8859-puo manual de servicio lider 25 29 y 34 tmpa8859

CL2999C

TMPA 8859 SERVICE MANUAL

CONTENT(1) General-----------------------------------------------------------------------------1

(2) Frame Chart-------------------------------------------------------------------fig.1

(3) IC Function Introduction ------------------------------------------------------13.1 N501 TMPA8859-----------------------------------------------------23.2 N001 TC90L01N ----------------------------------------------------------3

3.3 N301 TDA8172 ------------------------------------------------------------43.4 N601 TA1343N-------------------------------------------------------------43.5 N602 TA8246N----------------------------------------------------------4

(4) I2C Bus Control ------------------------------------------------------------------5

4.1 Menu Entry -------------------------------------------------5

4.2 Item Introduction -----------------------------------------------------------5

(5) IC Voltage --------------------------------------------------------------8

(6) Trouble shorting------------------------------------------------------------------9

Modelos:

TVS-2542M(SCL)

TVS-2545PF(SCL)

TVS-2944M(SCL)

TVS-2945PF(SCL)

TVS-3444M(SCL)

TVS-3445PF(SCL)

(1) General This chassis is consists of main IC TMPA8859, TA1343N, TC90L01N. TMPA8859 is an integrated circuit for a PAL/NTSC TV. A MCU and a TV signal processor (SP) are integraed in a 64-pin shrink DIP package. The MCU contains 8-bit CPU,ROM,RAM,I/O ports,timer/counters, A/D converters,an on-screen display controller,remoter control interfaces,IIC bus interfaces. The TV signal processor contains PIF,SIF,Video,multi-standard chroma,Sync,RGB processors.

(2) Frame Chart (see fig.1)

