3-6
9. POWER AMP PART CHECK
YES
Refer
to
SMPS
troubleshooting
NO
P
790
5
pin3
:+
12V
pin13,14,15
:
34V
YES
Check
each
line
resistor
output
voltage
NO
YES
Check
each
input
IC
700
pin22,23,44
:+
12V
Replace
the
coil
NO
YES
Check
output
line
coil
POWER AMP PART CHECK
OK
YES
Check
each
IC
700
pin2
7
,2
6
,32,35,4
0
,41
input
voltage
YES
Check
PWM
modulator
input
each
pin
6
,
8
,1
6
,1
8
YES
P
O
W
E
R
output
IC
700
pin2
8
,31,3
6
,3
9
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 ...