11-7
11-7
POWER 5-VA L/R AMPLIFIER BOARD
SPEAKER CLICKFIT
L
R
DC
ab
HST1
SAT
SUPPLY
GND
-VL
-VH
GND
GND
GROUND
-R
+R
-L
+L
+VH
+VL
L
R
AMP
OFF
7324 K 7
7323 K 7
6360 C12
6339 K 5
6337 J 3
6334 G14
6333 G14
6330 I13
6329 A13
6328 I13
6327 A13
6326 I12
6325 B12
5324 F14
5323 D14
5322 F14
5321 D14
3388 G17
3389 F13
3387 E17
3386 C13
3385 D12
3384 H14
3383 H15
3370 D17
3369 D18
3368 H14
3367 H15
3366 F13
3365 D13
3364 E14
3363 D14
3358 G 5
3356 I12
3355 C12
3353 K 5
3352 J 3
3351 J 4
3350 K 5
3348 G 4
3347 G 3
3346 H 3
3345 G 2
3342 K 5
3341 K 8
3344 K 5
3343 K 9
3338 K 6
3337 K 8
3336 K 6
3335 K 8
3334 J11
3333 A 8
3332 H 6
3331 C 6
3330 G 5
3329 E 5
3328 F 5
3327 D 5
3326 F 4
3325 D 4
3324 G 4
3323 F 3
3322 F 2
3321 D 2
3 A16
2366 C12
2365 K 4
2364 J10
2369 I9
2368 I8
2367 B8
2363 A 7
2356 G18
2355 E18
2354 F14
2353 E14
2352 H 5
2351 J10
2350 A 7
2349 J11
2348 A10
2347 I11
2346 B10
2345 J10
2344 A 8
2343 K 3
2342 K 6
2341 K 7
2338 H 6
2337 B 6
2336 H 6
2335 B 6
2334 G 5
2333 E 5
2331 E 3
2330 F 6
2329 D 6
2328 G 6
2327 E 6
2326 F 5
2325 D 5
2324 F 4
2323 D 4
2322 H 6
2321 B 6
1328 G18
1325 D 1
1321 D18
9359 G15
9358 G14
9331 D12
9329 I12
9330 F12
9328 K10
9327 K 9
9326 J 6
9325 J 6
9324 J 6
9323 A12
9322 F 2
9321 D 2
7350 K 4
7329 C 6
7327 J 4
7326 G 4
7325 H 4
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
3
I
H
G
F
L
E
D
C
B
A
K
J
I
H
G
F
L
E
D
C
B
A
K
J
4
5
6
1
7
8
9
10
11
12
13
14
15
16
17
2
18
19
3
10k
3388
10k
3387
3384
3383
4R7
3364
100k
3352
100k
3351
1k
3350
22k
3353
100k
3323
10k
3324
1k
3358
0R22
3341
0R22
3343
1k
3338
3336
3335
1k
3337
47k
3370
47k
3369
82k
3367
82k
3368
3329
3330
56k
3327
56k
3328
1k
3326
1k
3325
10k
3346
100R
3348
33k
3347
56k
3332
56k
3331
3366
3365
9321
9322
100n
2354
100n
2353
4n7
2356
4n7
2355
2329
220p
2327
2330
220p
2328
3n3
2325
3n3
2326
100n/63V
2350
100n/63V
2351
22n
2365
2,2u
2343
10u/100V
2349
22u/50V
2334
22u/50V
2333
2u2/50V
2324
2u2/50V
2323
1000u/10V
2352
10u/100V
2348
47R
3333
47R
3334
1N4148
6339
1N4148
6337
GND_R
GND_L
HST1
DC
DC
ab
HST1
SAT
2
1
7
8
6
7
3
5
4
3
1
2
2
1
3
1321
4
1328
1
2
3
3
6
5
1325
4
7350
BC556
BC546B
7327
BC547B
7326
BC546B
7324
BC546B
7323
BC547B
7325
1uH
5322
7329
+
-
-
+
IN2
NF2
CCC
NF1
IN1
CH2
CH1
THERMAL
DETECTOR
T1
OUT2
T2
OUT1
-VP
-VC2
-VC1
+VP
0R22
3342
0R22
3344
10k
3321
100p
for 100W only
2331
10k
3322
100k
3345
5321
4R7
3363
1uH
SOAR PROTECTION
V
.............
Vdc measured during AMPLIFIER ON
Vdc measured during AMPLIFIER OFF (mute)
Voltages measured at nominal mains voltage and low output signal
EVM
V
ONLY FOR SURROUND VERSIONS
470p
470p
820R f
or 70W
820R f
or 70W
4,7uH
Bead on wire
5330
+52V
+52V
-52V
-52V
-37V
-37V
+37V
+37V
-52V
-52V
-52V
-50V
-50V -52V
-50V -52V
-52V
-51V
4,5V
-52V
-36V
-36V
-36V
-36V
-52V
-52V
-52V
0V
0V
0V
-52V
-52V
-36V
+37V
-52V
+52V
10p
2321
10p
2335
22u/100V
2344
10u/50V
2346
6k8
3355
C6V8
6325
1N4003
6327
1N4003
6329
BZX79/C15
6360
82k
82k
BZX79/C15
6333
BZX79/C15
6334
3k3
3k3
1N4003
6328
1N4003
6330
6k8
3356
C6V8
6326
10u/50V
2347
22u/100V
2345
9327
1k
1k
9325
10p
2322
10p
2336
18
19
17
20
22
21
9
10
11
16
14
15
13
12
STK496-430
470R
470R
130W Version
ab
3
6
5
SW
-VS
+VS
4p7
2366
1R
3385
2
+VL
+VH
CONTROL
GND
-V0
-VL
-VH
8
7
1
4
P5VA L/R Amplifier 130W 2000 03 27
0V
0V
30V
-30V
Summary of Contents for FW-C870
Page 25: ...4 1 4 1 SET BLOCK DIAGRAM PCS 103 615 Blue Strip wOOx BassTreble ...
Page 55: ...10 3 Service Position ...
Page 56: ...10 4 Wiring ...
Page 69: ...10A 3 Service Position ...
Page 70: ...10A 4 Wiring ...
Page 76: ...10A 10 10A 10 ...