Panasonic-SAHT545GN-htss-sup 电路图 维修手册.pdf

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1、 2007 Matsushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-HT545GN SA-HT895GN SA-HT995GN Colour (S) . Black Type DVD Home Theatre Sound System Subject : Service Repair Information Please use this service manual together with the ser

2、vice manual for Model No. SA-HT545GN-S, Order No. MD0605179C3, Model No. SA-HT895GN-S, Order No. MD0605183C3, Model No. SA-HT995GN-S, Order No. MD0605203C3. ORDER NO. MD0701003SE RadioFans.CN 收音机爱 好者资料库 1 Service Note 1.1. Background The following list of models has been improved with the over volta

3、ge protection sensing voltage changing from +/-30V to 30V (ground to -30V): (A) SA-HT545GN-S (MD0605179C3) (B) SA-HT895GN-S (MD0605183C3) (C) SA-HT995GN-S (MD0605203C3) Below reflects the changes to the necessary parts in Main P.C.B: - Part Number Model No.Refer No.Original Part No.New Part No.Part

4、Name & DescriptionsRemarks SA-HT895GN-S, SA-HT995GN-S C5713ECJ1VB1H102KECJ1VB1H104KCAPACITORCHANGE M SA-HT545GN-S, SA-HT895GN-S, SA-HT995GN-S D2900B0BC035A0007B0BC010A0007ZENER DIODECHANGE M SA-HT545GN-S, SA-HT895GN-S, SA-HT995GN-S R5729ERJ6GEYJ103VERDS2TJ562TRESISTORCHANGE M SA-HT545GN-S, SA-HT895G

5、N-S, SA-HT995GN-S RW20-REU35R055CCWIREADD M M indicates parts that are supplied by PAVCSG. Suffix No. Change Information: (A) SA-HT545GN-S : From “C” To “D”. (Main/Power P.C.B Part No. REPX0536A) (B) SA-HT895GN-S: From “F” to “G”. (Main/Power P.C.B Part No. REPX0507D) (C) SA-HT995GN-S: From “F” to “

6、G”. (Main/Power P.C.B Part No. REPX0542A) 2 Parts replacement Procedure Step 1: Remove chip resistor, R5729 (ERJ6GEYJ103V) from the Main P.C.B. Step 2: Replace the chip resistor, R5729 with discrete part (ERDS2TJ562T) by back-solder. Connect the discrete resistor from pin 1 of PC5701 to ground by wi

7、re (REU35R055CC). Apply bond after the back-solder of the part. 2 -HT545GN / SA-HT895GN / SA-HT995GN RadioFans.CN 收音机爱 好者资料库 Step 3: Change chip diode, D5700 (New Part No.: B0BC010A0007) Step 4: Change capacitor, C5713 (New Part No.:ECJ1VB1H104K) Step 5: Change resistor, R5709 (New Part No.: ERJ3GEYJ202V) 3 SA-HT545GN / SA-HT895GN / SA-HT995 PSG0701 RadioFans.CN 收音机爱 好者资料库