Panasonic KV-S2087 (serv.man2) Service Manual ▷ View online
121
13.1.23. No.23 (D/A Converter)
KS-V2087H MAIN Board No.23
F
E
D
C
B
A
78
56
4
23
F
D
A
B
E
C
C753
100p
GND
GND
R1206
47k
CL496
CL493
CL494
CL495
C751
100p
GND
C752
100p
R1205
47k
DAC1_LD
19:2B
R1204
47k
C755
K0.1u
GND
DAC1_CLK
19:6E
DAC1_DI
19:2B
C754
22u
IC48
1
NC1
2
AO3
18
AO1
19
AO2
3
AO4
20
GND
4
AO5
17
DI
5
AO6
16
CLK
6
AO7
15
LD
7
AO8
14
NC2
8
AO9
13
AO12
9
AO10
12
AO11
10
VDD
11
VCC
C757
K0.1u
GND
C756
22u
+3.3VSLP
+3.3VSLP
WAITING_OFFSET_DAC
30:5D
WAITING_LED_DAC
30:3D
IMPRINTER_ST_LED_DAC
31:3D
ENDING_LED_DAC
31:3B
STARTING_OFFSET_DAC
30:5C
WAITING_COMP_DAC
30:7D
JS_GAIN
29:1C
STARTING_COMP_DAC
30:7C
STARTING_LED_DAC
30:3C
+3.3VSLP
+3.3VSLP
C760
100p
GND
GND
R1209
47k
CL500
CL497
CL498
CL499
C758
100p
GND
C759
100p
R1208
47k
DAC2_LD
19:6E
R1207
47k
C762
K0.1u
GND
DAC2_CLK
19:2B
DAC2_DI
19:2B
C761
22u
IC49
1
NC1
2
AO3
18
AO1
19
AO2
3
AO4
20
GND
4
AO5
17
DI
5
AO6
16
CLK
6
AO7
15
LD
7
AO8
14
NC2
8
AO9
13
AO12
9
AO10
12
AO11
10
VDD
11
VCC
C764
K0.1u
GND
C763
22u
IMPRINTER_OFFSET_DAC
31:5D
LEDDA_G_F
4:1D
IMPRINTER_COMP_DAC
31:7D
LEDDA_R_B
7:2D
LEDDA_B_B
7:2B
LEDDA_B_F
4:1D
LEDDA_G_B
7:2C
ENDING_COMP_DAC
31:7B
ENDING_OFFSET_DAC
31:5B
C_CUR
26:2C
EXIT_CUR
27:3C
PLATEN_CUR
27:3E
S_CUR
26:2A
LEDDA_R_F
4:1D
GND
R1462
47k
DAC1
DAC2
D/A Converter
D/A Converter
122
13.1.24. No.24 (DC/DC Converter)
KS-V2087H MAIN Board No.24
F
E
D
C
B
A
78
56
4
23
F
D
A
B
E
C
CN13
1
+12V
2
GND
3
GND
4
+24Va
5
+24Va
6
GND
7
+24Vb
8
GND
9
PWRDWN
10
GND
GND
GND
*SLEEP_AN
1:7B
Q17
+VCC_SUB
+3.3VCPU
+12V
D24
D20
D18
D15
D23
D25
Q19
C768
1u
50v
GND
GND
C796
1000p
C793
220u
16v
C779
0.01u
C799
100p
C777
1u
50V
C775
100u
35V
GND
IC55
1
NC
2
NC/A
4
REF
5
A
3
K
+2.5VSLP
D19
+3.3VSLP
+5VSLP
D22
D14
D13
R1210
47k
R1211
47k
R1242
47k
R1241
0
+2.2VSLP
D21
OVP
25:1B
C769
1u
50v
GND
R1212
39
D10
Q23
R1215
10k
Q22
FAN_ON
19:2B
R1216
10k
GND
GND
R1218
820
0.25w
C770
10u
10v
R1217
2.4k
D11
Q24
GND
R1221
100
C773
47u
6.3
D12
GND
GND
CL501
CL502
CL505
CL508
CL511
Q20
C_ENB
19:4B;26:2D
R1227
390k
R1228
82k
R1234
1.8k
R1235
2.2k
0.5%
IC50
1
BST
2
VIN
3
SW
4
GND1
5
FB
6
RT
7
EN
8
SS
9
GND2
R1233
7.32k
1
C789
390p
L104
C776
10u
