13.2. ANALOG CIRCUIT (PCB2)
L2
2A102ST
SA1
310V
SA2
1000V
RL1
3
5
4
R45
330
C60
NC
+5VA
+5VA
Q3
R47
1.5K
C58
6.3V47
C63
NC
C51
K0.01
R49
15K
C53
K0.033
R48
15K
RL1
21
C52
K0.01
C46
K0.01
+24V
R46
1.5K
L5
2KA113T
L7
2KA113T
L6
2KA113T
L8
2KA113T
+5VD
POS1
C11
250V1
R18
33K
+5VD
R50
390K
C55
J270p
C56
NC
R51
220K
+5VA
R64
22K
C49
NC
Q2
C47
16V10
+5VD
PC1
2
1
3
4
D9
D8
C54
K0.033
CN3
[0]
1
HSMIC(-)
3
HSSP(+)
2
HSSP(-)
4
HSMIC(+)
+2.0V
15K
R75
CN2
1
2
10K
R74
IC1
1
CD
2
FC2
3
FC1
4
VIN
5
V01
6
VCC
7
GND
8
VD2
K1000P
C43
110K
R73
CN4
4
a
3
b
C44
50V4.7
R80
10K
R81
6.2K
C61
6.3V47
C62
NC
+2.0V
C2
K0.01
R3
100
R4
4.7K
R1
100
+5VD
R2
4.7K
C1
K0.01
R71
0
C42
NC
R72
150K
R61
22
[1]
R62
47K
C48
6.3V47
R63
330
R17
12K(1/2W)
R12
120(2W)
+24V
+5VD
+5VA
D6
J1
NC
J2
NC
-1
IC2
3
2
1
+5VA
R14
22(1/4W)
R16
47K(1/2W)
PC2
NC
1
2
3
4
+5VD
R19
NC
R52
2.2K
C12
NC
SW1
3
1
4
2
SW2
1
2
4
3
T2
2
1
3
5
C8
(NC)
C40
NC
C41
NC
C24
K0.1
R42
27K
C25
J100p
C27
NC
R35
180K
R37
2.2K
+5VA
C23
K0.1
C32
NC
-2
IC2
7
6
5
4
8
R33
56K
C33
K8200p
C20
K0.01
R39
1.8K
R41
0
R34
56K
D12
5.6V
R36
180K
R31
180(1/4W)
C30
50V4.7
D11
5.6V
C26
Z0.1
+2.0V
L10
NC
4
1
3
2
L3
2A102ST
CN5
4
3
L4
2A102ST
C31
K0.068
R38
100K
R32
22(1/4W)
C21
NC
C22
NC
D1
NC
C6
NC
C5
NC
C7
NC
Q5
NC
R9
NC
PC4
NC
1
2
3
4
D2
NC
Q4
NC
Q11
NC
Q12
NC
R66
NC
R55
NC
PC5
NC
1
2
3
4
R23
NC
R24
NC
R25
NC
C15
NC
Q6
NC
C16
NC
R10
NC
R26
NC
R21
NC
R22
NC
+5VD
+5VD
D4
0
D3
0
R65
NC
C50
0
R67
0
C57
[4]
0
R53
[4]
0
R54
NC
ZNR1
NC
R11
NC
D13
(NC)
D14
(NC)
NC
C45
L11
2A102ST
L12
2A102ST
CN1
1
+24V
2
DG
3
+5V
4
+5VA
5
AG
6
BELL
7
EXHOOK
8
RLY
9
PAPER
10
LINERX
11
LINETX
12
HOOK
13
SPMUTE
14
P_SHORT
15
H/STX
16
SPOUT
17
H/SRX
T1
NC
2
1
3
5
C64
NC
J3
NC
C65
NC
R82
1/2W 4.7K
R83
1/2W 4.7K
R84
1/2W 4.7K
R85
1/2W 4.7K
L1
2A102ST
-1
TO SPEAKER
NOT CONNECTED
NO PAPER: 5V
PAPER: 0V
ON-HOOK: 5V
HOOK SW
PEPAR SW
OFF-HOOK: 0V
2V
0V
3.3V
LINE ON/OFF, DIALPULSE
-2V
+12V
BELL DETECT
5V
0V
FAX TX
FAX RX
ANALOG BOARD SCHEMATIC DIAGRAM
KX-FT72BR-G
-
KX-
FT72B
R
-G
160
Summary of Contents for KX-FT72BR-G
Page 3: ...1 1 LCD MESSAGE 1 INTRODUCTION 3 KX FT72BR G ...
Page 8: ...1 11 TEST CHART 1 11 1 ITU T NO 1 TEST CHART 8 KX FT72BR G ...
Page 9: ...1 11 2 CCITT NO 2 TEST CHART 9 KX FT72BR G ...
Page 10: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 10 KX FT72BR G ...
