Panasonic KX-P7100 Service Manual page 77

A B
+24V
1
PSU
CN7
7
+24V
6
+24V
5
24VGND
4
24VGND
3
+5V
2
5VGND
1
nFCTL
R63
0
Not Used
+24VIR
2
DOOR CN8
1
+24V
2
24VGND
3
+24VIR
R69
1k
CN9
THERMISTOR R64
390K 1%
1
+5V R70
2
TH
1k
3
Q18
HVU
CN10
10
9
+5V
8
nTR
7
nTRCTL
6
nDB
5
nDBCH
4
4
nCHGCTL
3
24VGND
2
24VGND
1
+24VIR
Q2
Q1
Q3
5
CN20
TE_R R185
1
TE_ROUT
2
510
5VGND
+24V
POWER<+24V>
POWER<+5V>
+5VLD
+24VIR
POWER<+5VLD> POWER<+24VIR>
6
GND<+24V>
+5VSP
POWER<+5VSP>
FG
FG-B FG-D
GND<+5V>
FG-A FG-E
FG-C
A B
C D
+24VIR 8
VCC
IC9
GND
4
Q4
R76 R78
1k 1k
nFSRCTL
R74
2.2k
Q7
R75
2.2k
IC9
3
1
2
nDOPEN
THERMISTOR
003:F4
PUNIT
006:D4
FANERR
001:B4;003:G3
CPUCLK
005:F2
Q19 nTECTL
005:H2
EEPDO
005:H2
R164
EEPCLK
005:H2
EEPCS
005:G5
220
SNRCLK
006:A4
+5VSP 5VCTL
Not Used
Q5
005:F2
TRCTL
005:F2
DBCH
IC10
005:F2
CHGCTL
1 3
GND CD
2 4
VDD RESET
Q6
005:G3
TRPWM
005:G4
DBPWM
005:F2
TESEN
C D
E F
C98
0.1u
17
P63
18 64
P64 P45
19 63
nRST P44
20 62
MOD0 P43
21 61
MOD1 P42
22 60
X0 IC11 P41
23 59
X1 INT20
24 58
VSS PT01
25 57
P27 WTO
26 56
P26 VCC
27 55
P25 P35
28 54
P24 PT02
29 53
P23 SI1
30 52
PPG02 SO1
31 51
PPG01 SCK1
32 50
P20 P30
49
C/NC
Not Used
nRST
002:B4;003:D5
005:F2
nSNRLD
005:F2
SNRCTL
005:D4
SNRCLK
(Main Control Board)
E F
77
G H
1
Not Used
IC13
DIP
8 1 005:D4
EEPCS
VCC CS
7 2 005:D4
NC SK EEPCLK
6 3 005:D3
EEPDO
TEST DI
5 4 005:F5
EEPDI
GND DO
2
IC12
SOP
8 1
VCC CS
7 2
NC SK
6 3
TEST DI
5 4
GND DO
3
006:G2
I1_CTL
003:A4
nCS
003:A5
SI2
003:A5
SO2
003:A5
SCK2
001:E2
PSAVE_E
005:C5
TRPWM
002:C2
13.5 s
nCBSY_E
002:D2
nPRINT_E
005:C5
DBPWM 5 ms 5 ms
002:C2
CXD_E
002:B3
SXD
002:C2
CCLK_E
002:B3
nPRDY
002:B3 4
nTOP
002:B3
nSBSY
001:B3;002:;002:
nPURGE
Not Used
C102
+24V
47u/35V
CN11 POLYGON
5
+24V
4
24VGND
3
nSNRCTL
R90
2
nSNRLD
1
510 nSNRCLK
+5VSP
Q8
5
Q9
6
5/6
KX-P7100
G
KX-P7100