Sine Wave; Pink Noise - Marantz SA12 Service Manual

Signal Test
point
PCM_Ce_Lf_Fu F659
r
PCM_LsRs_Fur F504
SPDIF F644
PM3394B
ch1: freq= 2.79MHz
ch1
1
CH1 1.00 V= MTB 250ns
SCLK_AV
PM3394B
ch1: freq= 44.3kHz
ch1
1
CH1 1.00 V= MTB10.0us
LRCLK_AV

Sine wave

Generate the sine wave with the following command
Ref.# Command Name Remark
117 Sine ON
Then measure the following signals
Signal Test
point
SCLK_AV F637
LRCLK_AV F641
PCMCLK_AV F640
PCMOUT_AV F638
PCM_Ce_Lf_Fur F659
type Level Frequency
No signal LVTTL N/A
No signal LVTTL N/A
Data TTL N/A
stream
ch1+
CL 06532152_025.eps
051200
ch1+
CL 06532152_026.eps
051200
Play the sine wave at the au-
dio outputs
type Level Frequency
Clock LVTTL 3.072MHz
< 0.02%
Clock LVTTL 48 kHz
< 0.02%
Clock LVTTL 12.288 MHz
< 0.02%
Data LVTTL N/A
strea
m
No LVTTL N/A
signal
Signal
PCM_LsRs_Fur
SPDIF
Press "STOP" to switch off the sine wave.
PM3394B
ch1: freq= 3.09MHz
ch1
1
CH1 2.00 V=
SCLK_AV 3.072MHz
PM3394B
ch1: freq= 48.1kHz
ch1
1
CH1 2.00 V=
LRCLK_AV 48kHz
PM3394B
ch1: freq= 12.2MHz
ch1
1
CH1 1.00 V~
PCM CLK_AV

Pink noise

Generate the pink noise with the following command
28
Test type Level Frequency
point
F504 No LVTTL N/A
signal
F644 Data TTL N/A
strea
m
MTB 200ns ch1+
CL 06532152_027.eps
MTB10.0us ch1+
CL 06532152_028.eps
MTB50.0ns ch1+
CL 06532152_029.eps
051200
051200
051200