25v
C780
0.1u
C787
0.1u
GND
R1225
82
+12V
*SLEEP_LOG
1:7B;21:2C;24:3E;25:1C
R1226
1k
R1223
1k
*SLEEP_LOG
1:7B;21:2C;24:4C;25:1C
C784
0.01u
R1220
10k
IC52
1
SW
2
BOOT
3
EN
4
GND1
5
FB
6
COMP
7
RLIM
8
VIN
9
GND2
C797
100pF
50V
C794
1000pF
50V
R1238
%
1
k 8
6
R1239
1%
5.9k
L107
10u
L105
10u
R1232
100k
C788
2700pF
C785
39pF
R1230
1%
43k
R1231
100k
R1229
1%
10k
10k
C786
2700pF
R1224
1k
R1219
10k
IC51
1
SW
2
BOOT
3
EN
4
GND1
5
FB
6
COMP
7
RLIM
8
VIN
9
GND2
C778
0.01u
C774
1u
50V
R1236
%
1
k 5
7
C772
100u
35V
R1237
1%
5.36k
GND
L106
10u
C783
39pF
R1222
10k
+24VSLP
+24VIMP
C792
0.1u
C795
0.01u
+3.9VSLP
C798
0.01u
C800
0.01u
C801
1000p
+12VSLP
+3.9VSLP
CL509
CL506
CL503
C804
10u
25
FAN_ERR
19:6C
+3.3VL
+12V_REG
+12VSLP
CL510
GND
CL507
CL504
L109
L111
C805
10u
25
C807
10u
25
IC54
3
VOUT
2
GND
1
VIN
D17
R1240
0
CL577
CL578
CL579
CL581
CF1
+3.9VSLP
C2164
1000pF
C2165
1000pF
C2166
1000pF
C2167
1000pF
GND
+12V
C2168
1000pF
C2169
1000pF
GND
+12VSLP
C2170
1000pF
C2171
1000pF
C2172
1000pF
C2173
1000pF
C2174
1000pF
GND
+24VIMP
C2175
1000pF
GND
+24VSLP
C2176
1000pF
C2177
1000pF
C2178
1000pF
C2179
1000pF
C2180
1000pF
C2181
1000pF
GND
C802
0.1u
C809
0.1u
C803
0.1u
C766
0.1u
C781
0.1uF
C782
0.1uF
+24VSLP
R1465
2.2k
R2143
0
+12VSLP
C2216
1000p
C2217
100p
GND
C791
10uF
25V
C2218
10uF
25V
C2219
10uF
25V
C2220
10uF
25V
C790
47u
6.3V
CN14
1
2
CL617
CL618
CL619
CL620
CL621
To POWER Board
D
S
G
To FAN
24V
12V
12V
3.9V
24V
10V
14V
12V
S
S
DC/DC Converter
123
13.1.25. No.25 (DC/DC Converter)
KS-V2087H MAIN Board No.25
F
E
D
C
B
A
78
56
4
23
F
D
A
B
E
C
+3.3VCPU
+12V
D31
Q31
C818
10u
35v
POWER_SW
1:2D;22:4C
Q32
C822
10u
25
GND
POWER_CNT
1:7C
C821
5 2
u 0 1
D30
+VCC_SUB
C834
1000p
+VCC_SUB
C843
1000p
C817
10u
25v
+3.3VSLP
GND
+2.5VSLP
+VCC_SUB
C847
10u
25v
F3
1A
+3.3VL
Q27
+3.3VCPU
R1249
1.2k
C814
47u
16v
C812
0.1u
R1252
4.7k
R1251
47k
R1254
47k
R1256
47k
R1255
47k
+VCC_SUB
C846
10u
25v
C870
1000p
C829
47u
16v
R1263
47k
R1257
4.7k
R1262
47k
D32
Q26
OVP
24:8E
R1243
820
C810
0.1u
GND
R1245
390
R1248
27k
R1247
10k
+12V
Q28
R1250
2.2k
C813
10u
25
D27
D28
R1253
1k
D29
R1266
0
D33
IC56
1
A
2
B
4
Y
5
VCC
3
GND
+3.3VCPU
GND
*SLEEP_LOG
1:7B;21:2C;24:3E;24:4C
R1244
1.2k
C811
2.2u
GND
