JVC AV-16N8 Скачать руководство пользователя страница 22 | Manualshive

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2-4

No. 56094

AV-16N8

E C B

E

C

B

IN E OUT

1

N

1

N

1

N

OUT

E

IN

E

C

B

TOP VIEW

FRONT VIEW

TOP VIEW

BOTTOM VIEW

IC

CHIP IC

TOP VIEW

CHIP TR

FRONT VIEW

BOTTOM VIEW

TRANSISTOR

E C B

B

(G)

C

(D)

E

(S)

C

B

E

N

N

N

1

N

1

N

SEMICONDUCTOR SHAPES

CONTENTS

SEMICONDUCTOR SHAPES ........................................................... 2-4
BLOCK DIAGRAM ............................................................................ 2-5
CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM ............................................................................................... 2-7
CRT SOCKET PWB CIRCUIT DIAGRAM .............................................................................. 2-13

PATTERN DIAGRAMS

MAIN PWB PATTERN ............................................................................................................. 2-15
CRT SOCKET PWB PATTERN ............................................................................................... 2-17

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Содержание AV-16N8

Страница 1: ...4 OPERATING INSTRUCTIONS APPENDED 1 1 SPECIFIC SERVICE INSTRUCTIONS 4 SERVICE ADJUSTMENTS 10 STANDARD CIRCUIT DIAGRAM APPENDED 2 1 PARTS LIST 27 BASIC CHASSIS CL M AV 16N8 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN LTD No 56094 Sep 2000 SERVICE MANUAL COLOUR TELEVISION AV 16N8 VT ...

Страница 2: ...e the memory IC written with the initial data values 3 Power on Plug the power cord into the wall outlet and switch the power on 4 Check and setting of SYSTEM CONSTANT SET 1 Press the DISPLAY key and the PICTURE MODE key on the remote control unit simultaneously The SERVICE MENU screen will be displayed See Fig 1 2 In the SERVICE MENU press the DISPLAY key and PICTURE MODE key simultaneously Then ...

Страница 3: ...GE E V 12 TUNER MU 13 AMP TUNER YES 14 VNR NO SETTING OF SYSTEM CONSTANT SET Table 1 29 25 21 14 MULTI TRIPLE PAL 1 3 YES NO YES NO YES NO YES NO YES NO YES NO YES NO E E V MU MA YES NO YES NO Setting item Setting value Setting item Setting value SUB POWER ON BASS CENTER CHANNEL POSITION 1 POSITION BALANCE CENTER CHANNEL PRESET Refer to OPERATING INSTRUCTION OFF TIMER OFF VOLUME Appropriate sound ...

Страница 4: ...3 BRIGHT 4 CONT 5 COLOUR 6 TINT TV VIDEO 7 BLACK OFFSET R Y B Y 8 SHARP 9 TEXT RGB CONT 10 H CENTER 11 V HEIGHT 12 V LIN 13 V S CR 14 V CENTER 15 AMP T SHARP SERVICE MENU SETTING ITEMS Table 3 Service menu Setting item 3 VSM PRESET TINT BRIGHT STD SOFT COLOUR BRIGHT CONT SHARP Do not adjust Do not adjust ...

Страница 5: ...not shown in the adjustment items of this service adjustment 7 Preparation for adjustment presetting Unless otherwise specified in the adjustment items preset the following functions with the remote control unit BASIC OPERATION IN SERVICE MENU 1 TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the remote control unit 2 SERVICE MENU ITEMS With the SERVICE MENU various settings adjustmen...

Страница 6: ...T SUB MENU SCREEN Fig 2 SERVICE MENU BRIGHT SUB MENU 3 VSM PRESET a SELECT OPERATE DISP EXIT BRIGHT STD SOFT Setting item TINT COLOUR BRIGHT CONT SHARP 1 VCO 2 DELAY POINT 1 2 SELECT DISP EXIT IF SUB MENU 1 IF VCO CW MHz TOO HIGH ABOVE REFERENCE BELOW REFERENCE TOO LOW DISP EXIT DELAY POINT AGC TAKE OVER OPERATE DISP EXIT Setting item 1 CUTOFF R G B 2 DRIVE R B 3 BRIGHT 4 CONT 5 COLOUR 6 TINT TV V...

