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Panasonic M-900 Series Service Manual

Crt data display
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erv1ce
Model
M-9004NA , M9009NA
M-9001NA, M-9009A
Direct Drive Input
Model
M-C9004N, M-C9001N
Compsite Video Input
GENERAL INFORMATIONS ........................................ .
CRT DATA DISPLAY SPECIFICATIONS ............................... .
TIMING CHART ................................................ .
CONNECTOR WIRING ............................................ .
DIMENSION ................................ ................... .
BLOCK DIAGRAM .............................................. .
CONTROL DESCRIPTION ......................................... .
ALIGNMENT PROCEDURE ........................................ .
CAUTION FOR SERVICING ........................................ .
SCHEMATIC DIAGRAMS .......................................... .
TROUBLE SHOOTING HINTS .................. . .................... .
REPLACEMENT PARTS LIST ....................................... .
n
Matsushita Electric
■
MODEL M-900 X X X Series
Chassis Family No. 9Y08
MODEL M-1200 X X X Series
Chassis Family No. 12 YOS
Model
M-K12004NB, M-K12001NB
Direct Drive Input Kit Type

TABLE OF CONTENTS

1
1111
CRT Data Display
Chassis No. YOSA
Chassis No. YOS
Model
M-12004NB
Direct Drive Input
Model
M-C12004N, M-C12001N
M-C12009N
Compsite Video l nput
Model
M-12021PB, M-12021NB
M-12041NB
H.OSC Interna! Type
1
2
3
5
6
7
11
12
13
14
16
16
17
18
24
25
37

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Summary of Contents for Panasonic M-900 Series

  • Page 1: Table Of Contents

    erv1ce ■ CRT Data Display MODEL M-900 X X X Series Chassis No. YOSA Chassis Family No. 9Y08 MODEL M-1200 X X X Series Chassis No. YOS Chassis Family No. 12 YOS Model Model Model M-9004NA , M9009NA M-K12004NB, M-K12001NB M-12004NB Direct Drive Input Kit Type Direct Drive Input...

  • Page 2: Safety Precautions

    1-6 IMP.LOSION PROTECTION especially in the high voltage circuit. lf a short cir­ cuit is found, replace all parts which have been All Panasonic picture tu bes are equipped with an integral overheated. implosion protection system, but care should be ta ken 1-3-3 All the protective devices must be reinstalled per to avoid damage and scratching during installation.

  • Page 3: General Informations

    M-900 X X X Series M-1200 X X X Series -----GENERAL INFORMATIONS------ This manual contains inforination of the standard model Chassis is fully equipped with ICs: designed as a data display monitor for M-900xxx Series and Vertical deflection M-1200xxx Series. H.P.C.

  • Page 4: Crt Data Display Specifications

    -900 X X X Ser-ies -1200 X X X Ser-ies ----CRT DATA DISPLAY SPECIFICATIONS--- S EPARATE TYPE MODEL ELECTRICAL CHARACTERISTICS 9" M-9001NA M-9004NA 12" M-12004NB M-12021PB 12" M-12041NB M-9009NA M-9009A M-12021NB M-K12001NB M-K12004NB Power Requirements: DC12V 1.0A max. DC12V 1.3A max. DC12V 1.4A max.
  • Page 5 M-900 x: X X Series M-1200 X x X Series COMPOSITE TYPE MODEL ELECTRICAL CHARACTERISTICS 9" M-C9004N M-C9001N 12" M-C12001N M-C12004N M-C12009N Power Requirements: DC 12V 1.0A max. DC 12V 1.3A max. Signal Input: 0 . 5 ~ 2 . 0 Vp-p/Composite 0.5 ~ 2.0Vp-p/Composite Signal Level Amplitude 1 Vp-p Nominal...

  • Page 6: Timing Chart

    M-900 X X X Series M-1200 X X X Series -------TIMING CHART------- Direct Drive Input type M-9001 NA, M-9004NA, M-9009NA, M-9009A M-12004NA, M-12004NB, M-K12004NB H.OSC Interna! type M-12021PB, M-12021NB Vertical Sync Timing Horizontal Sync Timing LowO + 0.4 Low O + 0 .4 -0.0V 10.2sosµs -0.0V...

  • Page 7: Connector Wiring

    M-900 >< x x Series M-1200 X x x Series -- -- --CONNECTOR WIRING------ CONNECTOR TYPE [A] Model M-9004NA, M-9001NA, M-9009NA, M-9009A H . SYNC -------, +VB (+12V DC) ------, V IDEO IN ----­ BRIGHTNESS CONTROL V . SYN C -..---. SIGNAL GROUND ----.

