Philips FW-C255 Service Manual page 17

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CIRCUIT DIAGRAM - HEADPHONE / MISCELLANEOUS PART
1438 A1
2400 E3
2404 B7
2408 B9
2412 B4
2416 A4
1439 A1
2401 A7
2405 B7
2409 B9
2413 C3
2417 A4
1600 E9
2402 A7
2406 A9
2410 F5
2414 A4
2418 A4
1601 F8
2403 A7
2407 A9
2411 F5
2415 A4
2419 A5
1
2
A
VCD
NON-VCD
1438
1439
DSA_STR
CD_PORE
1
1
CD_GND
2
2
3
3
DSA_ACK
CD_SILD
4
4
DSA_DATA
CD_SHDATA
SH_DATA
5
5
B
CD_SICL
6
6
CD_SHCLK
7
7
CD_SHSTR
8
8
CD_SWINFO
9
9
CD_ON
10
10
TU_GND
TU_ENABLE
11
11
TU_DATA
12
12
C
TU_CLK
13
13
14
14
TU_STEREO
15
15
D_GND
16
16
SA_IN
17
17
HP_RIGHT
18
18
HP_GND
19
19
D
HP_LEFT
20
20
AMP_ON
21
21
MUTE
22
22
F2
23
23
F1
24
24
-Vkk
25
25
+5V6
26
26
E
D_GND
27
27
I2C_CLK
28
28
I2C_DATA
29
29
PWDN
30
30
NTC
31
+5V6_ECO
32
LPC
F
FE-ST-VK-N
#
1
2
6-6
2420 A5
2424 F3
2600 D8
2604 E7
3402 B9
2421 F2
2425 C7
2601 E8
2605 E7
3405 F5
2422 F2
2426 C8
2602 F8
2606 F8
3406 E5
2423 F3
2470 B6
2603 F7
3400 A9
3407 E4
3
4
+F
2412
100n
CD
2413
3417
4408
1K
100p
TU
3414
3416
1K
3415
1K
1K
HP
2400
4409
D
100n
4413
4460
9506
9514
+5V6_ECO
3492
+F
2K2
4406
3562
2K2
TU
3
4
3408 F5
3413 A3
3417 C3
3421 C8
3565 A8
3569 B6
3410 A2
3414 C2
3418 C7
3492 F4
3566 A9
3600 E6
3411 A2
3415 C2
3419 C7
3528 E5
3567 B8
3601 E6
3412 A3
3416 C3
3420 C7
3562 F4
3568 B9
3602 D8
5
6
+5V6
CD
CdPore
+5V6_ECO
(DSA_ACK)
CdSiLd
4407
CdShData
+F
3569
4410
D
10K
CdShClk
+5V6
CdShStr
CdSwinfo
Cd_On
CdSiCl
9410
(DSA_DATA)
TuCe
TuEnable
TuDat
TuClk
TuStereo
SA_IN
HP_RIGHT
HP_LEFT
Amp_On
9404
4411
Mute
D
I2C
HP
GND_A
F2
F1
3600
-VKK
4414
1K
+5V6
4400
4401
TU
3406
3601
I2_CLK
3407
1K
1K
I2_DAT
1K
PWDN
4405
NTC
3405
7602
BC857B
1K
LPC
9487
D
I2C
5
6
6-6
3603 D8
4401 E5
4408 C4
4413 E4
5400 B7
6400 A7
3604 F7
4405 F5
4409 E4
4414 E5
5600 D7
6401 A7
3605 F7
4406 F4
4410 B5
4415 A5
5601 E7
6402 B7
4400 E4
4407 B5
4411 D5
4460 F2
5602 E8
6420 C7
7
8
6400
3565
3566
+F
F1
2R2
1N4003
9401
D
9402
6401
+LPS
1N4003
5400
3567
3568
+H
F2
2u2
2R2
D
6402
1N4003
+F
2425
6420
3418
SA
1K5
47n
1N4148
(TO SH 130-1)
D
D
3602
+5V6
1K
5600
2600
2u2
22n
HP
7600
BC817-25
HP
7601
BC817-25
5601
2601
5602
2u2
2u2
22n
2602
2606
6600
100n
22n
+5V6
1N4148
1601
1
RT-01T
3605
HP_Mute
(FROM SH 130-1)
10K
7
8
6600 F7
9401 A9
9487 F5
7600 E7
9402 A9
9506 F3
7601 E7
9404 D5
9514 F3
7602 F6
9410 C5
9
3400
F1x
2R2
4R7
(TO SH 130-1)
A
FTD
3402
F2x
2R2
4R7
(TO SH 130-1)
B
FTD
C
D
HPDet
(TO SH 130-1)
1600
TC38
4
2
7
E
1
6
3
5
HP
F
(ESD WIRE TO COMBI PCB)
9

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