Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio FFH-DV55AX FFH-DV55AX DA-55A_BLK
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BLOCK DIAGRAM
R2 Q1
Vin 1 2 Vo
OVERVOLTAGE
THERMAL SHUTDOWN
PROTECTION
BANDGAP REFERENCE -
+
R1
SOA PROTECTION
HIGH / LOW OUTPUT
4 ON / OFF
Vdis -
+
1.4V SHORTCIRCUIT
PROTECTION
3
GND
- 2-8 -
BLOCK DIAGRAM
2-9 2-10
SENS,FOK,SLD_FG,
5 MSDATO,DEFECT,DSP_SENSE
4 3 SQSO,SQCK,SCOR
PICK DVD:A,B,C,D,
UP FE,TE,PI,SBADD 4 3 XLAT,S_CLK,S_DATA
CD:A,B,C,D/E,F 4
UCOM
IC2A1 3 DSP_CS,/WR,/RD
IC206 I/F
DVD/CD RF
33P3721 DVDSP-3301 8 DO[0:7]
RF Signal MIRR,TZC 2
CD/DVD DSP 6 AO[0:5]
Processdr
DVD SERVO
8 DVD_DATA[0:7]
8 MPEG
MCK I/F
9
16
- 3-10 -
ICADDR[0:8]
ICDATA[00:15]
MON,MDP
DRAM
FDO,TDO,FMO 256K x 16bit
IC2M1
KA3032
BLOCK DIAGRAMS
Spindle
SpindleMotor,LoadingMotor,
Actuator Driver
M/D
focus,tracking,loading,sled SPINDLE_FG
1. RF/CD DSP/DVD DSP/DVD SERVO Block Diagram
UCOM
Load open/close(loading control) I/F
DAI_DATA
DVD_DATA[0:7] 8 4 DA_DATA[0:3]
AUDIO
DSP SDCLK1,ZISENB 2 DA_BCK,DA_XCK,DA_LRCK I/F
I/F
REQZ1 IC301 SPDIF
ZiVA-4.1 CVBS CVBS
A[00:02] 8 MPEG A/V Y.SEL Y
Decoder C
2. MPEG Block Diagram
D[00:07] 3 A/V
U-COM IC372
Y(G) Y(G) JACK
I/F MPEG_ERROR LA7135AM I/F
PB(B) PB(B)
SwitchIC
MPEG_RST PR(R) PR(R)
- 3-11 -
DA_XCK
MPEG_CLK
DVD_SD_CS0,DVD_UDQM 2
16 12 2
DVD_MD[0:15] DVD_LDQM
DVD_SD_CS1
DVD_MA[0:11]
4
DVD_SD_CAS S_CLK,S_DATA
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