Sanyo CP21G1 User Manual

SERVICE MANUAL Colour Television
Original Version
Chassis Series: AC5-G
C4MY/C4MZ
FILE NO.
Model No. CP21G1
(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.
0
7
14
85
23
6
9
P▲
P▼
JXMYA
-/--
PP
TV/AV
A B
CH SCAN
TIMER
MENU
PIC MODE
SWAP
BASS SURROUND
Service Ref. No. CP21G1-00
(Australia)
CP21G1-10
(New Zealand)
Product Code: 111367018
REFERENCE NO.
SM5110474
- NOTE -
Service Ref. No. CP21G1-00 is electrically the
same as Service Ref. No. CP21G1-10.
The difference between Service Ref. No.
CP21G1-00 and CP21G1-10 are as follows:
1) Destination CP21G1-00...Australia
CP21G1-10...New Zealand
2) The difference in a parts list is only a rated
label.
Specifications
Power Source . . . . . . . . . AC220-240V, 50Hz/60Hz.
Colour System . . . . . . . . PAL (AV input: PAL/NTSC4.43/NTSC/PAL-60Hz)
Television System . . . . . . B/G
Channel Coverage . . . . .Australia
VHF: 0-11, 5A
UHF: 28-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
New Zealand
VHF: 1-11
UHF: 21-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
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)
Sound Output (RMS) . . . . 2 W
Speaker . . . . . . . . . . . . . . Diameter 8cm ✕ 2 pcs.
Dimensions . . . . . . . . . . . . 502 (W) ✕ 461.6 (H) ✕ 493.3 (D)mm
Weight . . . . . . . . . . . . . . . approx. 19.5 Kg
Specifications subject to change without notice.
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Sanyo CP21G1 Specifications

General

Brand	Sanyo
Model	CP21G1
Category	TV
Language	English

Summary

Safety Information

SAFETY PRECAUTIONS

General safety guidelines for servicing electronic equipment.

X-RADIATION PRECAUTION

Precautions regarding X-ray emissions from the picture tube.

PRODUCT SAFETY NOTICE

Safety considerations for component replacement.

Chassis Block Diagrams

MAIN SIGNAL PROCESSING CIRCUIT

Overview of the TV's main signal processing components.

SYSTEM CONTROL

Block diagram illustrating the system control functions.

IC201 < IF/Video/Chroma/Def. > LA76818A

Detailed block diagram of the IC201 integrated circuit.

IC201 < IF System Block Diagram > LA76818A

Specific block diagram for the IF system within IC201.

IC501 < Vertical Output > LA78040/LA78040N

Block diagram for the vertical output IC501.

IC001 < Audio AMP.> LA4266

Block diagram for the audio amplifier IC001.

Service Information and Procedures

Protection Circuit

Explanation of the TV's built-in power supply protection circuit.

Releasing the protective circuit and restoring power supply

Procedure to reset the protection circuit and restore power.

Service Adjustments with Replacing Memory IC(IC802)

Procedures for initializing and adjusting after memory IC replacement.

Service Mode Adjustments

Detailed procedures for entering and performing service mode adjustments.

RF AGC Adjustment

Procedure for RF AGC adjustment.

HORIZONTAL CENTRE Adjustment

Procedure for adjusting the horizontal centre position.

VERTICAL SIZE Adjustment

Procedure for adjusting the vertical size.

V-S CORRECTION Adjustment

Procedure for V-S Correction adjustment.

VERTICAL LINEARITY Adjustment

Procedure for vertical linearity adjustment.

GREY SCALE Adjustment

Detailed steps for grey scale adjustment.

B-VOLTAGE SUPPLY CHECKING

Procedure for checking and adjusting the B-voltage supply.

HIGH VOLTAGE CHECK

Procedure for checking high voltage levels.

FOCUS ADJUSTMENT

Procedure for adjusting the focus control.

Special Functions and Calibration

Special Function Settings

Overview of special functions like Volume Lock, Tuning Lock, Music Mode.

Purity and Convergence Adjustment

Procedures for purity and convergence adjustments.

Parts Lists

Cabinet Parts List

List of cabinet parts with their part numbers and descriptions.

Chassis Electrical Parts List

Comprehensive list of electrical components used in the chassis.

Capacitor and Resistor Notes

Notes on understanding capacitor and resistor ratings and symbols.

Component Lists

Lists of transistors, capacitors, resistors, diodes, etc.

Technical Data and Schematics

Circuit Diagram Notice

Explains notation and symbols used in circuit diagrams.

Waveforms & Voltages

Voltage and waveform measurements for key components.