13
FZDA07ELEF2/EREF2/MRHF2
●
DVD UNIT (X37-1120-02)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
One chip LSI for DVD player
RF signal processing / Servo processing / Decoding processing / AV
decoding processing
IC5
FLASH ROM
To retain F/W for one chip LSI (Nonvolatile memory)
IC9
EEP ROM
To retain data for one chip LSI (Nonvolatile memory)
IC10
Driver IC
Fo coil / Tr coil / SP motor / SLD motor / LO-EJ motor drive
IC12
1ch video AMP
+6dB amplifi er with internal composite video output fi lter
IC21
2-output switching REG
5V
→
3.3V/1.2V
IC39
OP-AMP for Iop measurement
For Iop measurement
IC42
Logic IC for port extension
For port extension
IC49
Low voltage logic
For S/PDIF signal amplitude conversion (3.3V
→
1.2V)
IC54
SDRAM
To retain data for one chip LSI (Nonvolatile memory)
IC55,56
Logic IC for port extension
For port extension
Q1
Transistor with internal resistor
LO_MUTE control
Q2
Transistor with internal resistor
For FG signal
Q3
Transistor with internal resistor
For BMS
Q4
Transistor with internal resistor
DRMUTE control
Q10
Front end transistor for APC
Control of CD laser diode emission
Q11
Front end transistor for APC
Control of DVD laser diode emission
Q12
Rear end transistor for APC
Control of CD laser diode emission
Q13
Rear end transistor for APC
Control of DVD laser diode emission
Q14
MOS-FET
ON/OFF control of CD laser diode
Q15
MOS-FET
ON/OFF control of DVD laser diode
Q20
MOS-FET for level shifter
Level shifter for I2C clock
Q21
MOS-FET for level shifter
Level shifter for I2C data
Q24
MOS-FET
For Iop measurement
Q25
Transistor with internal resistor
IFSEL control
Q27
Transistor with internal resistor
HFM ON/OFF control
Q28
Transistor for APC
For CD laser diode protection (Current limiter)
Q29
Transistor for APC
For DVD laser diode protection (Current limiter)
COMPONENTS DESCRIPTION