L

R

PIF/SIF R, G, B

VT/BL BH/RF AGC

+130V +22V +27V

110- 220V +13

fig.1(3) IC Function Introduction

3.1 N501 TMPA8859 Function: MCU and SPIconPINDescription

SDA21IIC bus serial data input/output

X-RAY2X-ray Output

KEY3Key input

DVSS4GND connection

RESET5Reset signal input

XOUT68 MHz oscillator connection

XIN78 MHz oscillator connection

TEST8GND connection

DVDD95V power supply

VVSS10GND connection

TV GND11GND terminal for Analog block

FBP IN12Input terminal for FBP

H.OUT13Horizontal driving pulse output

H.AFC114H AFC filter connection

V.SAW15Terminal to be connected capacitor to generate V saw signal

V.OUT16Vertical driving pulse output

H.Vcc(9V)17Vcc terminal for DEF circuit

Ys18Ys IN

Cb in19Input terminal for Cb signal

Y in20Input terminal for Y signal

Cr in21Input terminal for Cr signal

DIG GND22GND terminal for Digital block

C in23Input terminal for Chroma signal

V2 in24Input terminal for Video signal

DIG Vdd25Vcc terminal for Digital block

CW out26Output terminal for fsc wave signal

ABCL in27Input terminal for ABL/ACL control

EW out28Output terminal for east-west correction singal

IF Vvv(9V)29Vcc terminal for IF circuit

TV out 30Detected PIF signal output terminal

SIF out31Detected SIF signal output terminal

EHT in32

H.C0TT in33

DC NF34Terminal to be connected capacitor for DC Negative feedback

PIF PLL35Loop filter for PIF PLL connection

IF Vvv(5V)36Vcc terminal for IF circuit

REG FIL37Terminal to be connected capacitor for stabilizing internal bias

DE-EMP38Terminal to be connected capacitor for SIF Det De-Emphasis

IF AGC39IF AGC filter connection

IF GND40GND terminal for IF circuit

IF IN41Input terminals for IF signals

IF IN42Input terminals for IF signals

RF AGC43RF AGC control level output

YC Vcc44Vcc terminal for Y/C circuit

Vsm out45Output terminal for Vsm signal

Black DET46Terminal to be connected with Black Det filter for black stretch

APC Filter47Terminal to be connected with APC filter for Chroma demodulation

IK IN48Sense ACB cathode current input

RGB Vcc49Vcc terminal for RGB circuit

R OUT50Output terminal for R signal

G OUT51Output terminal for G signal

B OUT52Output terminal for B signal

TV GND53GND terminal for Analog block

A GND54GND connection

A VDD555V power supply

MUTE56

SDA157IIC bus serial data input/output

SCL158IIC bus serial clock input

PWM59

LED60

SCL261IIC bus serial clock input

SYNC62Horizontal sync signal input

REMOTE63Remote controller signal input

POWER64Power control (On=Hi. Off=L)

3.2 N001 TC90L01N Function: I2C bus control , Audio/Video switching IC

NamePinFunction

Lin TV1This pin is for input a left audio signal form the main demodulator in the TV

Vin TV2This pin is for input a composite video signal form the main demodulator in the TV

Rin TV3This pin is for input a right audio signal form the main demodulator in the TV

V/Yin V14This pin is for input a luminance signal or composite video signal from an external source(V1 channel)

LinV15This pin is for input a left audio signal from an external source(V1 channel)

CinS16This pin is for input a chroma signal from an external source(S1 channel)

RinV17This pin is for input a right audio signal from an external source(V1 channel)

VinV28This pin is for input a composite video signal from an external source(V2 channel)

LinV29This pin is for input a left audio signal from an external source(V2 channel)

ALC10This is an detect output pin of ALC(Auto Level Control)

RinV211This pin is for input a right audio signal from an external source(V2 channel)

Vcc12This is the power supply pin. Apply 9V to this pin.

SDA13This is an IIC bus data input/output pin.

SCL14This is an IIC bus clock input pin.

GND15This is the GND pin.

Rout TV16This pin is for output right audio signal.

Lout TV17This pin is for output left audio signal.

Yout18This pin is for output luminance signal.

BAND219This pin is for output band2 to control tuner.

Cout20This pin is for output chroma signal.

BAND121This pin is for output band1 to control tuner.

Vout22This pin is for output main channel composite video signal.

Rout Mon23This pin is for monitor-output right audio signal.

Lout Mon24This pin is for monitor-output left audio signal.

3.3 N301 TDA8172 Function: V-scan outputPINFUNCTION

1Inverting input

2Supply voltage

3Flyback generator

4Ground

5Output

6Output stage supply

7Non- Inverting input

3.4 N601 TA1343N Function:TV sound processor

NamePinFunction

Offset canceling filter1DC offset canceling filter for bass boost.

4-12-5Terminals for capacitors of the phase shift blocks.

Lch input6Audio input terminal.

GND7GND terminal.

Rch input8Audio input terminal.

Bias filter9Filter for noise rejection of the bias.

Bass LPF(R)10LPF for bass control circuits.

Treble HPF(R)11HPF for treble control circuits.

Wch output12Woofer audio output terminal.

Rch output13Right audio output terminal.

Treble HPF(L)14HPF for treble control circuits.

Bass LPF(L)15LPF for bass control circuits.

Lch output16Left audio output terminal.

Woofer LPF117LPF for bass boost circuit.



Vcc20This is the power supply pin. Apply 9V to this pin.

Volume filter21Smoothing filter for volume control

Woofer LPF22Smoothing filter for bass boost control

SCL23This is an IIC bus clock input pin.

SDA24This is an IIC bus data input/output pin.

3.5 N602 TA8246 Function: Audio power amplifier

NamePinFunction

NC1

IN22Audio signal input2.

Pre-GND3GND terminal.

IN14Audio signal input1.

MUTE.SW5Mute control terminal.

RF6Ripple filter terminal.

MUTE. T.C.7Mute control terminal.

OUT18Audio signal output1.

Vcc9This is the power supply pin

PW-GND10GND terminal.

