Panasonic WV-CM1480 Service Manual

Panasonic WV-CM1480 Service Manual

Color monitor
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WV-CM1480/WV-CM1780/WV-CM2080
SPECIFICATIONS
Power Source :
Power Consumption :
Screen Size :
Horizontal Resolution :
S-video Input :
Video Input :
Video Output :
Audio Input :
Audio output :
Horizontal Scanning Frequency :
Vertical Scanning Frequency :
Sweep Linearity :
Sweep Distortion :
Speaker Output :
Data Port :
Standby On/Off Terminal :
Ambient Operating Humidity :
Ambient Operating Temperature :
POW ER
STAN DBY INPU T
ON
SELE CT
MEN U
OFF
AUDI O
120 V AC, 60 Hz
WV-CM2080: 90 W
WV-CM1780: 73 W
WV-CM1480: 70 W
WV-CM2080: 548 mm (21-9/16") diagonal tube size
508 mm (20") viewable size
WV-CM1780: 444 mm (17-1/2") diagonal tube size
406 mm (16") viewable size
WV-CM1480: 394 mm (15-1/2") diagonal tube size
356 mm (14") viewable size
WV-CM2080: More than 500 TV lines at center
WV-CM1780: More than 800 TV lines at center
WV-CM1480: More than 750 TV lines at center
Y: 1.0 V[p-p]/75 Ω, C: 0.286 V[p-p]/75 Ω, Mini DIN jack
1.0 V[p-p] composite/75 Ω, BNC (x2)
Looped through input with Auto Termination, BNC (x2)
–8 dB/Hi-Z, RCA pin-jack (x2)
Looped through input, RCA pin-jack (x2)
15.734 kHz
60 Hz
Horizontal: Less than 5 %
Vertical:
Less than 5 %
Less than 2 %
0.7 W
6-conductor Modular Jack (x2)
1 circuit
Less than 90 %
–10°C - +50°C (14°F - 122°F)
R
Vid eo Mo nit
2 0 8 0
or
WV -CM
C 2 0 0 1 M a t s u s h i t a C o m m u n i c a t i o n I n d u s t r i a l C o . , L t d .
A l l r i g h t s r e s e r v e d . U n a u t h o r i z e d c o p y i n g a n d
d i s t r i b u t i o n i s a v i o l a t i o n o f l a w .
ORDER NO. AVS0104348C1
S06
Color Monitor

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Summary of Contents for Panasonic WV-CM1480

  • Page 1 Horizontal Resolution : WV-CM2080: More than 500 TV lines at center WV-CM1780: More than 800 TV lines at center WV-CM1480: More than 750 TV lines at center Y: 1.0 V[p-p]/75 Ω, C: 0.286 V[p-p]/75 Ω, Mini DIN jack S-video Input : 1.0 V[p-p] composite/75 Ω, BNC (x2)
  • Page 2 WV-CM2080: 482 (W) mm x 443 (H) mm x 476 mm (D) [19” (W) x 17-7/16” (H) x 18-3/4” (D)] WV-CM1780: 406 mm (W) x 354 mm (H) x 426 mm (D) [16” x 13-15/16” x 16-13/16”] WV-CM1480: 370 mm (W) x 352 mm (W) x 399 mm (D) [14-9/16” x 13-7/8” x 15-11/16”] Weight : WV-CM2080: 26.0 kg (57.3 lbs)
  • Page 3 PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J APPLICABLE AT DATE OF MANUFACTURE SAFETY PRECAUTIONS GENERAL GUIDELINE LEAKAGE CURRENT HOT CHECK 1. When service is required, observe the original lead dress. 1. Plug the AC cord directly into adaptor socket and plug Components, wires or cables that indicate evidence of adaptor into the AC outlet.
  • Page 4: Table Of Contents

