Panasonic KX FLB758RU User Manual

13 FOR THE SCHEMATIC DIAGRAMS
Note: 1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
 2. The schematic diagrams and circuit board may be modified at any time with the develop ment of new technology.
 3. 
261
KX-FLB75 8RU
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14 SCHEMATIC DIAGRAM14.1. DIGITAL BOARD (PCB1)
+5VD
-2
IC611
5
6
7
+5VD
+5VD
+5VD
+5VD
IC608
64Mbit SDRAM1
VCC-1
2
DQ0
3
VCCQ-3
4
DQ1
5
DQ2
6
VSSQ-6
7
DQ3
8
DQ4
9
VCCQ-9
10
DQ5
11
DQ6
12
VSSQ-12
13
DQ7
14
VCC-14
15
DQML
16WE
17CAS
18RAS
19CS
20
A13
21
A12
22
A10
23
A0
24
A1
25
A2
26
A3
27
VCC-27 28
VSS-28 29
A4 30
A5 31
A6 32
A7 33
A8 34
A9 35
A11 36
N.C.-36 37
CKE 38
CLK 39
DQMU 40
N.C.-40 41
VSS-41 42
DQ8 43
VCCQ-43 44
DQ9 45
DQ10 46
VSSQ-46 47
DQ11 48
DQ12 49
VCCQ-49 50
DQ13 51
DQ14 52
VSSQ-52 53
DQ15...

RA606471 2
3 45
6
7
8
RA608 47
1 2 3 456
7
8RA607 471 2
3 456
7
8
RA605 47
1 2 3 456
7
8
IC604
T18SDDATA[5]T17SDDATA[6]R20SDDATA[7]R19SDDATA[8]R18SDDATA[9]R17SDDATA[10]P20SDDATA[11]P19SDDATA[12]P18SDDATA[13]P17SDDATA[14]N20SDDATA[15]V11VDDL19VSSV15SDADDR[0]Y16SDADDR[1]W16SDADDR[2]V16SDADDR[3]Y17SDADDR[4]W17SDADDR[5]Y18SDADDR[6]W18SDADDR[7]Y19SDADDR[8]W19SDADDR[9]Y20SDADDR[10]W20SDADDR[11]V20SDADDR[12]U20SDCASnV19SDRASnV18SDWRnV17SDCSnM19SDCLK100MHzW11VDDL20VSSM2
P80VDD
M1
P80VSS
M17VGG1D14VGG2
D5
VGG3...

10MHz
28MHz
+3.3V
+5VD
IC60512 3
+5VD
IC604
U13EV_VD[4]Y14EV_VD[5]W14EV_VD[6]V14EV_VD[7]V13EV_CLKB10VDDL3VSSU15PLLVDDW15PLLREF_XOUTY15PLLREF_XINU16PLLVSSV3TDOV4TDIW1TRSTnW2TMSW3TCKD9FCS0nJ18CACHEHITA8FCS1nM18CLK_CONFIG2N18XAKnN19W_RnC10VDDL4VSSV12SDAA_SPKRE1SDAA_PWRCLKE2SDAA_PWRCLKnE3SDAA_DIBnE4SDAA_DIBpV9TONE...

+24V
+5VD
+24V
+5VD
+5VD
PG
TP608
CN6081
SIG 2
GND 3
CISON 4
CISSEL 5
DPISEL 6
FTG 7
GND 8
F1 9
GLED 10VLED
CN6051 +24V
2 +24V
3PG
4PG
5XA
6A
7B
8XB
9C1
10 C2
11 +5V
12 DG
13 LED
14 PAPER
IC604
V5ADVAY5ADGAU5ADGDY4ADCVCY2ADCREFnY3ADCREFpY6SENIN0W6SENIN1V6SENIN2W5SCINV8SC_START0U9SC_CLK1U7SC_LEDCTRL0Y8SC_LEDCTRL1W8SC_LEDCTRL2U1GPIO[6]U2GPIO[5]A10VDDL1VSSV2TESTJ1SCANMODJ2TEST_MODEJ3P80SELF3SSD_DIBRXF2TX_DATAF1SDAA_GPIO_INTL2VSSG20XINH20XOUTF17VRTCW12EV_VD[0]U12EV_VD[1]Y13EV_VD[2]
U4
GPIO[3]
A9
CS[1]n
T3...

