 10W + 10W
Dimensions . . . . . . . . . . . 654 (W)  467 (H)  335 (D)mm
Weight . . . . . . . . . . . . . . . approx. 19.6 Kg
Specifications subject to change without notice
BA3V/BA3W
FILE NO.
Model No. CP21XS2
(Australia/New Zealand)
Service Ref. No. CP21XS2-00
TV/AV
TIMER
x
1
2
3
4
5
6
7
8
9
-/--
P
P
0
SWAP
CH
CH SCAN
MENU
.
A B
CH
PICTURE
SOUND S. SYS
BASS
SURROUND
JXPSC
Product Code: 113002916
Original Version
Chassis Series: AC6-B
- NOTE -
Service Ref. No. CP21XS2-00 is electrically the
same as Service Ref. No. CP21XS2-50.
The difference between Service Ref. No.
CP21XS2-00 and CP21XS2-50 is as follow:
1) Destination CP21XS2-00...Australia
CP21XS2-50...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.
(Australia)
CP21XS2-50
(New Zealand)
SM
3010225

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Table of Contents
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Summary of Contents for Sanyo CP21XS2

  • Page 1: Specifications

    - NOTE - CATV: S1-S41, X, Y, Z, Z+1, Z+2 Service Ref. No. CP21XS2-00 is electrically the Video IF ....38.0 MHz same as Service Ref. No. CP21XS2-50.
  • Page 2: Table Of Contents

    Contents Safety Notice ..........2 Chassis Block Diagram .
  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams *) Super Woofer Speaker is 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.> LA76938DE56T5-E 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.> LA42102-E IC501 < Vertical Output > LA78045 Standby Thermal Protection Input amplifier +OUT1 Output amplifier Pump 30kΩ -OUT1 Vcc / ground shorting protection circuit Load shorting protection circuit Thermal protection circuit MUTE +OUT2 Output amplifier 30kΩ...
  • Page 7: Cpu Port Functions

    CPU Port Functions Pin No. Display Functions Pin No. Display Functions SIFout SIF Output (NICAM) FILT FILT pin function IFAGC-F IF AGC Filter Ground SIF-IN SIF Input CCD-Vcc Vcc (5V) pin for 1H delay-line FM-F Filter for the DC loop of FM detector FBP-IN Fly Back Pulse Input...
  • Page 8: 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 9: Entering To Service Mode

    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. MENU Display for [RF AGC] RF AGC adjustment MENU Read Status SI.
  • Page 10 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...
  • Page 11 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...
  • Page 12: Service Adjustment With Replacing Memory Ic(Ic801)

    Service Adjustments with Replacing Memory IC(IC801) DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA 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...
  • Page 13: 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 14: 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 9. Item 01 [RF AGC] AGC Item 05 [V-SIZ] VERTICAL SIZE NOTE: Do not attempt this adjustment with weak signal.
  • Page 15: 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 (+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 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: Mechanical Disassembly

    Mechanical Disassembly CABINET BACK REMOVAL 1. Refer to Figure 1, remove 12 screws. 2. Pull off cabinet back and remove. INPUT S-WOOFER MONITOR AV1/DVD AUDIO AUDIO S-WOOFER ANT. 75Ω S-VIDEO VIDEO Figure 1. Cabinet Back Removal 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.
  • Page 20: Cabinet Parts List

    610 330 4748 DOOR-BA3A 610 331 6628 DEC SHEET BA3A 610 104 2505 LATCH PUSH,7.9X6.9BK 645 019 2449 LATCH PUSH,7.9X6.9BK 645 040 4672 BADGE,SANYO*43.5X10L43.5 645 041 7269 BADGE,SANYO*43.5X10L43.5 610 330 4786 CABINET BACK-BA3A 645 071 1145 ASSY,REMOCON JXPSC 652 002 0634 REMOCON,JXPSG...
  • Page 21: Chassis Electrical Parts List

