Panasonic DVD-LV55 Service Manual

Panasonic DVD-LV55 Service Manual

Portable dvd/video cd/cd player
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www.9688888.com
Please file and use this manual together with the service manual for Model No. DVD-LV75EN, Order No.
ODSD000405C3.

Specifications

General
Power source:
维修之家
Power consumption:
AC adaptor
Power source:
Power consumption:
DC output:
Signal system:
Mass
Dimensions:
Operating temperature range:
Operating humidity range:
Region number:
Discs played
(1) DVD-Video disc:
12 cm single-sided, single-layer
12 cm single-sided, dual-layer
12 cm double-sided, single-layer
8 cm single-sided, single-layer
Portable DVD / VIDEO CD / CD Player
DC 9 V (AC adaptor terminal) /
DC 7.2 V (Exclusive battery
pack terminal)
14 W (8 W: Unit only) [Power
consumption in standby mode:
3 W (when using the included
AC adaptor)]
AC 100-240 V, 50 / 60 Hz
30 W
9 V, 2 A
NTSC
560 g
185 (W) × 140 (D) × 25.1 (H)
mm
(when the LCD screen is
closed,excluding protrusions)
5 ° C to 35 ° C (41 ° F to 95 °
F)
5 to 90 % RH (no
condensation)
Region No.3
DVD-LV55
Colour
(s).....................Silver Type
Area
EN.....................Asia.
8 cm single-sided, dual-layer
8 cm double-sided, single-layer
(2) Compact disc (CD-DA, Video CD):
12 cm disc
8 cm disc
LCD screen
S video output
Y output level:
C output level:
Output terminal:
Video output / input
Output / input level:
Output / input terminal:
Audio output / input
Output / input level:
Output / input terminal:
2 ch (MIX) Output (L / R):
Audio signal output characteristics
(1) Frequency response:
DVD (linear audio):
© 2000 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ODSD000705A3
5 "
-Si, TFT wide-screen LCD
1 Vp-p (75 Ω )
0.286 Vp-p (75 Ω )
S terminal (1 system)
1 Vp-p (75 Ω )
Mini-jack
(1 system, Output / input
selectable)
1.5 Vrms (1 kHz, 0 dB)
Stereo mini-jack
(1 system, Output / input
selectable)
(Also used for digital audio
output)
2 Hz-22 kHz (48 kHz sampling)
2 Hz-44 kHz (96 kHz sampling)
Unauthorized
copying
and

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Table of Contents
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Summary of Contents for Panasonic DVD-LV55

  • Page 1: Specifications

    ORDER NO. ODSD000705A3 www.9688888.com Portable DVD / VIDEO CD / CD Player DVD-LV55 Colour (s).....Silver Type Area EN.....Asia. Please file and use this manual together with the service manual for Model No. DVD-LV75EN, Order No. ODSD000405C3. Specifications General 8 cm single-sided, dual-layer...
  • Page 2: Table Of Contents

    DVD-LV55 CD audio: 2 Hz-20 kHz Pickup (2) S / N ratio: Wave length: 660 nm / 780 nm CD audio: 115 dB Laser power: CLASS 2 / CLASS 3A (3) Dynamic range: CD audio: 97 dB Notes: Digital audio output Specifications are subject to change without notice.
  • Page 3: Replacement Parts List

    DVD-LV55 1 Replacement Parts List Notes: *Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors),low-noise (resistors), etc. are used. *When replacing any of components, be sure to use only manufactureris specified parts shown in the parts list.
  • Page 4 DVD-LV55 Ref. No Change of Part No. Part Name & Description Remarks DVD-LV75(EN) DVD-LV55(EN) C4007 ECUX1C104ZFV ——————— DELETION C4008 ECUX1C104ZFV ——————— DELETION C4010 ECUX1C104ZFV ——————— DELETION C4011 RCST1AY106RC ——————— DELETION C4012 RCST1AX226RC ——————— DELETION C4013 ECUX1H221JCV ——————— DELETION C4014 ECUX1C104ZFV ———————...
  • Page 5 DVD-LV55 Ref. No Change of Part No. Part Name & Description Remarks DVD-LV75(EN) DVD-LV55(EN) LB4006 VLQ0865M220 ——————— DELETION Q4003 2SD1328 ——————— DELETION Q4004 2SD1328 ——————— DELETION Q4005 2SD1328 ——————— DELETION Q4006 2SD1328 ——————— DELETION Q4009 2SD1328 ——————— DELETION QR3202 UN5114...
  • Page 6 DVD-LV55 Ref. No Change of Part No. Part Name & Description Remarks DVD-LV75(EN) DVD-LV55(EN) R4101 ERJ3GEYJ105 ——————— DELETION R4102 JAR0816P223D ERJ3GEY0ROO M.RESISTOR CH 1/16W 0 [SPC] R4104 JAR0816P123D JAR0816P103D M.RESISTOR CH 1/16W 10K [SPC] R4105 JAR0816P123D JAR0816P103D M.RESISTOR CH 1/16W 10K...
  • Page 7: Disassembling And Reassembling The Lcd Display

