Circuit Diagram; Audio Part - Philips AZT-9500 Service Manual

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CIRCUIT DIAGRAM

1300 A10
2304 B3
2313 D5
2318 D7
2300 B2
2305 D3
2314 D5
2320 D7
2301 C2
2306 B4
2315 D7
2321 E5
2302 B3
2307 C4
2316 B4
2323 A5
2303 D3
2312 D4
2317 D8
2324 E4
1
2
AUDIO-PART
A
2300
1n
3300
RP
22K
RIGHT Channel
B
3302
RN
22K
3337
C
2301
1n
3301
LP
22K
LEFT Channel
3303
LN
22K
D
E
R...only for Cord R/C
S...only for non Cord R/C
X...component only provided (not in use)
1
2
4 -1
2325 B7
2330 B9
2335 B5
3304 B2
2326 B7
2331 D7
3300 B1
3305 D2
2327 B8
2332 C5
3301 C1
3306 C3
2328 B8
2333 B9
3302 B1
3307 D3
2329 B8
2334 B5
3303 D1
3308 A3
3
4
3308
3K3
+HP
3314
7300-A
TC75W51FU
10K
3
3320 3
8
2306
1,3V
1
2
2302
100p
22u
2x10K
5
1,3V
2
4
1
A
4
2304
3315
3304
22K
BEEP
2316
10K
1n
3306
3310
100n
3327
5K6
3K3
100K
3309
A
3K3
+HP
7300-B
5
8
TC75W51FU
2307
1,3V
7
2303
VREF
100p
22u
2312
1,3V
6
4
10u
A
2305
+HP
3305
22K
1n
+Tuner
A
3307
3311
3323
10K
5K6
3K3
DBB_ON
3318
10K
KILL
3321
VREF
2324
10K
7301
1u
MUTE
BC847BW
3
4
3309 C3
3318 D4
3325 C8
3330 B5
3310 C3
3320 B4
3326 D9
3331 B5
3311 D3
3321 E4
3327 C4
3332 D5
3314 B4
3323 D4
3328 D8
3333 D7
3315 B4
3324 C7
3329 D8
3336 B8
5
6
A
A
2323
ATT SW
ALC DET
12
13
100n
IN A
ALC IN
11
14
3330
2334
3K9
680p
IN B
MIX OUT
10
15
2335
680p
GND
PWR GND
3331
9
16
3K9
A
BEEP IN
OUT A
8
17
A
2332
MT TC
OUT C
7
18
1u
MT SW
OUT B
6
19
+HP
3892
PW SW
VCC
5
20
22K
BIAS
PWC SW
4
21
3332
2313
2315
33K
BIAS IN
RF IN
3
22
10u
2320
BST SW
ADD OUT
2
23
100n
2331
2314
BST NF
BST OUT
1
24
220n
2321
100n
7302
TA2120FN
A
5
6
4 -1
3337 C2
3891 D9
5303 B9
7302 E5
3338 B8
3892 C5
6300 B9
7303 C8
3339 B8
5300 A9
7300-A B3
7304 D8
3340 B8
5301 B9
7300-B C3
F300 A9
3341 B8
5302 B9
7301 E4
F301 B9
7
8
9
3338
2328
3340
33n
150R
A
2329
3341
33n
150R
3336
2330
1K
10n
3339
2326
2327
100n
100n
2325
A
A
4u7
3324
3325
2R2
2R2
ESD
A
A
7303
BC807-25W(COL)
+A
7304
+HP
BC847BW
3329
3891
820R
2318
12K
+2.6V
220u
A
2317
3326
10u
8K2
+Tuner
1n
A
3328
VREF
470R
3333
VREF
2K7
2u2
A
7
8
9
F302 B9
F307 D10
F303 D10
F304 D10
F305 D10
F306 D10
10
A
HP_IN
1300
Headphone
5300
F300
4
5301
F301
3
5302
F302
2
5303
1
B
R
6300
2333
2n2
A
C
F303
FM-ANT
F304
L-OUT
+Tuner
F305
TUNER
D
F306
R-OUT
F307
GND
A
E
10

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