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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . . AC220-240V, 50Hz.
Colour System . . . . . . . . PAL (AV input: PAL/NTSC4.43/NTSC/PAL-60Hz)
Television System . . . . . . B/G
Channel Coverage . . . . .Australia
New Zealand
Video IF . . . . . . . . . . . . . . 38.0MHz
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 pc.
Dimensions . . . . . . . . . . . . 496 (W) ✕ 445.5 (H) ✕ 470 (D)mm
Weight . . . . . . . . . . . . . . . approx. 17.2 Kg
Specifications subject to change without notice.
C2JV
GAM E
-
+
CH
VHF: 0-11, 5A
UHF: 28-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
VHF: 1-11
UHF: 21-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
FILE NO.
Model No. CP20SR1Z
Service Ref. No. CP20SR1Z-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
9
0
-/--
BASS
A B
SURROUND
P
P
PL
CH SCAN
PM
SWAP
MENU
PIC MODE
JXMYA
Product Code: 111355216
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.
(Australia)
SM
5110370
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Table of Contents
Related Manuals for Sanyo CP20SR1Z
Summary of Contents for Sanyo CP20SR1Z
- Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. CP20SR1Z (Australia) Service Ref. No. CP20SR1Z-00 TIMER TV/AV -/-- BASS SURROUND CH SCAN SWAP MENU PIC MODE GAM E JXMYA Specifications Product Code: 111355216 Power Source ..AC220-240V, 50Hz.
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Page 2: Table Of Contents
Contents Safety Notice ............... . 2 Chassis Block Diagram . - Page 3 FILE NO. SERVICE MANUAL Colour Television Model No. CP20SR1Z (Australia) Service Ref. No. CP20SR1Z-00 TIMER TV/AV -/-- BASS SURROUND CH SCAN SWAP MENU PIC MODE GAM E JXMYA Specifications Product Code: 111355216 Power Source ..AC220-240V, 50Hz.
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Page 4: Safety Notice
Contents Safety Notice ............... . 2 Chassis Block Diagram . -
Page 5: Chassis Block Diagram
IC802 Low B 5VRC MEMORY 5V-2 Front Key in IC801 TELETEXT UNIT R/C in IC2001 TELETEXT DECODER A1901A 9V-1 8 9 10 12 16/17 CRT UNIT IIC Bus H-VCC 180V PRE-AMP. 5V-2 Mute Vol. VIDEO IIC Bus Protect HOR. VERT Stand by Mono/St. - Page 6 MUTE OUTPUT IC002 (MUTE ON=HIGH) AUDIO AMP. COLOUR SYSTEM OPTION INPUT (MONO) IC801 KEY SWITCH IN RESET INPUT (ACTIVE=LOW) SWITCH QXXABV864 A101 F/S TUNER SECAM KILLER INPUT (HIGH=SECAM) POWER ON/OFF (ON=HIGH, OFF=LOW) PHOTO COUPLE VIF-M OUTPUT (HIGH=NTSC3.58, LOW=OTHER) RC SIGNAL IN IC201 AFT SIGNAL INPUT (ACTIVE=HIGH)
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Page 7: Ic Block Diagrams
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 IF Ground VCO Filter IF Vcc... - Page 8 Data Clock 1000p Filter 0.01u SIF.In SIF.Out 500K FM Gain Deem-TC 1bit 1bit to BUS Line Sound 500K Interface emph FM.Level 5bit pre- SIF. Sys scaller VIF AMP 2bit 2.5V FM Mute IF In Filter Chroma 1 bit VIF 1 VIF 2 VIF 3 Video...
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Page 9: Service Information
IC Block Diagrams IC501 < Vertical Output > LA78040/TDA9302H Thermal Protection Pump IC002 < Audio AMP.> LA4266 300Ω 30kΩ Filter OUT2 Power 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. -
Page 10: Service Adjustments With Replacing Memory Ic(Ic802)
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. 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 11 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 Vertical linearity Item 06, V-LIN Gray scale...
- Page 12 Service Adjustments with Replacing Memory IC(IC802) INITIAL DATA ITEM DESCRIPTION DATA RANGE Switching of RF Pre-shoot and Over shoot. PORWN RF Pre-shoot/Over shoot Adj. PORSN 00~03 RF Tint Adj. TINT -16~+15 NTSC 4.43 Tint Adj. -16~+15 TINT 443 SHRF -32~+31 RF Sharpness Adj.
