Related Manuals for MP-Man PDV-78
Summary of Contents for MP-Man PDV-78
- Page 1 All manuals and user guides at all-guides.com Service Manual (7 Inch) LCD Color Monitor & DVD Player mp-man pdv-78...
- Page 2 All manuals and user guides at all-guides.com 1、Specification .............…..........………………… 2、Block Diagram .........…..............…………………. 3、General Alignment Instruction ..............……………..….. 4、Troubleshooting ..................……………………….. 5、Printed Circuit Board ..................…………………... 6、Explode View ......................…………………. 7、IC Block Diagram and Lead Identification .............……………….. 8、Schematic Diagram ..................……………………..
- Page 3 All manuals and user guides at all-guides.com SPECIFICATION Result Description Condition Unit Limit Nominal Vp-p 0.7±0.1 Video Signal Level Vp-p 0.3±0.1 SYNC Lever 75% color bar, 75 Vp-p 1.0±0.2 Video out level Video out level (No Loader) Vp-p 2.0±0.2 Y(100% color bar ) 700±140 S-VIDEO out level C(100% color bar )
- Page 4 All manuals and user guides at all-guides.com 3±2 HEADPHONE OUTPUT 1KHz,400mV No Signal ﹤1mV ﹤1mV HEADPHONE Noise SPK MAX Output 1KHz/0dB 500±100 (DVD) 1KHz/0dB 500±100 SPK MAX Output 1KHz/0dB 500±100 (AV IN) 1KHz/0dB 500±100 Infinity HEADPHONE S/N ≥75 (add A) zero/-&dB/L&R SPK S/N Infinity...
- Page 5 All manuals and user guides at all-guides.com BLOCK DIAGRAM...
- Page 6 All manuals and user guides at all-guides.com DVD PART...
- Page 7 All manuals and user guides at all-guides.com GENERAL ALIGNMENT INSTRUCTION The Main PCB of Monitor Modification: 1. Input voltage is 6.8V-16V, input signal is test circuit BY 5418. 2. Adjust VR1 to get good performance.
- Page 8 All manuals and user guides at all-guides.com TROUBLESHOOTING SYMPTOM CAUSE REMEDY LCD MONITOR PART 1) No Picture Defective IC U2 Replace U2 ( VX1827 ) 2) No Picture, Picture no Defective IC AT8430. Replace. C AT8430 Good 3) Luminesce no good Defective IC U3 Replace U3 ( 4558/3414 ) 4) Color is no good...
- Page 9 All manuals and user guides at all-guides.com TROUBLESHOOTING SYMPTOM CAUSE REMEDY DVD PART 1) No Power Power source is not correct. Replace power source. The positive and negative does Charge the position of positive not match the unit. and negative. Power button defective.
- Page 10 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD Monitor Main PCB Top View...
- Page 11 All manuals and user guides at all-guides.com Monitor Main PCB Bottom View...
- Page 12 All manuals and user guides at all-guides.com Monitor HV PCB Top View Bottom View...
- Page 13 All manuals and user guides at all-guides.com DVD Main PCB TOP View...
- Page 14 All manuals and user guides at all-guides.com DVD Main PCB Bottom View...
- Page 15 All manuals and user guides at all-guides.com EXPLODED VIEW...
- Page 16 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC VX1827...
- Page 17 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC VX1827...
- Page 18 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC VX1827...
- Page 19 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC A8430K...
- Page 20 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION...
- Page 21 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION...
- Page 22 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION...
- Page 23 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION...
- Page 24 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC MBM29LV800BE...
- Page 25 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC MBM29LV800BE...
- Page 26 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC K4S641632...
- Page 27 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC K4S641632...
- Page 28 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC LS2822 PIN# PIN NAME TYPE DESCRIPTION RC Oscillate Input Charge Control Output Isen Charge Current Sense Input Ground LED Status Output Vsen Charge Voltage Sense Input Timer Timer 5 Volt Power...
- Page 29 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC TDA2822 BLOCK DIAGRAM SCHEMATIC DIAGRAM PIN CONFIGURATIONS...
- Page 30 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC S-8521F33 PIN# PIN NAME DESCRIPTION ON/ OFF ON/OFF CONTROL PIN “H”: NORMAL “L”: STOP VOUT OUTPUT VOLTAGE CONNECT EXTRA Crystal INPUT VOLTAGE...
- Page 31 All manuals and user guides at all-guides.com IC BLOCK DIAGRAM & DESCRIPTION IC MP1026...
- Page 32 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAMS Monitor Part...
- Page 33 All manuals and user guides at all-guides.com Monitor Part...
- Page 34 All manuals and user guides at all-guides.com Monitor Part...
- Page 35 All manuals and user guides at all-guides.com Monitor Part Monitor HV BOARD...
- Page 36 All manuals and user guides at all-guides.com DVD Part...
- Page 37 All manuals and user guides at all-guides.com DVD Part...
- Page 38 All manuals and user guides at all-guides.com DVD Part...
- Page 39 All manuals and user guides at all-guides.com DVD Part...
- Page 40 All manuals and user guides at all-guides.com DVD Part...
- Page 41 All manuals and user guides at all-guides.com DVD Part...
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