33
VSX-1020-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
To Step 4-2
JA9000 (Pin 18)
Is the voltage
around 5
V
?
N
o
Yes
+5
V
Check IC9001 and its peripheral
circuits.
JA9000 (Pin 19)
Is the voltage
around 5
V
?
N
o
Yes
Hot plug detect
Check the sync equipment.
IC1800
IC9000
JA9000 (OUT 1)
(Pins 1,3,4,6,7,9,10,12)
Is there
0.5
V
p-p in CLK
and DATA?
N
o
Yes
TMDS signal
V
ideo Scalar IC
HDMI Tx IC
Check the soldering of JA9000
and IC9000, and its peripheral
circuits.
N
G
Check IC1501 and its
peripheral circuits.
J
K
L
M
Step 4-2: BD IN
To Step 4-3
JA9551 (Pin 18)
Is the voltage
around 5
V
?
N
o
Yes
+5
V
Check the soldering of JA9551.
Check the source equipment
connected in JA9551.
IC1501
Is the voltage
around 5
V
?
N
o
HDMI Rx IC
Check IC1601 and its peripheral
circuits.
JA9551 (Pins 15,16)
Does
a signal output in
constant period
?
N
o
Yes
Yes
DDC (SDA/SCL)
JA9551 (Pin 19)
Hot plug detect
Check the soldering of JA9551
and the path.
IC1601 (Pins 67,68,
70,71,73,74,76,77)
Is there
0.5
V
p-p in CLK
and DATA?
N
o
Yes
TMDS signal
JA9551
(Pins 1,3,4,6,7,9,10,12)
TMDS signal
Check IC1601 and its peripheral
circuits.
Is there
0.5
V
p-p in CLK
and DATA?
N
o
Yes
Check the soldering of JA9551
and the path.
N
I
B
A
A
A
IC1807,IC1808(side B),IC1809,
IC1810(side B),IC1811(side B)
(Pins 11-17)
Are signals
output?
N
o
Yes
P** HSY
N
C
V
SY
N
C
PDE, PDCLK
Check IC1807-IC1811 and its
peripheral circuits.
Whole
diagram
HDMI OUT
Содержание VSX-1020-K
Страница 7: ...7 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F 2 2 PANEL FACILITIES Front panel ...
Страница 8: ...8 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 Display ...
Страница 9: ...9 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F Remote control ...
Страница 10: ...10 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 Rear panel ...
Страница 16: ...16 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 4 2 DIGITAL AUDIO BLOCK DIAGRAM N D MAIN ASSY ...
Страница 17: ...17 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 19: ...19 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F 4 4 DIGITAL VIDEO BLOCK DIAGRAM N D MAIN ASSY ...
Страница 20: ...20 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 4 5 ANALOG VIDEO BLOCK DIAGRAM B COMPONENT ASSY E F VIDE ...
Страница 21: ...21 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F C COMPOSITE ASSY E F VIDEO ASSY ...
Страница 23: ...23 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F O MAIN ASSY J AMP ASSY L HEADPHONE ASSY G F HDMI ASSY K DISPLAY ASSY ...
Страница 24: ...24 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 ...
Страница 61: ...61 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F A J CN5001 F CN7615 O JP4001 F CN7613 D CN3652 Audio Signal Route ...
Страница 67: ...67 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F G K CP3002 2 259 N 5 12 CN1601 ...
Страница 71: ...71 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F M K M POWER SW ASSY 7028069222010 IL N 3 12 CN1405 O CN55 G CN3005 ...
Страница 112: ...112 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 J J AMP ASSY SIDE B CP11 CP10 ...
Страница 113: ...113 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F J SIDE B CN5001 CP11 ...