Informações sobre o equipamento:

JVC HR-DX20EM Vídeo-cassete
Fabricante:
JVC
Modelo: HR-DX20EM
Data: 1991
Categoria: Áudio, Vídeo, TV, Multimédia
Grupo: Vídeo-cassete
Descrição:
Informações:
                                    	DISASSEMBLY AND MECHANISM ADJUSTMENTS

1.1	DISASSEMBLY
............................................................................................1-1

1.2	MECHANISM ADJUSTMENTS
....................................................1-4

1.3	MAIN MECHANISM PARTS
..........................................................1-5

1.4	INSPECTION AND MAINTENANCE
........................................1-7

1.5	MAIN PARTS REMOVAL AND REPLACEMENT ....	1 -8

2.	ELECTRICAL ADJUSTMENTS

2.1	PREPARATION
............................................................................................2-1

2.2	SWITCHING REGULATOR CIRCUIT
......................................2-3

2.3	TIMER CIRCUIT
..........................................................................................2-3

2.4	SERVO CIRCUIT
........................................................................................2-4

2.5	VIDEO CIRCUIT
..........................................................................................2-5

2.6	AUDIO CIRCUIT
..........................................................................................2-8

2.7	TUNER/IF CIRCUIT
..................................................................................2-9

3.	CHARTS AND DIAGRAMS

3.1	CIRCUIT BOARD AND LOCATION
..........................................3-1

3.2	GENERAL INFORMATION
................................................................3-2

3.3	BOARD INTERCONNECTIONS
....................................................3-3

3.4	AUDIO BLOCK DIAGRAM
................................................................3-5

3.5	SERVO BLOCK DIAGRAM
..............................................................3-7

3.6	VIDEO BLOCK DIAGRAM
................................................................3-9

3.7	SYSTEM BLOCK DIAGRAM
..........................................................3-11

3.8	PRE/REC BLOCK DIAGRAM
..........................................................3-13

3.9	SWITCH REGULATOR AND REGULATOR (MAIN) SCHEMATIC DIAGRAMS
..................................................................3-15

3.10	SWITCHING REGULATOR CIRCUIT BOARD ................3-17

3.11	SERVO SCHEMATIC DIAGRAM
................................................3-19

3.12	SERVO (MAIN) CIRCUIT BOARD
............................................3-2 1

3.13	AUDIO SCHEMATIC DIAGRAM
..................................................3-23

3.14	AUDIO (MAIN) CIRCUIT BOARD
..............................................3-25

3.15	TUNER/IF (MAIN) SCHEMATIC DIAGRAM ....................3-2 7

3.16	TUNER/IF (MAIN) CIRCUIT BOARD
......................................3-29
Section	Title	Page

3.17	MECHACON CTL SCHEMATIC DIAGRAM ........... 3-31

3.18	MECHACON (MAIN) CIRCUIT BOARD ............... 3-33

3.19	DECK TERMINAL. CASS. HOUSING, CAPSTAN MDA AND LOADING
MDA SCHEMATIC DIAGRAMS .... 3-35

3.20	DECK TERMINAL, LOADING MDA, CASS. HOUSING,

A/CTL HEAD AND FULL ERASE HEAD CIRCUIT BOARDS
...................................................... 3-36

3.21	MAIN (AUDIO, SERVO, VIDEO. MECHACON,

TUNER/IF) CIRCUIT BOARD ............................. 3-37

3.22	VIDEO UNIT AND VIDEO SCHEMATIC DIAGRAMS 3-39

3.23	VIDEO (MAIN) AND VIDEO UNIT CIRCUIT BOARDS 3-41

3.24	TIMER/DISPLAY/SWITCH SCHEMATIC DIAGRAM 3-43

3.25	TIMER/DISPLAY/SWITCH CIRCUIT BOARD ......... 3-45

3.26	PRE/REC SCHEMATIC DIAGRAM ....... .............. 3-47

3.27	PRE/REC CIRCUIT BOARD ............................... 3-49

3.28	RF CONVERTER SCHEMATIC DIAGRAM ............ 3-50

4.	EXPLODED VIEWS AND PARTS LIST

4.1	PACKING ASSEMBLY <M1> .......................... 4-1

4.2	CABINET ASSEMBLY <M2> .......................... 4-2

4.3	CHASSIS ASSEMBLY <M3> .......................... 4-3

4.4	MECHANISM ASSEMBLY <M4> .................... 4-4

5.	ELECTRICAL PARTS LIST

SWITCH REGULATOR BOARD ASSEMBLY <01 >	5-1

MAIN BOARD ASSEMBLY <03> <43> ....................5-2

VIDEO UNIT BOARD ASSEMBLY <05> ......................5-9

AUDIO/CONTROL HEAD BOARD < 12> ........................5-11

TIMER/DISPLAY/SW BOARD ASSEMBLY <21 >	5-11

UPPER DRUM BOARD <41 >
..................................................5-12

DECK TERMINAL BOARD ASSEMBLY <51 > ..........5-12

LOADING MDA BOARD ASSEMBLY <55> ..............5-12

CASSETTE HOUSING BOARD <56> ..............................5-12

FULL ERASE HEAD BOARD <61 >
....................................5-12

6.	TECHNICAL INFORMATIONS

6.1	CPU PIN FUNCTIONS ..................................... 6-1

Estes manuais estão disponíveis para os equipamentos acima:

Tipo manual: Manual de serviço JVC-9045-Manual-Page-1-Picture
Páginas: 69
Tamanho: 11.30 Mbytes (11853220 Bytes)
Idioma: Inglês
Revisão:
Manual-ID/Number: 82260
Data: 01 Agosto 1991
Qualidade: Documento Scaned, a leitura parcialmente mal, não parcialmente legível.
Envie data:
MD5: 1b111681fe671a6466560a20b66b2aa4
Downloads: 62 desde 15 Maio 2017
Informações:
JVC-9045-Manual-Page-1-Picture


Comments (0)

No comments yet. Be the first!

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics