Sanyo CP21SE1(V) User Manual

SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . .AC127 - 240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
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
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)
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 (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
Original Version
Chassis Series: AC7-A
BB2Y/BB2Z
FILE NO.
Model No. CP21SE1(V)
Service Ref. No. CP21SE1-10
CP21SE1-20
(Australia / 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.
Product Code: 113006718
REFERENCE NO. SM3010303
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56
7
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0
TV/AV
TIMER
x
-/--
SWAP
CH SCAN
MENU
BASS
SOUND
S. SYS
SURROUND
PICTURE
CH
CH
A B
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PP
JXPSC
- NOTE -
Service Ref. No. CP21SE1-10 is electrically the
same as Service Ref. No. CP21SE1-20.
The difference between Service Ref. No.
CP21SE1-10 and CP21SE1-20 is as follow:
1) Destination CP21SE1-10...Australia
CP21SE1-20...New Zealand
SM_21-BB2Y(AC7-A)Aus 11/3/07 11:18 AM Page 1

Sanyo CP21SE1(V) Specifications

General

Screen Size	21 inches
Display Technology	CRT
Aspect Ratio	4:3
Tuner	Analog
Inputs	Composite

Summary

Safety Notice

Safety Precautions

General safety guidelines for service personnel and equipment operation.

X-Radiation Precaution

Warnings regarding potential X-radiation hazards and maintenance procedures.

Product Safety Notice

Recommendations for component replacement to ensure product safety.

Chassis Block Diagrams

IC Block Diagrams

Service Adjustments with Memory IC Replacement

Initializing Memory IC Procedure

Steps to initialize the memory IC after replacement for proper TV operation.

Required Service Adjustments List

List of adjustments needed after memory IC replacement for optimal performance.

Entering Service Mode

Instructions on how to access the service mode using the remote control.

Service Mode Adjustments

Grey Scale Adjustment (Items 167-171)

Procedure to adjust grey scale and related drive controls for accurate color reproduction.

RF Delay and AGC Adjustment

Adjusting RF delay to minimize snow noise for optimal reception.

Horizontal Adjustment (AFC2 H-PHASE)

Adjusting horizontal phase for optimal horizontal center position.

Vertical Size Adjustment

Adjusting vertical size for optimum picture height.

Vertical Linearity Adjustment

Adjusting vertical linearity for accurate vertical picture geometry.

Vertical Center Adjustment

Adjusting vertical position for optimal vertical centering.

V-S Correction Adjustment

Correcting V-S waveform for accurate picture geometry.

Specific Service Adjustments

B-Voltage Supply Checking

Procedure to check and adjust the B-voltage supply for stable operation.

High Voltage Check

Procedure to check high voltage levels for picture tube operation and safety.

Focus Adjustment

Adjusting the focus control on the FBT for sharp picture clarity.

Special Functions

Volume Lock Setting

Limits maximum sound volume to prevent excessive loudness.

Tuning Lock Setting

Prevents accidental channel changes or tuning.

Music Mode Setting

Enables audio-only mode, turning the screen black.

AV Start Setting

Sets the default input source when the TV is powered on.

Purity and Convergence Adjustment

Purity Adjustment

Adjusting color purity and raster centering using deflection yoke and magnets.

Centre Convergence Adjustment

Aligning red, green, and blue lines for central picture convergence.

Outer Area Convergence Adjustment

Adjusting outer picture area convergence using yoke position.

Mechanical Disassembly

Cabinet Back Removal

Instructions for removing the rear cabinet cover for access to internal components.

Protection Circuit

Releasing Protective Circuit

Procedure to reset the protection circuit and restore power after an anomaly.

Cabinet Parts List

Chassis Electrical Parts List

Component Locations (Main Board)

Component Locations (CRT Board)

Voltages and Waveforms Charts