15.
3. O
P
E
R
A
T
IO
N
BO
A
R
D
(P
CB3)
3.3V
0V
5V
0V
LED ON : 0V
LED OFF : 5V
5V
0V
5V
0V
+5V
C310
Z0.1u
R303
18K
R305
2.2K
C303
6.3V 100u
C314
Z0.1u
SW352
31
42
R315
100
C316
K0.01u
R314
4.7K
SW353
31
42
R317
100
C317
K0.01u
R316
4.7K
+5V
CN303
1
MICIN
2
3
GND
C304
Z0.1u
R351
330
R352
6.8K
C354
6.3V 100u
C306
J100P
C302
Z0.1u
C308
J330P
C309
J330P
( )
NC
R304
R318
4.7
+5V
+5V
+5V
+5V
CN302
1
GND
2
+5VLCD
3
VO
4
RS
5
R/W
6
E
7
D0
8
D1
9
D2
10
D3
SW301
FAX/START
/SET
SW305
4
SW306
SW307
FLASH
SW308
7
SW309
2
SW310
5
SW311
0
SW312
REDIAL/
PAUSE
SW313
8
SW314
3
SW315
6
SW316
#
SW317
MUTE
SW318
9
SW319
COPY
SW321
PREV
SW326
MENU
SW329
AUTO ANSWER
SW330
ONE TOUCH 5
SW331
LOWER
SW333
CALLER-ID
SW334
JUNK FAX
PROHIBITOR
SW335
ONE TOUCH 2
SW336
ONE TOUCH 3
( )
NC
D301
C352
K0.0068u
R353
22K
Q301
R354
150
R355
560K
R356
3.3K
C353
J330P
C351
K0.01u
R306
2.2K
C311
Z0.1u
( )
NC
R307
SW327
(+)
R312
270
LED301
NEW MESSAGES
CN301
1
MICIN
2
AG
3
+5V
4
DG
5
KSTART
6
KLATCH
7
KRXD
8
KTXD
9
KSCLK
10
RESET
+5V
IC301
30
RESET
31
SCLK
32
RXD
33
TXD
34
LATCH
35
START
42
KIN0
3
KIN1
7
KIN2
8
KIN3
11
KIN4
12
KIN5
13
KIN6
14
KIN7
43
KSL0
41
LED5
38
LED4
37
LED3
36
LED2
29
D7
28
D6
27
D5
26
D4
25
E
24
R/W
23
RS
22
LED1
19
XL13
40
VDD
17
VDD
44
KSL1
2
LED6
1
KSL2
5
XL8
10
KSL3
6
XL9
4
KSL4
XL12
15
9
XL10
16
XL11
18
GND
20
XL14
39
GND
21
XL15
+5V
R313
220
JUNK FAX
SW320
STOP
SW322
NEXT
SW324
RECORD
SW325
ERASE
SW328
HELP
SW332
ONE TOUCH 4
SW337
ONE TOUCH 1
R302
270
SW302
MONITOR
SW303
(-)
SW304
1
SW323
PLAY
MESSAGE
( )
C305
NC
R320
0
R321
0
R322
0
R323
0
R324
0
R325
0
R326
0
DOCUMENT
TOP SW
DOCUMENT
SET SW
TO DIGITAL
TO COB
TO MIC
MIC (+)
MIC (-)
TO DIGITAL
TO LCD
Not used
Not used
Not used
KX-FP342BX : OPERATION BOARD (PCB3)
KX-FP342BX
194
Summary of Contents for KX-FP342BX
Page 21: ...4 1 2 COMPONENT LOCATIONS 21 KX FP342BX ...
Page 33: ...5 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 33 KX FP342BX ...
Page 34: ...5 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 34 KX FP342BX ...
Page 35: ...5 2 4 HOW TO REMOVE THE IMAGE SENSOR CIS 35 KX FP342BX ...
Page 36: ...5 2 5 HOW TO REMOVE THE THERMAL HEAD 36 KX FP342BX ...
Page 37: ...5 2 6 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER 37 KX FP342BX ...
Page 38: ...5 2 7 HOW TO REMOVE THE PICKUP ROLLER 38 KX FP342BX ...
Page 39: ...5 2 8 HOW TO REMOVE THE CASSETTE LEVER 39 KX FP342BX ...
Page 40: ...5 2 9 HOW TO REMOVE THE BOTTOM FRAME 40 KX FP342BX ...
Page 41: ...5 2 10 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY SENSOR BOARDS AND AC INLET 41 KX FP342BX ...
