Pioneer MEP-7000 Service Manual page 201

5
13
DAC control B CH
The DACALTH signal is normally output only upon
startup and when the DAC setting is changed.
Signal Name
No.(SCH/PCB)
CH1 DACRST# 12
CH2 SPICLK 5
CH3 SPIOUT 7
CH4 DACBLTH 23
Time
10µs/div
Voltage
CH1 5.0V/div
CH2 5.0V/div
CH3 5.0V/div
CH4 5.0V/div
Measurement conditions
Idling
14
Audio muting control A CH
Signal Name No.(SCH/PCB)
CH1 DLRCK 25
CH2 DDATAA 26
CH3 DBCLK 24
CH4 MUTEA# 28
Time
2s/div
Voltage
CH1 5.0V/div
CH2 5.0V/div
CH3 5.0V/div
CH4 5.0V/div
Measurement conditions
A disc is loaded in DISC 1.
At the time of power on
15
Audio muting control B CH
Signal Name No.(SCH/PCB)
CH1 DLRCK 25
CH2 DDATAB 27
CH3 DBCLK 24
CH4 MUTEB# 29
Time
2s/div
Voltage
CH1 5.0V/div
CH2 5.0V/div
CH3 5.0V/div
CH4 5.0V/div
Measurement conditions
A disc is loaded in DISC 2.
At the time of power on
5
6
CH1
DACRST#
Measurement Point
CH2
DACRST# (TP) SPICLK
SPICLK (TP)
SPIOUT (TP)
IC351 (17P)
CH3
SPIOUT
CH4
DACBLTH
CH1
Measurement Point
DLRCK
DLRCK (TP)
DDATAA (TP)
DBCLK (TP)
CH2
MUTEA# (TP)
DDATAA
CH3
DBCLK
CH4
MUTEA#
Measurement Point
CH1
DLRCK
DLRCK (TP)
DDATAB (TP)
DBCLK (TP)
CH2
MUTEB# (TP)
DDATAB
CH3
DBCLK
CH4
MUTEB#
MEP-7000
6
7
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
7
8
D
Play Start
E
F
Play Start
201
8
A
B
C