Страница 7: ...NU Key Adjust the setting value d DISPLAY Key When this is pressed twice you will return to the SERVICE MENU 2 2 V C and 3 VSM PRESET a 2 and 3 Keys Select 2 V C and 3 VSM PRESET b MENU a key Select setting items c MENU Key Adjust the setting values of the setting items Use the number keys on the remote control unit for setting of WHITE BALANCE and BLACK OFFSET For the setting refer to each item c...

Страница 8: ...s TOO HIGH displayed on the screen changes from blue to yellow Step 1 5 Then slowly turn the core of VCO CW TRANSF counterclock wise until the characters ABOVE REFERENCE changes from blue to yellow Step 2 6 Further slowly turn the core of VCO CW TRANSF until the colour of the characters BELOW REFERENCE changes from blue to yellow Step 3 7 Press the DISPLAY key three times to return to normal scree...

Страница 9: ...the SERVICE MENU 3 Select 2 DELAY POINT by pressing the 2 key on the remote control 4 Adjust the MENU or key until video noise disappears 5 Press the DISPLAY key three times to return to the normal screen 6 Turn to other channels and make sure that there are no irregu larities V C VIDEO CHROMA CIRCUIT ADJUSTMENT The setting adjustment using the remote control unit is made on the basis of the initi...

Страница 10: ...ingle horizontal line appears white 7 Turn the SCREEN VR to where the single horizontal line glows faintly 8 Press the 2 key to return to 1 CUTOFF screen 9 Press the DISPLAY key twice to return to the normal screen 1 Receive a black and white signal colour off 2 Select 2 V C from the SERVICE MENU 3 Select 2 DRIVE R B with MENU a key and set each value to initial setting value with 4 and 7 keys or ...

Страница 11: ...U or key 5 If the contrast is not the best with the initial set value make fine adjustment until you get the best contrast 6 Press the DISPLAY key twice to return to the normal screen Method of adjustment without measuring instrument PAL COLOUR 1 Receive a PAL broadcast 2 Select 2 V C from the SERVICE MENU 3 Select 5 COLOUR with the MENU a key 4 Set the initial setting value for PAL COLOUR with th...

Страница 12: ... or key 5 Connect the oscilloscope between TP 47G and TP E 6 Adjust PAL COLOUR to set the value A in the figure to 11V W G SECAM COLOUR 1 Receive a SECAM full field colour bar signal 75 white 2 Set the initial setting value of SECAM COLOUR with the MENU or key 3 Adjust SECAM COLOUR to set the value A in the figure to 10V W G NTSC 3 58 COLOUR 1 Receive a NTSC 3 58 full field colour bar signal 75 wh...

Страница 13: ...ke fine adjustment until you get the best tint 6 Press the DISPLAY key twice to return to the normal screen NTSC 4 43 COLOUR When adjustment is done for NTSC 3 58 TINT appropriate val ues are automatically set for NTSC 4 43 TINT Method of adjustment using measuring instrument NTSC 3 58 TINT 1 Receive a NTSC 3 58 colour bar signal full field colour bar 75 white 2 Select 2 V C from the SERVICE MENU ...

Страница 14: ...y twice to return to the normal screen Method of adjustment using measuring instrument 1 Receive a SECAM COLOUR bar signal full field colour bar 75 white 2 Select 2 V C from the SERVICE MENU 3 Select 7 BLACK OFFSET with the a key 4 Connect the oscilloscope between pin 35 of IC 201 and TP E 5 By using 4 and 7 keys on the remote control unit adjust the BLACK OFFSET R Y so that the waveform changes f...

Страница 15: ...on the kind of signals vertical frequency 50Hz 60Hz When adjusted in 50Hz mode 60Hz mode will be automatically set The setting adjustment using the remote control unit is made on the basis of the initial setting values The setting values which adjust the screen to the optimum condition can be different from the initial setting values SUB MENU 2 V C 10 H CENTER 14 V CENTER Initial setting value Set...

Страница 16: ...orated remark ably perform the following steps 10 Receive a cross hatch signal 11 Select 13 V S CR with the MENU a key 12 Set the initial setting value of 13 V S CR with the MENU key 13 Select 12 V LIN with the MENU a key 14 Set the initial setting value of 12 V LIN with the MENU key 15 Adjust V S CR and V LIN so that the spaces of each line on TOP CENTER and BOTTOM become uniform 16 Make sure tha...

