Panasonic TX-25PX10D/F/P Schematic

Colour Television

SPECIFICATIONS

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

ORDER No. SM-04002

TX-25PX10D

TX-25PX10F

TX-25PX10P
GP2 Chassis

Power Consumption: 99W
Stand-by Power

Consumption: 0.9W
Aerial Impedance: 75Ω unbalanced, Coaxial Type

Receiving System: PAL I, B/G, D/K, PAL-525/60

SECAM L/L’, B/G, D/K
M.NTSC
NTSC (AV only)

Receiving Channels:

VHF E2-E12 VHF H1-H2 (ITALY)
VHF A-H (ITALY) VHF R1-R2
VHF R3-R5 VHF R6-R12
UHF E21-E68 CATV (S01-S05)
CATV S1-S10(M1-M10) CATV S11-S20(U1-U10)
CATV S21-S41(HYPERBAND)

Intermediate Frequency:
Video/Audio

Video 38.9MHz, 34MHz
Audio 32.9MHz, 33.16MHz, 33.4MHz

40.4MHz, 32.4MHz (A2 STEREO)

33.05MHz, 34.05MHz (NICAM)

32.6MHz, 32.4MHz (CZ STEREO)

32.95MHz (NICAM)

Colour 34.47MHz (PAL)

34.5MHz, 34.65MHz (SECAM)

Terminals:

AV1 IN Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 10kΩ
RGB (21 pin)

AV2 IN Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 10kΩ
S-Video IN Y: 1V p-p 75Ω
(21-pin) C: 0.3V p-p 75Ω

AV2 OUT Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 1kΩ
Selectable output (21 pin)
Audio (RCAx2) 500mV rms 1kΩ

High Voltage: 31kV ± 1kV
Picture Tube: A59QDF891X03 59cm

Audio Output: Front Left/Right 2 x 20W

(Music Power) 8Ω Impedance

Headphones: 8Ω Impedance

3.5mm

Accessories
supplied : Remote Control

2 x R6 (UM3) Batteries

Dimensions:

Height: 537mm
Width: 657mm
Depth: 474mm
Net weight: 34.5kg

AV1 OUT Video (21 pin) 1V p-p 75Ω

Audio (21 pin) 500mV rms 1kΩ

Specifications are subject to change without notice.
Weights and dimensions shown are approximate.

ADJUSTMENT PROCEDURE

Item / Preparation Adjustment/Confirmation
+B SET-UP

4. Receive a Window pattern.

5. Set the controls :­Brightness Minimum
Contrast Minimum
Volume Minimum

CUT OFF

1. Receive a Window pattern.

2. Degauss the tube externally.

3. Set the TV into Service Mode 1.

4. Select Sub brightness mode.

Confirm the following voltages.

A - Board

A1 Pin14 3.3 ± 0.2V
A1 Pin17 5 ± 0.2V
A1 Pin20 5 ± 0.2V
A1 Pin22 3.3 ± 0.2V
A1 Pin24 9 ± 0.2V
A1 Pin25 5 ± 0.2V
A1 Pin26 2.5 ± 0.2V

D – Board

D2 Pin14 3.3 ± 0.1V
D2 Pin22 3.3 ± 0.1V
D2 Pin26 2.5 ± 0.1V
D9 Pin1 5 ± 1V
D9 Pin3 9 ± 1V
D9 Pin5 7 ± 1V
D9 Pin7 7 ± 1V
D9 Pin11 6.5 ± 0.5V
D11 Pin1 300 ± 20V
TPD1 205 ± 10V
TPD2 137 ± 2V
TPD3 42 ± 2V
TPD5 42 ± 2V
TPD6 12.5 ± 1V
TPD7 -12.5 ± 1V
TPD8 33 ± 1V
TPD11 5 ± 0.5V

G – Board

TPG5 300 ± 10V
To adjust Cutoff connect an oscillos cop e to the Blue cathode. Adjust "Cutoff"
value using the "Yellow" and "Blue" buttons until the black level is 160V ± 5V,
press "STR" to store the value. Remove the oscilloscope.
Select Highlight/Lowlight mode press "5" to collapse the screen and adjust the
screen “VR” until the display is just visible, press "5" to return to service mode.
Using the "Yellow" and "Blue" buttons adj ust unti l opti mum picture white
balance is achieved, press "STR" to store the value. Select Sub Brightness
mode and adjust until optimum picture brightness is achieved.

