Philips AZ-2040 Service Manual - Page 13
Browse online or download pdf Service Manual for Stereo System Philips AZ-2040. Philips AZ-2040 34 pages. Cd soundmachine
Also for Philips AZ-2040: User Manual (9 pages), User Manual (15 pages), User Manual (12 pages), Manual (8 pages), Manual (10 pages), (Swedish) Snabbmanual (8 pages)
COMBI BOARD - CIRCUIT DIAGRAM
(FRONT PART)
1
2
3
4
A
B
7400
91482TR
shuffle
repeat
all
DBB
POWER ON/OFF
C
program
stereo
FM AM LW MW
1 2 3 4 5
6 7 8 9 10 11 12 13
14 15 16 17 18
19 20
D
pin(0:64)
E
+B
+uP
3415
3470
6402
100K
15K
BZX79-C3V3
F
7401
BC847B
6407
BAV99
2409
3469
1u
G
470R
H
+uP
+B
T421
3412
5400
100R
5401
6400
+Vcc
100u
1N4148
2405
2404
100u
2406
100n
100n
I
5413
3471
REC_INFO
1K
3472
J
PLAY_INFO
1K
3478
CD_ON
1K
K
L
1
2
3
4
6 - 2
5
6
7
8
+A
3445
1K
3447
3448
2429
47K
47K
47u
2430
2431
6403
3449
ON_OFF
10K
100n
100n
1N4148
47K
47K
3450
3451
7404
7405
BC847B
BC847B
3452
3453
SWPa
1K
1K
SWPb
6404
6405
1N4148
1N4148
3489
2432
6406
T423
4K7
3454 10n
1N4148
2433
3455
1K
100u
22K
3413
3K9
3414
3K9
+Vcc
+uP
3416
3K9
3418
3K3
3419
4K7
7402
5
52
53
54
55
44
45
46
47
48
49
50
51
T422
58
V1
LCD DRIVER
57
V2
56
V3
LCD VOLT
60
C0
BOOSTER
59
C1
8
RESET
SYSTEM CONTR
4
TEST
WATCHDOG
TIME GEN
TIMER
2
XIN
1400
4M194
3
XOUT
P2
10-BIT
A/D CONV
+uP
AVDD
+B
CSTS
1
7
6
9
19
2444
100n
5402
T420
+VAref
3488
3463
22K
22K
3428
3458
1K
1K
2415
100u
3493
3432
100R
1K
3460
1K
2436
2437
3494
2445
+uP
22K
100p
100p
100p
5
6
7
8
9
10
11
12
13
3486
3437
ADKEY1
3485
1K
5K6
3439
ADKEY2
1K
5K6
2421
2422
5403
10n
10n
+uP
2u2
3426
3427
22K
22K
3431
3433
1K
3490
1K
STANDBY
4K7
3404
3406
1K
1K
1K
1K
3408
3410
3438
3440
470R
470R
3442
470R 3443
3468
470R
4K7
2424
2426
100p
100p
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
P7
P5
P1
CPU
INT CONTR
RAM
ROM
18-BIT T/C
8-BIT T/C
UART/SIO
P6
P3
VAREF
18
17
16
15
14
13
12
11
10
64
63
62
61
TMP86CH21F
2K2
3423
2K2
3422
+uP
3481
15K
3482
MUTE
T426
330R
2443
100p
9
10
11
12
13
6 - 2
14
15
16
17
+VAref
For AZ2045
For AZ2040
To Keyboard
3434
3435
2K7
2K7
1401
1406
T401
5404
KEY1
1
1
KEY1
T402
5405
2
KEY2
2
KEY2
T424
5406
3
3
SWPa
SWPa
T403
5407
4
4
SWPb
SWPb
T404
ROTARY1
3495
5408
5
5
ROTARY1
ROTARY2
3496
1K
T405
5409
6
6
ROTARY2
1K
T406
5410
7
7
DGND
T407
5411
8
+B
+B
FE-ST-VK-N
FOR AZ2040 ONLY
T408
5412
9
RC5
+uP
