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Monitor
446PRO
Service manual
Nokia 446PRO Service Manual page 56
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1
1,3-5
5V
2
3
TO KEYPAD
Q201
KEY_PAD
4
5
6
LED
1,5
1
USB_5V
1,4,5
2
3
4
TO USB
Q202
5
6
7
8
ONLY IN USB MODEL
UVLO
1,4,5
MUTE
4,5
C207
680p
R212
D202
F_LIMIT
LL4148
1k2
4,5
R213
1k0
R216
1k8
V_DYN_FOC
4,5
R214
R217
1k2
C204
4M7
4u7
50V
C209
C210
22n
47u
35V
SMD
SMD
2W
ELECTROLYTIC
SMD 1W
3W etc.
POLYCARBONATE
0.25W
0.25W NF
POLYESTHER
POLYPROPYLENE
0.5W
0.5W NF
CERAMIC
1W
SMA241H
2
SB5218
02.00
Page 8
R201
1k0
R203
1k0
C203
R202
10n
C201
C202
1k0
10n
10n
BCL_ADJ
SUSPEND
N-S_COIL
3,5
R208
22k
R220
C215
22R
C214
IC201
100u
100n
TDA9109SN
25V
R210
1
32
H/HVIN
5V
4k7
2
31
VSYNCIN
SDA
3
30
C206
R211
HLOCKOUT
SCL
22n
4R7
4
29
PLL2C
VCC
C235
5
28
C0
BOUT
100u
R218
C216
25V
6
27
10n
R0
GND
R221
470k
6k49
7
26
PLL1F
HOUT
D210
C208
1u0
8
25
HPOS
XRAY
9
24
1N4148
HMOIRE
EWOUT
10
23
FOC-OUT
VOUT
R275
C217
11
22
HGND
VCAP
150n
47k
12
21
HFLY
VREF
13
20
C218
HREF
VAGCCAP
470n
C211
14
19
COMP
VGND
C219
100n
100n
15
18
REGIN
BREATH
R219
16
17
ISENSE
B+GND
33k
R222
4k7
DEFLECTION
PROCESSOR
C213
1n0
500V
FLYBACK
3-5
5V
1,3-5
R259
10k
V_BLANK
DZ201
4V7
PROCESSOR UNIT
R269
WIDTH
4,5
C236
C237
R223
2u2
4u7
2k2
50V
50V
R224
15k
1
DA1
H_CENT
4,5
R225
4k7
2
DA2
TILT
3,5
R207
4k7
3
DA3
V_CONV
3,5
R243
4k7
4
DA4
3,5
5
DA5
1,5
R227
4k7
6
DA6
G2_ADJ
3,5
R209
4k7
7
DA7
H_CONV
3,5
R215
n.c.
8
DA8
C239
C241
C238
9
GNDA
4u7
4u7
4u7
C240
C221
C244
50V
50V
50V
n.c.
100n
10u
10
VDDA
5V
1,3-5
50V
11
AIN3/PB7
12
AIN2/PB2
13
AIN1/PB1
R229
14
VFBACK/AIN0/PB0
4k7
R230
15
VSYNCI
MAIN
DEMA
R274
PROCESSOR
1k0
16
CLAMPOUT/PD6
1,5
R231
470R
17
ITA/PD5
PC0/OCMP/HFBACK
1k0
18
ITB/PD4
19
ITC/PD3
PREHEAT
1,5
20
VSYNCO/PD2
21
HSYNCO/PD1
5V
1,3-5
C229
220p
1%
R267
12V
1,3-5
10R
C212
100n
H_DRIVE
4,5
OVER_VOLT
V-BLANK
3,5
D208
E/W
4,5
3,5
V_OUT
1N4148
V_REF
3,5
D206
V_SYNC
C246
1N4148
R257
47n
C220
47u
56k
35V
R258
V_FLY
3,5
R276
5k6
215k
D207
R256
LL4148
27k
C245
100n
N249
4
BCL
3,5
SCL
3,5
SDA
3,5
4,5
ECN
446F006
Q203
TO VIDEO
446F
6k8
D212
LL4148
1,3-5
IC202
R237
R238
R239
R240
R241
R242
ST72T752J6B1
4k7
4k7
4k7
4k7
4k7
4k7
42
DA0
41
TEST/VPP
40
RESET#
39
4,5
PA1
38
4,5
PA3
37
4,5
PA4
36
4,5
PA5
35
4,5
PA6
34
4,5
PA7/BLANKOUT
C224
33p
33
OSCIN
X201
R244
32
10M
24.0MHz
OSCOUT
C225
33p
31
R272
PC6
2k7
30
PC5/SDAI
29
PC4/SCLI
28
R247
100R
PC3/SDAD
R248
27
PC2/RX/SCLD
100R
26
25
VDD
24
HSYNCI
R249
4k7
C226
23
IC203-1
GND
100n
74HCT86
22
4,5
LIN1
1
PD0/CSYNCI
3
R233
2
R234
1k0
5k6
5V
1,3-5
IC203-2
74HCT86
R236
4
5k6
6
5
R235
IC203-3
5k6
74HCT86
9
8
10
C230
IC203-4
100n
74HCT86
5V
D205
12
1,3-5
11
LL4148
13
C243
10u
50V
R253
15k
R255
H-BLANK
R254
68k
10k
C232
4n7
5V
1,3-5
R262
R263
D209
2k7
2k7
BAT54C
R264
47R
R265
47R
R266
47R
C233
47p
5V
RESET
1,5
S0
C222
R271
10n
1k0
MEMORY
S1
C223
S2
100n
S3
5V
1,3-5
S4
8
1
VCC
N.C.
S5
7
2
R245
R246
WC#
N.C.
2k7
2k7
6
3
SCL
N.C.
5
4
SDA GND
R273
2k7
IC204
M24128
5V
1,3-5
C227
10u
D204
50V
1N4148
R250
47k
C228
n.c.
R251
1k0
C231
R252
33p
6k19
500V
IC205
24LCS21A
8
1
VCC
NC
C234
100n
DDC
7
2
VCLK
NC
6
3
SCL
WP#
5
4
SDA VSS
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