  • Page 10: Dimension

    M-900 X X X Series M-1200 X X X Senes ■ x x x MODEL M-1200 Series ±0 . 2 L ± 5 ±0 .1 HC ± 2 .s T Y P C RTTI L T ° 8.99 228.3 4.81 122.1 3.95 100.4 2.30 58.4 10.84 275.4...
  • Page 11 M-900 X X X Ser-ies M-1200 X X X Ser-ies .39 ) (1 0) + -$- -4-- -$- + ♦ 0.51 3 . 0 7 T Y P. 6 _ i 4 ± 0. 04 1 5 6 :!: l 7 8 TY P.

  • Page 12: Block Diagram

    -9 00 X X X Ser-ies -1200 X X X Ser-ies -- -- -- -BL OCK DIAG RAM -- -- -- - Models M-9001 NA, M-9004NA, M-9009A, M-9009A, M-12004NB, M-K 12004NB, M-K 12001 NB ----- ----- ----- - --.! Video Out Vertical Deflection Sync, lnv.

  • Page 13: Monitor Circuit Board Detail Component Location

    --- MONIT OR CIRCU IT BOARD DETA L COM PON ENT LOC ATIO N- - This photograph explains model M-12004NB. However it can be applied to other models as the basic chassis is commonly used. 12 inch ---- CRT External Conductive - --- coating (aquadac) '--- -- Anode...

  • Page 14: Control Description

    M-900 X X X Series M-1200 X X X Series --- - --CONTROL DESCRIPTION- - ---- -----Geometrie Positioning Magnets (4) Image Tilt Adjustment- --- ---, ----Centering Magnets V R 12 Pedestal Level ____ _:.; VR11 Subcent------' VR33 V. Lin - ------i - - - -VR64 Focus �---VR67 Sub-Bright VR32...

  • Page 15: Alignment Procedure

    M-900 X X X Series M-1200 >< X X Series -----ALIGNMENT PROCEDURE- --- -- PREPARATION • Vertical Hold Adjustment 1. Connect the 10-Pin connecter from the proper logic to Checking of height, width and bright should be performed more than 30 minutes after power is appl ied. the defined input signal.
  • Page 16 -900 x X X Series -1200 X X X Series • Horizontal width Adjustment • Focus Control Adjustment Ad just the horizontal width coil ( L403) to set the proper Adjust (VR64) until optimum focus is seen on the ch arac­ width of the active character area as shown in Fig.

  • Page 17: Preassembly Inspection And Handling Instructions

    • Correcting Magnet of Geometrie Distortion (4i • Adjustment of CRT angle ° Adjust each "Distortion Correcting Magnet" until the active CRT angle has been adjusted at 0 prior to shipment, but it character area is adjusted to the proper shape as shown in can be changed at need as shown in the figure below.

  • Page 18: Monitor Circuit Board-Solder View (Tnp81896)

    IC42 IC41 IC31 0.9V 0.2V • 0.2V 4.3V 3.5V 3.0V 10.6V 6.4V 0.5V 11.3V 11.2V ; 9.3V 0.2V 0.BV 8.3V 0.4V 6.3V 0.4V ·3.3V 4.3V 4.3V 5.2V 6 11.2V 2.BV 1.6V 0.9V 3.5V 4.3V 0.3V 6.3V 12 11.BV 3.3V 0.0. CD CD -;;;...

  • Page 19: Schematic Diagrams

    9" CRT 240AK84N (M-9004NA ) 240AKB31N (M-9001NA) 240AK839N (M-9009NA) 240AM B 39MD (M-9009A) l B type 1 -�-.. Mm IOOK !Blypel IAfYPOI) 811"1'-VR cu,_r� !:::, FUSE 21> n±- · A60l ••o )> Rl71 Rl70 )> n1- - JU1 .. '" Rl818 )>...
  • Page 21 El==: t J J. fT1--, IOOK 1B typel 1 Atype 9rlglltnnt VR Supplycom1111:111M T,/, 40V p-p ··· CBty!)eJIAtyp•I c:w,ro..,. Supply 5Vp·p J: . 0,.,,- , Sync signal c::m:::= " M-12004NB M-K12004NB .!i.FVSE2A. 310JLB4N � ..M-K12001NB 310JLB31N "306 I'.) � "...
  • Page 22 TNP81894-X BRIGHT VRI � lrp-p CUSTOMER SUPf'I.Y ;r------c M-C12004N 310JLB4N (") ' " "' M-C12009N VIDEC 310RKB39N -.- cc M-C12001N 310JLB31N SIGNAi C30l Ni - · r � 11111 1 · - · V.HOi � � � V p-p � [!!JJjO !::, L40o1 �! 11443A...
  • Page 23 M-900 X X X Se..-ies M-1200 X X X Series MODEL M-12021PB/M-12021NB �i· 1 SOii i--=-i "' L.., ,011 �! L.., E� i--?;--. -22-...
  • Page 24 MODEL M-12041NB '" ,111 �;; H•\ 1011 � ..� � ..> •• � �� w� i----i-- )IOL IUII >ll"t >IOI -23-...