SELF CHECK

Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set.
To get into Self-Check mode press the down (-/v) button on the customer controls at the front of the TV set, at the same time
pressing the STATUS button on the remote control, and the screen will show: -

Factory use only

E2 : O.K.
DDP : O.K.
VPCD : O.K.
VSP : O.K.
AVSW : O.K.
TUN : O.K.
MSP : O.K.
DPL : - ­MAS : - -

To exit Self-Check, switch off the TV set at the power button.
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".

OPTION 1:
OPTION 2:
OPTION 3:
OPTION 4:
OPTION 5:
OPTION 6:
OPTION 7:
OPTION 8:
OPTION 9:
OPTION 10:
OPTION 11:
OPTION 12:
OPTION 13:
Check:

TX-25PX10D

0F
00
A0
11
00
05
7F
D4
00
80
1B
00
0C

**

TX-25PX10F

Sum : ****

0F
00
A0
11
00
05
7F
54
00
80
1B
00
0C

**

TX-25PX10P

0F
00
A0
11
00
05
7F
50
00
80
1B
00
0C

**

4

WAVEFORM PATTERN TABLE

CONDITIONS: CONTRAST...MAX, BRIGHTNESS...MID, COLOUR...MID, SHARPNESS...MID

5

ALIGNMENT SETTINGS

(The figures below are nominal and used for representative purposes only.)

1. To enter service mode press the standby button on your service remote (VCR/DVD section) whilst pressing
either 2 , 5 or 8. Button 2 will enter service mode 1, 5 will be service mode 2 and button 8 will be self-check

2. Press the RED / GREEN buttons to step up / down through the functions.

3. Press the YELLOW / BLUE buttons to alter the function values.

4. Press the STR button after each adjustment has been made to store the required values.

5. To exit the Service Mode, press the "N" button.

Alignment Function Settings / Special features

Horizontal Position

Vertical Position

Horizontal Amplitude

Vertical Amplitude

Bow

Vertical Linearity

Top Corner

Bottom Corner

Trapezoid

H – Pos

38

V – Pos

-5

H – Amp

-2

V – Amp

-45

- DVCO

-63

ANGLE

6

BOW

-6

V – Linear

-13

Upper – Corner

10

Lower – Corner

8

Trapez 1

-2

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

Vertical Symmetry

East/West Amplitude

Highlight

Lowlight

Sub-Brightness

V - Sym

38

EW – Amp 1

-48

High 0381 0314 0347
Low 0166 0207 0170

Sub-Brightness

-52

Optimum setting.

Optimum setting.

Optimum setting.

Optimum setting.

