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SERVICE MANUAL Colour Television
TV/AV
-
Specifications
Power Source . . . . . . . . . AC110-240V, 50Hz/60Hz.
Colour System . . . . . . . . PAL/SECAM/NTSC4.43/NTSC/PAL-60Hz
Television System . . . . . . B/G, D/K, K', I, M/M
Channel Coverage . . . . . VHF: E2-E12, R1-R12, K1-K9, A2-A13, J1-J12
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . . 38.9MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack ✕ 2 (1Vp - p, 75Ω)
Audio inputs: Phono jack ✕ 2(436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack ✕ 1(1Vp - p, 75Ω)
Audio monitor outputs: Phono jack ✕ 1(436mVrms, less than 600Ω)
Sound Output (RMS) . . . . 3W
Speaker . . . . . . . . . . . . . . 5cm ✕ 9cm ✕ 1 pcs.
Dimensions . . . . . . . . . . . .CR14SR8: 363(W) ✕ 346(H) ✕ 366(D)mm
CR20SR8: 496(W) ✕ 446(H) ✕ 470(D)mm
Weight . . . . . . . . . . . . . . .CR14SR8: approx. 8.6 Kg
CR20SR8: approx.17.2 Kg
Specifications subject to change without notice.
C2CC/C2JC
All manuals and user guides at all-guides.com
+
CH
FILE NO.
Model No. CR14SR8
Service Ref. No. CR14SR8-00
TV/A V
-
+
CH
Product Code:
1 113 551 02 (CR14SR8)
1 113 552 02 (CR20SR8)
Original Version
Chassis Series: AC5-A
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.
CR20SR8
(SINGAPORE)
CR20SR8-00
TIMER
TV/AV
2
3
1
4
5
8
6
7
9
0
-/--
A/B
PL
MENU
PM
PIC MODE SWAP
CH SCAN
P
P
BASS
JXMPA
SM
5110300

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Summary of Contents for Sanyo CR14SR8-00

  • Page 1 All manuals and user guides at all-guides.com FILE NO. SERVICE MANUAL Colour Television Model No. CR14SR8 CR20SR8 (SINGAPORE) Service Ref. No. CR14SR8-00 CR20SR8-00 TIMER TV/AV TV/AV -/-- MENU PIC MODE SWAP CH SCAN TV/A V BASS JXMPA Specifications Product Code: Power Source .
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Contents Safety Notice ............... . 2 Chassis Block Diagram .
  • Page 3: Chassis Block Diagram

    All manuals and user guides at all-guides.com Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT...
  • Page 4 All manuals and user guides at all-guides.com Chassis Block Diagrams SYSTEM CONTROL...
  • Page 5: Ic Block Diagrams

    All manuals and user guides at all-guides.com IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818 Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2...
  • Page 6 All manuals and user guides at all-guides.com IC Block Diagrams IC201 <IF System Block Diagram> LA76818...
  • Page 7: Service Information

    All manuals and user guides at all-guides.com IC Block Diagrams IC501 < Vertical Output > LA78040/TDA9302H IC281 <SECAM Decoder> LA7642N EQU-Adj Kil-Out AV/SECAM SC-In 4MHz In Video In 4.43MHz In Thermal Protection Pulse System Pulse Bell/EQU Bell/EQU Filter Pump KILLER Filter Clamp F0 Adj...
  • Page 8: Service Adjustments With Replacing Memory Ic(Ic802)

    All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) Note: The CPU (IC801) 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.
  • Page 9 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) [2] Required Service Adjustments Readjust the following service adjustments. Adjustments Service Mode No. & Item RF AGC Item 01, RF AGC Horizontal centre Item 02, H-PHA Vertical size Item 04, V-SIZ Vertical-S correction Item 05, V-SCO...
  • Page 10 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) INITIAL DATA ITEM DESCRIPTION DATA RANGE White peak limitter. 00~03 YGAM 00~03 Y Gamma setting. PORW Switching of Pre-shoot and Over shoot in AV mode. PORS Pre-shoot/Over shoot Adj. in AV mode. 00~03 00~03 RF Coring Gain Adj.
  • Page 11 All manuals and user guides at all-guides.com Service Adjustments with Replacing Memory IC(IC802) [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. P▲...
  • Page 12: Service Mode Adjustments

