Sony Trinitron KV-J21MF2J Service Manual Download Page 14

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(2) Schematic Diagrams of C and VM Boards

1000V

200V

151.4

8.3

8.9

8.8

151.0

147.8

7.1

159.9

8.4

159.8

156.2

7.1

8.9

151.1

8.3

145.1

151.1

7.5

8.4

2.4

1.8

2.1

8.4

1.6

2.4

8.4

1.8

G1-1

G1-2

G1-3

RCV

R738

R739

R740

C708

C709

C710

C701

RV701

R734

R703

L701

CN701

L702

L704

CN704

D701

D702

D703

L705

L703

L707

CN703

R760

R761

R762

R725

R726

R727

C736

C737

C746

R755

R756

R729

R757

R730

C703

R710

R712

R701

R702

C716

C702

C714

R711

R713

R715

R731

C717

R714

L706

R733

C713

R732

R723

J701

R719

R721

R728

R705

C704

C712

JW701

R720

R722

R724

Q706

Q709

Q705

Q708

Q707

Q704

D707

D708

D709

D712

D711

D710

Q710

Q711

Q712

D716

D717

0.0047

2kV

1000p

4.7

250V

470p

680p

100

47p

470p

WHT

:MINI

WHT

:S-MICRO

TAB(CONTACT)

1SS119

SOCKET

22µH

:EL0607

JW(5)

JW(5mm)

JW(5)

JW(5mm)

JW(5)

JW(5mm)

JW(15MM)

680k
1/2W

100k
1/2W

6.8k

:RS

6.8k
1/2W

6.8k

:RS

6.8k
1/2W

6.8k

:RS

6.8k
1/2W

300k

:RN

680k

:RN

270k

:RN

1.5k

150

180

100

1/2W

100

1.2k

JW(5MM)

2.2M
1/2W

680p

:FPRD

0.022

400V

:PP

5MM

2.2

:RS

2SC2611

R AMP

2SA10910

R OUT

2SC2611

G AMP

2SA10910

G OUT

2SA10910

B OUT

2SC2611

B AMP

1SS119

PROTECT

1SS119

PROTECT

1SS119

PROTECT

1SS119

PROTECT

1SS119

PROTECT

1SS119

PROTECT

2SC2785
B DRIVE

2SC2785
G DRIVE

2SC2785
R DRIVE

1SS119

PROTECT

RD9.1ESB

SLICE

KR G1 G4 HV

1000V

200V

FOCUS

H.STAT

GND

TO A BOARD

GND

TO A BOARD

CN103

B IN

G IN

R IN

T0 A BOARD FBT

CN851

V901

PICTURE

TUBE

A51JUH71X

[RGB OUT]

Schematic diagram

(a)

board

Schematic diagrams

(c)

(vm)

boards

PRINTED WIRING BOARD

– C BOARD –

[RGB OUT]

3.9

9.1

3.2

7.8

8.4

4.6

5.5

1.5

0.9

1.8

5.4

1.1

4.7

9.4

0.7

1.1

0.6

115

1.2

1.1

1.9

5.9

2.5

1.8

Q1777

C1768

C1773

C1770

C1778

C1779

C1761

R1784

R1762

R1781

R1791

R1789

R1779

R1766

R1736

R1787

R1772

R1776

R1770

R1786

R1777

R1785

R1765

R1775

D1761

D1763

D1764

R1812

Q1722

Q1723

C1769

C1763

C1772

C1775

C1771

C1776

C1780

R1774

R1783

R1778

C1751

R1780

R1723

R1725

R1724

R1728

R1768

R1727

CN1701

C1764

R1790

R1764

L1762

L1761

R1788

R1769

R1782

R1851

L1721

L1723

R1753

Q1762

Q1764

Q1767

Q1766

Q1761

Q1756

Q1763

D1767

D1768

Q1765

R1721

R1722

C1722

L1722

C1724

R1732

0.01
:MPS

0.0047

500V

160V

100
16V

0.047

200V

:PT

2.2

160V

0.1

200V

:PT

100
16V

0.047

200V

:PT

100
16V

0.001

:PT

0.001

:PT

BLK

:S-MICRO

1SS119

150µH

:FLR50

6.8µH

:FLR50

47µH

:FLR50

39µH

:FLR50

2SC3311A

2SC2611

DRIVE SW

150

390

3.3k

10k

1.5k

27k

220

1/2W

:FPRD

560

:FPRD

1.2k

2.2k

1.8

:FPRD

33k

18k

150

:RS

:FPRD

18k

56k

12k

560

1.2k

270

1.8

:FPRD

JW(5MM)

