MITSUI MTV-DV05, Service Manual

Page: 47 / 86

SERVICE MANUAL
- MPEG-2 layer1/layer2 2-channel audio decoding
- Dolby Pro Logic decoding
·
Up to 6 channel linear PCM output for DVD Audio/DVD Video
·
Downmix function
·
Support IEC 60958/61937 output
- PCM/bit stream/mute mode
- Custom IEC latency up to 2 frames
a)
·
Pink noise and white noise generator
·
Karaoke functions
- Microphone echo with adjustable echo level, echo-depth and delay length
- Microphone tone control with three custom second-order IIR filter
- Vocal mute/vocal assistant
- Key shift up to +/-8 keys controlled by 1/2 key
·
Channel equalizer
·
3D surround processing include virtual surround and speaker separation
·
Power-down control
·
Outline
·
208-pin LQFP package
·
313/216-Volt Dual perating votages
2. Pin Definitions
Pin Symbol Type Description
1 IREF Analog Input
Current reference input. It generate reference current for data PLL.
Connect an external 100K resistor to this pin and PLLVSS.
2 PLLVSS Ground Ground for data PLL and related analog circuitry
3 LPIOP Analog Output Positive output of the low pass filter
4 LPION Analog Output Negative output of the low pass filter
5 LPFON Analog Output Negative output of loop filter amplifier
6 LPFIP Analog Input Positive input of loop filter amplifier
7 LPFIN Analog Input Negative input of loop filter amplifier
8 LPFOP Analog Output Positive output of loop filter amplifier
9 JITFO Analog Output RF jitter meter output
10 JITFN Analog Input Negative input of the operation amplifier for RF jigger meter
11 PLLVDD3 Power Power for data PLL and related analog circuitry
12 FOO Analog Output Focus servo output. PDM output of focus servo compensator
13 TRO Analog Output Tracking servo output PDM output of focus servo compensator
14 TROPENPWM Analog Output
Tray open output, controlled by microcontroller.
This is PWM output for TRWMEN
27hRW2
=1 or is digital output for
TRWMEN
27hRW2
=0
15 PWMOUT 2 Analog Output The general PWM output
16 DVD2 Power 2.5V power
17 DMO Analog Output Disk motor control output PWM output
(Continued)
47