Source Select And Sound Control Part - Philips MC-50/22 Service Manual

www.freeservicemanuals.info
COMBI CIRCUIT - SOURCE SELECT & SOUND CONTROL PART
1250 A2 1269 C10 2501 A5 2508 F4 2513 H2 2518 I5
1251 B2 1500-A E1 2502 C5 2509 F4 2514 I3 2519 H5
1252 D1 1500-B G1 2503 B5 2510 F5 2515 H3 2520 G11
1253 K2 1501 D1 2504 D4 2511 E5 2516 J3 2521 G9
1254 F6 2500 B5 2505 E4 2512 I2 2517 H3 2522 G11
1 2 3
TAPE
1250 TO/FROM TAPE
FE-BT-VK-N
1
TP_REC_LEFT TP_REC_LEFT
2
TP_REC_RIGHT TP_REC_RIGHT
A
3
GND_A
GND_A
4
TP_LEFT
TP_LEFT
5
+12V_A +12V_A
6
TP_RIGHT
TP_RIGHT
-10V
7
-CMOS
B
1251 TO/FROM CDR
FE-BT-VK-N
REC_LEFT 1 GND_D
TP_REC_LEFT
2
GND_A
REC_RIGHT 3
TP_REC_RIGHT
4
GND_A
CDR_RIGHT 5
TP_RIGHT
GND_A 6
C
CDR_LEFT 7
TP_LEFT
GND_A
1252
1
GND_M
2
+12V_M
D CD_RIGHT
EH-B
TO TAPE MOTOR
1501
YKC21-3418
CD_LEFT
3
1
AUX
E
2
4
1500-A
YKC21-3424 3511
3
2K2
GND_A
1
AUX
2
F
3510
2K2
G For Line-out version only
LINE OUT
1500-B
YKC21-3424
6
GND_A
4
2517
1u
5
7
H 3519 BC847B
0V
7501
470R
0V
2515
0V
10p
GND_A GND_A
7500
3518 0V
BC847B
0V
470R
I
GND_A GND_EMC
2514
0V
10p
GND_A GND_A
2516
J
1u
1253 # #
3565
1
+12V_A
MIC
2 4R7
3
K
GND_A
4
MIC_DET
FE-BT-VK-N
To MIC
1 2 3
12-7
2523 G9 2528 G13 2533 C14 2538 G16 2543 E16 2548 J11 2560 B8
2524 G11 2529 D13 2534 G14 2539 C16 2544 H12 2549 K11 2561 B10
2525 G10 2530 G13 2535 C14 2540 H16 2545 C12 2550 H9 2562 B10
2526 G10 2531 D13 2536 H15 2541 C16 2546 J4 2551 H9 2563 C9
2527 G10 2532 G14 2537 D15 2542 F16 2547 J11 2559 B3 2565 E11
4 5 6 7
-Vkk 2501
-33V 1K
TP_LEFT TAPE_L
3501 1u
2500
1K
TP_RIGHT TAPE_R
3500
1u
+12V_A
GND_D
TUNER_LEFT 3503 2503 TU_L
1K
100n
GND_A
2502
TUNER_RIGHT 3502 TU_R
1K
100n
GND_A
3569
1K
2504 GND_A
3506
CD_R
1K2 MIC
1u
GND_A
GND_A
2505
3507
TAPE_L
CD_L
1K2 1u
GND_A
TAPE_R
GND_A
CD_L
2511
3513 AUX_L TO/FROM SOLID STATE AUDIO
GND_A
1254 #
12K 1u
1
CD_R
2
3517 #
3
10K GND_A
4
3516 # SS_R AUX_L
GND_A GND_A
5
2510 SS_L
3512 10K AUX_R GND_A
12K 1u FE-BT-VK-N AUX_R
TU_L
GND_A GND_A
GND_A
TU_R
LINE_L
3521 GND_A
LINE_R
2K2
3523 3560
-VKK
SS_L
2K2 1M 3525
TP_REC_LEFT
27K
+5V6
GND_A
5V
3524
7508
TP_REC_RIGHT