100

:FPRD

33k

8.2k

1.5k

470

120

:RS

330

4.7k

2SA1309A

SLICE AMP

2SC3311A

CORING AMP

2SC3733-T

VM AMP

2SC3311A

VM AMP

2SC3311A

VM AMP

2SC3311A

AMP

2SA1837

VM DRIVE1

MTZJ-39B

DC BIAS

MTZJ-39B

DC BIAS

2SC4793

VM DRIVE2

560

390

560p

330µH

:FLR50

27p

NECK ASSY

VM MUTE

GND

VIDEO

GND

(1)

(2)

(3)

TO A BOARD

(1)CN609

(2)CN102

(3)CN111

(VM OUT)

10µ

– VM BOARD –

(vm)

[VM OUT]

C BOARD WAVEFORMS

LekSound&Vision'50

Summary of Contents for Trinitron KV-J21MF2J

Page 1: ...MODEL COMMANDER DEST CHASSIS NO MODEL COMMANDER DEST CHASSIS NO CHASSIS BG 1S SERVICE MANUAL TRINITRON COLOR TV LekSound Vision 50 LekSound Vision 50 LekSound Vision 50 ...

Page 2: ...gh impedance Outputs A earphone jack mini jack 2 headphones jack Ú monitor output jacks phono jacks D video 1 Vp p 75 ohms audio 500 mVrms Picture tube 21in Tube size cm 54 Measured diagonally Screen size cm 51 Measured diagonally Dimensions w h d mm 610 470 474 Mass kg 22 CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS CRT SHIELD OR CARBON PAINTED ON THE...

Page 3: ...ION 14 5 CIRCUIT ADJUSTMENTS 5 1 Adjustments with Commander 15 5 2 Adjustment Method 16 5 3 A Board Adjustment after IC003 Memory Replacement 20 5 4 Picture Distortion Adjustment 20 Section Title Page Section Title Page 6 DIAGRAMS 6 1 Block Diagrams 21 6 2 Circuit Boards Location 23 6 3 Schematic Diagrams and Printed Wiring Boards 23 1 Schematic Diagram of A Board 29 2 Schematic Diagrams of C and ...

Page 4: ...rom the AC outlet and then plug into the AC outlet again 2 Turn the power switch ON and set to Service Mode 3 Call the adjusted items again to confirm adjustments were made SERVICE MUTING 1 F DATA RDR Adjustment Item 09 Item number WRITE 1 F RDR 09 0 Executes the writing Green 2 WHITE BALANCE ADJUSTMENTS 1 Set to Service Mode 2 Input an entire white signal 3 Set the PICTURE to maximum 4 Select RDR...

Page 5: ...ncy responding to each failed device is shown below SECTION 4 SELF DIAGNOSIS FUNCTION Board name Ref No Device Flickering Frequency A Board IC003 NONVOLATILE MEMORY ST24C04FB6 1 A Board IC300 Y C JUNGLE TDA8375A 3 All the devices are checked one after another from the left of the table If an error is found the responding LED will start flickering So if more than 1 device have failed only the one o...

Page 6: ...r control goes to the standard state 5 Service data initialization Be sure not to use usually 2 Write 50Hz adjustment data to 60Hz or viceversa The screen display is 1 4 Select the adjustment item 3 6 Raise lower the data MUTING Writes Executes the writing SERVICE Mode 08 Data HSF 50 Depends on the signals PAL SECAM 50 NTSC 60 Adjustment item 00 Mode Item 00 V3 2C 052S OEM CODE German A2 Stereo So...

Page 7: ... will change back to SERVICE 2nd line disappear when written 0C VSF 08 00 V3 2C 052S 00 V3 2C 052S Blank 5 2 ADJUSTMENT METHOD Item Number 08 This explanation uses V SHIFT as an example 1 Select 08 V SHIFT with the 1 and 4 buttons 2 Raise lower the data with the 3 and 6 buttons 3 Select the optimum state The standard is 0F for PAL reception 4 Write with the MUTING button 5 Execute the writing with...