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Page 13: Service Adjustments With Replacing Memory Ic (Ic802)
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. MENU Display for [RF AGC] RF AGC adjustment MENU Read Status SI. -
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 11. Item 01 [RF AGC] AGC Item 06 [V-LIN] VERTICAL LINEARITY NOTE: Do not attempt this adjustment with weak signal. -
Page 15: Service Mode Adjustments
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 16: Service Adjustments
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. (2) Tune the receiver to an active channel and synchro- (3) Adjust the vertical centre of the picture with SW501. -
Page 17: 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 18: 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 19: Cabinet Parts List
SPRING-E3HA 610 283 4208 DEC IND-C2AE 610 283 4116 BUTTON UNITED-C2BE 610 292 3094 CABINET FRONT-C2JY 645 041 7252 BADGE,SANYO 610 302 0402 CABINET BACK-C2JR 610 302 0709 LABEL RATING-C2JV 610 011 6405 ROD ANTENNA ASSY 610 216 4886 ROD ANTENNA ASSY... -
Page 20: Chassis Electrical Parts List
C2JV 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 C2JV Ref. No. Part No. Description Ref. No. Part No. Description 405 006 1707 TR 2SA933S-Q 405 015 8902 TR 2SC2812-L7-TB 405 006 1806 TR 2SA933S-R Q686 405 134 5905 TR 2SA1037AK-T146-R Q431 405 018 0507 TR 2SC3332-R 405 147 2205 TR 2SA1037AK-S-T146 405 018 0606 TR 2SC3332-S...
- Page 22 C2JV Ref. No. Part No. Description Ref. No. Part No. Description C106 403 051 3103 ELECT 47U M C486 403 115 0802 ELECT 22U M 100V C107 403 051 3103 ELECT 47U M C491 403 076 5304 CERAMIC 680P K 500V C111 403 215 2201...
- Page 23 C2JV Ref. No. Part No. Description Ref. No. Part No. Description C806 403 164 0204 CERAMIC 0.1U Z R188 401 105 1006 MT-GLAZE 1.2K JA 1/16W C811 403 215 2201 CERAMIC 0.01U K R1902 401 105 3406 MT-GLAZE 27K JA 1/16W C816 403 215 2201 CERAMIC...
- Page 24 C2JV Ref. No. Part No. Description Ref. No. Part No. Description R486 401 026 9907 CARBON 4.7K JA 1/6W R831 401 105 5202 MT-GLAZE 470 JA 1/16W R488 401 142 9508 OXIDE-MT 0.27 JA R833 401 105 0603 MT-GLAZE 10K JA 1/16W R501 401 064 8702 OXIDE-MT...
- Page 25 C2JV Ref. No. Part No. Description Ref. No. Part No. Description 645 018 9265 LINE FILTER D614 407 005 4505 DIODE DS442X L631 645 018 9722 CORE,PIPE 408 008 2406 DIODE 1N4148 L634 645 018 9722 CORE,PIPE 407 012 4406 DIODE 1SS133 L635 645 018 9722...
- Page 26 TR 2SA1037K T146 R D754 407 149 0807 DIODE 1SS355-TE-17 405 002 0407 TR 2SA1037K T146 S 405 002 6706 TR 2SA1179-M6-TB MISCELLANEOUS 405 002 6904 TR 2SA1179-M7-TB K701-L 645 028 0306 SOCKET,CRT 8P SANYO Electric Co., Ltd. A14800/July/’02/30 BB Printed in Japan...
- Page 27 8. This circuit diagram covers a basic or representative chassis only. There S: Oxied metalized W: Wire wounding may be some components or partial circuit differences between the Rated wattage (1/2W) POSISTER SERVICE CP20SR1Z-00 C: Solid RESISTOR Q,R,S actual chassis and the circuit diagram. REF. NO. 12 X 10...
- Page 28 CRT BOARD (Component Location) Waveforms & Voltages (On the Main Board) IC201 (IF/VIDEO/CHROMA) (B-OUT) 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 2.1V 2.0V 2.2V 2.7V 5.2V 2.6V 0.7V 1.3V 1.7V 0.9V...