Servo Tests; Check Vref; Check I2S Interface - Marantz SA12 Service Manual

Signal Test type
point
DSD_PCM(1) F006 Signal : High LVTTL N/A
DSD_PCM(4) F007 Data stream LVTTL N/A
DSD_PCM(5) F008 Signal : High LVTTL N/A
DSD_PCM(2) F009 Data stream LVTTL N/A
DSD_PCM(3) F010 Signal : High LVTTL N/A
PM3394B
ch1: freq= 12.3MHz
ch1
1
CH1 2.00 V= MTB 100ns
DSD_PCM8
PM3394B
ch1: freq= 3.09MHz
ch1
1
CH1 2.00 V= MTB 200ns
DSD_PCM6
PM3394B
ch1: freq= 48.1kHz
ch1
1
CH1 2.00 V= MTB10.0us
DSD_PCM7
Level Frequency
ch1+
CL 06532152_037.eps
051200
ch1+
CL 06532152_038.eps
051200
ch1+
CL 06532152_039.eps
051200
31
5.5.7

SERVO TESTS

General start-up measurements:
Reset the Basic Engine part
Ref. # Command Name
603 BeReset

Check Vref

Name Testpoint
Vref F188

Check I2S interface

Name Testpoint
B_BCLK F347
CL1 F337
B_WCLK F343
Stopclk F338
B_Sync F344
B_V4 F348
PM3394B
ch1
1
CH1 2.00 V~ MTB50.0ns
B_BCLK
PM3394B
ch1
1
CH1 2.00 V~ MTB50.0ns
CL1
Remark
Reset Basic Engine
Value
2.5V+/-0.3
Value
6.0MHz +/-0.1
12.0MHz +/-0.2
HIGH
HIGH
HIGH
HIGH
ch1+
CL 06532152_040.eps
051200
ch1+
CL 06532152_041.eps
051200