Pioneer PRO-730HDI Service Manual page 46

1
WAVEFORMS and VOLTAGES
A
Note : The encircled numbers denote measuring point in the schematic diagram.
I
F 1/2 - 2/2
HDMI SERVICE ASSY
• Condition:
Analog Audio input : INPUT5and 6 are nothing
: INPUT5 Video ⇒ 720 x 480P RGB format • 100/0/100/0 color-bar • Digital Level =16-235
HDMI input
(to be based on CEA861-B)
: INPUT5 Audio ⇒ 1KHz sinwave • Digital Level = 0B (full scale)
: INPUT6 Video&Audio ⇒ nothing
Setteing menu : PURE DIGITAL ⇒ ON • PICTURE SELECT ⇒ COLOR3 • PICTURE SET UP ⇒ TYPE1 •
SOUND SELECT ⇒ Digital • (POWER MANAGEMENT ⇒ OFF)
Digital mluti-meter , AC120V
B
CN6004-pin 1 (DVIR)
27
-1
V: 200mV/div. H: 2msec/div.
CN6004-pin 9 (DVIV)
30
V: 2V/div. H: 2msec/div.
• V rate
27
-1
30
C
CN6004-pin 1 (DVIR)
27
-2
V: 200mV/div. H: 5µsec/div.
CN6004-pin 7 (DVIH)
31
V: 2V/div. H: 5µsec/div.
• H rate
27
-2
31
I
D
F 1/2 (
HDMI BLOCK)
IC6001 (24LC02B) IC6008 (24LC02B)
Voltage (V)
Pin Pin
1 0 1
2 0 2
3 0 3
4 0 4
5 5.0 5
6 5.0 6
7 5.0 7
E
8 5.0 8
Q6001 (SM6K2) Q6002 (SM6K2)
Voltage (V)
Pin Pin
1 - 1
2 3.3 2
3 - 3
4 - 4
5 3.3 5
6 - 6
F
46
1
2
CN6004-pin 3 (DVIG)
28
-1
V: 200mV/div. H: 2msec/div.
CN6004-pin 9 (DVIV)
30
V: 2V/div. H: 2msec/div.
• V rate
28
-1
30
GND
CN6004-pin 3 (DVIG)
28
-2
V: 200mV/div. H: 5µsec/div.
CN6004-pin 7 (DVIH)
31
V: 2V/div. H: 5µsec/div.
• H rate
28
-2
31
GND
Voltage (V)
0
0
0
0
4.9
4.9
4.9
4.9
Q6013 (SM6K2)
Voltage (V) Voltage (V)
Pin
3.3 1 3.3
3.3 2 3.3
5.0 3 4.9
3.3 4 3.3
3.3 5 3.3
5.0 6 4.9
PRO-730HDI
2
3
CN6004-pin 5 (DVIB)
29
-1
V: 200mV/div. H: 2msec/div.
CN6004-pin 9 (DVIV)
30
V: 2V/div. H: 2msec/div.
• V rate
29
-1
30
GND
CN6004-pin 5 (DVIB)
29
-2
V: 200mV/div. H: 5µsec/div.
CN6004-pin 7 (DVIH)
31
V: 2V/div. H: 5µsec/div.
• V rate
29
-2
31
GND
IC6006 (TC74HC126) IC6009 (SM5301BS)
Voltage (V) Voltage (V)
Pin Pin
1 0 1
2 3.3 2
3 3.3 3
4 0 4
5 0 5
6 3.0 6
7 0 7
8 3.0 8
9 3.0 9
10 3.3 10
11 3.3 11
12 3.3 12
13 3.3 13
14 3.3 14
15
3
4
GND
GND
Voltage (V)
Pin
2.6 16 0
5 17 1.6
0.2 18 5.0
NC 19 0
2.6 20 0.5
5.0 21 0.58
0.1 22 0
NC 23 0
0.1 24 5.0
0 25 2.5
1.6 26 5.0
5.0 27 0.1
0 28 NC
1.6 29 0
5.0 30 0
4