3522 BC857B 5V 27K
5V
2K2 I2C_CLK
GND_A
3563 I2C_DATA
0V
4K7 SS_R GND_D
3564
MUTE_LINE
5V
10K
GND_A
3520
LINE_R
2K2
4 5 6 7
2566 F11 2645 G15 3503 B5 3508 D4 3513 E4 3518 I2 3523 H3 3530 G14
2567 F15 2646 C9 3504 C5 3509 E4 3514 F4 3519 H2 3524 I5 3531 D14
2568 F15 3500 B5 3505 C5 3510 F3 3515 F4 3520 J4 3525 H5 3532 G14
2612 I2 3501 A5 3506 D4 3511 E3 3516 F5 3521 H4 3526 I5 3533 D14
2613 I1 3502 C5 3507 E4 3512 F4 3517 F5 3522 I3 3527 H5 3534 H16
8 9 10 11
9.1V
7509
11.4V
BC847B
6509
10V
1N4148
GND_A
GND_A GND_A
1269
1
GND_A GND_A
VREF
5V
GND_A
2565
27
47u
1
GND_A
28
GND_A
GND_A
3
4
5
6
2566
2
GND_A
100n
23
24
25
26
GND_A
GND_A GND_A GND_A GND_A GND_A GND_A GND_A GND_A GND_A
3553 #
GND_A
VREF
1M 3554 #
ALC_LEVEL
3K3
GND_A GND_A GND_A
I2C_CLK
I2C_DATA
GND_D
GND_A
3545
SS_L
SS_L 33K
2549
100n 0.65V
SS_R 3546
33K
SS_R
GND_A
8 9 10 11
12-7
3535 C16 3541 C12 3546 K10 3553 H9 3559 K11 3566 A3 3572 F16
3536 H17 3542 H12 3547 J11 3554 H9 3560 H4 3567 B9 4504 G13
3537 C17 3543 C12 3548 K11 3555 H10 3563 I4 3569 D7 4505 D13
3538 F16 3544 I12 3550 J12 3557 J12 3564 I4 3570 E16 4516 I2
3539 E17 3545 J10 3552 J12 3558 J11 3565 K3 3571 E16 6506 G16
12 13 14 15
3543
47K
GND_A
3541
5K6 2533 2535
12K for S
470n 470n
2529
GND_A GND_A
4n7
GND_A
7550
TDA7468D
GND_A
7 8 9 10 11
VOLUME II
VOLUME I TREBLE BASS
12
POWER SUR.
SUPPLY LEFT LEFT LEFT LEFT
16
BASS ALC ALC_LEVEL
SOURCE
14
SELECTOR
LOGIC
IIC BUS 15
REC 13
VOLUME I TREBLE BASS VOLUME II
17
SUR.
RIGHT RIGHT RIGHT RIGHT
22 21 20 19 18
2532 2534
470n 470n
GND_A
GND_A GND_A
3542
5K6
12K for S
GND_A
GND_A
3550
+12V_A
150R
SA_IN
3.75V
3.05V
BC857B
7506
7507
BC847B
GND_A GND_A
12 13 14 15
It`s Free
6507 D16 7500 I3 7509 B9
6508 B4 7501 H3 7550 D12
6509 B9 7506 K12 9640 I1
6510 C9 7507 K12
6521 I4 7508 I4
16 17 18
A
B
3537
C
10K
2541 3535
10n 18K
2539
1n
D
6507 #
1N4148
3539
2543
VOL_LEFT
220R
1n GND_A E
GND_A
3570 #
VOL_RIGHT
12K
GND_A
3571
I2C_CLK
1K
3572
I2C_DATA
1K
F
GND_D
3538
220R
6506 #
1N4148
GND_A
G
2538
1n
2540 3534
10n 18K
H
3536
10K
I
# For provision only
J
K
8239_210_88490 cct 2... 3437 pt 1 dd wk103
16 17 18