Sony RMT-B120P Service Manual page 68

L3 FECMOD
P3 FEDMO
T1 FEEJECT_
R1 FEFG
N1 FEFMO
N2 FEFMO2
N3 FEFMO3
M3 FEFMO4
H4 FOO
A3 FPDOCD
C4 FPDODVD
L2 FEGAINSW1
M2 FEGAINSW2
L1 FEGAINSW3
R2 FEGIO0
PDR, 75K pulldown (0V)2. General IO
R3 FEGIO1
PDR,75K pulldown (0V) 2. General IO
T3 FEGIO10
U1 FEGIO11
U2 FEGIO3
R6 FEGIO4
N5 FEGIO5
N7 FEGIO6
3.3V LVTTL High frequency modulation mode selection signal output, or
I/O, LDD serial interface command enable. The pin is spike-free at
5V-tolerance, power-on stage.
Slow slew,
2, 4, 6, 8mA
PDR,
75K pull-down (0V)
Analog Output Disk motor control output. DAC output.
3.3V LVTTL Eject/stop key input, active low. The pin is spike-free at poweron
I/O, stage.
5V-tolerance, Alternate function :
6 mA PDR, General IO.
75K pull-up (3.3V)
3.3V LVTTL Motor Hall sensor input. The pin is spike-free at power-on
I/O, stage.
5V-tolerance,
6 mA PDR,
75K pull-up (3.3V)
Analog Output Feed motor 1 control. DAC output.
Analog Output Feed motor 2 control. DAC output.
Feed motor 3 control. DAC output.
Analog I/O
Alternative Function : Auxiliary servo input
Feed motor 4 control. DAC output.
Analog I/O
Alternative Function : Auxiliary servo input
Analog Output Focus servo output. PDM output of focus servo compensator.
Analog Input Laser Power Monitor Input for CD APC / Differential negative input
Analog Input Laser Power Monitor Input for DVD APC / Differential positive input
Analog Output Read gain switch. 1
Analog Output Read gain switch 2.
Analog Output Read gain switch 3.
3.3V LVTTL LDD serial interface data. The pin is spike-free at power-on
I/O, stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance, Alternate function:
2,4,6,8 mA 1. Internal monitored signal output
3.3V LVTTL LDD serial interface CLK. The pin is spike-free at power-on
I/O, stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance, Alternate function:
2,4,6,8 mA 1. Internal monitored signal output
3.3V LVTTL PC RS232 serial receive data. The pin is spike-free at poweron
I/O, stage
5V-tolerance, Alternate function:
2,4,6,8 mA 1. High speed serial output port. (CLOCK)
PDR, 2. Internal monitored signal output
75K pull-up (3.3V) 3. LED Control Output. Initial "0" Output
4. General IO.
3.3V LVTTL PC RS232 serial transmit data. The pin is spike-free at poweron
I/O, stage.
5V-tolerance, Alternate function:
2,4,6,8 mA 1. High speed serial output port (Data)
PDR, 2. Internal monitored signal output
75K pull-up (3.3V) 3. General IO.
3.3V LVTTL LED Control Output. Initial 0 Output. The pin is spike-free at
I/O, power-on stage.
5V-tolerance, Alternate function : .
2,4,6,8 mA 1. Internal monitored signal output
PDR, 2. General IO
75K pull-down (0V)
Analog Output Read gain switch 4
Alternate function :
1. LCD serial interface command enable.
2. LCD_DRV: Square wave output for LCD control.
3. Internal monitored signal output
4. General IO.
Analog Output Read gain switch 5
Alternate function :
1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.
Analog Output Read/Write gain switch 6. The pin is not allowed to pull-up in
circuit layout.
Alternate function :
1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.
6-10
BDP-BX18/S185/S186