JVC HRJ770KR
Manual de Servicio

TABLE OF CONTENTS
DIFFERENT TABLE ........................................................................................................................................................... 1 to 3 4. CHARTS AND DIAGRAMS (4-1 to 4-7) 4.1 DEMODULATOR CIRCUIT BOARD [HR-J770KR] ....................................................................................................... 4.2 DEMODULATOR SCHEMATIC DIAGRAM [HR-J770KR] ............................................................................................ 4.3 MAIN, A/C HEAD, MINI FRONT, LOADING MOTOR AND R.PAUSE CIRCUIT BOARDS .......................................... 4.4 REMOTE CONTROL SCHEMATIC DIAGRAM ............................................................................................................ 4-1 4-2 4-4 4-7

5. PARTS LIST (5-1 to 5-3) 5.1 CABINET AND CHASSIS ASSEMBLY <M2> ............................................................................................................... 5-1 5.2 ELECTRICAL PARTS LIST DEMOD BOARD ASSEMBLY <14>[HR-J770KR] ................................................................................................................ 5-3

The following table indicate main different points between models HR-VP680U, HR-J770KR and HR-J2010T.
ITEM POWER VOLTAGE (RATING) POWER PLUG POWER SAVE FRONT PANEL COLOR STEREO DECODER RF OUT CH SUMMER TIME ADJ. VCR PLUS+ AUTO CLOCK JUST CLOCK FF/REW TIME VIDEO RCA IN AUDIO RCA IN MODEL HR-VP680U 120V,60Hz UL,CSA USED BLACK MTS 4CH USED VCR+ USED USED 150� NOT USED NOT USED HR-J770KR 110 � 220V(60Hz) KOREAN NOT USED CHMP A2 NOT USED G-CODE NOT USED NOT USED 2'30� USED USED HR-J2010T 110V(60Hz) SASO

MTS 13CH

The following table indicate different parts number between models HR-VP680U, HR-J770KR and HR-J2010T. PACKING AND ACCESSORY ASSEMBLY <M1>
REF. NO 301 306 306A ! 310 ! 310 ! 310 316 317 318 ITEM PACKING CASE REMOTE CONTROLLER COVER(BATTERY) INST.BOOK(EN) INST.BOOK(KO) INST.BOOK(EN.CH) WARRANTY CARD REGIST.CARD Q.S.SHEET MODEL HR-VP680U LP30658-007A LP20303-014A LP40225-002A LPT0342-001A � � � BT-51020-2 LPT0342-002A HR-J770KR LP30658-030A LP20878-008A LP40610-002A � LPT0427-001A � BT-56009-2M � � HR-J2010T LP30658-028A � � LPT0426-001A � � �

CABINET AND CHASSIS ASSEMBLY <M2>
REF. NO ! 501 501A 501C ! 502 503 ! 511 ! 517 518 518A 518B 518C 523 ITEM FRONT PANEL ASSY CASSETTE DOOR DISPLAY WINDOW TOP COVER TAP SCREW BOTTOM CHASSIS POWER CORD ASSY CLEANER ASSY CLEANER ROLLER CLEANER CLEANER ARM PC SUPPORT MODEL HR-VP680U LP10289-006A LP20868-001A LP20869-006A LP10013-021C QYTDSF3010M LP10108-011A QMPD190-170-K � � � � *LP40628-001A HR-J770KR LP10289-036B LP20868-014A LP20869-050A LP10013-031C QYTDSF3010R LP10108-002D PQ21730N LP40369-001D PQ46418-1-2 PQ46419-1-2 LP30407-001D LP40628-001B HR-J2010T LP10289-041B LP20869-059A

QMP73J0-170

1

Notes : Mark � is not used. Mark is same as left. Mark * reference model was also changed.