Panasonic TX-21AP1 User manual

Colour Television

TX-21AP1

Z8T Chassis

SPECIFICATIONS

Power Source: 220-240V a.c., 50Hz

Power Consumption: 52W

Stand-by Power

Consumption: 0,9W

Aerial Impedance: 75Ωunbalanced, Coaxial Type

Receiving System: PAL I, PAL-525/60

M.NTSC (AV only)

NTSC (AV only)

Receiving Channels: UHF E21-E68

Intermediate Frequency:

Video/Audio

Video 39,5MHz

Audio 33,5MHz

32,95MHz (NICAM)

Colour 35,07MHz

Terminals:

AV1 IN Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 10kΩ

RGB (21 pin) 0,7V p-p 75Ω

AV1 OUT Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 1kΩ

AV FRONT Audio (RCAx2) 500mV rms 10kΩ

Video (RCAx1) 1V p-p 75Ω

High Voltage: 27kV ± 1kV

Picture Tube: A51ERF135X71 51cm

Audio Output: 2 x 5W RMS, 2 x 10W MPO

8ΩImpedance

Headphones: 8ΩImpedance

Accessories

supplied : Remote Control

2 x R6 (UM3) Batteries

Dimensions:

Height: 476mm

Width: 524mm

Depth: 473mm

Net weight: 22kg

Specifications are subject to change without notice.

Weights and dimensions shown are approximate.

NOTE: This Service Manual should be used in conjunction with

the Z8 Technical guide.

ORDER No. 02-SM-002

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

BERKS.,

RG12 8FT.

VIDEO & STEREO AUDIO BLOCK DIAGRAM

TUNER

IC601

23 IF1

UOC

X103

Q2001

JK3101

HEADPH

24 IF2

28 SIF1

29 SIF2

R IN 46

G IN 47

B IN 48

QSS OUT 35

VIDEO OUT 38

VIDEO IN 40

VIDEO EXT 42

53 B OUT

52 G OUT

51 R OUT

IF1 IF2

IC2001

QSS IN 47

R IN 42

L IN 41

OUT L 31

OUT R 30

24 AMP R

25 AMP L

MULTI-STANDART

SOUND

PROCESSOR

IC251

AUDIO OUTPUT IC

5 R IN

1 L IN

L OUT 10

R OUT 8

Q2001

Q601 Q602

Q2004 Q2003

AV 21 PIN SCART

20 VIDEO IN

15 R IN

11 G IN

19 VIDEO OUT

7 B IN

6 L IN

3 L OUT

2 R IN

1 R OUT

Q3104

602

SOUND TRAP

E-BOARD

CRT

Y-BOARD

IC351

123

Q351

D370

D371

D372

POWER SUPPLY & DEFLECTION BLOCK DIAGRAM

CRT

Y-BOARD

IC351

Q351

D350

F801 S802

Degauss Coil

T802 RL801

D802

P2 P1

S2 S1

Mains In

Line

Filte

D801

D1202

Q1201

D1201

IC1104

REMOTE IN

VCC

IC1103

EAROM

IC1102

IC1201

IC1102

VDD

R1202

5V STANDBY

Q1204

R1205

IC601 PIN 1

POWER ON/OFF

IC801

POWER

SUPPLY

R804

IC802

D812

D804

D813

D811

D806

D805

T802

IC701

IC702

F853

F852

D853

Q851

D852

Q852

IC251

AUDIO

OUTPUT

Q701

Q702

Q751 Q752

IC451

VERTICAL

OUTPUT

IC601

UOC

61 VDDP

56 VDDC

54 VDDA

20 AVL/EW

14 VCC

39 VP

BCL 49

IBL 50

PROT 36

FBI/SCO 34

HOUT 33

V- 21

V+ 22

D701

D751

F851

D851

Q753 Q501 T553

D501

D510

Q551

D556

D557

HOT

D752

T552

FBT

D559

D401

D402

Q402

Q401

D553

STANDBY

Q603

D603

+190V

D606

+8V

D601

+5V

D403

Q552

E-BOARD

TO RGB

INPUTS

HEATER

IC1105

IC2001

IC851

IC852

D552

D554

5V 8V

D1205

TUNER

TU2 33

MB 5V

D002

D003

CONTROL BLOCK DIAGRAM

CRT

Y-BOARD

IC351

D350

IC601

1 STANDBY

UOC

REM IN 64

Q1102

601

2 SCL

3 SDA

6 KEYSCAN

8 SLOW SW

11 MUTE2

27 AGC

RESET 60

XTAL 59

XTAL 58

IBL 50

BCL 49

FBL 45

PROT 36

D1107

Q1107

D1104

STANDBY

AV 21 PIN SCART

16 FAST SW

8 SLOW SW

SWITCHING

MATRIX

Q1109

D1106

Q1110

Q1204

Q1201

RL801

TUNER

TU2 33

MB 5V

IC1103

EAROM

IC1104

REMOTE IN

IC1105 IC2001

IC1102

OUT 1

T552

IC251

AUDIO

OUTPUT

3 MUTE

SDA SCL

7 SCL

8 SDA

20 RESET

XTAL 52

XTAL 51

OUT 1

3FBT

Q255

Q253

E-BOARD

Q603

Q401

Q402

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