    All manuals and user guides at all-guides.com 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 11. Item 01 [RF AGC] AGC Item 06 [V-LIN] VERTICAL LINEARITY NOTE: Do not attempt this adjustment with weak signal.
  • Page 13 All manuals and user guides at all-guides.com Service Mode Adjustments Items 14-17, 19-21 GREY SCALE (1) Receive the monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-14 RBIAS, 15 GBIAS, 16 BBIAS, 17 RDRIV and 19 BDRIV mode to 64. (5) Select Item-20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line.
  • Page 14: Service Adjustments

    All manuals and user guides at all-guides.com Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. VERTICAL CENTRE B-VOLTAGE SUPPLY CHECKING (1) Receive the monochrome circular pattern. (1) Connect DC meter to TP-B and the ground. (2) Set the brightness and contrast to maximum.
  • Page 15: Special Function

    All manuals and user guides at all-guides.com 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 16: Purity And Convergence Adjustment

    All manuals and user guides at all-guides.com 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.
  • Page 17: Cabinet Parts List

    SPRING 610 283 4208 DEC IND 610 283 4109 BUTTON UNITED 610 296 5063 CABINET FRONT 645 041 7252 BADGE,SANYO 610 292 9393 CABINET BACK 610 298 4262 LABEL RATING 645 045 8606 ASSY,REMOCON JXMPA 610 291 6829 RC-BATTERY LID...
  • Page 18 SPRING 610 283 4208 DEC IND 610 283 4116 BUTTON UNITED 610 296 5070 CABINET FRONT 645 041 7252 BADGE,SANYO 610 292 9409 CABINET BACK 610 298 4279 LABEL RATING 645 045 8606 ASSY,REMOCON JXMPA 610 291 6829 RC-BATTERY LID...
  • Page 19: Chassis Electrical Parts List

