Pioneer VSX-LX50, Руководство по обслуживанию

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VSX-LX50
56
1 2 3 4
1 2 3 4
C
D
F
A
B
E
D
Yes
Yes
VSYNC
Check the parts and patterns in
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
VSYNC
H-1
No
Step 2-7: A U DI O CL O CK, DA T A
Does
a VSYNC output
in constant period
?
Yes
HSYNC
Check the parts and patterns in
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
HSYNC
H-2
No
Does
a HSYNC output
in constant period
?
Yes
DE
Check the parts and patterns in
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
DE
H-3
No
Does
a DE output
in constant period
?
Yes
Diagnose the DSP Assy.
No
MCKI
CN1001 (Pin 20)
O
Is there a clock?
No Check the parts and patterns in
the path (CN1001 to IC202).
(a): HDMI HDMI
(b): ANALOG HDMI(THROUGH MODE)
(b)
Yes
Diagnose the DSP Assy.
No
BCKI
CN1001 (Pin 26)
O
Is there a clock?
No Check the parts and patterns in
the path (CN1001 to IC202).
(b)
Yes
Diagnose the DSP Assy.
No
LRCKI
CN1001 (Pin 27)
O
Is there a clock?
No Check the parts and patterns in
the path (CN1001 to IC202).
(b)
Yes
XBAOUT
IC202 (Pins 1,4,10,13)
M-2
No
(b)
Diagnose the DSP Assy.
No
DATAI
CN1001 (Pin 18)
O
Is there a data?
No Check the parts and patterns in
the path (CN1001 to IC202).
(b)
Is the voltage
"L" (0 V)?
Check the parts and patterns in
the path (IC501 to IC202).
If IC501 is failure, replace IC501.
Yes
SPDIF IC201 (Pin 9)
J
No
Is there a SPDIF?
Check the parts and patterns in
the path (IC101 to IC201, IC301).
If IC101 is failure, replace IC101.
Yes
MCLK
I
No
(a)(b)
(a)
Check the parts and patterns in
the path (IC101 to IC201, IC202
and IC301).
If IC101 is failure, replace IC101.
IC201 (Pin 2)
Yes
SCK(BCK) IC201 (Pin 3)
K-1
No
Is there a clock?
Check the parts and patterns in
the path (IC101 to IC201, IC202
and IC301).
If IC101 is failure, replace IC101.
(a)(b)
Yes
WS(LRCK) IC201 (Pin 4)
K-2
No
Is there a clock?
Check the parts and patterns in
the path (IC101 to IC201, IC202
and IC301).
If IC101 is failure, replace IC101.
(a)(b)
Yes
SD0(DATA)
IC201 (Pin 5)
L-1
No
Is there a data?
Check the parts and patterns in
the path (IC101 to IC201, IC202
and IC301).
If IC101 is failure, replace IC101.
(a)(b)
SD1(DATA)
E
Yes
IC201 (Pin 6)
L-2
No
Is there a data?
Check the parts and patterns in
the path (IC101 to IC201, IC301).
If IC101 is failure, replace IC101.
(a)
Is there a clock?