Page 8: ...ideo 01 03 Sub Sharpness 19 SC1 1F 50 60Hz 26 29 Sub Color Lower 1A SC2 0B 50 60Hz 0C 0D Sub Color Higher 1B AIP 40 3F Adjustment IF PLL 1C VZM 20 19 Vertical Zoom 1D WST 15 W G Stereo Threshold 1E WBT EA W G Bilingual Threshold 1F WLL 05 W G Monaural Threshold 20 ACG 1 AGC Switch auto constant 21 CDB 28 AGC Gain at Constant Mode 22 FGP 1B FM Prescale for B G I D K 23 FMP 32 FM Prescale for M 24 F...

Page 9: ...t item table are reference values therefore it is different for every model Item Adj Initial Note for Different Standard Data Function Device No Item Data Data 39 OSH 0A OSD H Position 3A DKS 1 0 D K Stereo enable disable 3B MUT 0 Muting on off at No Sync 3C ABL 0 Bright ABL Switch 3D SCM 0 SECAM Trap active inactive 3E FBT 1 FBT L S C M strict plain 3F OP0 2F 28 2199 2F J21 Optional Flags 0 see b...

Page 10: ...fective if set to 1 3B OP1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Item HDEV 1 V Curve XTAL SEL SECAM 2nd Lang Initial data 0 0 0 0 1 1 1 1 XTAL SEL 0 0 only 4 43 XTAL 0 1 only 3 58 XTAL 1 0 not used 1 1 both 4 43 and 3 58 XTAL 1 V Curve for monaural model 1 using common volume curve for every mode and every TV system 0 another volume curve available for video mode and M system HDEV 1 High...

Page 11: ... well adjusted give them fine adjustment Write the data per each item number MUTING 4 Select item numbers 3E OP0 3F OP1 and 40 OP2 and respectively set the bit per model with command buttons 3 and 6 5 Press commander buttons 8 and Test Normal to return to the data that was set on the shipment from the factory Cancel Service Mode 00 HSF H SHIFT 01 HSZ H SIZE 02 PAP PIN AMPLITUDE 03 CNP CORNER PIN 0...

Page 12: ...ILTER VM VIDEO CN1701 VM AMP Q1761 SLICE AMP Q1762 SHIFT LEVEL Q1756 VM MUTE 5 VM MUTE SLICE CORRECTING AMP Q1764 D1763 1764 VM AMP Q1766 VM BUFFER Q1767 Q1763 1765 VM DRIVE E VM VM VM OUT ROTATION V PIN DF CIRCUIT VM NECK ASSY 9V REG 9V IC521 S906 KV 2199M5J ONLY 9V 4 L IN 1 R IN Note The component identified by shading and mark are critical for safety Replace only with part number specified 6 2 ...

Page 13: ...0V PT 0 001 B CHIP 220p 500V B 1 330p 2kV B 0 0082 200V PT 0 001 500V B 0 012 1 2kV PP 10 160V 1000p 2kV 0 1 200V PT 0 01 B CHIP 0 01 200V PT 470 25V 0 0047 2kV B 0 001 500V B 470 25V 0 001 500V B 0 033 MPS 470p 500V B 47 100V 0 068 100V MPS 680p B CHIP 0 01 100V PT 470p CHIP 470p CHIP 100 16V 100 16V 100 16V 1 100 16V 100 16V 100 16V 220 16V 5 5MHz 4P GRY S MICRO 6P S MICRO 2P YEL S MICRO 2P WHT ...

Page 14: ...2 3 4 5 6 7 8 9 10 11 H KG G2 CV KR G1 G4 HV KB 1000V 200V FOCUS G2 H STAT C FV GND GND H1 TO A BOARD IK GND TO A BOARD CN103 9V B IN G IN R IN T0 A BOARD FBT CN851 V901 PICTURE TUBE A51JUH71X RGB OUT Schematic diagram H H H H H a board Schematic diagrams c vm boards G G G G G PRINTED WIRING BOARD C BOARD C RGB OUT 9V 3 9 9 1 3 2 7 8 8 4 4 6 5 5 1 5 0 9 1 8 5 4 1 1 4 7 9 4 0 0 7 0 1 1 0 6 59 59 11...

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