Jvc VSDT 7 R Service Manual

Page 1

WWW . ESQUEMASELETRICOS . COM . BR

AGENDA ELETRONICA; CALCULADORA; ARCADE;
AUDIO (DOMESTICO/AUTOMOTIVO); DINA; CHA-
VEADOR DE VIDEO; CAIXA REGISTRADORA E
IMPRESSORA; CIRCUITO FECHADO; DVD; ELE-
TRODOMESTICOS; FAX; FERRAMENTAS; FILMA-
DORA; FONTES; FAIXA DO CIDADAO (PX);
GAMES; GMS; HANDY TERMINAL; IMPRESSORAS;
LOCOMOTIVAs; LUZ DE EMERGENCIA; MAQ.FO-
TOGRAPICA DIGITAL; MICRO ONDAs; MOBILE
COMMUNICATOR; MONITORES; MULTI-PROJETOR;
MULTITESTES; NOBREAKS; NOTEBOOK; OSCI-
LOSCOPIO; PERSONAL COMPUTER/PALM; PRO-
JETOR; RADIO RELOGIO; RECEPTOR DE SATE-
LITE; SECRETARIA ELETRONICA; TECLADO /
ORGAO; TELEFONE; TRANSMISSOR; TV; VCR

CONTATO: MARCOS@ESQUEMASELETRICOS . COM . BR

Page 29

VS-DT7R

4.12 LA6575H (ICSO1) : Focus & Spindle & Feed & Tracking BTL driver
4.12.1 Terminal layout

4.12.2 Block diagram

E O E
I: Z
E E
IE E
E 2
IE 5 t
E Z
_ MUTE Is as follow
& FR :3: 21:321.
IE 5
E E
E E
IE E
IE E
E E
E E
4.12.3 Pin function
Pin No. Symbol Function Pin No. Symbol Function
1 VCCZ Power supply for CH3/CH4/CH5 15 V|N2 Not use
2 VO5- Loading output (-) 16 V|N2G Spindle drive input
3 VO5+ Loading output (+) 17 V|N3 Not use
4 VO4+ Tracking output (+) 18 VINSG Focus drive input
5 VO4- Tracking output (-) 19 REG-IN Connect to power supply
6 V03+ Focus output (+) 20 REG-OUT Not use
7 VO3- Focus output (-) 21 VREF-IN Reference voltage input terminal
8 V02+ Spindle output (+) 22 VCCS Signal system power
9 VO2- Spindle output (-) 23 V|N4G Tracking drive input
10 VO1+ Traverse output (+) 24 V|N4 Not use
11 V01- Traverse output (-) 25 MUTE Mute for CH1/CH2/CH3/CH4
12 VCCt Power supply for CH1/CH2 26 S-GND Signal system ground
13 V|N1 Not use 27 FWD Loading input (EJECT)
14 V|N1G Traverse drive input 28 REW Loading input (LOAD)

4.13 GP1FA550TZ (J3601) : Fiber optic transmitter/Receiver

4.13.1 Terminal layout

28

4.13.2 Block diagram

LED

® VIN
® VCC
(3 GND

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VS-DT7R

Block N0. E E E

Exploded view of general assembly and parts list

ower amplifier board

3-3