Table of Contents
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Colour Television
Chassis:
EB4-A
(MKII)
Service Ref.No.:
CE21DN3-B-01
MODEL HISTORY
CE21DN3-B-01
Service Ref.No.
Original manual (CRT A51EBV13X09)
CE21DN3-B-04
Service Ref.No.
Supplement manual (CRT A51EBV13X09)
Tuner change in conjunction with new board layout. The
Tuner used on this cannot be inter replaced on
CE21DN3-B-01 as the Main Board is physically different.
CE21DN3-B-07
Service Ref.No.
Supplement manual (CRT A51EBV13X09)
As CE21DN3-B-04 but also using new CRT board.
Contents
Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Cabinet Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Service control adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Circuit alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Important notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Special Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Electric Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-20
Part No. SKSM0230
Service Manual
F3JMV
MAY 1998 Revision 1 Oct 98
CE21DN3-B
Give complete "SERVICE REF. NO." for parts order
or servicing, it is shown on the rating sheet on the
cabinet back of the TV set.
Note
This TV receiver will not work properly in foreign
countries where the television transmission system
and power source differ from the design
specifications. Refer to the specifications for the
design specifications
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Table of Contents
Related Manuals for Sanyo CE21DN3-B
Summary of Contents for Sanyo CE21DN3-B
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Page 1: Table Of Contents
Service Ref.No. Supplement manual (CRT A51EBV13X09) Tuner change in conjunction with new board layout. The Tuner used on this cannot be inter replaced on CE21DN3-B-01 as the Main Board is physically different. CE21DN3-B-07 Service Ref.No. Supplement manual (CRT A51EBV13X09) Give complete "SERVICE REF. NO." for parts order As CE21DN3-B-04 but also using new CRT board. -
Page 2: Safety Precautions
SAFETY PRECAUTION 1: An isolation transformer should be connected in the 3: When replacing a chassis in the cabinet, always be power line between the receiver and the AC line certain that all the protective devices are installed when a service is performed on the primary of the properly, such as, control knobs, adjustment covers converter transformer of the set. -
Page 3: Block Diagram
BLOCK DIAGRAM This is a diagram for all models and therefore differs slightly from the actual block diagram. Audio Audio Unit SIF Unit EB4 MKII chassis... - Page 4 CIRCUIT DESCRIPTION 1. POWER SUPPLY chroma signals, demodulated in IC201, and output from The power supply circuit of the EB4-A chassis is pin30 (R-Y) and pin31 (B-Y). These chroma signals pass composed of a rectifier smoothing circuit, an oscillation through the 1H delay line circuit (IC271), and they are circuit, a control circuit and an output rectifier circuit.
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Page 5: Circuit Description
Pin25: Black 6. HORIZONTAL OUTPUT Pin26: IREF A horizontal oscillation signal is output from pin37 of Pin27: Odd/Even output IC201 and switches the drive transistor Q431. This Pin28: GND switching signal is current amplified by the drive Pin29: - transformer T431 and drives the output transistor Q432. Pin30: V-deflection stop output When Q432 becomes ON, an amplifying current flows Pin31: RGB REF... -
Page 6: Cabinet Disassembly
CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 10 screws(A). 2. Pull out the cabinet back. PLACING THE CHASSIS TO SERVICE POSITION 1. Pullout the chassis and put it to the rails on the side cabinet. 2. Fix main board with hook on the top rail. EB4 MKII chassis... -
Page 7: Service Control Adjustment
SERVICE CONTROL ADJUSTMENT B1 POWER SUPPLY ADJUSTMENT 5. Set mode to one horizontal scanning line, how to set 1. Set VR641 to be mechanical centre before pressing refer to "service mode" the main switch. 6. Set screen VR for one colour to be just visible. 2. -
Page 8: Circuit Alignment
CIRCUIT ALIGNMENT VIF alignment SETTING Adjustment Waveform DC 15.5V C644 + By using T141, adjust "P" to AGC voltage (4.3-4.5V) IC201-pin48 be maximum amplitude. Output probe IC201-pin45 (Side b) Input probe IC201-pin7 Marker frequency 39.5MHz Sweep ATT 20dB 0dB=176mVrms/75 Trap alignment (Only required for UK model) SETTING Adjustment... -
Page 9: Important Notice
INITIALIZATION (Important Notice) When you replace a memory IC (IC802), it is necessary to initialise the IC as following step. A. Initialization Press and hold the ( ) normalization button on the remote control handset and press the ( programme + button on the TV set. The IC will be initialised automatically to set the following data. -
Page 10: Special Function
SPECIAL FUNCTION This TV set allows you to set up the following special functions. Maximum volume setting and prohibition of presetting ITEM-1 Sets the current volume as the maximum volume level and prohibition of presetting. Start up programme position ITEM-1 SET ->... -
Page 11: Cabinet Parts List
SERVICE REF. NO. CE21DN3-B-01 CABINET PARTS LIST Note: Parts order must contain Service Ref. No., Part No., and descriptions. SURROUND BASS -/-- MENU Ref. No. Part No. Description Ref. No. Part No. Description CABINET PARTS JXMCA RC TRANSMITTER 610 271 4302... -
Page 12: Electric Parts List
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 compone nts whose value have special significance to product safety. - Page 13 Ref. No. Part No. Deacription Ref. No. Part No. Deacription R3815 401 037 5410 MT-GLAZE 1K JA 1/10W RESISTOR R2601 401 018 2800 CARBON 330 JA 1/4W R3816 401 038 3514 MT-GLAZE 330 JA 1/10W R2602 401 019 1901 CARBON 3.9K JA 1/4W R3817...
- Page 14 Ref. No. Part No. Deacription Ref. No. Part No. Deacription C3510 403 069 5611 CERAMIC 0.01U K COIL C3511 403 010 1112 CERAMIC 1000P J L3450 401 037 5014 MT-GLAZE 0.000 ZA 1/10W L3451 645 008 2221 INDUCTOR,2.2U K C3512 403 192 5915 CERAMIC 0.1U K C3513...
- Page 15 Ref. No. Part No. Deacription Ref. No. Part No. Deacription Q871 406 007 2106 TR JC546A C1101 403 049 4204 ELECT 10U M Q872 406 007 2106 TR JC546A C1102 403 009 5718 CERAMIC 100P J Q873 406 007 2106 TR JC546A C1103 403 069 1712 CERAMIC 1000P K...
- Page 16 Ref. No. Part No. Deacription Ref. No. Part No. Deacription C432 403 075 7101 CERAMIC 1000P K 500V RESISTOR C433 403 076 3102 CERAMIC 3900P K 500V R001 401 037 5410 MT-GLAZE 1K JA 1/10W C434 403 229 1207 ELECT 47U M R002 401 037 9210 MT-GLAZE...
- Page 17 Ref. No. Part No. Deacription Ref. No. Part No. Deacription R1105 401 037 5717 MT-GLAZE 100K JA 1/10W R217 401 016 4836 CARBON 22K JA 1/4W R1106 401 037 5717 MT-GLAZE 100K JA 1/10W R218 401 038 7819 MT-GLAZE 56K JA 1/10W R1111 401 037 5618 MT-GLAZE 10K JA 1/10W...
- Page 18 Ref. No. Part No. Deacription Ref. No. Part No. Deacription R800 401 016 3849 CARBON 2.2K JA 1/4W VR501 645 006 5231 VR 100 ALPS R801 401 037 5014 MT-GLAZE 0.000 ZA 1/10W VR641 645 003 5579 VR 2.2K ALPS R802 401 038 0711 MT-GLAZE 2.2K JA 1/10W...
- Page 19 Ref. No. Part No. Deacription Ref. No. Part No. Deacription D1905 407 012 4416 DIODE 1SS133-T-77 J244 401 037 5014 MT-GLAZE 0.000 ZA 1/10W D201 407 063 8319 ZENER DIODE MTZJ11C J245 401 037 5014 MT-GLAZE 0.000 ZA 1/10W D202 407 063 8319 ZENER DIODE MTZJ11C J247 401 037 5014 MT-GLAZE...
- Page 20 Ref. No. Part No. Deacription Ref. No. Part No. Deacription -20- F3JMV...
- Page 21 WITH THE ORIGINAL SERVICE MANUAL FOR CE25DN3-B-01. SERVICE MANUAL SUPPLEMENT FOR ALL INFORMATION NOT CONTAINED IN THIS SUPPLEMENT PLEASE REFER TO THE ORIGINAL SERVICE MANUAL FOR CE21DN3-B-01. THIS SUPPLEMENT ONLY CONTAINS DIFFERENCES BETWEEN SERVICE REFERENCE NUMBERS. Specifications FOR SCHEMATIC DIAGRAM REFER TO CE21DN3-B-01.
- Page 22 ELECTRICAL PARTS LIST DIFFERENCES Description Ref. No. Part No. Ref. No. Part No. Description Service Ref. No. CE21DN3-B-04 150V Chassis construction R661 ASSY, PWB, MAIN F3JMY 1AA0B10H029F0 D661 (Differences) HZT33 :L5630 :UPC574J ASSY,PWB,SIF F3JM 1AA0B10E4120A (Page 13) R806 IC654 C661...
- Page 23 NEW BOARD LAYOUT REQUIRED FOR NEW TUNER TUNER CANNOT BE FITTED INTO OLD SERIES BOARD, OLD TUNER CANNOT BE FITTED INTO NEW SERIES BOARD.
- Page 24 WITH THE ORIGINAL SERVICE MANUAL FOR CE21DN3-B-01. SERVICE MANUAL SUPPLEMENT FOR ALL INFORMATION NOT CONTAINED IN THIS SUPPLEMENT PLEASE REFER TO THE ORIGINAL SERVICE MANUAL FOR CE21DN3-B-01. THIS SUPPLEMENT ONLY CONTAINS DIFFERENCES BETWEEN SERVICE REFERENCE NUMBERS. Specifications FOR SCHEMATIC DIAGRAM REFER TO CE21DN3-B-01.
- Page 25 Description Ref. No. Part No. Ref. No. Part No. Description R744 401 017 0807 CARBON 270 JA 1/4W Service Ref. No. CE21DN3-B-07 R752 401 012 7009 CARBON 10K JA 1/4W Chassis construction R753 401 012 7009 CARBON 10K JA 1/4W...
- Page 26 150V R661 D661 HZT33 :L5630 :UPC574J R806 IC654 C661 BA178M09T EM4.7 R804 R807 6.8K L101 L2B9 100KN C802 63GK0.1V :HJ0.1G C110 C100 CJ82CA 16EM C101 T101 16EM SL0004XV 470CD J30B0250N J30B0250N C108 C109 CC5CA CC5CA C117 R101 1/10GZ 1/10GZ R108 C114 L102 1/10GZ...
- Page 27 NEW BOARD LAYOUT REQUIRED FOR NEW TUNER TUNER CANNOT BE FITTED INTO OLD SERIES BOARD, OLD TUNER CANNOT BE FITTED INTO NEW SERIES BOARD.
- Page 28 How to use this document Display only the page Display the page with bookmarks View actual size Fit the page to the window Fit the visible width to the window Page back and page forward Undoes a change of page or view, or redoes a change Go to first and last page Text selection tool a b c...