12
FZDA07ELEF2/EREF2/MRHF2
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SWITCH UNIT (X34-553x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
2KEEPROM, Retain µ-com setup conditions
N_D3.3V operation, Communicate with µ-com (IC5)
IC2
3.3V linear power supply, Used in BT module
N_D5V input, 3.3V output, Supplied to BT module (A1)
IC3
2.2V linear power supply, Used in VFD fi lament
N_D5V input, 2.2V output, Supplied to VFD fi lament (ED1)
IC4
Communication between µ-com and VFD (Level shift) Level shift communication between µ-com (3.3V) and VFD(5V)
IC5
Panel control µ-com
N_D3.3V operation, SW, VOL input & VFD control processing (System µ-com)
Q1
ON/OFF control of VFD driver 16V power supply
Control the timing to terminate the start to protect VFD
Q2
Switching driver of VFD driver 16V power supply control Driver to control Q1 with the µ-com
Q3
ON/OFF control of VFD logic 5V power supply
Control the timing to terminate the start to protect VFD
Q4
Switching driver of VFD logic 5V power supply control Driver to control Q3 with the µ-com
Q5
Level shifter for communication between system
µ-com and panel µ-com
Level shifter for communication between system µ-com (5V) and panel
µ-com (3.3V)
Q8
BRIGHT signal level shifter for HTR communication
Communication level shifter between HTR (5V) and panel µ-com (3.3V)
Q10
HTR communication HTR signal level shifter
Communication level shifter between HTR (5V) and panel µ-com (3.3V)
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DVD UNIT (X37-1100-00)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
RF signal processing IC
RF signal processing
IC3
FLASH ROM
Maintain F/W for optical DISC control IC
IC4
Optical disc control IC in µ-com
Optical DISC general control / ATAPI interface
IC5
Voltage detection IC
For system resetting of optical DISC control IC
IC7
3.3V power supply
5V
→
3.3V
IC8
Voltage detection IC
For 1.5V power supply IC voltage monitor
IC9
1.5V power supply
5V
→
1.5V
IC10
Driver IC
Focus coil, Tracking coil, Spindle motor, Sled motor and Lo/Ej motor drive
IC11
EEPROM
Maintain data for optical DISC control IC
IC12
OP-AMP for Iop measurement
For IOP measurement
Q1
Register integrated transistor
SL. MUTE control
Q2
Register integrated transistor
For FG signal
Q3
Register integrated transistor
LO.MUTE control
Q4
Register integrated transistor
DRMU control
Q5
MOS-FET
Laser diode ON/OFF control for DVD
Q6
MOS-FET
Laser diode ON/OFF control for CD
Q12
Transistor for APC
Laser diode brightness control for CD
Q13
Transistor for APC
Laser diode brightness control for DVD
Q14
MOS-FET
For IOP measurement
Q15
Register integrated transistor
HFM ON/OFF control
Q16
Transistor for APC
For DVD laser diode protection (Current limit)
Q17
Transistor for APC
For CD laser diode protection (Current limit)
Q18,19
Register integrated transistor
3.3V power supply IC ON timing control
COMPONENTS DESCRIPTION