Sanyo CP21SE1K Service Manual

Sanyo CP21SE1K Service Manual

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SERVICE MANUAL Colour Television
VID EO
AUD IO

Specifications

Power Source
. . . . . . . .AC127-240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
0-11, 5A (AUS), 1-11 (NZ)
Television System . . . . .B/G, D/KK', I, M/M
Channel Coverage . . . . .VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
UHF: 21-69, A14-A69, J13-J62, 28-69 (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)
Audio inputs: Phono jack (L)  2 (436mVrms, impedance more than 40KΩ)
Video monitor output: Phono jack  1 (1.0Vp-p, 75Ω)
Audio monitor outputs: Phono jack(L)  1(436mVrms, Impedance less than
600Ω)
Speaker . . . . . . . . . . . . . . 5 cm  9 cm  2 pcs.
Sound Output (RMS) . . . 2.5W + 2.5W
Dimensions . . . . . . . . . . . 580 (W)  460 (H)  457 (D) mm
Weight . . . . . . . . . . . . . . . approx. 19.1 Kg
Specifications subject to change without notice
BE6V/BE6W
-
+
CH
0-11, 5A (AUS), 1-11 (NZ)
FILE NO.
Model No. CP21SE1K
(Australia / New Zealand)
Service Ref. No. CP21SE1K-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
JXPSG
Product Code: 113016816
Original Version
Chassis Series: AC7-A
- NOTE -
Service Ref. No. CP21SE1K-00 is electrically
the same as Service Ref. No. CP21SE1K-50.
The difference between Service Ref. No.
CP21SE1K-00 and CP21SE1K-50 is as follow:
Destination CP21SE1K-00....Australia
CP21SE1K-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
CP21SE1K-50
(
)
New Zealand
SM
3010331

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Table of Contents
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Summary of Contents for Sanyo CP21SE1K

  • Page 1: Specifications

    Service Ref. No. CP21SE1K-00 is electrically CATV: S1-S41, X, Y, Z, Z+1, Z+2 the same as Service Ref. No. CP21SE1K-50. Video IF ....38.0 MHz The difference between Service Ref. No.
  • 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...
  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < CPU/IF/Video/Chroma/Def.> QXXAVC940---M/QXXAVD010---M...
  • Page 6 IC Block Diagrams IC001 < Audio AMP.> LA42105-E IC501 < Vertical Output > LA78040B-E Standby Thermal Protection Input amplifier +OUT1 Output amplifier 30kΩ Pump -OUT1 Vcc / ground shorting protection circuit Load shorting protection circuit Thermal protection circuit MUTE Ripple Filter...
  • Page 7: Service Adjustment With Replacing Memory Ic(Ic801)

    Service Adjustments with Replacing Memory IC(IC802) Note: The CPU (IC201) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) 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: Entering To Service Mode

    Service Adjustments with Replacing Memory IC(IC802) [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(IC802) 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(IC802) 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 BASEBAND TINT 50 0 ~ 7F Base band tint control for component color signal by 7bits DAC BASEBAND TINT 60...
  • Page 11 Service Adjustments with Replacing Memory IC(IC802) 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 VLOGIC STOP 0 ~ 1 Vertical count up logic stop VBLK TEST 0 ~ 1...
  • Page 12 Service Adjustments with Replacing Memory IC(IC802) 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 AGC VTH HYS OFF 0 ~ 1 VIF AGC CURRENT CHANGE FUNCTION HYSTERESIS OFF SWITCH VIF AGC SPEED UP...
  • Page 13 Service Adjustments with Replacing Memory IC(IC802) 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 R MATRIX PAL 0 ~ 3 R Matrix 50 R MATRIX NT DEFFER...
  • Page 14 Service Adjustments with Replacing Memory IC(IC802) 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 AV TV TIME 0 ~ FF BG STRAP OFFSET 0 ~ 12...
  • 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.
  • 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 (+130V) 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: PURITY ADJUSTMENT 8. Tighten the mounting screw of the Deflection Yoke. Adjust 1.
  • Page 20: Mechanical Disassembly

    Mechanical Disassembly CABINET BACK REMOVAL 1. Refer to Figure 1, remove 10 screws. 2. Pull off cabinet back and remove. INPUT MONITOR AV1/DVD AUDIO 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 21: Cabinet Parts List

    610 229 8406 SPRING-E3HA (for power button) 610 331 7274 DEC IND-BB2A 610 341 1828 BUTTON UNITED-BD6L 610 341 8704 CABINET FRONT-BE6R 645 073 9798 BADGE,SANYO*35.0X7.5L35.0 610 335 4064 CABINET BACK-BB2G 652 002 0634 REMOCON,JXPSG 610 341 7608 INSTRUCTION MANUAL-C8WE-D -21-...
  • Page 22: Chassis Electrical Parts List