  • Page 26: Trouble Shooting Hints

    M-900 X X X Series M-1200X X XSei-ies -----TROUBLE SHOOTING HINTS----- Separate type model (M-9004NA, M-9001NA, M-9009NA, M-9009A, M-K12001NB, M-12004NB, M-K12004NB) Zero or Check signal level at connector Trouble in logic or contrast control. Pin #8 Normal Check CRT Display Check CRT Heater red? +B (12V) line or CRT Heater open Normal...
  • Page 27 Pin#6 s ignal level Zero or Trouble in logic Check Connector Pin # 7 voltage level Check DC voltage with 0V or no load Normal Normal Check CRT Display 0V or low J Trouble in External Power Supply Open Check DC Fuse 2 (A) Replace Fuse Normal Open...
  • Page 30 -900 X X X Series -1200 X X X Series Composite type model (M-C9004N M-C12004N, M-C9001N, M-C12001N, M-C12009N) 1 No Character No contrast ras � � - K _____ l____ Zero or Check signal level at Trouble in logic connector pin #8 Normal Check CRT display Check base voltage and...
  • Page 31 M-90 0 X X x Seri � s M-12 00X X XSen es ------- Check signal level at connector Zero or Trouble in logic Pin #8 Normal Check collector voltage and signal Abnormal Trouble in010,011,013 I level of 010 Normal Check Pin #1 signal level and voltage Abnormal Trouble in 019...
  • Page 32 M- 9 00 X X X Series M- 12 00 X X X Serie s Check Pin #3 signal level and voltage Zero or Trouble in the peripreral of IC41 circuit of C401 Normal Check Pin #4, #9, DC voltage level of Replace I C41 IC41 Confirm, should be varied when turn...
  • Page 33 M-900 >< X x Series M-1200 X X XSeries H.OSC Interna! type model (M-12021PB, M-12021NB, M-12041NB) 1-- � - ----� No character (Vid :::::] raster OK '------- Check signal level at connector Zerö or Trouble in logic or contrast Pin #8 control.
  • Page 34 -9 00 x X x Series -1200X X X Series No Ra ster _ ., Pin #7 voltage level 1-- - ----= Check DC voltage with Check Connec to 0 =--- V =----= o c.:. r Norm al OV or low Check CRT Display uble in External P wer Supply...
  • Page 35 M-900 X X X Series M-1200 X X X Series No vertical sync Abnor mal Check Pin #9 signal level and timing Trouble in logic of connector Nor mal Check Verticalty of CRT Display Adjust Vertical hold No vertical sync Abnormal Check Pin #1 signal level of IC31 Trouble in Q17 or R301, C302, C303...
  • Page 36 M-900 X X X Series M-1200 X X X Series No horizontal sync Abnormal Check Signal timing at connector Pin 6 Trouble in logic side Normal Abnormal Check Collector voltage level of O 18 Trouble in 018 Normal Abnormal Trouble in DC 12V Check DC voltage of IC42 Pin 14 supply line or IC42 ---------------<...
  • Page 37 M-900 x >< X Series M-1200 >< X x Series No vert1cal Sweep IC31 are cosists V.osc V.amp and V output therefore, may be IC internal problem Check Pin 2, 4, 5, 8.signal level of IC31 Abnormal Trouble in IC31 (Replace 31) and Pin 12, DC voltage of +12V line Normal Check deflection coil...