6

VIDEO BLOCK DIAGRAM

A

Y

A

Y

V

A

Y

R

Y

8

8

8

A

A

5

5

7

AV1

RED IN 15

GREEN IN 11

BLUE IN 7

VIDEO IN 20

VIDEO OUT 19

/VIDEO IN 20

VIDEO OUT 19

C IN 15

AV2

TUNE

VIDEO

A3

D1

TV CVBS

715

715

V3 V/

V3 C

D - BOARD

V1_CVBS
AV1 OUT

Q1501Q1508

AV2 OUT

Q1502Q1507

TV_CVBS

Q1503Q1504

L - BOARD

R EXT
G EXT
B EXT

Y/V_IN

C_IN

V3_V/Y

V3_C

TXT CVBS

TXT CVBS

39
40

41
53
63

IC1501

VSP9415BVKC3

55

IDEO SIGNAL

62

PROCESSOR

56
52

57
58

61

IC1101

SDA5550MQBTL

21

MICRO

PROCESSOR

Y0÷Y7

A - BOARD

IC1701

DDP3315CQAG3

DEFLECTION
PROCESSOR

8bit

0÷Y7

LLC2

9

4

51 52 53

R OSD

57

G OSD

58

B OSD

59

SVM

41

42

43
44

35

R OUT
G OUT

B OUT

SENSE

Q1712 Q1719
Q1705 Q1708
Q1704 Q1707

Q1703 Q1706

A2

L2

6435

643 5 8

8

14

D8

14

G7

G - BOARD

AV3

C

3

3

3

IC351

R OUT

IC361

G OUT

IC371

B OUT

Q352

5

CRT

Q902

Q901

Q903Q904

VM COIL

AUDIO BLOCK DIAGRAM

A

R

X

A

A
R

A

8

AV1

RIGHT IN 2

LEFT IN 6

RIGHT OUT 1

LEFT OUT 3

RIGHT IN 2

LEFT IN 6

RIGHT OUT 1

LEFT OUT 3

AV2

AUDIO

MONITOR

OUT

L
R

Q3005

Q3006

Q3008

Q3002

SMUTE

Q3003

Q3009

AV1 R IN

AV1 L I N
AV1 R OUT
AV1 L O UT

AV2 R IN

AV2 L I N
AV2 R OUT
AV2 L O UT
MONITOR L

MONITOR R

A - BOARD

A3 D1

30

30

28

28

8
6

27

27

26

26

22

22

20

20

32

32

33

33

8
6

D - BOARD

57

MSP3410GAB83

58
36
37
54
53

33
34

25
24

V3 L

67

D8

6

G7

IC2001

UDIO

PROCESSOR

5150

27

Q252

V3

7

SPKR OUT R

SMUTE

60 MONO IN
67 ANA IN 1

78 D CTRL

28

SPKR OUT L

Q251

Q101 Q102

IC251

C1BA00000269

AUDIO OUTPUT
2 L IN
5 R IN

101X102

R OUT 7

L OUT 11

D17

G16

Q106

41

41

TUNE

AM

MSP

G14

1

L

4

R

V3

5
4

9
8

HEADPHONE

2 L

3 R

R

G - BOARD

L

V

A

A

A

R

9

A - BOARD

5

SDA16SCL1

IC1104

EAROM

IC1103

FLASH MEMORY

D0÷D7

0÷A18

A0÷A19

D0÷D7

IC1102

SDRAM

G 24

WE 29

OE

CONTROL BLOCK DIAGR AM

56

SDA2

SCL1

7

RC SIG

SDA1

1 CTL

Q1901

IC1900

21 RESET

IC880

2

SCL2

IC2001

D - BOARD

3

SDA2

IC851

G - BOARD

TUNE

SDA2

SCL2

SCL2
SDA2
AFC

34

D3

IC1501

IDEO SIGNAL

PROCESSOR

IC1701

DEFLECTION
PROCESSOR

IC1101

MICRO

PROCESSOR

88 PSEN OUT

D0÷D7

A0÷A19

64 WR OUT

24

65 RD OUT

RESET 15

SCL1(3.3V) 9

SDA1(3.3V)

SCL2(5V)
SDA2(5V)

TV OFF 13

KEYSCAN

AFC 25

ST/ON

PROT1 31

RC IN 33

STBY LED 44

SMUTE 45

RST 50

1

IC1105

10

Q1109

11

3,3V

12

Q1110

LEVEL

SHIFTER

5V

24

62

Q1116

1

IC1106

FBL1 37

SDA1(3,3V) 6

SCL1(3,3V) 13

RST 24

ROTATION 20
SDA1(3,3V) 64
SCL1(3,3V) 63

RST 62

RST3.3

Q1112

ROTATION

SCL1(3.3V)
SDA1(3.3V)

SCL2(5V)
SDA2(5V)

KEYSCAN

STBY LED

RST5.0

TV OFF

AFC

ST/ON

PROT1

RC SIG

SMUTE

BUS

A1

A3

15
31

D2

PROT1

15

15
28
30
31
32

33
34

4

9
10
11
12

28
30
31

32
33
34

D1

10
11
12
15
31

4
9

TV OFF
SDA1(3.3V)

SCL1(3.3V)
SCL2(5V)
SDA2(5V)
AFC

ST/ON
ROTATION
STBY LED
RC SIG
KEYSCAN
SMUTE
RST5.0

KEYSCAN

FBT, HEATER

12 11 10

D8

12 11 10

G7

RM1001

KEYSCAN

ROTATION

STBY LED

RC SIG

9

9

RC RECEIVER

SCL2

POWER SUPPLY

Q251

Q252

TV OFF

Q873

Q1002

D1001

SLOW1 27
SLOW2 26

AV1/AV2 37

SERVICE 16

AV LINK IN 34

AV LINK OUT 35

Q1118

Q1119

AV LINK IN

AV LINK OUT

Q1113

Q1111

Q1114

Q1115

AV1/AV2

SCL2(5V)
SDA2(5V)

Q1104

SERVICE

Q1108

Q1107

V1

8 SLOW1
10 SCL

/AV LINK

12 SDA
16 FBL1

V2

8 SLOW2

AV LIN K

Q1105

10 AV LIN K