Main Board (2) - Panasonic KX-MB2085CXW Service Manual

KX-MB2085CXW/KX-MB2090CXW

16.2.2. Main Board (2)

1
RESIST
A
SOLENOID
+24V
CN503
24V
2
RESIST
Q502
1
R500
AP1
1k
R508
B2B-PH-K-S(LF)(SN)
47k
+24V
PICK-UP
SOLENOID
E
R516
B B
Q510
3.3k(2125)
CN509
C
PICK
2
24V
1
AP1
B2B-PH-K-S(LF)(SN)
NC
P24V
TO SMPS C
B
2-292161-8
E
Q520
24V
Q527
8
24V
LVIN
7
24V
6
GND
5
GND
4
GND
3
7V
2
HTRCTL
C
1
CN504
TO DCMOTOR
CN502
+24V
AP1
R501
1
24V
+3.3V
2
24V
3
PG
4
Q507
PG
5
LD
6
Q508
SS
7
CLK
8
Q509
BRAKE
B8B-PH-K-S(LF)(SN)
D
+3.3V
TO OPE
CN511
AP1
1
THRM
R563 100
2
KSTART
R565 0
3
KTXD
4 R560 150
KSCLK
5 R561 1k
OPERST
+5VD
6 +3.3V
GND
7
5V
8
3.3V
292161-8
S3.3V
S5V
292161-7
+3.3V
CN500
E
1
3.3V
2
GND
3
XHSYNC
L500
150 R511
4
XVIDEO
15BD471
5
1 4
XLDEN
RA502 100
6
2 3
XAPC
7
GND
+3.3V
AP1
1
POLCLK
2
XREADY
Q505
3 C
POLON
+24V
B
4
GND
Q503
E
C
5
24V
B
CN501 E
292161-5
TO LSU
F
2
+24V
P24V +24V
0(2125)
R810
NC
Q807
1:3D
SNRESIST S3.3V
Q806
NC
+3.3V
Q519
Q522
R529 R530
C
B
B
1k 8.2k
R528
Q521
E
NC
15k
1:1E
PWRDWN1
R534
1.8k
+3.3V
IC504
Q500 6
R582
7
5
R583 47k
100k
R577
Q530
4.7k
+3.3V
R578
47k
C538
K1u
Q528
R507
1:1E
MMB TO HVPS
1k
1:1E
MMXA
292161-8
1:1E
24V
MMA
-
1:1E
GND
MMXB
CHG
DEV
TRS
HVERR
CVR
R562
1:1C
THRMSTR1
1k
1:1D
KSTART
TO FLAT
1:1D
KTXD
BED & ADF
1:1D
KSCLK
1-292161-2
1:1D
OPERST
CN510
SIG
DG
3.3V
VREF
DG
SI
DG
CLK
VLED
1:3F
NHSYNC
10
LED_G
1:3E
NVIDEO
11
LED_R
1:1E
NLDEN
12
LED_B
1:1E
NAPC
1:3E
NREADY
1:1E
POLON
1:3D
POLCLK
3
+5V
LVIN +5VD
S5V
0(1608)
R827
D805 NC
NC
IC802
Q809
3 2
IN OUT1
4
OUT2
R828
NC
ADJ
1
C826
NC
S3.3V
Q808
NC
1:3D
SNPICK
1:1F
HTRCTL
R575 6D;1:1C
THRMSTR0
560k
+3.3V
R579
470
+24V
R537
R538
47k
1.5k
+24V
C
B
E
8 Q506
C
B
7
+3.3V
E
Q504
C
B
6
E
Q501
5
4 R637
1k
3 Q611
DRC9143E0L
2
82k R633
1
CN505
LVIN +24V
+3.3V
R552
1:3B
Q518
1k
R535
1
2
3
4
5
R521
6
47
7
8
9
Q513
Q517
NC
C
B
E
+3.3V
R589
NC
206
4
+3.3V
LVIN
R800 L800 4.7u
0(1608)
Q422
B3B-PH-K-S(LF)(SN)
R428
FANON
3
39(1/2W)
DET
2
GND
1
CN506
TO FAN
Q424
R443
39(1/2W)
SENSOR
Transit
RESIST
10
1:3D
CHG
PTOP
9
1:3D
TNR
DEV
8
PICK
1:3D 7
TRS
FANDET
6
FANON
S3.3V
5
1:3D
GND
HVERR
4
1:3F
TOPCVR
THRM0
3
LED
2
POUT
1
AP1
CN508
1-292161-0
+3.3V
NCCDON
IC503
15BB121
20
VINP AGND2
19
VRLC/VBIAS DVDD1
18
NC VSMP
17
VRT MCLK
16
VRB DGND
15
AGND1 SEN
14
AVDD DVDD2
13
OP3/SDO SDI
12
OP2 SCK
11
OP1 OP0
C
Q516 Q511
NC
Q512
R550
C
B R544
E
330
330
E
R553
FLT501
180
1
3 4
KX-MB2085CXW MAIN BOARD (No.2) (1/2)
1/2 2/4
+3.3V S3.3V
2
-1
0(2125)
R802
NC
Q800
NC
R839
NC
C800
PWRDWN2
7B;7C;1:1F
(1)
+24V
(2)
4.7k(3216)
R426
(3)
(4)
+24V
R441
4.7k(3216)
+3.3V
(5)
(6)
(7)
(8)
(9)
(10)
(11)
+3.3V
1
2
3
(12)
+3.3V
4
(13)
C533
5
K0.1u
6
(14)
7
1:3B
8
AFESIFDOUT
1:3B
9
AFESIFCLK
10
1:3A
AFEADC[0-3]
Q514
NC
R541
B
1:3B
LEDONG
330
1:3B
LEDONR
1:3B
LEDONB
1:3A
CCDSH
1:3F
CISHOME
1:3A
CCDCLK
2