    WV-CM1480 ........
  • Page 5: Major Operating Controls And Their Functions

    Input Selection Button (INPUT SELECT) !3 Data Ports (DATA) Selects input in the sequence shown below. These ports are used to exchange control data with the System Controller in Panasonic Security Data mode. VIDEO IN A VIDEO IN B S-VIDEO IN...
  • Page 6 !5 Standby Control Terminal (STANDBY ON/STANDBY OFF/G) This terminal accepts input from an outboard device to control the standby mode. It operates as follows: STANDBY ON: Establishes the specified standby mode. STANDBY OFF: Releases standby mode (normal dis- play). !6 Audio Input Connectors (AUDIO IN A/B) For audio input from an outboard device !7 Audio Output Connectors (AUDIO OUT A/B) The audio input signal connected to the Audio Input...
  • Page 7: Setting Up For Service Of Main Board

    SETTING UP FOR SERVICE OF MAIN BOARD Referring to Fig. 4, remove the Main Board while releasing Referring to Fig. 1, remove three screws that secure the three hooks. Bottom Cover, and remove the Bottom Cover. Remove three screws. Main Board Release three Hooks.
  • Page 8: Adjustment Procedure

    ADJUSTMENT PROCEDURE Remove thirteen screws. Upper Cover 1. Test Equipments Required The following Test Equipments are required for adjustment of the Color Video Monitor WV-CM1480/WV- CM1780/WV-CM2080. Video Signal Generator Color Bar Signal Grayscale Signal (8 stair steps) Crosshatch Signal or Dot Signal...
  • Page 9 Direction Button (C or D). Disconnect the Speaker from CN601 on the Main Board Connect the Input terminal of the Audio Analyzer and the Audio Output Connector of the WV-CM1480/WV- 1 CUTOFF R 0 141 CM1780/WV-CM2080 through selector (Audio Out or 2 CUTOFF G Speaker Out) SW1.
  • Page 10 4. Adjustment Procedure (3). Contrast Adjustment Test Point: TP802 (G) CRT Socket Board Adjust: Increment Button (+) Front Panel Refer to the Location of the Test Points and Decrement Button (–) Front Panel Adjusting Controls on the page 10. Supply the Grayscale signal to the Video Input Connector. Enter to the SUB MENU by pressing the Menu Button (1).
  • Page 11 Adjust SIDE PIN by pressing the Increment Button (+) or (7). Color Adjustment the Decrement Button (–) so that the vertical lines (both Test Point: TP803 (B) CRT Board right and left sides of Monoscope Pattern signal) become Adjust: Increment Button (+) Front Panel straight.
  • Page 12 (11). Purity Adjustment secure the deflection coil. Adjust: Purity Magnet Note: For WV-CM1480/WV-CM1780, do not adjust two Deflection Coil variable resistors and magnets on the Deflection Observe: Video Monitor Screen Coil as shown in Fig. 4-9.
  • Page 13 (12). Convergence Adjustment Select V CENTER by pressing the Direction Button (C or Adjust: Convergence magnet-1 Convergence magnet-2 Adjust V CENTER by pressing the Increment Button (+) or the Decrement Button (–) so that the Monoscope Pattern Observe: Video Monitor Screen Supply the Crosshatch signal or the Dot Signal to the signal positions at the vertical center on the Monitor Video Input Connector.
  • Page 14: Location Of Test Points And Adjusting Controls

    LOCATION OF TEST POINTS AND ADJUSTING CONTROLS MAIN BOARD CRT SOCKET BOARD (COMPONENT SIDE) (COMPONENT SIDE) FRONT SIDE – TP803 (B) TP801 (R) TP802 (G) R918 TP901 (120V) TP502 (FBT) VR101 L102 (COMB-1) (COMB-2) (NTSC only) FOCUS SCREEN REAR SIDE –...
  • Page 15: Wiring Diagram