Страница 17: ...own in the table 4 Respectively select the VSM PRESET mode for SOFT and STANDARD and make similar adjustment as in 3 above 5 Press the DISPLAY key twice to return to the normal screen VSM preset VSM mode BRIGHT STANDARD SOFT Setting item TINT 15 b b b b b b b b b b SETTING VALUE COLOUR 15 b b b b b b b b b b SETTING VALUE BRIGHT 15 b b b b b b b b b b SETTING VALUE CONT 30 24 17 SETTING VALUE SHAR...

Страница 18: ...en raster 5 Move the deflection yoke backward 6 Bring the long lug of the purity magnets on the short lug and position them horizontally Fig 2 7 Adjust the gap between two lugs so that the green raster will come into the center of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top ...

Страница 19: ...ta red blue 3 Using 6 pole convergence magnets overlap the magenta red blue and green lines in the center of the screen to turn them to white 4 Repeat 2 and 3 above and make best convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat...

Страница 20: ...ediately Indication by the LED Item ON TIMER LED flashing intervals Priority of detection Over current protection At 0 25 second intervals 1 CRT NECK protection At 0 5 second intervals 2 Note In case of the item is indicated Check item Over current protection CRT NECK protection Details of detection An over current on the low B line is detected Operation of CRT NECK protec tion circuit Method of d...

Страница 21: ...age V Electrolytic Capacitors 47 50 Example Capacitance value µF withstand voltage V Type No indication Ceramic capacitor MY Mylar capacitor MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit µH Others As specified 4 Power Supply B1 ...

Страница 22: ...IP IC TOP VIEW CHIP TR FRONT VIEW BOTTOM VIEW TRANSISTOR E C B B G C D E S C B E N N N 1 N 1 N SEMICONDUCTOR SHAPES CONTENTS SEMICONDUCTOR SHAPES 2 4 BLOCK DIAGRAM 2 5 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 2 7 CRT SOCKET PWB CIRCUIT DIAGRAM 2 13 PATTERN DIAGRAMS MAIN PWB PATTERN 2 15 CRT SOCKET PWB PATTERN 2 17 ...

Страница 23: ...8 13 LOUT ROUT SP02 L SP01 R ECO SENSOR REMOCON RECEIVER 13 30 56 V OUT V 1N 1 4 53 14 13 12 47 TV IN 3 58 OTH ENABLE DATA CLOCK LOCK SCL SDA 12 RF IN REAR IN REAR OUT VIDEO VIDEO L R RF IN L IN R IN 5 10 11 8 7 LOUT ROUT 1 19 3 5 LIN RIN LOUT ROUT SCL SDA IC602 VOL TONE 11 6 17 16 LIN RIN LOUT ROUT R G B Q971 LOW B SW IC941 ERROR AMP Q522 T522 HVT FBT H OUT TP 91 B1 H OUT H OUT IC421 CRT SOCKET P...

Страница 24: ...No 56094 2 7 No 56094 2 8 AV 16N8 AV 16N8 SCL 1287A CK AV 16N8 VT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 3 ...

Страница 25: ...No 56094 No 56094 2 6 2 5 AV 16N8 AV 16N8 2 10 2 9 FOR CRT SOCKET PWB FOR CRT SOCKET PWB AV 16N8 VT SCL 1287A CK AV 16N8 VT N PWB CIRCUIT DIAGRAM 2 3 ...

Страница 26: ...No 56094 2 7 No 56094 2 8 AV 16N8 AV 16N8 2 12 2 11 287A CK AV 16N8 VT H DY V DY DEF YOKE INCLUDED IN CRT DY01 CIRCUIT DIAGRAM 3 3 ...

Страница 27: ...No 56094 No 56094 2 6 2 5 AV 16N8 AV 16N8 2 14 2 13 SOCKET PWB CIRCUIT DIAGRAM SCL 3013A CK AV 16N8 VT FOR MAIN PWB FOR MAIN PWB ...

Страница 28: ...ICTURE BOOSTER button p 17 MUTING button p 16 Number buttons p 12 button p 12 OFF TIMER button p 18 RM C218 REMOTE CONTROL UNIT DISPLAY LIVE SPATIAL MENU POWER CHANNEL VOLUME SYSTEM COLOUR OFF TIMER TV VIDEO CHANNEL SCAN ECO SENSOR SOUND MUTING RETURN 1 2 3 4 5 6 7 8 0 9 PICTURE MODE BOOSTER PICTURE 0 7 8 9 6 5 4 3 2 1 3 1 MENU buttons p 24 MENU button MENU buttons 2 CHANNEL buttons p 13 3 VOLUME ...

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