NC11

OUT212Audio signal output2.

(4) I2C Bus Control

4.1 Menu EntryDos modos de servicio: S y D Para entrar al modo S, presione VOL- en el TV hasta 0, mantngalo presionado, y presione DISPLAY en el c/r.Para entrar al modo D, una vez dentro del modo S, seleccione la opcin VP60, debe tener el valor: 00, entonces presione VOL- en el TV y sin soltarlo, presione DISPLAY en el c/r. Para cambiar de canal u otro ajuste de usuario, sin salir del modo de servicio, presionar DISPLAY 4.2 Item introduction TMPA8859 BUS DATA NoSDitemComment

1SD1RCUTR CUTOFF20

2SD1GCUTG CUTOFF20

3SD1BCUTB CUTOFF20

4SD1GDRVG DRIVE40

5SD1BDRVB DRIVE40

6D1CNTXSUB CONTRAST MAX7F

7SD1BRTCSUB BRIGHT CEN50

8SD1COLCNTSC SUB COLOR CEN 40

9SD1TNTCSUB TINT CEN40

10SD1COLPPAL SUB COLOR CEN(difference)00

11D1COLSSECAM SUB COLOR CEN40

12SD1SCOLSUB COLOR CENTER for DVD07

13D1SCNTSUB CONTRAST0D

14D1CNTCSUB CONTRAST CEN30

15D1CNTNSUB CONTRAST MIN02

16D1BRTXSUB BRIGHT MAX 20

17D1BRTNSUB BRIGHT MIN 30

18D1COLXSUB COLOR MAX 3F

19D1COLNSUB COLOR MIN00

20D1TNTXSUB TINT MAX 3F

21D1TNTNSUB TINT MIN 3F

22D1ST3NTSC SHARP CEN (TV)28

23D1SV3NTSC SHARP CEN (AV)28

24D1ST4 OTHER SHARP CEN (TV)28

25D1SV4OTHER SHARP CEN (AV)28

26D1SVD SHARP CENTER in DVD28

27D1ASSHASYMMETRY-SHARPNESS04

28D1SHPXSUB SHARP MAX(difference)3F

29D1SHPNSUB SHARP MIN(difference)12

30D1TXCXUV COLOR MAX1F

31D1RGCNUV COLOR MIN1F

32D1ABLABL data35

33D1DCBSA part of video data14

34D1CLTMThe data when TV mode28

35D1CLVOThe data when AV mode 2F

36D1CLVD The data when DVD mode40

37D1DEF01

38D1AKB00

39D1R SNSR SENSE00

40D1G SNSG SENSE00

41D1B SNSB SENSE00

42SD1HPOS60Hz H-position0C

43SD1VP5050Hz V-position04

44SD1HIT60Hz Vertical size15

45D1HPS50Hz H-position(D)02

46D1VP6060Hz Vertical phase 02

47D1HITS50Hz Vertical sizeFF

48SD1VLIN60Hz V-LINEARITY0F

49D1VSCV-S CORRECTION07

50D1VLIS50Hz V-LINEARITY(D)FF

51D1DPC60Hz E-W PARABOLA0C

52D1DPCS50Hz E-W PARABOLA(dif)00

53D1KEY60Hz TRAPEZIUM21

54D1KEYS50Hz TRAPEZIUM(D)00

55D1WID60Hz PICTURE WIDTH1B

56D1WIDS50Hz PICTURE WIDTH(dif)00

57D1CNRTEW cornet corr08

58D1CNRBEW cornet corr 09

59D1VEHTV-COMPENSATI06

60D1HEHTH-COMPENSATI01

61D1VSSShift data of 50Hz/60Hz00

62D1BRTSSUB BRIGHT(D)00

63SD1RAGCRF AGC28

64D1HAFCHAFC GAIN09

65D1AGCCAGCC(Nouse)