    WIRING DIAGRAM CRT SOCKET BOARD (WV-CM1480:VM1480L04A) (WV-CM1780:K4DJD0000020) (WV-CM2080:K4EP17000001) CN808 CN807 WHITE (FOCUS) CN803 SOCKET CN809 GRAY (SCREEN) CN806 CN804 MAIN BOARD JK901 AC INLET SOCKET (YWVM1910L09) T502 T502 FLYBACK TRANSFORMER E904 (WV-CM1480:VM142L03) (WV-CM1780:VM142L03) E904 (WV-CM2080:K4EP13C00001) E501 (WV-CM1480:VM142L02) (ANODE) (E501) (WV-CM1780:VM142L02)
  • Page 16: Block Diagram

    BLOCK DIAGRAM MAIN BOARD AUDIO PAL ONLY L103 VR101 COMB-2 COMB-1 Q125 IC201 PICTURE CONTROL PAL ONLY IC101 PAL ONLY Q112-Q115 Q117 SELECTOR – L110 BUFFER KILLER OUT X201 AUDIO ACH IN1B OUT1 Q118 NTSC ONLY (4.34 MHz) AUDIO BCH IN1A CTL1 C122,C123,L108...
  • Page 17: Main Board (1/7)

    1/50 Q125 IC101 C102 C163 OPEN ∗ IN1B IN1A C126 R103 1K R141 0 R140 180 1/50 C131 10/50 WV-CM1480 : 56P WV-CM1780 : 56P CTL1 GND1 WV-CM2080 : 47P CN102 OUT1 IN2B Q115 Q117 R181 GND2 L109 R175 ∗...
  • Page 18: Main Board (2/7)

    IC201 B5 Q101 Q211 Q701 D106 C703 BOARD Q201 Q213 Q702 (3/7) Q208 Q214 Q703 C704 R711 100/10 OPEN OPEN Q209 Q216 (Page 15) ∗ Q210 Q217 C702 WV-CM1480 : OPEN WV-CM1780 : OPEN WV-CM2080 : 22P – 14 –...
  • Page 19: Main Board (3/7)

    SCHEMATIC DIAGRAM OF MAIN BOARD (3/7) MAIN BOARD (3/7) < INDEX > SPEAKER MAIN BOARD (3/7) Important safety notice IC201 B2,B4 Q202 Q207 D201 D205 D601 Components Identified by " " mark have special characteristics for safety. When replacing any of these components, use only manufacturer's specified parts. +13.5V IC203 A5 Q203...
  • Page 20: Main Board (4/7)

    SCHEMATIC DIAGRAM OF MAIN BOARD (4/7) MAIN BOARD (4/7) SW301 SW302 SW303 SW304,305 SW306,307 < INDEX > STANDBY INPUT MENU DIRECTION DECREMENT/INCREMENT BUTTON SELECTION BUTTON BUTTONS BUTTONS MAIN BOARD (4/7) BUTTON IC303 C5 D301 Important safety notice IC304 B3 D302 Components Identified by "...
  • Page 21: Main Board (5/7)

    SCHEMATIC DIAGRAM OF MAIN BOARD (5/7) MAIN BOARD (5/7) IC302 C317 R341 < INDEX > FROM 1 A0 MAIN BOARD (2/7) MAIN BOARD (5/7) 1000P (Page 14) R342 IC301 C2,C5 Q301 D304 2 A1 TEST MAIN IC302 Q302 D305 CTRL BOARD R343 (7/7)
  • Page 22: Main Board (6/7)

    R917 –0.3 (5/7) (Page 17) +12V Q905(2/2) Q904(2/2) (7/7) (Page 19) REGULATOR ∗ R921 C907 IC403 13.3 WV-CM1480 : 330/200 15.4 IN OUT +12V –2.1 WV-CM1780 : 330/200 12.0 Q904 Q905 WV-CM2080 : 680/250 (1/2) (1/2) MAIN BOARD (7/7) (Page 19)
  • Page 23: Main Board (7/7)

    C541 +120V R521 2.7K FROM OPEN C513 1800P C512 1800P MAIN BOARD (6/7) (Page 18 ) ∗ marked parts are shown in below. FROM Ref.No. WV-CM1480 WV-CM1780 WV-CM2080 Ref.No. WV-CM1480 WV-CM1780 WV-CM2080 Ref.No. WV-CM1480 WV-CM1780 WV-CM2080 Ref.No. WV-CM1480 WV-CM1780 WV-CM2080...
  • Page 24: Crt Socket Board

