Pioneer krp-m01 Service Manual page 54

1
A
A
Has the sound of the Analog
broadcasting output?
Yes
Has the sound of the Digital
broadcasting output?
B
Yes
Has the sound of the HDMI
output?
Yes
C
D
Has the sound of the INPUT 1, 3
(SCART) output?
Yes
Has the sound of INPUT 2
(SCART, RCA) output?
Yes
E
Has the sound of INPUT 5, PC
(RCA) output?
F
54
1
2
No
Is a SIF signal input to IC5801?
(pin 68)
Yes
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 I2S signal input to IC5801
No
(MSP)?
(pins 100 to 102)
48 49
Yes
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.
No Check that the HDMI switch of the
MENU is properly set.
Yes
Is a SPDIF signal output from
IC4901 (HDMI RX)? (pin 78)
Yes
Is a SPDIF signal input to IC5801
(MSP)? (pin 4)
Yes
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.
No
Is a signal input to IC5801?
(pins 24, 25, 36, 37)
Yes
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.
No
Is a signal input to IC5801 (MSP)?
(pins 26, 27, 34, 35)
Yes
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 input to IC5801 (MSP)?
No
(pins 30, 31)
Yes
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.
KRP-M01
2
3
Check the communications between the U5301 (FRONTEND) and the
No
microcomputer and between the U5301 and IC5801. If there was no
problem, replace the U5301 (FRONTEND), then check again.
Is a signal output from IC6001
No
(BCM7404) of the MAIN BLOCK
Assy?
50
Yes
Check around IC6001 (BCM7404)
and repair the failure points, then check again.
No Set a MENU definitely, then check
again.
INPUT_1, 3, 4 No
Check the circuits between IC5001 (HDMI SW) and IC4901
(HDMI RX). If there was no problem, replace the MAIN BLOCK Assy.
51
Check the FFC (J101) between MAIN BLOCK and FRONT_HDM
INPUT_5 No
_USB Assys. If there was no problem, replace the FRONT_HDM
_USB Assy.
No
Check the communications around the IC4901 (HDMI RX).
If there was no problem, replace the MAIN BLOCK Assy.
No Check the circuits between JA7502 (SCART) and IC5801.
If there was no problem, replace the MAIN BLOCK Assy.
52
Check the FFC (J203) between the MAIN BLOCK and REAR_IO Assy.
No
If there was no problem, replace the REAR_IO Assy.
52
Check the FFC (J201) between the MAIN BLOCK and FRONT_IO Assy.
No
If there was no problem, replace the FRONT_IO Assy.
52
3
4
No Repare the DTB block or
replace the MAIN BLOCK Assy.
4