66D1FLG0Flags for IF52

67D1FLG1FLAGS05

68D1REFPREF Pulse Position00

69D1STBY 00

70D1SVMSVM data 06

71D1BLK00

72D1VCENV Centering10

73D1HITL1HIT offset for zoom104

74D1HITL2HIT offset for zoom208

75D1HITL3HIT offset for zoom30C

76D1DPCL1DPC offset for zoom101



79D1MODMODE03

80D1UCOMChroma APC Setting60

81D1MODE3Video mute setting80

82D1NOISHAFC control01

83D1SYCT08

84D1VTST00

85D1PYNXH.SYNC MAX in normal condition28

86D1PYNNH.SYNC MIN in normal condition18

87D1PYXSH.SYNC MAX in search condition22

88D1PYNSH.SYNC MIN in search condition1E

89D1ONTM00

90D1NSHP10

91D1V01AVOLUME 1%09

92D1V25AVOLUME 25%24



95D1VMUTE2Half mute volume setting14

96D1WCTLAPRO mode data41

97D1SUR1MONO Surround MODE06

98D1SUR2STORE 1Surround MODE0C

99D1SUR3STORE2 Surround MODE0F

100D1BASCBASS Center40

101D1BASXBASS MAX72

102D1TRECTREBLE Center42

103D1BALCBALANCE Center40

104D1WOFCWOOFER Center40

105D1BAS1BASS data in MEMORY 1CB

106D1BAS2BASS data in MEMORY 23C

107D1BAS3BASS data in MEMORY 3CB

108D1TRE1TREBLE data in MEMORY 155

109D1TRE2TREBLE data in MEMORY 237

110D1TRE3TREBLE data in MEMORY 3A8

111D1WFL1Woofer data in MEMORY 1CB

112D1WFL2Woofer data in MEMORY 299

113D1WFL3Woofer data in MEMORY 3E4

114D1WON1WOOFER ON coefficient05

115D1WON2WOOFER ON coefficient09

116D1WOFFWOFFER out level when Woofer off00

117D1AUCON1Stereo/SAP noise thresholdAA

118D1AUCON2Level adjust setting02

119D1AUALI1For wideband expander00

120D1AUALI2For spectral expander00

121D1AUTIMTiming current alignment data00

122D1AUSTPAudio step01

123D1VPCTX-ray protection counter02

124D1TUNRSelect tuner00

125D1CCDOSD22

126D1CCDOSDF59

127D1OSDF65

128D1OSD2E

129D1PDOPT0PANDA OPTION0F1

130D1PDOPT1PANDA OPTION100

131D1WaittimeV-MUTE when POWER ON58

132D1CUR CENCENTER OF SCREEN OPENCA

133D1CUR STEPSTEP OF SCREEN OPEN02

134D1PWRSelf check data00

135D1BUSSelf check data00

136D1MEMSelf check data00

137D1OPTOptional setting9F

138D1OPTM1Optional settingA2

139D1OPTM2Optional setting00

140D1OPTM3Optional settingC3

141D1OPTM4Optional setting04

142D1CATVSEL00

Note: the bold date cannot be changed

(5) IC voltage

N507 TMPA8859

PIN12345678910111213

Voltage///052.42.305001.11.9

PIN14151617181920212223242526

Voltage6.64.24.79/2.52.52.502.52.53.3/

PIN27282930313233343536373839

Voltage4.94.695.11.84.132.32.452.24.44.2

PIN40414243444546474849505152

Voltage0004.52.72.71.92.6092.52.52.5

PIN535455565758596061626364

Voltage005/4.84.8///4.42.5/

N001 TC90L01PIN12345678910111213

Voltage4.54.54.54.54.54.54.54.54.554.59/

PIN1415161718192021222324

Voltage /04.54.54.5/4.5/4.54.54.5

N301 TDA8172

PIN1234567

Voltage 2.726.21.401426.52.7

N601 TA1343N

PIN12345678910111213

Voltage 4.54.54.54.54.54.504.55.74.54.54.54.5

PIN1415161718192021222324

Voltage 4.54.54.55.15.15.1901.5//

N602 TA8246N

PIN123456789101112

Voltage /2.102.12.47.40112211/11

(6). Trouble shorting T803Power supply outline6.1 No grating, no picture, no sound

General, these failures are produced by power sources, because of which refer to a wider area, so that can be divided them two conditions to explain: no B1 130 V and existing B1 130V.