    DVD-LV55 2 Disassembling and reassembling the LCD display Caution: Beware of electric shock from high-voltage parts when testing for electric flow after disassembly. Be careful to avoid scratching the LCD display surface. 2.1. Removing the back panel Proceed only with the LCD display removed.
  • Page 8: Removing The Lcd Panel

    DVD-LV55 2.3. Removing the LCD panel Proceed only with the inverter unit removed. 1. Disengage the tabs. (In 7 places.) 2. Remove the LCD panel making sure not to damage it. 5. Slide in the direction shown. 3. To reassemble, carefully repeat the steps for disassembly in reverse order.
  • Page 9: Check Hints

    DVD-LV55 3 Check hints Caution: When using the laser to check playback, under no circumstances should the laser light be looked at directly. 3.1. Board checks 1. Connect the main board with the traverse unit with an extension cable. (Run the extension cable through the square hole in the cabinet bottom jig.)
  • Page 10: Casing Parts & Mechanism Section Exploded View (Change)

    DVD-LV55 4 Casing Parts & Mechanism Section Exploded View (Change) (Refer to page 59 of DVD-LV75EN Service Manual.)
  • Page 11: Schematic Diagram

    DVD-LV55 5 SCHEMATIC DIAGRAM 5.1. BATTERY CHARGE AND DC-IN SCHEMATIC DIAGRAM...
  • Page 12: Servo Section (Main P.c.b. (3 / 11)) Schematic

    DVD-LV55 5.2. SERVO SECTION (MAIN P.C.B. (3 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 13: Av Decorder Section (Main P.c.b. (4 / 11)) Schematic Diagram

    DVD-LV55 5.3. AV DECORDER SECTION (MAIN P.C.B. (4 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 14: Cpu Section (Main P.c.b. (6 / 11)) Schematic

    DVD-LV55 5.4. CPU SECTION (MAIN P.C.B. (6 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 15: Audio Input / Output Section

    DVD-LV55 5.5. AUDIO INPUT / OUTPUT SECTION (MAIN P.C.B. (9 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 16: Video Input / Output Section

    DVD-LV55 5.6. VIDEO INPUT / OUTPUT SECTION (MAIN P.C.B. (10 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 17: Operation Section (Main P.c.b. (11 / 11)) Schematic Diagram

    DVD-LV55 5.7. OPERATION SECTION (MAIN P.C.B. (11 / 11)) SCHEMATIC DIAGRAM SRV SECTION : Page 12, AVDEC SECTION : Page 13, CPU SECTION : Page 14, AOUT SECTION : Page 15, VOUT SECTION : Page 16, OPR SECTION : Page 17...
  • Page 18: Lcd Drive Schematic Diagram

    DVD-LV55 5.8. LCD DRIVE SCHEMATIC DIAGRAM...
  • Page 19: Printed Circuit Board Diagram

    DVD-LV55 6 PRINTED CIRCUIT BOARD DIAGRAM 6.1. BATTERY CHARGE P.C.B. CHARGE BATTERY P.C.B. R1403 C1403 TC1401 QR1403 QR1402 R1401 C1421 P1402 R1425 D1407 D1408 D1401 D1409 L1402 R1426 D1405 QR1401 IC1402 C1422 TC1415 R1404 R1412 C1407 LB1401 C1413 R1405 C1414...
  • Page 20: Main P.c.b. (1 / 2) (Component Side)

    DVD-LV55 6.2. MAIN P.C.B. (1 / 2) (COMPONENT SIDE) MAIN P.C.B. (1/2) C5052 J3201 S6001 J4001 J4002 TP4005 J4003 TP3204 J1001 L5005 J3202 TP3202 IC5005 R4010 C4080 FP1001 TP3201 R4056 NJ3202 R1058 C4060 R4070 TP4011 LB5014 R4055 R4054 TP5023 IC4010...
  • Page 21: Main P.c.b. (2 / 2) (Foil Side)

    DVD-LV55 6.3. MAIN P.C.B. (2 / 2) (FOIL SIDE) MAIN P.C.B. (2/2) R4011 QR4007 TC1023 TC1025 L4001 TC1019 QR4006 R4058 R4059 R4064 R4063 R4057 L4004 C4021 C4020 C5039 R4116 R4115 C5051 R4110 R4109 R5029 TC5223 C4005 R3210 IC4005 TC5209 TC5205...
  • Page 22: Lcd Drive P.c.b

    DVD-LV55 6.4. LCD DRIVE P.C.B. LCD DRIVE P.C.B. IC8201 VR8003 Transistors IC8202 VR8004 Q8002 IC8205 VR8005 Q8004 IC8403 VR8006 Q8101 IC8404 VR8008 Q8201 IC8405 VR8405 Q8202 IC8602 VR8601 Q8401 IC8801 Connector Q8402 IC8802 Q8406 FP8001 Test Point Q8901 FP8002 TP8201 Transistor &...
  • Page 23 DVD-LV55 H000700000 TK / TT...

Table of Contents