LG lg pv71ad27 20ki14u71 20ki14u72 20ki20u71 20ki20u72 free download

File name lg_pv71ad27_20ki14u71_20ki14u72_20ki20u71_20ki20u72.pdf

SERVICE BULLETIN No. : VSB-85030 Date : 08/06/1998 KI-14U71 KI-14U71X Model KI-20U71 KI-20U72X Buyer GB000001 From the shipment EFFECTIVE DATE 31/05/1998 EFFECTIVE FROM(SERIAL NO.) on June 1998 Subject Improvement of the reliability Before Change After Change K- No. LOC NO. Note Remark PART NO. DESC./SPEC. PART NO. DESC./SPEC. CODE SHIELD SHIELD 1 4814V00016A BUTTOM 4814V00016B MAIN 1 SBHG-1 . BOTTOM B 3 Reason Of Change Symptom : "HUM" in sound when playing a tape recorded in SET. Countermeasure : Add a silicon shield plate to SHIELD BOTTOM. ** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL NOTE(**) : INTERCHANGEABILITY CODE KEY-WORD CODE Parts Set Original or new parts may be used in early or Original Early late production sets. 1. To improve performance A New Late Use original parts until exhausted, then stock 2. To improve productivity new parts. Original parts may be used in early production sets only. 3. To improve reliability Original Early New parts may be used in early or late production B sets. New Late 4. Change of material or Use original parts where possible, then stock new dimension parts. New parts only may be used in early or late 5. Addtion Original Early production sets. C New Late Stock new parts. 6. Deletion Original parts only may be used in early Original Early production sets. 7. Correction D New parts may be used in late production sets New Late only.