HP LaserJet Pro 300 Service Manual - Page 144

Duplexer PCA diagram, Solve problems

Page 144 highlights

ENWW 7 6 5 4 3 2 1 +3.3VB +24VB2 +3.3VB 1 R811 3.9K,0.063W 2 +3.3VB 1 R812 820,0.063W 2 +3.3VA 12 C813 8 0.01U,50V/NOTMNT 1 R813 9 4.7K,0.1W 2 J150 1 J10P R814 1 2 1K,0.1W MAINTH R815 1 2 (CPU-37p) 1K,0.063W 12 C812 J150 2 J10P 0.1U,25V 12 C107 0.1U,25V 21 3 IC3 V 14 LM339EDT +3.3VD 47U,35V/NOTMNT R828 2 1 2K,0.063W FSRD (CPU-71p) R816 1 2 100,0.063W J151 1 J18P J151 2 J18P J151 3 J18P +3.3VA C68 J151 4 J18P J151 5 J18P R51 22K,0.063W C71 2 1 12 2 1 12 12 C70 C119 10U,6.3V 0.1U,25V/NOTMNT +3.3VB 2 31 Q10 12 RTR030P02 R2 100K,0.063W 1 2 R45 1K,0.1W/NOTMNT 12 C121 100P,50V 1 J153 1 J4P J153 2 J4P J153 3 J4P J153 4 J4P VS1-7134004 B4B-PH-KBL-H(LF) 2 R1501 51K,0.1W 12 C102 0.1U,25V R1502 1 2 ENVTEMP F (ASIC-43p) 3.3K,0.063W C103 0.1U,25V 12 R1503 1 2 3.3K,0.063W 12 ENVHUM (ASIC-42p) C104 0.1U,25V > E 1 R821 6.8K,0.063W R822 2K,0.063W 1 2 +3.3VD 0.1U,25V/NOTMNT J151 6 J18P ASICOFF VCTRLOFF (CPU-44p) (CPU-72p) J154 1 J2P +24VA J152 J152 6 J6P 5 J6P +24VA 12 12 2 C824 0.1U,25V/NOTMNT C870 J154 2 J2P Q11 2 3 DEVSL (ASIC-68p) J152 4 J6P DUPSWBKCL (ASIC-35p) 12 8 J150 3 J10P +3.3VA 1 2 R823 4.7K,0.1W C823 0.01U,50V R824 1 2 1K,0.1W SUBTH R825 1 2 5 V 7 6 IC831 4 LM393EDT 0.1U,25V SUPRT (A506) RLD (CPU-28p) R827 2 (A506) +3.3VB 1 J151 8 J18P 7 J18P R197 22K,0.063W J151 2 R66 1 2 100,0.063W ZEROX 12 C58 1000P,50V (CPU-55p) 1 +24VB VS1-7171002 8-292131-2 2SD1866 > 2 D801 1SS355@ J152 3 J6P 1 2 +3.3VB R61 47K,0.1W D DUPFANON (CPU-24p) (Dup_unit Detect) 12 J150 4 J10P (CPU-38p) 10K,0.063W C822 0.1U,25V FSRPRSS 2.7K,0.1W 1 R826 1 2 150,0.063W FSRRLD1 J151 9 J18P 1 J152 2 J6P DUPSWBKSL (ASIC-32p) J150 5 J10P +3.3VB R141 1 +3.3VB 3 IC3 10 V 13 11 J151 10 J18P FSRRLD2 (A506) 2 +3.3VB R202 22K,0.1W 1 1.3K,0.063W +3.3VB R98 1.2K,0.063W 21 12 LM339EDT +3.3VA R134 1 J152 1 J6P VS1-7327006 R201 1 2 1K,0.1W DUPFANLK C66 (ASIC-36p) 21 2 1 J150 6 J10P R70 22K,0.063W 2 R68 2 1 1K,0.063W PFULLS (CPU-100p) (CPU-2p) J151 11 J18P 22K,0.063W R131 2 1 1K,0.063W C73 PWRSWON (CPU-66p) 55447-0670 1000P,50V/NOTMNT C 12 12 2 J150 7 J10P +3.3VB C44 0.1U,25V J151 12 J18P J151 13 J18P PSREM24V (ASIC-52p) (100V/200V Detect) 1000P,50V/NOTMNT +24VA (CHK24V) J155 1 J6P (CHKGND) 2 J6P J155 > 1 +3.3VB J151 14 J18P J155 3 J6P R188 30K,0.063W 2 R176 +24VA J155 4 J6P J150 8 J10P 2 1 1K,0.063W POUTS (CPU-1p) J151 15 J18P +3.3VB J155 5 J6P 1 12 R700 12 21 C51 1000P,50V/NOTMNT +3.3VB C72 22K,0.063W J155 6 J6P 0.1U,50V/NOTMNT OPTPS R701 2 B (CPU-16p) 1 2 1K,0.063W 21 J150 9 J10P R190 22K,0.063W 2 R191 2 1 1K,0.063W FSRPRSS 1 J151 16 J18P C67 22U,50V/NOTMNT C700 1000P,50V/NOTMNT 1 +3.3VB R703 47K,0.063W VS1-7171006 8-292131-6 > 12 2 C56 1000P,50V/NOTMNT +24VS (CPU-15p) OPTPKSL J151 17 J18P +3.3VB HVT 1 J150 10 J10P R192 22K,0.063W 2 R193 2 1 1K,0.063W C57 100P,50V 12 LOOPS (ASIC-77p) J151 18 J18P VS1-7145018 3-292207-8 CP900 1 check Zebra pattern JNT4 1J 2 R903 0,1AW/NOTMNT 2 1 5: FSR, LVT, DUP , OPT, ENV, DEVSL A > for HVT VS1-7145010 3-292207-0 > 120 Chapter 2 Solve problems Duplexer PCA diagram Figure 2-14 Duplexer PCA diagram CD1-7

