Philips FW-C399 Service Manual page 64

LEFT/RIGHT AMPLIFIER & SUPPLY BOARD - CIRCUIT DIAGRAM (PART 2)
1321-A C11 2323 D3 2333 B3 2343 E5
1321-B A11 2324 A2 2334 C3 2344 E6
1322_B B11 2325 A4 2335 D4 2345 E4
1323_B D11 2328 A3 2336 D4 2350 A7
1330 B11 2329 B4 2339 D4 2352 A7
2320 C1 2330 A4 2340 A3 2353 E7
2321 E1 2331 B4 2341 A5 2355 E7
2322 E2 2332 B2 2342 A6 2360 B9
1 2
8240
2390 @
4n7
gnd_pa
A
3334
2u2
/50V
AF_left
3K9
2324
9320 *
gnd_pa
*
9321
333 8
22uF/50V
B
AF_right
2K2
2332
A1
gnd_pa
10n
2320
-44V
6320
@
1N4148
5V
7320
C BC556B
AMP_ON
3.3V
7321 @
-43V
BC547B
3324
-44.6V
100K
-44.6V
D
-44.6V
-44.8V
BC546B @
7323
3331
100K
-44.8V
0V
E
-44V
@
7324 0V
BC556B
0V
1 2
11-6
2361 B9 2369 C11 3321 C1 3329 D1 3337 B4
2362 A11 2370 D5 3322 C2 3330 E1 3338 B1
2363 C9 2371 D5 3323 D1 3331 E2 3339 B2
2364 C9 2372 C3 3324 D2 3332 E2 3341 C3
2365 C11 2375 A10 3325 D3 3333 E2 3342 A4
2366 A10 2390 A1 3326 D3 3334 A1 3343 D4
2367 A10 2391 C4 3327 D2 3335 A2 3344 A3
2368 C11 3320 C1 3328 D3 3336 A3 3345 A6
3 4 5
@
2340
2325
47p
100p
3344 3342
22R 56K
gnd_pa
@
gnd_pa
@
gnd_pa
G
@
* * * *
* *
#
gnd_pa
@
* *
M
#
*
N
@
#
* *
O
gnd_pa
gnd_pa gnd_pa
P
@
2335
Q
220p
R
@
3325 3326
-42V
@
33K 220R
* *
@
7322
BC547B
3343
-45V
56K
2339
100p
6323
1N4148
0V
@
-45V
7325
BC547B
-43V
3 4 5
3346 E6 3354 B7 3362 C7 3370 A8
3347 E4 3355 B7 3363 C7 3371 B9
3348 A8 3356 B8 3364 C7 3372 B9
3349 E8 3357 C8 3365 D8 3373 B10
3350 B7 3358 C8 3366 D8 3374 C9
3351 B7 3359 C7 3367 D8 3375 C10
3352 B7 3360 C7 3368 A8 3376 C9
3353 B7 3361 C7 3369 A8 3377 E9
6 7
3345
47R
B
*
C
70W, 100W
9341
E
A
150W
9961
3350
STK442 -070/-090/-110
&
0R33
7330
3351
VCC+
45V
0R33
&
VCC- -45V
SUB H
0V
0V I
CH1+RE
F
CH1-RE
0V
CH2-RE
0V
CH2+RE 0V
L
-44.6V
PRE-
3359
&
PRE+ 44.6V 0R33
3360
CH1|IN 0V
0R33
&
CH1|NF
0V
K
BIAS
-43V
CH2|NF 0V J
CH2|IN 0V
@
*
3346
47R
D
# : For Phase Inverse only
* * : For Non Phase Inverse only
: PROVISION
*
@ : Some application or values may varies, see respective parts list for correct value.
Note: Conn A to R is for IC 7326 STK412-020 (150W version)
6 7
11-6
3378 E9 3404 B3 6330 B10 7324 E1 9321 B1
3379 D10 5300 A9 6331 C10 7325 E4 9323 A10
3380 D10 5301 C9 6332 A8 7327 B8 9329 E10
3381 A9 6320 C1 6360 A8 7328 C8 9330 B3
3382 A10 6321 C1 7320 C1 7329 E10 9331 C4
3392 B3 6322 E1 7321 C2 7330 B6 9333 C4
3393 C4 6323 E3 7322 D3 8240 A2 9341 A6
3395 C4 6324 E8 7323 E2 9320 A1 9342 B9
8 9
&
*
*
&
&
5300
*
0V
BC556B *
3371
7327
4R7
0V
&
-45V
* *
GND_AL
5301
*
BC556B
0V
*
7328 3374
4R7
0V
-45V
*
& * *
GND_AR
&
100W 70W
3355 , 3363 820R 680R
3354 , 3364 680R 560R
3356 , 3365 68K 47K
*
3370 2K2 6K8 *
3369 68K 68K
3368 68K 68K
*
*
*
*
8 9
9343 C9
9355 C8
9356 D7
9360 C10
9361 C10
9362 C10
9363 C10
9961 A6
10 11
A1
B1
A
AMP_LR_DC
SPKR LEFT
1321-B
4
+
* * *
3
-
1322_B
GND_AL
EH-B
1330
B
1
2
3
gnd_s
To Matrix -Surr
*
1321-A
SPKR RIGHT
9361
+
1
@
* *
2
-
9363 C
9362
9360
1323_B
GND_AR
*
D
B2
A2
E
7329
*
BC547B
SAT
3139 118 53720...for 88130...3434 pt4 dd wk0139
10 11