Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Monitor nokia_447pro_schema_131
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BLOCK DIAGRAM
180 V
80 V Deflection
Power Supply +/- 15 V Prosessor
Vertical Vert
UC3842 +13 V/-15V Audio
TDA9109S/N Vertical yoke
shrink 32 adjust
AC in 90 to GB04K
12V and Output
264 VAC control
TDA9309
5V
Heater V-fly
RESET
V&H sync
UVLO
POWER ON
PRE_HEAT
SUSPEND
ON/OFF "soft"
H-drive Step Down
Hor
Converter yoke
Horizontal
H-FLY
Output
K #2 Lin BUH1015
e
#6 S-cap
y Microcontroller
b +5V ST7275J4
o POW_LED DIP42 Shrink
a KEY_PAD
r
CONTRAST
d
BRIGHTNESS
AUDIO + P.A.
PWR_UP LM4832 (National)
TDA7499 (SGS)
SDA
SCL
G2 - Volume&Tone control
T INT
o USB_ON H&V sync I2C - 3D Sound
+15V - 2 x 3 W audio output
SDA
U
S SCL
XRAY
B
HV-
generator
UC3843
H blank/clamp
V blank/clamp
BCL
27 kV
H sync
V sync
Main board
Video board G2, Dyn foc,
Stat foc
Heater
R in R out R
TDA4886
G in PHILIPS G out G
B in B out B
LM2403
V blank
input clamp NATIONAL
H blank
output clamp G1, G2,
Dyn foc,
IC
2 Stat foc
R
G
B
STV9427 FBLK
2
IC
5
SMA246E 2
447R SB5250 02.00 Page 7
SMA246E 2
SB5250 02.00 Page 8 447R
SMA246E 2
447R SB5250 02.00 Page 9
SMA246E 2
SB5250 02.00 Page 10 447R
SMA246E 2
447R SB5250 02.00 Page 11
60$&
5 6% 3DJH
60$&
6% 3DJH 5
60$&
5 6% 3DJH
60$&
6% 3DJH 5
60$&
5 6% 3DJH
C3
L2 10n
W1
600R
L3
HEADPHONE 600R L1
1 600R
L4
8
600R C1
7 R1 Q2
464R 2u2 50V
3
L5 1
2 600R 2
R2 C2 3
4
464R 2u2 50V
5
L6 4
600R
QK1490
Q4 L7
600R Q3
1
2
L8 3
600R 4
EXT.MIC
1
L9
8 600R
7
3 1
2
L10 Q1 2
4 600R
5
QK1490
Q5
ECN
-
SME004C 1 447R
SB5205 08.99 Page 2
SMH164C 1
447R SB5254 08.99 Page 3
15V 3V3 R37 D2
47k LL4148
R5 T1
33k BC847B
R28
4k7
T2
BC857B 3V3 15V
R33 C15
100k 22u D1
35V LL4148
D6 L3
FJ0505
R29 R3
LL4148
47k R30 C5
C22 C21 R15
3V3 1k5
1
2k2 1u0 Q2
100n 47u 23R7
25V 50V 2
Q2
3
Q2
3V3 1
2
TEST1 UP_DM
32
31
R16
23R7
4
Q2
TEST2 UP_DP
3 30 IC5 5
C10 TEST3 AVCC Q2
SN75240
4 29
RESET_N AGND 1 8 6
5 28 GND A Q2
22p R1 GND DN2_DM 2 7
X1 1M0 6 27 C GND
C16 XTAL1 DN2_DP 3 6
FR1 12.0MHz GND B
7 26
XTAL2 DN3_DM 4 5
360R 8 25 D GND
22p CLK12MHZDN3_DP
3V3 C6 C2
9
10
VCC DN4_DM
24
23
OCURRENT_N
DN4_DP
100n 1n0 11 22 IC7
SWITCH_NDN5_DM SN75240
12 21
13
SUSPEND DN5_DP
DN2_EN_N GND
20
1
GND A
8 5V
2 7
14 19 C GND
DN3_EN_N SCL 3 6 C17
15 18 GND B
DN4_EN_N SDA 4 5 100n
16 17 D GND
DN5_EN_N INT_N
IC1-1
PDIUSBH11 R24
1
Q3
23R7
Q1 2
Q3
1 R6
15V 2
100R 3
Q3
3 R25 4
R11 23R7 Q3
4 100R
5
5 R26 Q3
INT 6 R18 23R7
6
UPSTR 5V 7
100R Q3
SCL 8
7
Q3
SDA R27 8
C24 C25 C26 23R7 R32 R13 Q3
18p 18p 18p 5V 15k 15k 9
Q3
10
R35 R31 R12 Q3
1k5 15k 15k 11
Q3
T3
BC857B 12
Q3
IC6
SN75240
R34 C18 1 8
4k7 GND A
100n 2 7
C GND
3 6 C14
GND B
4 5 100n
IC2 D GND
LP2950CZ-3.3
1 2
3 C23
3V3 R17
1
C4 Q4
100n 10u 23R7
50V 2
Q4
3
Q4
R21 4
23R7 Q4
5
R22 Q4
23R7
6
Q4
C1 7
R7 Q4
33k 1n0
C7 R23 8
23R7 R20 R4 Q4
100n
63V 15k 15k 9
L1 L2 Q4
15V 15u
5
6
VCC OUT
4
3 C8 72u C19
5V R19 R2 10
Q4
BOOT OSC 100n 15k 15k
C13 C27 7 2 D4 470u 11
C12 C11 C20 C9 COMPSS_INH R14 Q4
100n 470u 470n 1N5821 35V
22u 470u 100n 8 1 2R2
FB GND 12
35V 35V 35V R9 Q4
R8 IC3 C28 2k74 R36
8k2 L4978 2n2 18k
C3
22n
ECN
R10
4k64
SMU003D 1
447R
SB5207 08.99 Page 2
SW1 Q1
QG0329 4
3
2
1
Q2
1
R1 2
C 39k
A 3
B 4
E R2 R6 5
15k RT1 RT2
D 100k 6
10k 10k
CONTRAST BRIGHTNESS
SW2
R3
QG0401 R5
0R0
MENU 8k2
R4
680R
LED1
ECN X1 JL0059
T1
BCR141W
L1
600R
447R SMZ081 1
SB5206 08.99 Page 2
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