RAM 2000 Service Manual - page 28
1
2
3
4
5
6
78
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
R95
10k
R83
10k
R96
10k
R73
10k
C61
100p/50V
C40
100p/50V
GsA
C24
10u/50V
C19
10u/50V
R1
10k
GsA
R47
47k
GsA
+1
5
Q143
PZT
2222A
Q132
PZT
2907A
R437
75R
R450
75R
R439
4R7/1W
R442
22R/1W
C196
470p/50V
C201
470p/50V
G1A
C202
33n/100V
R452
100k
R432
330R
R428
2k49
R427
100k
R426
33k
R448
220R
R449
10R/1W
R8
0R33/4W
R9
0R33/4W
C203
10u/35V
D101
BA
S85
D103
1N4148
D116
1N4148
D107
M
U
RS160T
3
D113
MURS160T3
Q146
MMB
TA1
3
Q145
5401
Q14
M
JE15033
Q9
MJW21195
Q10
MJW21195
G1A
R420
39k
R422
2k
R404
330R
R402
2k49
R417
220R
R423
10R/1W
R5
0R33/4W
R7
0R33/4W
R401
100k
R397
33k
C191
10u/35V
D92
M
U
RS160T
3
D90
1N4148
D94
1N4148
D98
MURS160T3
Q133
MMB
TA6
3
Q2
M
JE15032
Q3
MJW21196
Q5
MJW21196
Q134
5551
D83
BA
S85
Q12
IRFI1310N
R387
15k
R389
47R
R373
10k
R372
3k92
R365
2k
R364
10k
R358
47k
R374
47k
R336
100k
R351
47k
R337
10k
Q125
5551
Q123
5551
Q115
5551
Q122
5401
Q124
5401
D80
15V
D59
12V
D75
1N4148
D74
1N4148
D70
1N4148
D67
1N4148
D63
1N4148
D58
1N4148
D64
1N4148
C184
22u/16V
C182
27p/100V
C167
1n/100V
+V
2A
C
+V
1A
C
Q6
IRFI1310N
Q129
5551
Q128
5551
Q127
5551
Q126
5401
R395
15k
R380
47R
R386
7k5
R400
3k92
R394
10k
R392
10k
R391 47k
R393 47k
R388
47k
R385
10k
D76
12V
D86
15V
D85
12V
D73
1N4148
D72
1N4148
D71
1N4148
D81
1N4148
D79
1N4148
C185
22u/16V
C176
27p/100V
C183
1n/100V
Q130
5401
R390
NC
-V
1A
C
R451
1R/1W
R425
1R/1W
D95
FFPF30U60S
D114
FFPF30U60S
C207
100n/100V
C195
100n/100V
3
2
1
8
4
U7A
5532
OUT
A
C177
47u/16V
G1A
D115
1N4148
R382
3k01
R399
12k
RV
2
500R
R383
20k
+1
5
R398
620R
D82
1N4148
D77
1N4148
R381
20k
-15
C188
100p/50V
Q150
MMB
TA4
2
Q140
MMB
TA9
2
R421
12k
M+
Q8
M
JF18004
R446
100R
C206
100n/100V
G1A
+1
5
R447
2k
R441
39k
C204
2n2/100V
Q147
5401
R10
0R33/4W
Q11
MJW21195
Q1
MJF18004
R409
100R
C192
100n/100V
G1A
-15
R407
100k
G1A
C194
2n2/100V
Q135
5551
R6
0R33/4W
Q4
MJW21196
1
2
J2
4
IN.
A
C38
100n/100V
C35
220n/50V
C39
100n/100V
5
6
7
U7B
5532
R56
47k
GsA
R109
NC
R94 1k5
GsA
R82
1k5
C43
470p/50V
R64
15k
NTC Sense
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J1
9
Ad
ap
t O
ut
+1
5
-15
G15
Gadap
CLIP_INA
TE
MP
_IN
A
TE
MP
_A
IN
A
IOUT
+A
IOUT
-A
OUT
A
1 2
3
J1
4
Ad
ap
t I
n 4
1 2
3
J1
3
Ad
ap
t I
n 1
1
2 3
J7
Ad
ap
t I
n 3
1 2
J1
0
Ad
ap
t I
n 2
OUT
A
OUT
A
IOUT
+A
IOUT
-A
TE
MP
_A
IN
A
S4B
GA
B
R93 475R
26dB
32dB
38dB
R42
20k
C44
100p/50V
GsA
3
2
1
8
4
U5A
5532
R84
4k7
GsA
R97
1k5
C47
100u/16V
R85
1k
C57
470p/50V
R118
12k
R101
100R
GA
R100
100R
GA
R99
39k
+1
5
R66
15k
C36
10p/100V
5
6
7
U5B
5532
R48
15k
GsA
C52
22p/50V
R126
3k3
+1
5
Q64
5551
Q60
5401
R67
7k5