  • Page 38: Replacement Parts List

    -900 x x x Series -1200X X XSeries - ----REPLACEMENT PARTS LIST--- - - tmportant Safety Notice Components identified by the international symbol have special characteristics important for safety. When replacing any of these components use only manufacturer's specified parts. :!:f8% Note: 1.
  • Page 39 M-900 X X X Series M-1200 X X X Series Description Part No. Description Part No. Ref. No. Ref.No. TUX80850-2 Bottom Plate Bracket ( Left) Model No. M-9001 NA/M-9009N A TBM80760 Model Plate (M-C12001 N only) TBM80788 Model Plate (M-C12009N only) Right Side Plate W/Label TUW81967 TBM80177...
  • Page 40 -900 X X X Ser-ies -1200X X XSer-ies Descrip tion Descriptio n Part No. Part No. Ref. No. Ref. No. D43A TVSBB4A Dumper SCREWS & WASHERS & D43B TVSBB4A Dumper & XTV3+15BFN Screw (P.C. Board) TVSBB10 Focus XTV3+8BFN Screw (Bracket) Diode TVSBB4A Screw (CRT)
  • Page 41 M-900 X X X Series M-1200>< X XSeries Part No. Description Part No. Description Ref. No . Ref. No. R172 ±5% ¼W 2SC828AR Horiz. lnv. (P, O, R) ERD25T J562 Carbon 5.6K.11 R301 ERD25T J392 Carbon 3.9K .11 ±5% ¼W 2SC1318R Horiz.
  • Page 42 -900 X X x Series -1200 X X XSeries Descrip tion Part No. Descriptio n Part No. Ref. No. Ref.No. s2o n ±5% R151 ERG2ANJ821 Metal Oxide Model No. M-C12001N/M-C12004N/M-C12009N R161B ERD25TJ102 Carbon 1 K n ±5% ¼W TNP81894-22 MAIN P.C. BOARD 10K n ±5% ¼W...
  • Page 43 M-900 X X X Series M-1200 X X X Series Description Part No. Description Part No. Ref. No. Ref. No. 10 µ F R151 ERG2ANJ821 Meta! Oxide 82051 C307 ECEA1CS100 Electrolytic 6.3V 33µF R161A ERD25T J151 Carbon 15051 ¼W C308 ECEAOJS330 Electrolytic 220µ...
  • Page 44 M-900 X X X Ser-ies M-1200 X X X Ser-ies Description Part No. Description Part No. Ref. No. Ref. No. 10KO ¼W R170 ERD25TJ103 Carbon DIODES 10KO ¼W R171 ERD25TJ103 Carbon ¼W TVS10E1 Rectifier Carbon 5.6KO R172 ERD25T J562 3.9KO ¼W D43A ÄJ.
  • Page 46 -900 X X X Se.-ies -1200X X XSe.-ies Description Descript io n Part No. Ref. No. Part No. Ref. No. ERD25TJ273 Carbon 27KS1 ±5% ¼W Rectifier R403 TVSBB4A ¼W R404 ER D25TG2701 Carbon 2.7KS1 ±2% ±5% ¼W R423 ERD25FJ680 Carbon 68.n COILS&...
  • Page 47 M-900 >< X X Series M-1200 X X XSeries Description Part No. Description Part No. Ref. No. Ref. No. R175 4.7K.n ±5% ¼W ERD25FJ472K Carbon Model No. M-12041NB R176 ERD25FJ103K 10K.n ±5% ¼W Carbon TNP81894-39 MAIN P.C. BOARD R177 ERD25FJ472K Carbon 4.7K.n ±5%...
  • Page 48 -900 X X X Ser-ies -1200 X X X Ser-ies Description Part No. Description Part No. Ref. No. Ref. No. & ¼W 1000pF R423 ERD25FJ680K Carbon 68.!1 C492 ECOM1 H102JZ Polyester & 6.3V ERF2AJ100 Non Flame 10.n 100µF R432 C496 ECEAOJS101 Electrolytic &...
  • Page 49 P31 (Green) P31 (Green) P4 (White) Polish Nonglare CRT. Sur-face Nonglare Horizontal OSC Circuit Available All other specifications are same as that of the basic models M-12004NA/NB. Panasonic® Matsushita Electric Trading � -, Ltd. P.O. Box 288, Central Osa�c11 Japan...
  • Page 50 Supplemental Parts List. Description Part No. Ref. No. & 310JLB31J CRT. (Model. M-12021PB) & 310KRB31N CRT. (Model, M-12021NB) HORIZONTAL OSC CIRCUIT PART 1. C. H. OSC. Drive AN5752 or IC41 AN5753 ·-· ( .. TRANSISTORS 2SC828AR or H. Sync. AMP 2SC945PQ RESISTORS 33KQ...
  • Page 51 $UPPLY COI-IHOH z:[R RrTURN BRtaHT�<, R151 820 2',/ SUPPLY : '. : : : := � & FUU·t�· � .. �, .. ,.,, 1M, �� (") ,;� :;.1..; � 310JLB31 (M-12021PBI 310KRB31N (") IM-12021NB) �� �� V.SYNC.AMP •• �. IC31 25C821 RS AN5793 )>...

This manual is also suitable for:

M-1200 seriesM-9004naM9009naM-9001naM-9009aM-c9004n ... Show all

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