Philips AX2001 Service Manual page 17

1300 C9 2303 C2 2307 B5 2311 C5
2300 B2 2304 C3 2308 B4 2312 C6
2301 C1 2305 D2 2309 C3 2313 C6
2302 C3 2306 C4 2310 A6 2314 D6
1 2
AUDIO-PART
A
+Audio
B
RP
RIGHT Channel
RN
VREF
C
3301
5
LP
1,3V
33K
LEFT Channel
3303
LN
1,3V 6
33K
A
3309
D
15K
E
R...only for Cord R/C
S...only for non Cord R/C
X...component only provided (not in use)
1 2
4-3
2315 D5 2319 C8 2323 D8 2327 A7
2316 D6 2320 D8 2324 C9 2328 A6
2317 B7 2321 D8 2325 D9 2892 A8
2318 B8 2322 D8 2326 D9 3300 B2
3 4
VREF
1,3V
3315
1,3V
3K3
7301
VREF
BC847BW
1,9V
7300-A
2,5V
3300 TC75W51FU
3
8
1,3V
2308
33K
1,3V
1
3302
4u7
1,3V 2 4
33K
A
2304
3308
220p
2,5V
15K
7300-B
8
TC75W51FU
2309
7 1,3V
4u7
4 1,3V
7302
2305
BC847BW
220p
3 4
3301 C1 3305 C2 3309 D2 3313 B4
3302 C2 3306 B4 3310 C4 3314 C4
3303 D1 3307 C4 3311 B4 3315 B3
3304 B3 3308 C3 3312 D4 3316 A5
5 6
+2.6V +2.6V
3332 X
E_KILL
0V
3317
0,6V
KILL
4K7
7303
BC847BW
0V
MUTE
LF_POW
7305
BA3574BFS
3n3
11
Switch
0V
2307
3320
3
12
2
2,0V
3333
2x10K
13
5
18K
1 1,3V
in
14
4
3334
1,3V in
18K
15 out
1,3V
3n3
2312 16
1,3V in
2306 2u2
RF out
2313 17
VREF
1,9V
4,2V
1u
A
2314 18
1,2V
A 22u
RF in
2315
19
1,3V
BEEP
1,3V
Beep in
100n
from CONTROL/
3319 Vcc
20
SUPPLY PART
+A
4,4V
2R2 1,7-3,6V
VREF
A
5 6
4-3
3317 A5 3321 B9 3325 D8 3330 D9 3334 C4
3318 C8 3322 C8 3326 C9 3331 A5 3335 D5
3319 D5 3323 D8 3327 B7 3332 A5 6300 D9
3320 B5 3324 D8 3328 A7 3333 B5 7300-A B3
7 8
3328
1,3V
47K
7307
BC847BW
2327
1,3V 1,3V
3327
100n
2317
1M
VREF
100n
10
time
MUTE
0,7V
Low-pass 9
Power on
Switch boost 1,3V
43k 43k
A 3318
8
DBB
+
Switch
0,7V
100K
7
time
A
+
0V
+ - + -
AVC
6
A
in 0V A
Mix out 5
+RCREF
+ +
1,3V
4
+
-
out
1,3V
Ripple
Filter
3
+
-
Vref 1,3V
2321
1u
2
+
- out
1,3V
1
27k
Beep
0V
2k
A A
7 8
7300-B C2 7305 B6
7301 B4 7306 B8
7302 D4 7307 A7
7303 A5
9
A
DBB_STEP
from CONTROL/
SUPPLY PART
DBB_ON
B
to CONTROL/
7306
SUPPLY PART
BC847BW
RC
0V
0,6V
C
A
1300
Headphone
4
3322
3
22R
2
(1R for /17)
1
3323
1,3V
22R
D
(1R for /17)
A A ESD ESD
E
9
CS 46 734