Nokia 445PRO Service Manual page 44

Q403
1
2
KEYPAD
3
4
Q404
1
2
5V
3
KEYPAD
4
5
6
G2_ADJ
3
WIDTH
2
RASTER
R473
2
4k7
C408 C407 C406 C405
POWER_OFF
4u7
4u7 4u7 4u7
50V 1
50V 50V 50V
5V
1
IC402 SUSPEND
24C64 R423 R422
4k7 4k7
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
17
C411
1 8
A0 VCC
2 7 100n
UVLO
A1 WP
3 6
A2 SCL
4 5
VSS SDA
IC403
n.c.
T405
R427
BC847B
470k R491
220R
R426
18k
C412
10u
50V
T404
BC857B R428
10k
R494
6M8
R429
6M8
R492
3M3
BC
SMD SMD 2W
ELECTROLYTIC SMD 1W 3W etc.
POLYCARBONATE
0.25W 0.25W NF
POLYESTHER
POLYPROPYLENE 0.5W 0.5W NF
CERAMIC 1W
SMA251H
1
SB5249 01.00 Page 10
TO SMK001
Q402
POWER1
1
POWER2
1
C401
R405
10n
680R
C402
10n
IC401
R406
ST72T752J6B1
10k
1 DA1 42
DA0
R471
2 DA2 41
TEST/VPP
4k7
3 DA3 40
RESET# R407 R408 R409
4 DA4 39 4k7 4k7 4k7
LIN2
2
PA1
5 DA5 38
DEMA
1
PA3
6 DA6 37
PA5
R416 10k
7 DA7 36
PA5
R417 10k
8 DA8 35
PA6
9 GNDA 34
PA7/BLANKOUT
X401 C403 15p
10 VDDA 33
OSCIN FR401
11 AIN3/PB7 32 R419
OSCOUT 10M
360R
12 AIN2/PB2 31
PC6
24.0MHz
C404 15p
13 AIN1/PB1 30
PC5/SDAI
14 VFBACK/AIN0/PB0 29
R424
PC4/SCLI
1k0
15 VSYNCI 28
PC3/SDAD
16 CLAMPOUT/PD6 27
1,2
PC2/RX/SCLD
17 ITA/PD5 26
PC0/OCMP/HFBACK
18 ITB/PD4 25
5V
VDD
R425
19 ITC/PD3 24
HSYNCI
10k
20 VSYNCO/PD2 23
R490
GND
4k7
21 HSYNCO/PD1 22
20
PD0/CSYNCI C409 C410
10u 100n
50V
R436
18
19
H_SYNC_OUT
V_SYNC_OUT
C413
2200u
16V D401
5V
1N4148
R430
C414
IC404-3 IC404-2
100n
74HC86
1k0 74HC86
R432 C415
R431 5
220R 100p
10 6
10k
8 4
9
R433
8k2
21
5V
R434
IC404-4
C416
4k7
74HC86
n.c.
13
11
12
R435
n.c.
TO VIDEO
R489
47R
R404
47k
R403
470k
R401 R402
2k7 2k7
RESET
1
R451
F_LIMIT 2k2
5V
2
R412
4k7
R413
R410 R411
10k
4k7 4k7
Q405
D402
R414 10k
S3
1
S4
2
R415 10k
LL4148
S1
3
S2
4 V_DYN_FOC
S5
5
2
S6
6
R418 10k
S0 R472
7
4k7
8
5V
IC404-1
14
74HC86
R420
3
4k7
7
GND
H_FLY
1-3
R421
10k
100k
C438
1n0
R460
22k
D404 D405 R461
LL4148 LL4148 470R
R464
1k0
D406
1N4148
R458
22k
C437
R493
2n2
R459
47R 500V
10k
PULSE
2
445N
Q401
T402
H_LOCK
BCR191
2
T403
BC847B
R469
2k2
R468
15k
22 R453 IC405
C427
470R TDA9111
1n0
1
H/HVIN 5V
R452
2
VSYNCIN SDA
R448 10k
470R
3
D403 C426 R449 R447
HMOIRE SCL
LL4148 1u0 1k8 6R8 C424
4
PLL2C VCC
C423
50V 22n
5
R450 C0 BOUT
R446
1k0
560p
C425 6
R0 GND
10n
6k19
R445
7
PLL1F HOUT
8
47k C442 100n HPOS XRAY
C422
C421
9
2u2 C444
HFOCCAP EWOUT
C446 50V
n.c.
820p
10
FOC-OUT VOUT
22u 11
HGND VCAP
D409
16V
C418 1n0
R444
LL4148
12
HFLY VREF
C419
47k
13
R437 C417
HREF VAGCCAP
100p R476
4k7
47u
1 10k 14
COMP VGND
R441
2
15
REGIN BREATH
R438
C420
4k7
100n 16
ISENSE B+GND
4k7 L401 R442
33u 10k
J61
R443
4k7
R439
D408
23
2k15
1N4148
R440
330R
UVLO
15V
C439
10u
C450
50V
220u
R467 R466
35V
5k62 0R0
D407 R465
R480 R483
2k15
1N4148
10k0
22k1
T401
R462
BF423
2k2
C455
4n7
C452 C453
R481 R482
R484
1n0 1n0
4k64 100k
6k19
ECN
R463
215k
C454
445N28
1n0
C456
220u
35V
5V
R455
22R
R454
C429
562R
100n
C428 R456
10u 10R
50V
32
31
30
29
C430
28 C431
100u
100n
25V
27
H_DRIVE
26
C432
2
100n
R474 OVER_VOLT
25
3
R475
1k0
R457
24
2
10k
4k7
23
25
C445
22n
22 24
21
C435
C436 C433
20
150n
470n 100n
63V
63V
19
C443
C434
18
n.c.
47u
12V
J50
17
R470 C441
100n N25
47k
2
C440
47n
63V
D420
1N4002
C451
100u
50V
26
2 6 3
IC406
VCC OSS FG TDA9309
7
5
X1
1 OUT
C458
GND
R487
220n
4
274R 250V
R485
2R15
X2
R486 R488
1R5
2R15
X24
-12V
C457
n.c.