    BE6V/BE6W 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 23 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description 4050158724 TR 2SC2812-L6-TB IC201 4106465206 IC R2J12203M4-+++FP 4050158922 TR 2SC2812-L7-TB 4106620803 IC R2J12204M4-A02FP 4051631612 TR 2SC2812N-L6-TB0 IC501 4096646104 IC LA78040B-E 4051739813 TR 2SC3928A1R IC601 4106062108 IC STR-W6753(LF2003 4051739912 TR 2SC3928A1S IC802 4096760701 IC LE24C161-E-C...
  • Page 24 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description C202 4041044900 CERAMIC 0.1U K 4040913306 CERAMIC 2200P K 4040912606 CERAMIC 0.1U K 4031134119 CERAMIC 2200P K 4033670417 CERAMIC 0.1U K C235 4041044900 CERAMIC 0.1U K C203 4040947004 CERAMIC 15P J 4040912606 CERAMIC...
  • Page 25 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description C603 4041157501 CERAMIC 1000P K 4040973706 ELECT 220U M 160V 4041078400 CERAMIC 1000P K C643 4041084203 ELECT 470U M 4041157105 CERAMIC 1000P K 4032119620 ELECT 470U M 4040846307 CERAMIC 1000P K C644 4041063901...
  • Page 26 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description R005 4010258208 CARBON 22K JA 1/6W 4021086104 CARBON 3.3K JA 1/6W 4021025301 CARBON 22K JA 1/6W 4020942708 CARBON 3.3K JA 1/6W 4020941701 CARBON 22K JA 1/6W R122 4011506219 MT-GLAZE 1K JA 1/10W R007 4011506219...
  • Page 27 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description R224 4011505915 MT-GLAZE 10K JA 1/10W 4021086104 CARBON 3.3K JA 1/6W 4011050613 MT-GLAZE 10K JA 1/16W 4020942708 CARBON 3.3K JA 1/6W R227 4011622711 MT-GLAZE 180 JA 1/10W R515 4010275502 CARBON 6.8K JA 1/6W...
  • Page 28 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description 4020940605 CARBON 15K JA 1/6W R832 4010103102 CARBON 470 JA 1/2W R668 4010643707 OXIDE-MT 1 JA 4021205505 CARBON 470 JA 1/2W R685 4010146050 CARBON 150K JA 1/4W 4021205604 CARBON 470 JA 1/2W 4010146109...
  • Page 29 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description 4070134306 DIODE 1S2076A D508 4072128818 DIODE KDS160-RTK D005 4080082406 DIODE 1N4148 4080627201 DIODE 1SS35 4080585600 DIODE 1SS133ST 4080660000 DIODE L1SS355T1G 4070124406 DIODE 1SS133 4071630411 DIODE 1SS352-(TPH3) 4070134306 DIODE 1S2076A 4071490817 DIODE 1SS355-TE-17 D1001...
  • Page 30 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description D801 4070639425 ZENER DIODE MTZJ8.2A 6450975707 OSC,CRYSTAL 4.433619MHZ 4080479404 ZENER DIODE MTZJ8.2A 6520016842 OSC,CRYSTAL 4.433619MHZ D802 4080627003 DIODE 1SS356WS 6103414911 ASSY,PWB,CRT BF2R 4080660109 DIODE L1SS356T1G 4071661118 DIODE 1SS356-TW11 1AA0B10S2720B D803 4072217116 ZENER DIODE UDZS-TE-1712B...
  • Page 31 BE6V/BE6W Ref. No. Part No. Description Ref. No. Part No. Description 4021033207 CARBON 2.7K JA 1/2W 4020924308 CARBON 2.7K JA 1/2W R732 4010246403 CARBON 10 JA 1/6W 4021033108 CARBON 10 JA 1/6W 4021021006 CARBON 10 JA 1/6W COIL L702 6450079689 INDUCTOR,150U K MISCELLANEOUS K701...
  • Page 32: Component Locations

    Component Locations Main Board (Parts Side) TP-E1 TP-E C236 Q202 D106 J103 D105 J834 1AA4B10S0440A.C8WS.MAIN J027 J102 J018 J024 JP005 R202A R202 J231 C1001 J222 R201 J025 C204 A101 J219 JP207 J229 J289 J1013 K001 Q203 D1201 J836 JP208 R205 J1012 J833 JP205...
  • Page 33 Component Locations CRT Board (Parts Side) R732 R743 J701 JW7Y C751 R701 JP703 ??? *** R707 Q701A JP702 Q701 R715 J702 JP705 Q703A Q703 A30C5 R716 K701 K701A JP741 L702 R717 C708 R711 R712 1AA4B10S0440B -33-...
  • Page 34: 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 Q1002 Q1003 Q111 Q122 Q202 Q203 Q206 Q431 Q432 4.9V E 2.4V E 0.5V 7.9V E 1.7V C 7.6V C 4.4V C 7.5V C 11.1V...
  • Page 35 -35-...
  • Page 36 SANYO Electric Co., Ltd. May. /’08 /30 CPS Printed In Indonesia...
  • Page 37 SERIES scope and a low capacity probe. CAPACITOR N: Metalized carbon Kind (M.carbon) 8. This circuit diagram covers a basic or representative chassis only. S: Oxied metalized CP21SE1K-00 W: Wire wounding Rated wattage (1/2W) There POSISTER SERVICE C: Solid RESISTOR...

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