RAM Trucks 1500, Service Manual, Page: 14 / 46

1
2
3
4
5
6
78
A B C D
8
7
6
5
4
3
2
1
D C B A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J2
3
Et
he
R
A
M
I
N
Gs
A
Gs
B
Gs
C
Gs
D
G15
+15
-15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
J2
9
E
theRAM Signals
LST
B
Y
1 2 3 4 5 6 7 8 9
J3
4
Cinta
FB
K
A
FB
K
B
FB
K
C
FB
K
D
+15
-15
+5
G5
1 2 3 4
J3
7
Cinta
DCS
R529 10k
Q181 5551 Q187 5401
G
R528 47k
Q180 5551
R536 1k
+RM
M+ M-
Q186 5401
R530 1k
R526 47k
-RM
R713 47k
Q251 5401
G
C305
33u/16V
G
R709 1M
R712 47k
R704 300k
D284 5V1
Q253 5401
G
+15
RMS
L
im
R375
33k
R669
33k
R376
33k
R674
33k
OUT
A
OUT
B
OUT
C
OUT
D
R695 100k
G
C298 100u/10V
G
D279
1N4148
D277
1N4148
R705 10k
R710 20k
R697 150k
5 6
7
U25B L
M
393
G
C309 1n/100V
R711 10k
G
+15
R696 1k5
DCS
1
2
3
4
J1 D XL
R F
1
2
3
4
J2 C XL
R F
1
2
3
4
J3 B XL
R F
1
2
3
4
J4 A XL
R F
S1 PA
R
A
L
1
2
3
4
5
6
7
8
J5 CON8
S2 PA
R
A
L
S3 PA
R
A
L
D5A ST
B
Y
+
O
N
VOUT
_A
IOUT
_A
TE
M
P
A
_A
CL
IP
_A
SIGNAL
_A
TE
M
P
_A
VOUT
_B
IOUT
_B
TE
M
P
A
_B
VOUT
_C
IOUT
_C
TE
M
P
A
_C
VOUT
_D
IOUT
_D
TE
M
P
A
_D
CL
IP
_B
SIGNAL
_B
TE
M
P
_B
CL
IP
_C
SIGNAL
_C
TE
M
P
_C
CL
IP
_D
SIGNAL
_D
TE
M
P
_D
R701 330R
G
R700 3k92
D5D ST
B
Y
+
O
N
G
INA+
INA-
INB+
INB-
INC+
IND-
INC-
IND+
1
2
J6 FAST
ON
+15
C301 100u/10V
R694 100k
D176 1N4148
D282 1N4148
G5
+5
15AC
15AC
D275 1N4148
G
D172 1N4148
G
C4
10u/100V
+V2AC
+V1AC
-V2AC
-V1AC
R715 1k
C311 470n/50V
-15
VRAIL
_A
1
2
J2
5
FAST
ON
G
G1A
G1B
G1C
G1D
Gs
A
Gs
B
Gs
C
Gs
D
GA
GB
GC
GD
GADAP
G15
T3
2
T3
3
T3
4
T3
6
T3
7
+V1BD
-V1BD
+V1AC
-V1AC
D169 1N4148 D173 1N4148
D170 1N4148 D178 1N4148
+RM -RM
T3
8
R703 47k
T1
3
D283 1N4148
C302
470n/50V
RAM Audio - S Series
S3004 -
S4004-
S4044
Inputs
, pr
otec
tions
& fans
S
heet 6 of
8
DW
G No: Com
un.Sch
DRAW
N
DESIGN REPLACE REPL. BY
C5
10u/100V
C7
10u/100V
C6
10u/100V
+5
G5
C9
10u/100V
+V2BD
+V1BD
-V2BD
-V1BD
C11
10u/100V
C12
10u/100V
C13
10u/100V
R537 100k
R692 100k
G
C304 100u/10V
G
C307 100u/10V
R693 100k
D280
1N4148
D276
1N4148
C312
-
T1
5
R716 10k
G
G5
1 2 3 4 5 6
J3
5
JS
T
+V2AC
-V2AC -V1AC
+V1AC
OUT
C
OUT
A
1 2 3 4 5 6
J3
6
JS
T
+V2BD +V1BD
-V1BD -V2BD
OUT
D
OUT
B
R336 7k5
R358 14k
-15
R351 100k
D59
5V1
D58
12V
3 2
1
8 4
U25A L
M
393
R365 100R
G
C3
100n/100V
R364 1k
R372 2k
Q6 5401
R380
10R
C14
47u/16V
R337 4k7
R374 100k
R373
7k5
R385 4R7
+15
Q12
MJ
D350
L3 100uH
C15
10u/35V
L5 100uH
1 2
J3
8
24V DC FAN1
L2 100uH
C16
10u/35V
L4 100uH
-15
1 2
J3
9
24V DC FAN2
C306 47u/16V
C308
47u/16V
G G
-15
+15
Q20
MJ
D350
R386 4R7
T3
1
NT
C Se
ns
e
Q249 5401
R698 1k
+15
G
T3
0
R690
100k
C303
1n/100V
C8
10u/100V
C182 10u/100V
C10
10u/100V
C183
10u/100V