    All manuals and user guides at all-guides.com Chassis Electrical Parts List C2CC (Model CR14SR8) 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 20 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description Q431 405 018 0507 TR 2SC3332-R 405 147 2205 TR 2SA1037AK-S-T146 405 018 0606 TR 2SC3332-S 405 002 0308 TR 2SA1037K T146 R Q432 405 157 1304 TR 2SD2634-YB...
  • Page 21 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description C113TM 403 069 8305 CERAMIC 0.01U Z 403 353 1005 MT-POLYPRO 4700P H 1.5K C120 403 284 4304 CERAMIC 0.022U K C436 403 165 7608 CERAMIC 220P K...
  • Page 22 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description C645 403 148 0404 ELECT 1000U M R121 401 105 6605 MT-GLAZE 6.8K JA 1/16W C651 403 040 9406 ELECT 330U M R122 401 105 2805 MT-GLAZE...
  • Page 23 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description R424 401 024 7004 CARBON 1K JA 1/6W R805 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R426 401 024 7400 CARBON 10K JA 1/6W R811 401 105 5301...
  • Page 24 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description COIL 408 009 9008 DIODE BYD33D L171 645 049 3379 TRANS,OSC,38MHZ D512 407 005 7308 DIODE EM01Z 407 005 8602 DIODE ERA15-02 L234 401 024 9008 CARBON...
  • Page 25 All manuals and user guides at all-guides.com C2CC Ref. No. Part No. Description Ref. No. Part No. Description A101 645 044 1356 TUNER,U/V C751 403 042 4805 ELECT 1000U M A1901A 645 041 1519 UNIT,REMOCON RECEIVER RESISTOR K1001 645 011 6186 JACK,RCA-2 K1002 645 011 2973...
  • Page 26 All manuals and user guides at all-guides.com Chassis Electrical Parts List C2JC (Model CR20SR8) 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 27 All manuals and user guides at all-guides.com C2JC Ref. No. Part No. Description Ref. No. Part No. Description Q449 405 011 8401 TR 2SC1740S-Q 405 002 6706 TR 2SA1179-M6-TB 405 011 8500 TR 2SC1740S-R 405 002 6904 TR 2SA1179-M7-TB 405 011 8609 TR 2SC1740S-S Q818 405 014 4509...
  • Page 28 All manuals and user guides at all-guides.com C2JC Ref. No. Part No. Description Ref. No. Part No. Description C124 403 215 2201 CERAMIC 0.01U K C441 403 346 7007 MT-POLYPRO 0.24U J 250V C132 403 048 6308 ELECT 0.47U M C449 403 041 8804 ELECT...
  • Page 29 All manuals and user guides at all-guides.com C2JC Ref. No. Part No. Description Ref. No. Part No. Description C643 403 148 2002 ELECT 470U M R116 401 105 4403 MT-GLAZE 39 JA 1/16W C644 403 148 0404 ELECT 1000U M R121 401 105 6605 MT-GLAZE...
  • Page 30 All manuals and user guides at all-guides.com C2JC Ref. No. Part No. Description Ref. No. Part No. Description R423 401 022 4104 CARBON 68K JA 1/4W R687 401 020 2003 CARBON 4.7K JA 1/4W R424 401 024 7004 CARBON 1K JA 1/6W R688 401 027 5502...
  • Page 31 All manuals and user guides at all-guides.com C2JC Ref. No. Part No. Description Ref. No. Part No. Description 645 047 1704 TRANS,POWER,PULSE 20/21 W 407 012 4406 DIODE 1SS133 COIL 407 013 4306 DIODE 1S2076A L171 645 049 3379 TRANS,OSC,38MHZ 407 013 7109 DIODE 1S2473 L234...
  • Page 32 DIODE 1SS355-TE-17 405 001 7605 TR 2SA1015-Y(SAN) MISCELLANEOUS 405 004 3109 TR 2SA564A-Q(CU) K701-L 645 028 0306 SOCKET,CRT 8P 405 004 3208 TR 2SA564A-R(CU) 405 006 1707 TR 2SA933S-Q SANYO Electric Co., Ltd. A14800 /Feb. /’02 /30 BB Printed in Japan...
  • Page 33 All manuals and user guides at all-guides.com SANYO Electric Co., Ltd. A14800 /Feb. /’02 /30 BB Printed in Japan...
  • Page 34 8. This circuit diagram covers a basic or representative chassis only. There Rated wattage (1/2 may be some components or partial circuit differences between the SERVICE CR14SR8-00 actual chassis and the circuit diagram. REF. NO. 9. Parts specified with "X" are not installed in this model.
  • Page 35 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2CC) Page P1 [Right] L REAR IN R REAR IN L FRONT IN V FRONT IN V REAR IN CLOCK CLOCK DATA DATA TP101A J30B0250N :J30B1380N C107 EM47 TP101B 130V R106 R107...
  • Page 36 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2CC) Page P2 [Left] CRT BOARD (Component Location) (B-OUT) (R-OUT) (G-OUT) (C4SG) MAIN BOARD (Component Location) TV/AV RC PRE-AMP. CH UP CH DOWN VOL. UP VOL. DOWN MENU AUDIO AUDIO VIDEO IN (L)
  • Page 37 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2CC) Page P2 [Right] Waveforms & Voltages (On the Main Board) IC201 (IF/VIDEO/CHROMA) Pin-1 2.3V 2.2V 2.7V 3.2V 2.9V 2.9V 5.0V 2.5V 2.3V 4.3V 4.1V 4.3V 1.6V 1.7V 1.6V 8.3V 2.2V 2.1V...
  • Page 38 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2JC) Page P1 [Left] R FRONT IN R FRONT IN L REAR IN R REAR IN L FRONT IN L FRONT IN V FRONT IN V FRONT IN V REAR IN CLOCK IC002 DATA...
  • Page 39 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2JC) Page P1 [Right] L REAR IN R REAR IN L FRONT IN V FRONT IN V REAR IN CLOCK CLOCK DATA DATA TP101A J30B0250N :J30B1380N C107 EM47 TP101B 130V R106 R107...
  • Page 40 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2JC) Page P2 [Left] CRT BOARD (Component Location) (B-OUT) (R-OUT) (G-OUT) (C4SG) MAIN BOARD (Component Location) TV/AV RC PRE-AMP. CH UP CH DOWN VOL. UP VOL. DOWN MENU AUDIO AUDIO VIDEO IN (L)
  • Page 41 All manuals and user guides at all-guides.com Schematic Diagrams - CR14SR8 (C2JC) Page P2 [Right] Waveforms & Voltages (On the Main Board) IC201 (IF/VIDEO/CHROMA) Pin-1 2.3V 2.2V 2.7V 3.2V 2.9V 2.9V 5.0V 2.5V 2.3V 4.3V 4.1V 4.3V 1.6V 1.7V 1.6V 8.3V 2.2V 2.1V...

This manual is also suitable for:

Cr20sr8Cr14sr8Cr20sr8-00111355102111355202

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