R59
1k
GA
C54
470p/50V
Q58
5551
Q57
5551
R49
1k5
R58
1k5
-15
Q65
5401
D1D
LEDA
R117
20k
R98
390k
C46
10u/35V
-15
8
9
S6H
SWA
B
7
10
S6G
SWA
B
6
11
S6F
SWA
B
FBKA
LIM
A
ERRORA
3
2
1
8
4
U6A
LM
393
R74
10k
+1
5
R68
4k7
R87
1k5
D1B
LEDA
GA
R102
10k
D9
1N4148
C30
100n/100V
GA
5
6
7
U6B
LM
393
R61
2k
R70
4k7
R128
47k
R127
15k
Gadap
ERRORA
R57
300k
OUT
A
TE
MP
_IN
A
R116
3k3
C55
10u/16V
R55
470k
R108
75k
GA
-15
Q63
5401
R72
1k5
C42
10u/16V
GA
D1A
LEDA
GA
R32
3k3
+15U1
-15U1
+15U2
-15U2
+1
5
R123
100R
C64
47u/16V
-15
R65
100R
C51
47u/16V
GA
+15U1
-15U1
+1
5
R110
100R
C45
47u/16V
-15
R31
100R
C27
47u/16V
GA
+15U2
-15U2
C48
10u/35V
C29
10u/35V
GA
GA
+1
5
-15
R178
10k
Q80
5551
-15
R196
10k
+1
5
SIGNA
L_INA
SIGNA
L_INA
Q67
5551
R75
47k
-15
+1
5
R43
3k3
GA
R60
82k5
+1
5
BRIDGEA
+V
3A
C
Gadap
Gadap
VR
AI
L
_A
V
OUT
_A
IOUT
_A
TE
MP
A_
A
CLIP_A
SIGNA
L_A
TE
MP
_A
INA-
INA+
t
RT1 NTC 10k
G1A
M-
MA
R69
1M
RM
SLim
LIM
A
D1C
LEDC
M+
D7
1N4148
R44
20k
GA
Q61
5551
GA
R50
47k
R89
10k
Q69
5401
R71
100k
+1
5
R113
3k92
-15
R137
39k
D24
1N4148
R88
1M
-15
D13
1N4148
Q72
M
PSA
13
+1
5
D23
1N4148
R112
100k
-15
D15
1N4148
Q66
M
PSA
13
+1
5
R121
2k7
D16
1N4148
D20
1N4148
LIM
A
MS
A
MA
GsA
MS
A
+1
5
LIM
A
CLIP_INA
R111
100R
R86
475R
R119
47k
Q71
5401
Q74
M
PSA
13
R125
100k
GA
R124
680R
GA
+1
5
D17
1N4148
C28
100p/50V
C31
100u/16V
3
2
4
8
5
1
7
11
6
U8A
LM
13700M
-15OTA1
+15OTA1
+1
5
R135
100R
C56
47u/16V
-15
R120
100R
C72
47u/16V
GB
+15OT
A
1
-15OT
A
1
T1
A
T2
A
T3
A
T4
A
T5
A
T6
A
T7
A
T8
A
T9
A
T
10A
T
11A
T
12A
T
14A
T
15A
T
16A
T
18A
T
19A
T
20A
T
21A
T
22A
T
24A
C181
100p/100V
C180
100p/100V
R46
4k7
GA
B
C
E
Q59
SST
111
+1
5
R103
3k3
C25
nc
C26
nc
C53
nc
R104
47k
LIM
A
2
LIM
A
2
-15
GA
C62
470n/50V
RAM Audio - S Series
S
6
004 - S
6044
Channel A
S
chemat
ic
Sh
eet 2 of 7
DW
G No: Ch
an
ne
l A.Sch
DRAW
N
DESI
G
N
REPL
ACE
REPL
. BY
Q7
IRFI1310N
Q139
5551
Q138
5551
Q137
5551
Q136
5401
R419
15k
R405
47R
R411
7k5
R418
3k92
R412
10k
R416
10k
R414
100k
R415
100k
R413
47k
R410
10k
D93
15V
D100
15V
D99
12V
D91
1N4148
D88
1N4148
D87
1N4148
D97
1N4148
D96
1N4148
C193
22u/16V
C186
27p/100V
C187
1n/100V
Q141
5401
R424
NC
R406
1R/1W
D89
FFPF30U60S
C189
100n/100V
OUT
A
C190
100p/100V
-V
3A
C
-V
2A
C
Q13
IRFI1310N
R431
15k
R445
47R
R444
10k
R443
3k92
R440
2k
R438
10k
R434 100k
R435
47k
R429
100k
R433 100k
R430
10k
Q144
5551
Q149
5551
Q142
5551
Q151
5401
Q148
5401
D112
15V
D105
15V
D106
1N4148
D117
1N4148
D111
1N4148
D109
1N4148
D108
1N4148
D104
1N4148
D110
1N4148
C205
22u/16V
C197
27p/100V
C199
1n/100V
+V
3A
C
+V
2A
C
R436
1R/1W
D102
FFPF30U60S
C200
100n/100V
C198
100p/100V
OUT
A
+V
3A
C
Q131
MMB
TA9
2
R408
100R
R718
475R