Philips waS700 Service Manual page 22

Wireless audio station
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AF & AMP BOARD - Circuit Diagram (part 2)
1
2
A
B
C
D
HPREF
~320mv
2603
HP_L
T011
470n
E
3607
HPREF
5K6
F
3608
HPREF
5K6
~320mv
2604
G
HP_R
T012
470n
HPREF
H
U10
I
1
2
10 - 2
3
4
5
6
A_HP
5.9V
7601-2
5
NJM4556AM
2611
3611
3615
7
6
5.9V
22u
47R
33R
5.9V
A_HP
2609
3613
7603
BC817-25
47p
1K0
3609
MUTE_HP
33K
3610
A_HP
33K
2610
3614
7604
BC817-25
47p
1K0
A_HP
5.9V
5.9V
2612
3612
3616
2
1
47R
33R
22u
3
NJM4556AM
5.9V
7601-1
11.6V
3627
T020
5621
+12V_A
10R
5.9V
A_HP
HPREF
T022
A_HP
A_HP
A_HP
3
4
5
6
7
8
9
FAN_on_off
HP_DET
HP_Mute
Amp_on
Filter_Mute
GND_D
W40
6302
5622
2602
BAV70
22n
T019
~2.2v
A_HP
5623
2601
GND_ESD
1501
TC38-158-01
22n
U6
+5V
9
7
8
~2.2v
5624
4
1
T016
3631
5
2
1K0
T017
6
3
U8
GND_D
GND_D
+5V
3236
10K
HP_Mute
GND_D
7
8
9
10 - 2
10
11
12
13
1
M62320FP
SO
7401
4
D0
D0
5
D1
D1
6
D2
D2
7
D3
D3
3404 220R
9
14
D4
D4
CS2
CS2
10
15
D5
D5
CS1
CS1
11
16
D6
D6
CS0
CS0
12
D7
D7
GND_D
3401
8
13
3
2
T018
I2C_Clk
470R
OVERVOL
GND_D
GND_D
+9.1V
3402
GND_D
I2C_Data
470R
+5V
GND_D
GND_D
GND_D
U10
HP_DET
7202
7204
BC847B
BC857B
Mute_HP
3230
GND_D
5K6
T021
7203
BC847B
GND_D
GND_D
GND_D
S30
P - Provision only
10
11
12
13
U6 E7
U8 F8
1501 E8
2213 H12
2214 H5
2220 H12
2224 H11
2401 D12
2402 D12
A
2403 D12
2601 E8
2602 E8
2603 E2
2604 G2
2605 E3
2606 G3
2607 E3
2608 G3
2609 E3
2610 F3
2611 E5
B
2612 G5
2624 H5
2625 H4
2922 F9
3226 H11
3230 H11
3231 H11
3232 H12
3236 H10
3237 I10
3401 C12
C
3402 C12
3403 D11
3404 B11
3406 C10
3407 C11
3408 C10
3409 C10
3601 E3
3602 G3
3607 E3
3608 F3
3609 F3
D
3610 F3
3611 E5
3612 G5
3613 E5
3614 F5
3615 E5
3616 G5
3627 G5
3628 H4
3629 H4
3630 E9
3631 F10
E
5621 G5
5622 E8
5623 E7
5624 E7
6302 D9
7202 G11
7203 H11
7204 G12
7401 A11
7601-1 G3
7601-2 E4
F
7603 E6
7604 F6
T011 E2
T012 G2
T016 F7
T017 F10
T018 C12
T019 E8
T020 G5
T021 H10
T022 H4
G
H
I

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