(1) No B1 (130 V) voltage (voltage of network 220 V ac)

These failures may be caused by power supply switch.

(2) Existing B1 130 V

These failures may be caused by abnormal operation of horizontal scan, to confirm which can observe the filament of tube whether bright on. If determined horizontal scan in abnormal operation, look for the failure start from the horizontal drive stage. Search upward to TMPA8859 with method of checking DC voltage and waveform according to sequence: PIN13/H.OUT port( PIN17 power supply( V707/9V output.

6.2 Existing grating and no picture

6.3 Existing grating and picture, no sound

6.4 Cannot save channels

6.5 CPU non-operating

AUDIO POWER

TN8246H

Abnormal

Normal

Y

Check N501 V605 C601

Check N001

N

Y

Y

Y

N

Check N803 N501 G701

0

15V

Check (15V) voltage

Check N501

Check VD855 VD854 VD851 VD852 C851 C861 C863 C855

EMBED Word.Picture.8

Check N701 G701

Y

Check V701 VD701

Check N803 VD852

Check voltage at N501/PIN5(RESET)=5V

N

Y

N

Check voltage at PIN9 54 of N501 =5V

Check N501 V702

Check R863 and VD713

N

Check tuner

Check 33 V of voltage

Check SYNC waveform at V703 V704 N001/PIN22

Y

Check N501

N

N

Y

Check VT voltage of TUNER=0--30 V

Check SYNC waveform at N501/PIN62

Y

N

When searching automatically channels, observe whether can display picture

Check waveform at pin5 7 of N601

Check N602 R880

N

Check the audio signal of + pins of

two loudspeaker

Check N001

Check circuit between

PIN41~PIN42 of N501

*Whenever open or interconnect on the bus from CPU to E2PROM and main chip, no picture can occur.

Y

N

Check TVin waveform at N001/PIN2

Check N501

N

Y

Check N801 N802

Check V2in waveform existed at PIN24 of N501

Normal

Abnormal


Check N602 V603 V604 V604

Check the voltage of PIN29 36 44 49 of N501

Check OSD on screen

Check N501

Check V401 T401 T402

N

Check V707 V706 V705

Check VD852

Check voltage at 13 pin of TMPA8859 =1.9 V

Y

Y

N

Check voltage at 17 pin of TMPA8859 =9 V

Replace the parts of failure

Y

Check V708 b voltage

0V

Check C809,N804 at

condition of

short-circuit?

Check N804(5)

voltage

0V

300V

Check C809(+) voltage

0V

Check voltage+B

18

0

0.7V

Check R812 N804

1.5V

Rectifying and

Detection

B3

+21V

Audio

Power supply

12

14

Rectifying and

Detection

B1

+130V

H.OUT

Power supply

Rectifying and

Detection

B2

+27V

V.OUT Power supply

ON/OFF POWER

STR-G9656

CRT OSCILLLLATION

2SC3619 X 3

TMPA 8859

PIF, SIF, V/C/D

MCU 1CHIP

VM

V-OUT

TDA8172

DPC CIRCUIT

2SD880

H-OUT

2SD2539

SCAN TRANSFORMER

BSC29-3802-12R

TUNER

AV/TV SWITCH

TC90L01

AUDIO PRO.

TA1343N

N

Y

Check loudspeaker


5

_1142776177.doc

8859-puo manual de servicio lider 25 29 y 34 tmpa8859

Documents