    +180V +180V HEATER HEATER SCREEN MAIN BOARD FOCUS (7/7) E501 HV(ANODE) CN806 ∗ SCREEN marked parts are shown in below. Ref.No. WV-CM1480 WV-CM1780 WV-CM2080 FOCUS R803 100K 100K OPEN < INDEX > HV(ANODE) R808 100K 100K OPEN CRT SOCKET BOARD...
  • Page 25: Conductor View

    CONDUCTOR VIEW OF MAIN BOARD (COMPONENT SIDE VIEW) MAIN BOARD (COMPONENT SIDE VIEW) < INDEX > MAIN BOARD (COMPONENT SIDE VIEW) IC201 D6 IC203 D4 IC301 B5 IC303 B6 IC304 C6 IC305 C6 IC401 D4 IC402 D4 IC403 C4 IC601 D4 IC901 B2 Q402 Q501...
  • Page 26: Main Board (Pattern Side View)

    CONDUCTOR VIEW OF MAIN BOARD (PATTERN SIDE VIEW) MAIN BOARD (PATTERN SIDE VIEW) < INDEX > MAIN BOARD (PATTERN SIDE VIEW) IC101 B6 D101 IC102 C6 D102 IC202 E2 D103 IC302 B1 D104 IC306 C1 D106 IC307 B2 D107 D108 Q101 D201 Q102...
  • Page 27: Crt Socket Board

    CONDUCTOR VIEW OF CRT SOCKET BOARD CRT SOCKET BOARD (COMPONENT SIDE VIEW) < INDEX > CRT SOCKET BOARD Q801 D802 Q802 D803 Q803 Q804 Q805 Q806 – 23 –...
  • Page 28: Exploded View

    EXPLODED VIEW OF WV-CM1480 Numbers show screws, washers, and etc. Screws Description XTB3+8GFX Binding Head Tapping Screws XTB3+10GFX Binding Head Tapping Screws Serial No. PCB2 Label XSB3+8FN Binding Head Screws XTN3+10CFN Pan Head Tapping Screws E101 XYN3+J10FX Pan Head Screw and Washer Ass'y...
  • Page 29: Wv-Cm1780

    EXPLODED VIEW OF WV-CM1780 Numbers show screws, washers, and etc. PCB2 Screws Description XTB3+8GFX Binding Head Tapping Screws Serial No. E101 XTB3+10GFX Binding Head Tapping Screws Label XSB3+8FN Binding Head Screws XTN3+10CFN Pan Head Tapping Screws XYN3+J10FX Pan Head Screw and Washer Ass'y XSB4+8FN Binding Head Screws XSS3+8FN...
  • Page 30: Wv-Cm2080

    EXPLODED VIEW OF WV-CM2080 Numbers show screws, washers, and etc. Screws Description XTB3+8GFX Binding Head Tapping Screws XTB3+10GFX Binding Head Tapping Screws PCB2 XSB3+8FN Binding Head Screws XTN3+10CFN Pan Head Tapping Screws E101 Serial No. XYN3+J10FX Pan Head Screw and Washer Ass'y Label XSS3+8FN Flush Head Screws...
  • Page 31: Replacement Parts List

