Main Board (3) - Panasonic UF-5500 Service Manual

UF-5500 / 4500

14.2.3. Main Board (3)

1
CN500
+5VD
AP1
C504
Z0.1u
1
5V
A
2
GND
3
XHSYNC
180 R511
4
XVIDEO
100 R501
5
XLDEN
100
6 R502
XAPC
7
GND
XVIDEO
TO LASER
XHSYNC
+24V +3.3V
CN501
C501
Z0.1u/50V
AP1
Q503
1 C
POLCLK
B
2
XREADY
3 E
POLON
4
GND
5
24V
TO POLYGON
CN502
AP1
L502
1
24V
2
+3.3V
24V
3
PG
4
PG
5
LD
6
C B
SS
C
C
Q502
7
E
CLK
8
BRAKE E
Q525
TO DC
MOTOR
LD
SS
CLK
+24V
BRAKE
24V
8
24V
7
24V
6
PG
5
PG
+7V
D 4
DG
3
7V
2
HTRCTL
1
AP1
CN504
Q500 R576
TO SMPS
4.7k
R535
Q528
47k C
+1.2V
Q527
E
E
+24V
24V
8
-
7
L503
GND
6
C
18PG181
CHG
5
C
DEV
E
B
4
TRS
3 E
Q501
HVERR
2
CVR
1
F
AP1
CN505
TO HVPS
4500 2.5MHz
5500 copy fax Tx 4.46MHz
5500 PC SCAN
2
+5VD
1:3F
L500
1:3D
15BD471
1:1E
1:1E
388∝s
XLDEN
XAPC
1:3E
B 1:3D
Q505
C
1:3D
B
E
POLCLK
( 3.86kHz)
XREADY
POLON
+24V
R515
1:1D
1k
1:1D
1:1D
B
Q526
C
1:1D
B
E
+3.3V
+5VD
IC501
5 VIN 1
CONTROL
2
GND
4 3
NC
VOUT
1:1E
HTRCTL
1:1E;5C
C570
+3.3V ( ) THRMSTR1
NC
+3.3V
IC504
6
R579
7
B
470
5
R586
( )
NC
R594
Q530
150k
1:2F;1:5C;2:2E
R596
XSYSRST
Q529
4.7k
C
B 1:3D
CHG
+3.3V
Q506
E
B 1:3D
DEV
Q504
1:3D
TRS
R520
1k
1:3D
HVERR
1:3F
TOPCVR
C
B
82k
R516
E
Q507
SI
CLK
5.208MHz
4.46MHZ
3
+3.3V
TO OPE
CN511
AP1
1
THRM
2
KSTART
3
NHSYNC
KTXD
NVIDEO 4 J180p
KSCLK
C557
NLDEN 5
OPERST
C555
6
NAPC
GND
Z0.1u
7
5V
8
BUZZER(NC)
292161-8
+24V
D
Q510
S
R525
NREADY
39(1/2W)
R568
POLCLK
TO FAN
39(1/2W)
R505
FANON
POLON
3
F150k
DET
2
GND
1
AP1
CN506
+3.3V
SENSOR
Transit
REG
10
PTOP
9
TNR
8
MMB
PICK
7
MMXA
FANDET
6
+3.3V
FANON
MMA
5
GND
4
THRM1
MMXB
3
LED
2
POUT
1
AP1
CN508
+7V
CN510
AP1
1
SIG
2
DG
3
+3.3V
4
VREF
5
DG
6
SI
7
DG
8
CLK
9
VLED
10
LED_G
11
LED_R
12
LED_B
13
CNT
TO CIS
I/O
RESOLUTION
+3.3V
CNT H 600DPI
CNT L 300DPI
1.32ms
UF-5500 SCHEMATIC DIAGRAM (MAIN BOARD No.3) (1/2)
258
4
+3.3V
R562 1k
1:1E
THRMSTR0
R563 100 1:3E
KSTART
R559 100 1:3E
KTXD
R560 180 1:3E
KSCLK
R561 1k 1:3E
OPERST
+5VD
+3.3V
R514 F150k
R532 IC504
3
+
G Q512
10k
1
2
-
+3.3V
R531
5.6k
R583 5.6k
R585 5.6k
R527 5.6k
R580 5.6k
R570 5.6k
R509 1k
R510 5.6k
+3.3V
R552 1:6B
Q518
NCCDON
1k
20
VINP
19
VRLC/VB
18
VRX
17
VRT
16
VRB
+5VA_C
15
AGND1
C537
14
AVDD
K0.1u
13
OP3/SDO
12
OP2
11
OP1
Q517
C
R550
B
1.2k
E
C
Q516
B
E
R558
L501
47
R553
82
R589
10k
1.3msec
1.3msec
1.1msec
5
1/2
3
-1
R530 1:1D
FANON1
1k
+24V
8
VCC
GND
4
IC504
1:3E
FANDET1
1:3E
REGIST
1:3F
PSTART
1:3E
TNR
1:3E
PICK
1:3F
FANDET2
1:1E;2E
THRMSTR1
1:3E
POUT
IC503
1
AGND2
2
(1)
DVDD1
3
(2)
VSMP
4 (3)
MCLK
5
(4)
DGND
6
(5)
SEN
7
(6)
DVDD2
8
(7)
SDI
9
(8)
SCK
10
OP0
(9)
C Q514
B
(10)
E
R544
1.2k
(11)
(12)
(13)
FLT500
3
1
(14)
4 2
(15)