Page 42: ...5 2 11 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 42 KX FP342BX ...
Page 43: ...5 2 12 HOW TO REMOVE THE GEARS OF MOTOR BLOCK 43 KX FP342BX ...
Page 44: ...5 3 INSTALLATION POSITION OF THE LEAD WIRES 44 KX FP342BX ...
Page 57: ...6 5 2 SREVICE MODE SETTINGS Note The above values are the default values 57 KX FP342BX ...
Page 71: ...71 KX FP342BX ...
Page 85: ...85 KX FP342BX ...
Page 86: ...CROSS REFERENCE TEST FUNCTIONS P 50 86 KX FP342BX ...
Page 87: ...CROSS REFERENCE TEST FUNCTIONS P 50 87 KX FP342BX ...
Page 88: ...CROSS REFERENCE TEST FUNCTIONS P 50 88 KX FP342BX ...
Page 89: ...CROSS REFERENCE TEST FUNCTIONS P 50 89 KX FP342BX ...
Page 90: ...90 KX FP342BX ...
Page 91: ...91 KX FP342BX ...
Page 92: ...CROSS REFERENCE TEST FUNCTIONS P 50 92 KX FP342BX ...
Page 96: ...96 KX FP342BX ...
Page 100: ...I O and Pin No Diagram 100 KX FP342BX ...
Page 104: ...6 6 7 3 NG EXAMPLE 104 KX FP342BX ...
Page 109: ...6 6 9 2 TROUBLESHOOTING FLOW CHART 109 KX FP342BX ...
Page 115: ...6 6 13 THERMAL HEAD SECTION Refer to THERMAL HEAD P 129 115 KX FP342BX ...
Page 116: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 116 KX FP342BX ...
Page 118: ...7 2 1 GENERAL BLOCK DIAGRAM 118 KX FP342BX ...
Page 120: ...7 3 2 MEMORY MAP 120 KX FP342BX ...
Page 128: ...7 4 2 BLOCK DIAGRAM 128 KX FP342BX ...
Page 131: ...TIMING CHART i Print Duty 50 or less ii Print Duty more than 50 131 KX FP342BX ...
Page 150: ...150 KX FP342BX ...
Page 159: ...8 REFERENCE MATERIAL DATA 8 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 159 KX FP342BX ...
Page 162: ...8 3 TEST CHART 8 3 1 ITU T No 1 TEST CHART 162 KX FP342BX ...
Page 163: ...8 3 2 ITU T No 2 TEST CHART 163 KX FP342BX ...
Page 164: ...9 FIXTURES AND TOOLS 164 KX FP342BX ...
Page 165: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 165 KX FP342BX ...
Page 166: ...10 2 OPERATION PANEL SECTION 166 KX FP342BX ...
Page 167: ...10 3 BACK COVER SECTION 167 KX FP342BX ...
Page 168: ...168 KX FP342BX ...
Page 169: ...10 4 UPPER CABINET SECTION 169 KX FP342BX ...
Page 170: ...10 5 LOWER CABINET P C BOARD SECTION CROSS REFERENCE MOTOR SECTION P 171 170 KX FP342BX ...
Page 171: ...10 6 MOTOR SECTION 10 7 ACTUAL SIZE OF SCREWS 171 KX FP342BX ...
Page 172: ...11 ACCESSORIES AND PACKING MATERIALS 172 KX FP342BX ...
Page 180: ...8 REFERENCE MATERIAL DATA 8 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 159 KX FP342BX ...
Page 183: ...8 3 TEST CHART 8 3 1 ITU T No 1 TEST CHART 162 KX FP342BX ...
Page 184: ...8 3 2 ITU T No 2 TEST CHART 163 KX FP342BX ...
Page 185: ...9 FIXTURES AND TOOLS 164 KX FP342BX ...
Page 186: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 165 KX FP342BX ...
Page 187: ...10 2 OPERATION PANEL SECTION 166 KX FP342BX ...
Page 188: ...10 3 BACK COVER SECTION 167 KX FP342BX ...
Page 189: ...168 KX FP342BX ...
Page 190: ...10 4 UPPER CABINET SECTION 169 KX FP342BX ...
Page 191: ...10 5 LOWER CABINET P C BOARD SECTION CROSS REFERENCE MOTOR SECTION P 171 170 KX FP342BX ...
Page 192: ...10 6 MOTOR SECTION 10 7 ACTUAL SIZE OF SCREWS 171 KX FP342BX ...
Page 193: ...11 ACCESSORIES AND PACKING MATERIALS 172 KX FP342BX ...