Sanyo VCD-X220 Service Manual
Sanyo VCD-X220 Service Manual

Sanyo VCD-X220 Service Manual

Portable vcd/cd player

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Service Manual

Specifications

System
Compact disc digital audio/video system
Material: GaAIAs
Wavelength: λ = 780nm
Emission duration: Continuous
Laser diode properties
Laser output: Less than 44.6uW
(This output is the value measured at a distance of 200mm from
the objective lens surface on the optical pick-up block with 7mm
aperture.)
1-bit quartz time-axis control
D-A conversion
2 channel
Channel number
20-20,000Hz
Frequency response
Audio output (stereo mini jack)
Approx. 5mW+ Approx. 5mW at 32 ohms
Output
Video output
(at 4.5V input level)
Output level 1Vp-p at 75 ohms
Recommended load impedance 75 ohms
Two AA batteries: 3V DC
Power requirements
AC power adapter (DC IN 4.5V jack):
110 or 220V 50/60Hz Switchable.
Specifications subject to change without notice.
Portable VCD/CD Player
Battery life
(approx. Hours)
Operating temperature
Dimensions (w/h/d)
(excluding projecting
parts and controls)
Mass
FILE .NO
VCD-X220
PRODUCT CODE No.
1 164 160 00 VCD-X220 (SS)
(When you use the VIDEO CD player on a flat
and stable surface.)
Player time varies depending on how the CD
player is used.
VCD
Two
NIMH 1800mAh
3
Batteries
Two
NIMH 1200mAh
2.0
Batteries
Two
Alkaline Batteries
1.5
LR6
o
o
5 C - 35 C
Approx. 128X26X137mm
Unit Net Weight : 210gr.
REFERENCE No. SM3600000
MP3
CD
5.5
5.5
4
4.5
4
4.5

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Table of Contents
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Summary of Contents for Sanyo VCD-X220

  • Page 1: Specifications

    FILE .NO Service Manual Portable VCD/CD Player VCD-X220 Specifications PRODUCT CODE No. 1 164 160 00 VCD-X220 (SS) System Compact disc digital audio/video system (When you use the VIDEO CD player on a flat Battery life and stable surface.) Material: GaAIAs (approx.
  • Page 2: Exploded View

    EXPLODED VIEW...
  • Page 3: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
  • Page 4 PARTS LIST Ref. No. Parts No. Description Ref. No. Parts No. Description TG22-61453305-00 Chip Resistor 33 Electrical Parts (Key PCB) TG22-61453305-00 Chip Resistor 33 TG22-61453305-00 Chip Resistor 33 TG99-03021001-00 Key PCB ASS'Y TG22-61453305-00 Chip Resistor 33 IC901 TG29-25262100-00 LCD Driver TG22-61453305-00 Chip Resistor 33 LCD1 TG55-35000001-00 LCD 22 PIN...
  • Page 5: Block Diagram

    BLOCK DIAGRAM IC 901 WV2621 LCD Driver + Function U4, U5 M11L416256SA SDRAM VIDEO CS8553 LS-188 OUTPUT TV ENCODE VCD Decode U6 W27C020P EP ROM U8, U10 Mech BA4510 TZA1024 AUDIO Deck OUTPUT BH4453 Optic system SAA7324H/M2B POWER AMPLIFIER DSP and DAC System U1 BH6575 Motor driver + SVCC 3.3V...
  • Page 6: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION U1 BH6575FV (POWER CONTROLLER) Symbol Description Symbol Description START DC/DC converter starting terminal PVCC H-bridge power supply input terminal DC/DC converter OFF terminal OUT2- CH2 negative output External clock synchronization input terminal OUT2+ CH2 positive output MUTE34 CH3,4 mute terminal OUT1-...
  • Page 7 IC BLOCK DIAGRAM & DESCRIPTION U2 TZA1024 (OPTICAL SYSTEM) V DD V DD 1× CDRW EQSEL RFFB 4× RFEQO 2× CMFB TZA1024 V GAP RGADJ CFIL V DD PWRON MGR517 V DD(L) Symbol Description Symbol Description current output to laser diode CMFB common mode feedback voltage input VDD(L)
  • Page 8 IC BLOCK DIAGRAM & DESCRIPTION U3 LS188 (VCD ENCODE) DR_D_7 GPIO_14 DR_D_8 GPIO_15 VSS_CORE_20 VDD_CORE_10 LCAS_L GPIO_16 DR_WE_L GPIO_17 VDD_IO_30 VSS_CORE_10 UCAS_L GPIO_18 URAS_L GPIO_19 VDD_CORE_20 VDD_IO_10 LRAS_L GPIO_20 LS188 DR_A_8 GPIO_21 DR_A_0 GPIO_22 DR_A_7 GPIO_23 DR_A_1 AUD_DIN Luxsonor Inc. DR_A_6 AUD_DOUT VSS_IO_30...
  • Page 9 IC BLOCK DIAGRAM & DESCRIPTION U3 LS188 (VCD ENCODE) Symbol Description Symbol Description GPIO_8 programmable I/O 8 VDD_PLL_0 System PLL power supply GPIO_7 programmable I/O 7 DR_D_6 DRAM Data Bus 6 GPIO_6 programmable I/O 6 DR_D_9 DRAM Data Bus 9 GPIO_5 programmable I/O 5 DR_D_7...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION U9 SAA7324 (DAC SYSTEM) V SSA2 V DDA2 V SSD2 V DDD1(P) V SSA1 V DDA1 V SSD1 V SSD3 V DDD2(C) D1 D2 PRE- CONTROL PROCESSING FUNCTION OUTPUT STAGES V ref V RIN GENERATOR CONTROL PART LDON...
  • Page 11 IC BLOCK DIAGRAM & DESCRIPTION U10 BH4453F (POWER AMP) Symbol Description Symbol Description OUT1 Output 1 terminal Input 2 terminal MUTE Mute control terminal (mute = low) BIAS BIAS terminal Input 1 terminal OUT2 output 2 terminal Ground Power supply U12 CS8553 (TV ENCODE) H, V-SYNC SUB-CARRIER...
  • Page 12: Lcd Display Description

    LCD DISPLAY DESCRIPTION WIRING CONNECTION CD MECHANISM KEY PCB MAIN PCB...
  • Page 13 VOLTAGE OF IC & TRANSISTOR U1 BH6575FV (POWER CONTROLLER) 0.04 U2 TZA1024 (OPTICAL SYSTEM) U3 LS188 (VCD ENCODE) PLAY CD PLAY MP3 PLAY VCD PLAY CD PLAY MP3 PLAY VCD PLAY CD PLAY MP3 PLAY VCD PLAY CD PLAY MP3 PLAY VCD PLAY CD PLAY MP3...
  • Page 14: Schematic Diagram

    SCHEMATIC DIAGRAM MAIN PCB (1/2)
  • Page 15 SCHEMATIC DIAGRAM MAIN PCB (1/2)
  • Page 16 SCHEMATIC DIAGRAM MAIN PCB (2/2)
  • Page 17 SCHEMATIC DIAGRAM MAIN PCB (2/2)
  • Page 18 SCHEMATIC DIAGRAM KEY PCB...
  • Page 19 WIRING DIAGRAM (MAIN PCB) TOP VIEW...
  • Page 20 WIRING DIAGRAM (MAIN PCB) BOTTOM VIEW...
  • Page 21 WIRING DIAGRAM (KEY PCB) TOP VIEW BOTTOM VIEW...
  • Page 22 SANYO Electric Co., Ltd. Mar./’03/ Printed in China Osaka, Japan...

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