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270

Duplexer PCA diagram
Figure 2-14
Duplexer PCA diagram
CD1-7
A
B
4
3
2
C
D
E
F
6
5
1
7
V
V
V
J
(A506)
for HVT
HVT
Zebra pattern
<< ENVIRONMENT SENSOR >>
(Dup_unit Detect)
(100V/200V Detect)
(CHKGND)
(CHK24V)
<< LVT >>
(CPU-71p)
(CPU-37p)
(A506)
(CPU-38p)
(CPU-2p)
(CPU-100p)
(CPU-1p)
(ASIC-77p)
(CPU-72p)
(CPU-55p)
(CPU-66p)
(ASIC-52p)
(CPU-16p)
(CPU-15p)
(ASIC-68p)
(A506)
(ASIC-43p)
(ASIC-42p)
(CPU-24p)
(ASIC-35p)
(ASIC-32p)
<< OPTION PCA >>
<< DEV SL >>
<< DUPLEX PCA>>
(CPU-44p)
(CPU-28p)
5: FSR, LVT, DUP , OPT, ENV, DEVSL
(ASIC-36p)
<< FUSER >>
FSRPRSS
FSRPRSS
PWRSWON
1
2
C67
22U,50V/NOTMNT
2
1
C121
100P,50V
R2
100K,0.063W
+3.3VB
VCTRLOFF
1
55447-0670
VS1-7327006
J152
4
B4B-PH-KBL-H(LF)
VS1-7134004
J153
2
8-292131-2
VS1-7171002
J154
6
VS1-7171006
8-292131-6
J155
18
J151
3-292207-8
VS1-7145018
10
3-292207-0
VS1-7145010
J150
+24VS
+24VA
+24VA
+24VA
+24VB
+24VB2
2
1
10U,6.3V
C119
2
1
0.1U,25V/NOTMNT
C70
1
2
C68
47U,35V/NOTMNT
+3.3VB
PFULLS
+3.3VA
2
1
D801
1SS355@
FSRRLD2
17
J151
16
J151
15
J151
14
J151
13
J151
12
J151
11
J151
10
J151
9
J151
8
J151
7
J151
6
J151
5
J151
4
J151
3
J151
2
J151
1
J151
ENVHUM
ENVTEMP
2
1
C103
0.1U,25V
51K,0.1W
R1501
R1503
3.3K,0.063W
1
2
0.1U,25V
C104
+3.3VB
1
2
0.1U,25V
C102
3.3K,0.063W
R1502
2
J153
2
1
JNT4
ASICOFF
1
2
C107
0.1U,25V
+3.3VB
R45
1K,0.1W/NOTMNT
R824
1K,0.1W
+3.3VB
+3.3VB
R66
100,0.063W
R701
1K,0.063W
OPTPKSL
47K,0.063W
R703
1
J155
R815
1K,0.063W
R825
10K,0.063W
R134
22K,0.063W
+3.3VA
14
9
8
3
12
LM339EDT
IC3
1.2K,0.063W
R98
R141
1.3K,0.063W
R828
2K,0.063W
12
3
10
11
13
IC3
LM339EDT
2
1
0.1U,50V/NOTMNT
C72
2
1
C870
0.1U,25V
1
2
0.1U,25V/NOTMNT
C824
5
6
7
8
4
IC831
LM393EDT
DEVSL
DUPFANLK
0,1AW/NOTMNT
R903
SUBTH
MAINTH
FSRD
1
2
1000P,50V/NOTMNT
C66
1K,0.1W
R201
SUPRT
4
J152
6
J152
5
J152
3
J152
2
J152
22K,0.1W
R202
R61
47K,0.1W
22K,0.063W
R51
R816
100,0.063W
R813
4.7K,0.1W
9
J150
7
J150
5
J150
3
J150
2
J150
1
J150
22K,0.063W
R197
150,0.063W
R826
2
1
C71
0.1U,25V/NOTMNT
2
1
3
Q11
2SD1866
1
CP900
2
1
3
Q10
RTR030P02
1K,0.063W
R131
R191
1K,0.063W
R190
22K,0.063W
2
1
C823
0.01U,50V
2
1
C813
0.01U,50V/NOTMNT
R823
4.7K,0.1W
1
J153
30K,0.063W
R188
6.8K,0.063W
R821
R822
2K,0.063W
1K,0.063W
R176
R812
820,0.063W
2
1
C822
0.1U,25V
R827
2.7K,0.1W
R814
1K,0.1W
2
1
C812
0.1U,25V
3.9K,0.063W
R811
2
1
C51
1000P,50V/NOTMNT
1
2
1000P,50V/NOTMNT
C56
1K,0.063W
R193
22K,0.063W
R192
2
1
C57
100P,50V
2
1
C58
1000P,50V
1
J154
3
J153
2
1
C73
1000P,50V/NOTMNT
1
2
0.1U,25V
C44
R70
22K,0.063W
R68
1K,0.063W
4
J150
6
J150
8
J150
DUPFANON
DUPSWBKCL
DUPSWBKSL
RLD
PSREM24V
POUTS
LOOPS
ZEROX
+3.3VA
+3.3VA
+3.3VB
+3.3VB
+3.3VB
+3.3VB
5
J155
4
J155
2
J155
3
J155
R700
22K,0.063W
1
2
1000P,50V/NOTMNT
C700
OPTPS
+3.3VB
FSRRLD1
+3.3VB
+24VA
+3.3VD
+3.3VD
+3.3VB
+3.3VB
+3.3VB
+3.3VB
120
Chapter 2
Solve problems
ENWW