Ram Through; Pro Logic; Ram 0Db - Yamaha RX-V420 Service Manual

RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS

3. RAM THROUGH

The input signal is automatically identified and switched in the priority order of dts ➔ DOLBY DIGITAL ➔ PCM AUDIO ➔
Analog (A/D) according to the signal detection.
The Center and RL/RR signals are output through the external DRAM.
[2ch/Multi] *Multi: Lo/Ro Down Mix
ANALOG
CODEC
(A/D)
AK4527
DIGITAL
4. PRO LOGIC [YSS928]
The input signal is automatically identified and switched in the priority order of dts ➔ DOLBY DIGITAL ➔ PCM AUDIO ➔
Analog (A/D) according to the signal detection.
Operation conforming to the ordinary Dolby Normal sound field is provided.
[REMOTE CONTROL CODE: 7A-8D (PRG 6)]
17
RAM 0dB [REMOTE CONTROL CODE: 7A-10 (PRESET+)]
Reference data
INPUT: DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Condition
Both ch, -20 dBV, volume -10 dB -1.4 dBV 16.0 dBV
AC3D3 YSS928
Main DSP Sub DSP
(Decoder)
L/R
INTERNAL
DIR
• Same as ordinary Pro Logic except that the auto input balance function is off.
Reference data
INPUT: DVD ANALOG
SWFR: 50Hz, Others: 1kHz
Condition
Both ch, -20 dBV, volume -10 dB -18.0 dBV 16.0 dBV
MAIN L/R CENTER
SDOB2 Mute
L/Mute SDOB1 0dB/Mute
SDOB3 Mute
4M DRAM
MAIN L/R CENTER
RL/RR SWFR
- ∞ - ∞
CODEC
L
(D/A)
R
AK4527
C
SWFR
RL
RR
RL/RR SWFR
- ∞ - ∞