Page 29: ...2 3 4 3 MULTIPLE FEED CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 29 KX FT72BR G ...
Page 30: ...2 3 4 4 SKEW CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 30 KX FT72BR G ...
Page 34: ...CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 34 KX FT72BR G ...
Page 39: ...2 3 5 1 4 THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE 39 KX FT72BR G ...
Page 45: ...45 KX FT72BR G ...
Page 46: ...CROSS REFERENCE TEST FUNCTIONS P 82 46 KX FT72BR G ...
Page 47: ...CROSS REFERENCE TEST FUNCTIONS P 82 47 KX FT72BR G ...
Page 48: ...48 KX FT72BR G ...
Page 49: ...CROSS REFERENCE TEST FUNCTIONS P 82 CROSS REFERENCE TEST FUNCTIONS P 82 49 KX FT72BR G ...
Page 50: ...50 KX FT72BR G ...
Page 51: ...51 KX FT72BR G ...
Page 52: ...CROSS REFERENCE TEST FUNCTIONS P 82 52 KX FT72BR G ...
Page 58: ...58 KX FT72BR G ...
Page 59: ...Normal Wave Patterns 59 KX FT72BR G ...
Page 61: ...CROSS REFERENCE NG EXAMPLE P 63 CHECK THE STATUS OF THE DIGITAL BOARD P 64 61 KX FT72BR G ...
Page 62: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 64 62 KX FT72BR G ...
Page 63: ...2 3 6 2 NG EXAMPLE 63 KX FT72BR G ...
Page 66: ...2 3 7 2 DEFECTIVE ITS INTEGRATED TELEPHONE SYSTEM SECTION 66 KX FT72BR G ...
Page 68: ...2 Troubleshooting Flow Chart 68 KX FT72BR G ...
Page 69: ...69 KX FT72BR G ...
Page 73: ...2 3 11 READ SECTION Refer to SCANNING BLOCK P 112 73 KX FT72BR G ...
Page 79: ...2 4 5 SERVICE MODE SETTINGS Example of a printed out list 79 KX FT72BR G ...
Page 85: ...3 2 HOW TO REMOVE THE OPERATION BLOCK 85 KX FT72BR G ...
Page 86: ...3 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 86 KX FT72BR G ...
Page 87: ...3 4 HOW TO REMOVE THE BOTTOM FRAME AND ANALOG BOARD 87 KX FT72BR G ...
Page 88: ...3 5 HOW TO REMOVE THE DIGITAL POWER SUPPLY BOARD AND AC INLET 88 KX FT72BR G ...
Page 89: ...3 6 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 89 KX FT72BR G ...
Page 90: ...3 7 HOW TO REMOVE THE MOTOR AND GEARS OF MOTOR BLOCK 90 KX FT72BR G ...
Page 91: ...3 8 HOW TO REMOVE THE IMAGE SENSOR CIS 91 KX FT72BR G ...
Page 92: ...3 9 HOW TO REMOVE THE DOCUMENT FEED ROLLER 92 KX FT72BR G ...
Page 93: ...3 10 HOW TO REMOVE THE THERMAL HEAD 93 KX FT72BR G ...
Page 94: ...3 11 INSTALLATION POSITION OF THE LEAD WIRES 94 KX FT72BR G ...
Page 96: ...4 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 4 4 BRIDGE MODIFICATION PROCEDURE 96 KX FT72BR G ...
Page 97: ...5 CIRCUIT OPERATIONS 5 1 CONNECTION DIAGRAM 97 KX FT72BR G ...
Page 99: ...5 2 1 General Block Diagram 99 KX FT72BR G ...
Page 109: ...5 4 2 BLOCK DIAGRAM 109 KX FT72BR G ...
Page 111: ...111 KX FT72BR G ...
Page 117: ...5 4 6 3 4 COPYING CROSS REFERENCE SENSOR SECTION P 72 117 KX FT72BR G ...
Page 132: ...5 10 1 CIRCUIT DIAGRAM 132 KX FT72BR G ...
Page 135: ...5 12 POWER SUPPLY BOARD SECTION 135 KX FT72BR G ...
Page 137: ...6 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 137 KX FT72BR G ...
Page 138: ...7 FIXTURES AND TOOLS 138 KX FT72BR G ...
Page 140: ...8 2 UPPER CABINET SECTION 140 KX FT72BR G ...
Page 141: ...8 3 LOWER CABINET P C B SECTION CROSS REFFERENCE MOTOR SECTION P 142 141 KX FT72BR G ...
Page 142: ...8 4 MOTOR SECTION 142 KX FT72BR G ...
Page 143: ...8 5 ACTUAL SIZE OF SCREWS 143 KX FT72BR G ...
Page 144: ...9 ACCESSORIES AND PACKING MATERIALS 144 KX FT72BR G ...
Page 163: ...163 KX FT72BR G Y M KXFT72BRG ...