35
VSX-1020-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Step 5-2: Component IN, HDMI OUT (at 480i)
Q
P
Step 6: HDMI OUT
C
N
1254 (Pin 16)
Is there a
luminance
signal?
N
o
Yes
A_
VV
YI
N
Check C
N
1254 and diagnose
the COMPO
N
E
N
T Assy.
IC1701 (Pin 36) (side B)
Are there
color and luminance
signals?
N
o
Yes
A_
VV
YI
N
Check the soldering between
IC1701 and C
N
1254 and its
peripheral circuits.
IC1701 (Pins 2,5-8,59-62,
64),R1706 (side B)
Are the
signals output?
N
o
Yes
Q** RXHSY
N
C, RX
V
SY
N
C,
RXOCLK
Check IC1701 and its peripheral
circuits.
IC1805 (Pins 3-9),
IC1806 (Pin 4) (side B)
Perform the same check items up to those
for IC1805 and IC1806 of Step 7.
Are the
signals output?
N
o
Yes
Q16-23
V
ICLK
Check IC1805, IC1806 and its
peripheral circuits.
C
To Step 7
C
IC1801 (Pins 11-13),
IC1802, IC1803 (Pins 11-18),
IC1804 (Pin 4) (side B)
Are the
signals output?
N
o
Yes
PHSY
N
C, P
V
SY
N
C, PDE
P**
PCLK
Check IC1801 to IC1804 and its
peripheral circuits.
IC800 (through hole)
(Pins E13,D13,E12,D12,E11,
D11,E10,D10,D15) (side B)
Are there
signals?
N
o
Yes
V
ID0-7,
V
ICLK
Check IC1805 and IC1806 and its
peripheral circuits.
Check the soldering.
Check IC800 and its peripheral
circuits. Check the soldering.
R872-R875,R878,R879,
R884-R887
Is there a
signal?
N
o
Yes
V
OD,
V
OCLK
Replace the D-MAI
N
Assy.
To Step 6
B
Summary of Contents for VSX-1020-K
Page 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 ...
Page 8: ...8 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 Display ...
Page 9: ...9 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F Remote control ...
Page 10: ...10 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 Rear panel ...
Page 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 ...
Page 17: ...17 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 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 ...
Page 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 ...
Page 24: ...24 VSX 1020 K 1 2 3 4 A B C D E F 1 2 3 4 ...
Page 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 ...
Page 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 ...
Page 113: ...113 VSX 1020 K 5 6 7 8 5 6 7 8 A B C D E F J SIDE B CN5001 CP11 ...