FE-ST-VK-N
9401
3401
3402
3400
3403
22K
22K
22K
22K
To ECO6 Layout cell
T409
3405
3525
T410
330R
3407
680R
3522
330R
330R
T411
3523
680R
3409
330R
T412
680R
3524
3411
2446
680R
2401
2402
2403
2400
4n7
100p 100p
100p
100p
T413
3301
4401
T414
470R
3300
4402
T415
3299
470R
4403
2418
2u2
470R
T416
T417
3298
4404
470R
+uP
3466
22K
TO Door SW PCB
T425
3446
1
1K
2
2440
+uP
100p
6408
BZX79-C5V6
3417
100R
+uP
+uP
7403
2408
M24C01
8
100n
1
3420
3421
VCC
E0
22K
22K
2
E1
T418
3483 2K2
3
5
E2
SDA
M24C01W
T419
3484
6
SCL
2K2
7
WC_
VSS
4
3491
SCL
SDA
1K
3492
1K
14
15
16
17
1400 H6
3492 K15
18
19
1401 A15
3493 J6
1402 G17
3494 K5
1403 H19
3495 B14
1404 I19
3496 B14
1406 A16
3522 D17
2400 E14
3523 D16
2401 E14
3524 E17
2402 E15
3525 D16
A
2403 E15
3526 F7
2404 I1
3527 F7
2405 I2
3528 F7
2406 I3
3529 F8
3530 F8
2408 I17
2409 G4
3532 F8
2415 J8
3538 F9
2418 F13
3539 F9
B
2421 B11
3540 F9
2422 B12
3541 F9
2424 F12
3542 F9
2425 F12
3543 F9
2426 F13
3544 F9
2429 A5
3545 F9
2430 A6
4401 F14
2431 A7
4402 F14
C
2432 D6
4403 F14
2433 D5
4404 G14
2436 K5
5400 H1
2437 K6
5401 H2
2440 H15
5402 I9
2443 L12
5403 B12
2444 I8
5404 A15
2445 K6
5405 B15
2446 E17
5406 B15
D
3298 G16
5407 B15
3299 F16
5408 B15
3300 F16
5409 B15
3301 F16
5410 C15
3400 D14
5411 C15
3401 D14
5412 C15
3402 D15
5413 I2
GND
3403 D15
6400 H3
E
3404 D12
6402 F2
3405 D15
6403 A7
3406 D12
6404 C6
3407 D16
6405 C7
3408 E12
6406 D7
3409 E15
6407 G3
3410 E12
6408 H16
3411 E16
7400 B2
F
3412 H2
7401 F3
3413 E5
7402 G7
CD 99
3414 E6
7403 I16
layout cell
3415 F4
7404 B6
3416 F6
7405 B7
3417 H16
9401 C13
3418 F5
T401 A15
3419 F4
T402 B15
3420 I14
T403 B15
G
3421 I15
T404 B15
3422 J13
T405 B15
3423 J12
T406 C15
3426 C12
T407 C15
1402
EH-B
3427 C13
T408 C15
3428 I8
T409 D16
3431 C12
T410 D16
3432 J9
T411 D16
H
3433 C12
T412 E16
3434 A13
T413 F15
CD door SW PCB
3435 A14
T414 F15
3437 A12
T415 F15
1403
1404
3438 E12
T416 F17
DIPMATE
1
3439 B12
T417 G15
3440 E11
T418 I14
SPPB51
2
3442 F12
T419 J14
I
3443 F12
T420 I8
3445 A5
T421 H3
3446 H17
T422 G4
3447 A6
T423 D7
3448 A8
T424 B15
3449 A8
T425 H16
3450 B6
T426 K11
3451 B7
3452 C6
J
3453 C7
3454 D6
3455 D6
3458 J6
3460 J6
3463 I5
3466 G16
3468 F11
K
3469 G2
3470 F3
3471 J4
3472 J4
3478 J4
3481 K12
3482 K11
3483 I15
L
3484 J15
3485 B11
3486 A11
3488 I6
3489 C9
3490 C12
3491 K14
18
19