54
KRP-M01
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Yes
N
o
Yes
Yes
N
o
Has the sound of the Analog
broadcasting output?
Is a SIF signal input to IC5801?
(pin 68)
Check the communications around the IC5801 and between the IC5801 and the microcomputer.
If there was no problem, replace the IC5801 (MSP), then check again.
Check the communications around the IC4901 (HDMI RX).
If there was no problem, replace the MAI
N
BLOCK Assy.
Check the communications around the IC5801 and between the IC5801 and the microcomputer.
If there was no problem, replace the IC5801 (MSP), then check again.
Check the communications between the U5301 (FRO
N
TE
N
D) and the
microcomputer and between the U5301 and IC5801. If there was no
problem, replace the U5301 (FRO
N
TE
N
D), then check again.
Yes
N
o
N
o
Has the sound of the Digital
broadcasting output?
Has the sound of the HDMI
output?
Yes
Yes
Yes
N
o
N
o
Yes
Yes
N
o
Has the sound of the I
N
PUT 1, 3
(SCART) output?
Is a SPDIF signal input to IC5801
(MSP)? (pin 4)
Is a I2S signal input to IC5801
(MSP)?
(pins 100 to 102)
Yes
Yes
Is a SPDIF signal output from
IC4901 (HDMI RX)? (pin 78)
Check the communications around the
IC5801 and between the IC5801 and
the microcomputer. If there was no
problem, replace the IC5801 (MSP),
then check again.
Is a signal output from IC6001
(BCM7404) of the MAI
N
BLOCK
Assy?
N
o Repare the DTB block or
replace the MAI
N
BLOCK Assy.
Check around IC6001 (BCM7404)
and repair the failure points, then check again.
Check the circuits between JA7502 (SCART) and IC5801.
If there was no problem, replace the MAI
N
BLOCK Assy.
Check the FFC (J203) between the MAI
N
BLOCK and REAR_IO Assy.
If there was no problem, replace the REAR_IO Assy.
Check the FFC (J201) between the MAI
N
BLOCK and FRO
N
T_IO Assy.
If there was no problem, replace the FRO
N
T_IO Assy.
Yes
Yes
N
o
Is a signal input to IC5801?
(pins 24, 25, 36, 37)
Check the communications around the IC5801 and between the IC5801 and the
microcomputer. If there was no problem, replace the IC5801 (MSP), then check again.
Check the communications around the IC5801 and between the IC5801 and the
microcomputer. If there was no problem, replace the IC5801 (MSP), then check again.
Check the communications around the IC5801 and between the IC5801 and the
microcomputer. If there was no problem, replace the IC5801 (MSP), then check again.
N
o
Is a signal input to IC5801 (MSP)?
(pins 26, 27, 34, 35)
A
N
o
Has the sound of I
N
PUT 2
(SCART, RCA) output?
50
51
52
52
49
Yes
N
o
Is a signal input to IC5801 (MSP)?
(pins 30, 31)
N
o
Has the sound of I
N
PUT 5, PC
(RCA) output?
52
4
8
N
o
Check that the HDMI switch of the
ME
N
U is properly set.
Set a ME
N
U definitely, then check
again.
Check the FFC (J101) between MAI
N
BLOCK and FRO
N
T_HDM
_USB Assys. If there was no problem, replace the FRO
N
T_HDM
_USB Assy.
Check the circuits between IC5001 (HDMI S
W
) and IC4901
(HDMI RX). If there was no problem, replace the MAI
N
BLOCK Assy.
I
N
PUT_5
N
o
I
N
PUT_1, 3, 4
N
o
Содержание krp-m01
Страница 8: ...8 KRP M01 1 2 3 4 A B C D E F 1 2 3 4 2 3 PANEL FACILITIES ...
Страница 9: ...9 KRP M01 5 6 7 8 5 6 7 8 A B C D E F Remote Control Unit ...
Страница 14: ...14 KRP M01 1 2 3 4 A B C D E F 1 2 3 4 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM ...
Страница 121: ...121 KRP M01 5 6 7 8 5 6 7 8 A B C D E F ...