15 SCHEMATIC DIAGRAM
15.1. ANALOG BOARD (PCB2)
FAX Rx SignalFAX Tx Signal
+5VD
IC2053 2
1
+12VA
+12VA
IC206
7 6
5
4 8
IC2011STR2CLOCK3DATA4VDD5VOXOUT6VOXDET7VOXIN8VSS9NC910ROUT211ROUT112RIN13VCC14HSMICIN115HSMICIN216HSMICOUT17NC1718NC1819NC1920EXTIN21EXTOUT22LINEOUT23LINEIN24MODEMTXIN25MODEMTXOUT26NC2627TONEIN28NC2829NC2930GND31MODEMRXOUT32VLIN33VREF34VLOUT35SPOUT36SPIN
RY2012
1IC2073 2
1
+5VA
+24VA
T203NC2
13
4
5
IC205
7
6
5
4 8
PC2011
23
4
+5VD...

+5VD
+5VA
3
2 4
PS2011
2 3
4
RY203NC
6
7 5
+5VA
+5VD
RY20221
+5VD
T2022
1
3
4
5
+12VA
VREF
PC2031
23
4
RY201
NC3
5 4
FL221
5
8
7
62
3 4
1
RY202
3
5 4
IC2093
2
1
PC2021
23
4
+5VA
IC210
NC
1GND2GAIN3RXIN4RXOUT5TXDET6TXIN7VC8VCC
IC209
7 6
5
4
8
+5VA
CN2051a1
2 E(G)/A2
3 a/A1
4 b/B1
5 S(W)/B2
6b1
+5VD
RY20318
IC208
1VCC2DET
3IN4GND5OUT
+24VA
PC2051
23
4
+5VA
+5VD
+5VA
+5VD
+5VD
+24V
+24V
CN2031b1
2 S(W)
3 b/B1
4 a/A1
5 E(G)
6a1
SW20112
43
+5VD
+5VD
+24VA
PC2041
234
CN2021 +24V
2 CID
3AG
4 LINEIN
5 EX-HOOK
6...

15.2. OPERATION BOARD (PCB3)
180Ω
+5VDCN101
1+5V 2GND 3JOG1 4JOG2
5KSTART 6
KLATCH 7
KSCCLK 8KTXD 9KRXD
10RESET 11FG
C102
K0.01uC106 J100p
C105
J100p
C104
J100pC101
Z0.1u
C103 J100p
C118 6.3V100
R104
R103
R106
R102
R105
R101
4
SW102
FLASH
SW115
VOL-
SW129
MONITOR
SW116
SW108
0
COPY
SW135
F5
SW122
COLLATE
SW132
RESOLUTION
SW133
VOL+
SW126
REDIAL
SW113
HELP
SW130
HANDSET MUTE
SW114
7
SW103
MENU
SW131
STOP
SW136
F3
SW123
8
SW107
NEXT
SW128
SCAN TO PC
SW134
F2
SW121
5
SW106
CALLER ID
SW125
FAX START
SW137
1...

IC101
30RESET
33 TXD
32 RXD
31 SCLK
34 LATCH
35 START
42 KIN0
3 KIN1
7 KIN2
8 KIN3
11 KIN4
12 KIN5
13 KIN6
14 KIN7
43 KSL0 41
LED5 20
XLD14 9
XLD10 15
XLD12 2
LED6 29
D7 28
D6 27
D5 26
D4 25
E 24
R/W 23
RS 21
XLD15 40
VDD 17
VDD
44 KSL1 LED4 38
1 KSL2 22
LED1
10 KSL3 16
XLD11
4 KSL4 37
LED3
19 XLD13 5
XLD8
18 GND 6
XLDX9
39 GND 36
LED2
+5VD
+5VD
+5VD
CN1021 GND
2 +5V
3V0
4RS
5 R/W
6E
7D0
8D1
9D2
10 D3
C110 Z0.1uC111 Z0.1u
NC
C116(   )NC
C108(   )
C117 Z0.1u
C113
Z0.1u
NC
C115(   )
C109 NC
(   )
NC
C107(...

15.3. HIGH VOLTAGE POWER SUPPLY BOARD (PCB4)
16 15 14 13 12 11 10 912345678
R1291.5kR1281.5k
R102100k
R120
47k
C102
0.047C112
1000p
R202
15.8k
CN27
CN25
CN23
CN29
CN26
CN24
CN28
CN22
CN21
DEV CHG
LED
DRUM
REGIST
TRA CLK
CHG REM
TOP CVR +24V
GND
R201 1.5k
PC201
R105
IC101
10k
R10410k 165k
R106
10k
R127
IP101
SW101
C101
35V47
R123 10k
C104
50V2.2 R117
2.7k
C103
50V1 R116
2.7k
R126 10k
R107
665k
R125 10k
Q103D111
D112
C111
1000p
Q102
C110 0.01
R121
10kR124
10k
R122
10k
R119 7.78k
R1037.78k
C212 220p
0.5V...