3-7
10. AUX FUNCTION PART CHECK
OK
Check
IC2
00
(BU4
0
52)
pin3,13
each
function
output
Check
IC
80
1
(MC45
80
)
pin1,
7
output
Check
IC2
0
1
(A
K
535
8
)
pin1,2
input
Check
IC2
0
1
(A
K
535
8
)
pin
9
data
output
FUNCTION CHECK
E
ach
function
(tuner/tape/portable)
output
to
IC2
00
(BU4
0
52)
input
:
L/R
_
C
H
Check
P
7
5
0
1
pin
6
(L-C
H
),
pin
8
(D-C
H
)
Check
IC
80
1
(MC45
80
)
pin4
:
-12V
pin
8:+
12V
Check
IC2
0
1
pin
6:+
12V
pin
7:+
3.3V
Refer
to
SMPS
troubleshooting
Check
P2
0
1
connection
Check
IC5
0
1(
E
S
8
3
90
)
pin55
input
data
Check
IC5
0
1(
E
S
8
3
90
)
output
data
Check
C
N
2
0
2
pin4,5
:+
5V
pin11,12
: +
3.3V
Check
IC2
0
1
pin13
:
RST,
pin11
:
MCL
K
,
pin
9:
DATA
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
Check
IC2
00
(BU4
0
52)
pin
7:
-12V
pin1
6:+
12V
E
ach
function
output
line
check
Check
P
790
5
connection
after
replace
IC2
00
YES
NO
NO
NO
NO
Summary of Contents for x-rsm400dvh
Page 4: ...SECTION 5 DIAGNOSIS CONNECTION 5 1 1 1 ...
Page 11: ...1 8 ...
Page 21: ...2 12 ...
Page 45: ...3 24 ...
Page 59: ...3 51 3 52 PRINTED CIRCUIT BOARD DIARGAMS 1 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Page 60: ...1 2 MAIN P C BOARD DIAGRAM BOTTOM VIEW 3 53 3 54 ...
Page 61: ...3 55 3 56 2 1 DVD P C BOARD DIAGRAM TOP VIEW ...
Page 62: ...2 2 DVD P C BOARD DIAGRAM BOTTOM VIEW 3 57 3 58 ...
Page 65: ...3 63 3 64 ...