    When replacing any of these components, use only manufacturer's specified parts. RTL : Retention Time Limited (No longer available after discontinuing product). REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION MISCELLANEOUS for WV-CM1480 MISCELLANEOUS for WV-CM1780 CRT1 Y A1A036000002 Cathode Ray Tube CRT1 Y M41LUA420X Cathode Ray Tube...
  • Page 32 DESCRIPTION MISCELLANEOUS for WV-CM2080 MAIN BOARD CRT1 Y A51JXS065X-M Cathode Ray Tube PCB1 (RTL) VM480JKZ1AYP Printed Circuit Board Ass'y for WV-CM1480 Y KDY3NKC65F Deflection Coil VM178JKZ1AYP Printed Circuit Board Ass'y for WV-CM1780 Y G0ZZ00001964 Degaussing Coil VM208JKZ1AYP Printed Circuit Board Ass'y for WV-CM2080...
  • Page 33 PART NO. DESCRIPTION Q701,702 2SC2412K-T46 Transistor D913 B0BC3R000006 Diode Q703 B1ADCF000004 Transistor D914,917 B0ACCK000005 Diode Q901 Y 2SC4460-MN Transistor for WV-CM1480/WV-CM1780 D918 B0BC6R700006 Diode Y B1BAKT000005 Transistor for WV-CM2080 D919 YWRD7.5FB2 Diode Q902 2SD2576 Transistor D920 EU02ZV0 Diode Q903 B1DEBD000001...
  • Page 34 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION R170 ERJ3GEYJ102V Metal 1K ohms 1/16W R257 ERJ3GEYJ222V Metal 2.2K ohms 1/16W R171,172 ERJ3GEYJ681V Metal 680 ohms 1/16W R258 ERJ3GEYJ562V Metal 5.6K ohms 1/16W R173 ERJ3GEYJ511V Metal 510 ohms 1/16W R259 ERJ3GEYJ472V Metal...
  • Page 35 DESCRIPTION R362 ERJ3GEYJ221V Metal 220 ohms 1/16W R526 ERJ14YJ472H Metal 4.7K ohms 1/4W R363 ERDS2TJ821T Carbon 820 ohms 1/4W for WV-CM1480/WV-CM1780 R364 ERJ3GEYJ103V Metal 10K ohms 1/16W ERJ14YJ392H Metal 3.9K ohms 1/4W R365,366 ERJ3GEYJ102V Metal 1K ohms 1/16W for WV-CM2080...
  • Page 36 180 µF 25V R705 ERJ3GEYJ562V Metal 5.6K ohms 1/16W C126 F1H1H560A231 Ceramic 56 pF R706 ERJ3GEYJ122V Metal 1.2K ohms 1/16W for WV-CM1480/WV-CM1780 R707 ERJ3RHD102V Metal 1K ohms 1/16W MCUV1H470JCV Ceramic 47 pF R708 ERJ3GEYJ332V Metal 3.3K ohms 1/16W for WV-CM2080...
  • Page 37 PART NO. DESCRIPTION C237 F1H1H101A231 Ceramic 100 pF C516 Y ECWH16362HV Plastic 3600 pF C238,239 MVUV1C104KBV Ceramic 0.1 µF for WV-CM1480/WV-CM1780 C248 F1H1H103A190 Ceramic 0.01 µF Y ECWH16562HV Plastic 5600 pF C250 MCUV1H102KBV Ceramic 1000 pF for WV-CM2080 C251 MCUV1H102KBV...
  • Page 38 L105 YWLAP2TA220K Coil E911 YWSK0280 Fuse Holder for F902 L106 YWLAP2TA270K Coil V7DA1157A3 Heat Sink L107 G0C150K00001 Coil V7DA1163A3 Heat Sink for WV-CM1480/WV-CM1780 YWV7DA1112A2 Heat Sink L108 YWLAP2TA270K Coil L109 G0C150K00001 Coil V7DA1113B3 Heat Sink L110 YWYS4034 Delay Line V5WA2651A2...
  • Page 39 DESCRIPTION REF. NO. PART NO. DESCRIPTION CRT SOCKET BOARD ACCESSORY PARTS / PACKAGING PARTS PCB2 (RTL) VM480JKY1AYP Printed Circuit Board Ass'y for WV-CM1480 E102 Y K2CG3DH00027 Power Cord VM178JKY1AYP Printed Circuit Board Ass'y for WV-CM1780 Y V8QA5590BN Operating Instructions VM208JKY1AYP...

This manual is also suitable for:

Wv-cm1780Wv-cm2080

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