    Chassis Electrical Parts List BA3V/BA3W 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 22 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4050026726 TR 2SA1179-M6-TB 4050158922 TR 2SC2812-L7-TB 4050026924 TR 2SA1179-M7-TB 4051631612 TR 2SC2812N-L6-TB0 4051631513 TR 2SA1179N-M6-TB 4051739813 TR 2SC3928A1R 4051739615 TR 2SA1235A1E 4051739912 TR 2SC3928A1S 4051739714 TR 2SA1235A1F Q631 4051648412 TR KTC3875S-GR-RTK Q111 4050159721...
  • Page 23 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4094636701 IC KIA7805API 4031957768 ELECT 10U M 4092654806 IC L78M05CV C1009 4032070317 CERAMIC 1U Z IC3701 4095922734 IC LV1116NV-TLM-E 4032789615 CERAMIC 1U Z IC501 4094494202 IC LA78045 C101 4041072002 ELECT 470U M IC601...
  • Page 24 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4031957936 ELECT 100U M C3712 4041086207 ELECT 2200U M 4031957946 ELECT 100U M 4040988502 ELECT 2200U M C210 4041072101 ELECT 10U M 4040936909 ELECT 2200U M 4040871507 ELECT 10U M 4040951704 ELECT 2200U M...
  • Page 25 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4033726312 MT-POLYPRO 0.15U J 250V 4040732105 CERAMIC 1000P M 250V C463 4030617534 POLYESTER 4700P J 4040713302 CERAMIC 1000P M 400V 4031791213 POLYESTER 4700P J 4040978503 CERAMIC 1000P K 400V C465 4030660104 MT-POLYEST...
  • Page 26 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4032001222 ELECT 2.2U M 4011134412 MT-GLAZE 75 JA 1/16W C894 4032815017 CERAMIC 0.033U K R1022 4012562719 MT-GLAZE 75 JA 1/10W 4011134412 MT-GLAZE 75 JA 1/16W RESISTOR R1023 4012562719 MT-GLAZE 75 JA 1/10W R001 4012566014...
  • Page 27 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4011054611 MT-GLAZE 3.9K JA 1/16W R421 4010532714 MT-FILM 3.9K FA 1/6W R1905 4011506110 MT-GLAZE 2.2K JA 1/10W R422 4010214036 CARBON 56K JA 1/4W 4011052815 MT-GLAZE 2.2K JA 1/16W 4010214155 CARBON 56K JA 1/4W...
  • Page 28 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description R610 4010247034 CARBON 1K JA 1/6W R850 4012556510 MT-GLAZE 100 JA 1/10W R611 4010251635 CARBON 1.5K JA 1/6W 4011050415 MT-GLAZE 100 JA 1/16W R612 4010082615 CARBON 180K JA 1/2W R852 4011505915 MT-GLAZE...
  • Page 29 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description 4080480301 ZENER DIODE MTZJ9.1C-52 4070124426 DIODE 1SS133 D1003 4070639623 ZENER DIODE MTZJ9.1A 4070134336 DIODE 1S2076A 4070579632 ZENER DIODE RD9.1EB1 D466 4070638438 ZENER DIODE MTZJ12C T-72 4080480004 ZENER DIODE MTZJ9.1B 4080473402 ZENER DIODE MTZJ12C T-72 4080480301...
  • Page 30 BA3V/BA3W Ref. No. Part No. Description Ref. No. Part No. Description A1901 6450476228 UNIT,REMOCON RECEIVER 4034517810 ELECT 10U M 250V 6450794124 UNIT,REMOCON RECEIVER 4033531411 ELECT 10U M 250V 6450820465 UNIT,REMOCON RECEIVER RESISTOR K1003 6520015401 JACK,RCA-3 K1004 6520015432 TERMINAL,BOARD R701 4010278137 CARBON 82 JA 1/6W...
  • Page 31: Component Locations

    Component Locations Main Board (Parts Side) J3719 J3717 1AA4B10S04000 TP-A C101 C104 TP-M D102 C3715 C106 JW21 J293 J001 J3716 R106 JP1102 R105 C291 K001 R290 IC202 R103 JP1101 J3702 J3718 R228 J210 J290 R107 D103 R211 JW20 R1106 J234 J292 JW17 J3701...
  • Page 32: Component Locations

    Component Locations CRT Board (Parts Side) K701-M K701L R732 C701 JS741 Q721 R743 JW7Y C702 C721 R703 D742 R723 C710 R702 D741 R701 R724 C703 R707 R704A R704 C705 Q701A R705 R715 R707A D731 Q701 Q703A D732 J701 D733 Q705 Q703 R706 R717...
  • Page 33: Voltages And Waveforms Charts

    Voltages and Waveforms Charts Note: Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture. Main Board Q002 Q1001 Q1002 Q1003 Q111 Q122 Q3701 Q431 Q432 Q439 Q424 Q425 E 4.2V 4.2V E 3.2V E 0.5V 9.2V C 5.4V C 3.1V...
  • Page 34: Voltages And Waveforms Charts

    Voltages and Waveforms Charts CRT Board Q701 Q703 Q705 Q721 E 1.9V E 1.9V E 1.2V C 9.2V C 9.6V C 9.2V B 2.1V B 2.1V B 0.5V Q701-C Q701-B Q703-C Q703-B Q705-C Q705-B <B-out> <G-out> <G drive> <R-out> <R drive> <B drive>...
  • Page 35 -35-...
  • Page 36 SANYO Electric Co., Ltd. Oct. /’06 /30 CPS Printed In Indonesia...
  • Page 37 Allowable error (±5%) 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. CP21XS2-00 W: Wire wounding POSISTER Rated wattage (1/2W) There SERVICE C: Solid...

Table of Contents