55
KRP-500P
5
6
7
8
5
6
7
8
A
B
C
D
E
F
[6] AUDIO SYSTEM
N
o
N
o
Yes
N
o
Sound has been emitted from
the speakers.
Yes
Check the speakers and speaker
cables. Is it no problem?
=> PA1
Is sound muting set?
Is the volume set to 0?
Is not headphone inserted?
N
o
Pull out headphone, then check
again.
Replace the speakers or speaker
cables.
Replace the speakers or speaker
cables.
Cancel muting, then check again.
Yes
Yes
Raise the volume, then check again.
Yes
N
o
N
o
Is not a signal output from speaker
terminals?
Yes
Check the IC8341 and peripheral circuit.
Repair the failure points or replace the AUDIO Assy.
N
o
Is not a P
W
M signal output from
IC8401?
(pins 34, 38, 46, 50)
Yes
Flowchart of Failure Analysis for The Audio System
1
2
3
4
Are the C
N
8301 and C
N
8302
connectors securely connected?
Securely connect the connectors.
Replace the AUDIO Assy.
N
o
Is not a P
W
M signal output from
IC8341?
(pins 40 to 43)
Yes
5
6
Replace the AUDIO Assy.
Replace the MAI
N
Assy.
N
o
Is not a I2S signal output from
IC5001?
(pins 18 to 21)
Yes
7
8
1
2
5
6
3
7
4
8
JA
8
551 - pins 1, 2
V
: 2
V
/div H: 1 mS/div
IC
8
341 - pins 40, 41
V
: 2
V
/div H: 5
μ
S/div
JA
8
551 - pins 3, 4
V
: 2
V
/div H: 1 mS/div
IC
8
341 - pins 42, 43
V
: 2
V
/div H: 5
μ
S/div
IC
8
401 - pins 34, 3
8
V
: 10
V
/div H: 5
μ
S/div
IC5001 - pins 1
8
, 19
V
: 2
V
/div H: 5
μ
S/div
IC
8
401 - pins 46, 50
V
: 10
V
/div H: 5
μ
S/div
IC5001 - pins 20, 21
V
: 2
V
/div H: 200 nS/div
Waveforms
Input signal: L/R 1 kHz, 0.5
V
rms (
V
OL 30)
Содержание KURO KRP-500P
Страница 11: ...11 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F 2 3 PANEL FACILITIES WYSIXK5 and WYS5 types only LFT and WA5 types ...
Страница 12: ...12 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 Remote Control Unit for WYSIXK5 and WYS5 types ...
Страница 13: ...13 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F Remote Control Unit for LFT type ...
Страница 14: ...14 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 Remote Control Unit for WA5 type ...
Страница 19: ...19 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 20: ...20 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Страница 22: ...22 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Страница 23: ...23 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F OVERALL DIAGRAM KRP 500P ...
Страница 139: ...139 KRP 500P 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 148: ...148 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 9 5 REAR SECTION POWER SUPPLY P8 Refer to 9 6 FRONT SECTION ...
Страница 156: ...156 KRP 500P 1 2 3 4 A B C D E F 1 2 3 4 9 9 PANEL CHASSIS SECTION ...
