Waveforms - Pioneer DBR-TF100 Service Manual

1

3.9 WAVEFORMS

A
MAIN ASSY(1/2)
A
Measurement condition ;
Any Off-Air signal can be used.
Audio and Video waveform shown below results from using Colour Bar Video signal and
1kHz L, R Audio signal.
M1000 - pin 10,11 (IF_OP2,OP1)
1
V: 200mV/div. H: 1200nsec/div.
B
CK1000 - (V_RF3)
2
V: 500mV/div. H: 10µsec/div.
C
CK1001 - (A_RF3)
3
V: 200mV/div. H: 400µsec/div.
CK1002 - (XTAL)
4
V: 500mV/div. H: 20.0nsec/div.
D
CK1003 - (LOCK)
5
V: 2.0V/div. H: 20.0nsec/div.
E
F
24
1
2
Note : The encircled numbers denote measuring point in the schematic diagram.
TS1_9 - (AVVALID)
6
V: 2.0V/div. H: 2.0µsec/div.
GND
TS1_8 - (AVCLK)
7
V: 2.0V/div. H: 100nsec/div.
GND
TS1_0-TS1_7- (AVDAT0-7))
8
V: 2.0V/div. H: 200nsec/div.
GND
TS1_10 - (AVFSTART)
9
V: 2.0V/div. H: 100nsec/div.
GND
IC2001-pin 10 (27M)
10
V: 1.0V/div. H: 20.0nsec/div.
GND
DBR-TF100
2
3
CN2001,CK2002- (SCL1, SDAT1)
11 12
V: 1.0V/div. H: 100µsec/div.
GND
RAS for IC3000 - (VSD_RAS)
13
V: 1.0V/div. H: 20.0nsec/div.
GND
CAS for IC3000 - (VSD_CAS)
14
V: 1.0V/div. H: 20.0nsec/div.
GND
WE for IC3000 - (VSD_WE)
15
V: 1.0V/div. H: 20.0nsec/div.
GND
CS for IC3000 - (VSD_CS)
16
V: 1.0V/div. H: 10.0nsec/div.
GND
3
4
Clock for IC3000 - (VSD_CLK)
17
V: 1.0V/div. H: 2.0nsec/div.
SDAT1
GND
SCL1
GND
CE for IC3002 - (F_CE)
18
V: 1.0V/div. H: 100nsec/div.
GND
OE for IC3002 - (F_OE)
19
V: 1.0V/div. H: 100nsec/div.
GND
WE for IC3002 - (F_WE)
20
V: 1.0V/div. H: 100nsec/div.
GND
GND
4
GND
GND
GND
GND