Panasonic KX-MB2061CXB Service Manual page 310

KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
17.2.3. Main Board (3)
1
CN500
+5VD
AP1
C504
1
5V
A
2 Z0.1u
GND
3
XHSYNC
180 R511
4
XVIDEO
5 100 R501
XLDEN
6 100 R502
XAPC
7
GND
TO LASER
+24V +3.3V
CN501
C501
Z0.1u(1608)
AP1
Q503
1 C
POLCLK
B
2
XREADY
E
3
POLON
4
GND
5
24V
TO POLYGON
MB2060
CN502
R590
AP1
0.22(1/2W)
1
24V
2
+3.3V
24V
3
PG
4
PG
5
LD
6
C B
SS
C
Q502
C
7
E
CLK
8
BRAKE
E
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
TO SMPS
R535
Q528
C
47k
+1.2V
Q527
E
E
+24V
24V
8
-
7 L503
GND
6
CHG
5
C
DEV
4
TRS
3 E
Q501
HVERR
2
CVR
1
AP1
F
CN505
TO HVPS
2
+5VD
1:3F
L500 15BD471
1:3D
1:1E
1:1E
XVIDEO
388µs
XLDEN
XAPC
XHSYNC
1:3E
B
1:3D
Q505
C
B
1:3D
E
POLCLK
( 3.86kHz)
XREADY
POLON
+24V
R591 L502
0.22(1/2W)
R515 1:1D
1k 1:1D
1:1D
B
Q526
Q525
C
1:1D
B
E
+5VD
IC501
5 1
CONTROL
VIN
2
GND
4 3
NC
VOUT
R576 1:1E
HTRCTL
1:1E;5C
4.7k
THRMSTR1
+3.3V
+3.3V
IC504
6
R579
7
B
470
5
R586
( )
R594
NC
150k
Q530
1:2F;1:6C;2:4E
R596
Q529
4.7k
C
B
1:3D
+3.3V
C
E
B Q506
1:3D
E
Q504
1:3D
B
R520
1:3D
1k
1:3F
C
B
R516
E
82k Q507
KX-MB2061CX / KX-MB2062CX SCHEMATIC DIAGRAM (MAIN BOARD No.3) (1/2)
3
TO OPE
CN511
AP1
THRM 1
2
KSTART
3
NHSYNC
KTXD
4
NVIDEO J180p
KSCLK
C557
5
NLDEN
OPERST
6
NAPC
GND
7
5V
8
BUZZER(NC)
Q510
R525
NREADY
39(1/2W)
R568
TO FAN
POLCLK
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
+3.3V
+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
CISHOME
TO FLAT
BED & ADF
XSYSRST
CHG
DEV
TRS
HVERR
1.32ms
TOPCVR
SI
CLK
4.46MHZ
310
4
+3.3V +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
C555
+5VD
Z0.1u
+24V
+3.3V
MB2060
R514
F150k
R532
D
G
2.7k(3216)
1
S
Q512
IC504
+3.3V
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
1k
Q518
+5VA_C
C537
K0.1u
Q517
C
R550
B
1.2k
E
Q516
C
E
L501
R558
47
+3.3V
R589
5.6k
5
1/2
3
-1
R530
1:1D
3
+ FANON1
1k
2
- +24V
8
VCC
GND
4
IC504
R531 1:3E
FANDET1
5.6k
1:3E
REGIST
1:3F
PSTART
1:3E
TNR
1:3E
PICK
1:3F
FANDET2
1:1E;2E
THRMSTR1
1:3E
POUT
NCCDON
IC503
20 1
VINP AGND2
2
19 (1)
VRLC/VB DVDD1
3
18
(2)
VRX VSMP
17 4
(3)
VRT MCLK
16 5 (4)
VRB DGND
15 6
(5)
AGND1 SEN
14 7
(6)
AVDD DVDD2
13 8
(7)
OP3/SDO SDI
9
12
(8)
OP2 SCK
10
11
OP1 OP0
(9)
Q514
C
B
(10)
E
R544
B
1.2k
(11)
(12)
(13)
FLT500
R553
2 1
(14)
82
4 3
(15)