R1246
12k
D26
Q25
+VCC_SUB
GND
C815
1u
Q29
GND
C841
10u
25v
Q34
Q33
R1267
47k
IC59
1
BOOT
2
VIN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
R1269
1%
75k
R1270
1%
24k
C845 0.1u
L114
10u
C850
0.1u
C849
4700p
C848
39p
C838
1000p
C828
0.1u
R1264
75k
1%
R1265
24k
1
C826
4700p
R1259
2.2k
1%
C824
39p
L113
10u
C820
0.1u
C816
10u
25v
C823
39p
C827
0.1u
GND
R1260
62k
1%
L112
15u
R1261
11.8k
1%
C825
4700p
R1258
10k
1%
C819
0.1u
IC58
1
BOOT
2
VIN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
IC57
1
BOOT
2
VIN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
C855
39p
C861
0.1u
GND
IC61
1
BOOT
2
VIN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
R1273
25.5k
1%
R1274
12k
1%
C858
4700p
R1272
3.3k
1%
C852
0.1u
L116
6.8u
L115
6.8u
C854
39p
C860
0.1u
GND
IC60
1
BOOT
2
VIN
3
SW
4
GND1
5
FB
6
COMP
7
EN
8
SS
9
GND2
R1275
21k
1%
R1276
12k
1%
C857
4700p
R1271
3.3k
1%
C851
0.1u
CF2
+5VSLP
C836
0.1u
C856
0.1u
C859
1000p
C862
0.01u
C863
0.01u
C865
0.01u
C833
0.1u
C835
0.01u
C867
0.1u
C869
1000p
C871
0.01u
C872
0.01u
C873
0.01u
C868
0.01u
C839
0.1u
C842
0.1u
C844
1000p
C837
0.01u
C840
0.01u
CL513
D34
C882
10u
10v
C883
0.1u
CL517
C874
0.1u
GND
C875
10u
10v
CL512
+1.2VCPU
C877
0.1u
C880
10u
10v
CL520
CL522
C885
10u
10v
GND
CL515
C881
10u
10v
C886
10u
10v
D37
GND
C889
0.1u
C878
0.1u
CL516
CL523
CL518
+1.2VB
+2.2VSLP
+2.2VSLP
C879
10u
10v
+2.2VSLP
C887
0.1u
C876
0.1u
D35
C884
10u
10v
CL521
CL519
CL514
GND
D36
C888
0.1u
+1.2VF
IC62
6
VIN
3
ON/OFF
1
VOUT
2
VSS1
4
SSC
5
VSS2
IC64
6
VIN
3
ON/OFF
1
VOUT
2
VSS1
4
SSC
5
VSS2
IC65
6
VIN
3
ON/OFF
1
VOUT
2
VSS1
4
SSC
5
VSS2
IC63
3
SSC
4
VIN
5
VOUT
1
ON/OFF
2
VSS
C2137
1000pF
GND
+1.8VSLP
C2138
1000pF
GND
C2139
1000pF
C2140
1000pF
C2141
1000pF
C2142
1000pF
+2.2VSLP
GND
+2.5VSLP
C2143
1000pF
C2144
1000pF
C2145
1000pF
C2146
1000pF
GND
+3.3VL
C2150
1000pF
C2151
1000pF
C2152
1000pF
C2153
1000pF
C2154
1000pF
C2155
1000pF
GND
+3.3VSLP
C2156
1000pF
C2157
1000pF
C2158
1000pF
C2159
1000pF
C2160
1000pF
C2161
1000pF
C2162
1000pF
C2163
1000pF
GND
C2185
0.1u
GND
C853
47uF
6.3V
C830
22u
10V
C832
22u
10V
C831
47u
6.3V
C866
47u
6.3V
C864
47u
6.3V
R1268
3.3k
1%
CL622
CL623
CL624
CL625
CL626
Q30
R2162
47k
R2163
47k
Q62
Q63
R2164
10k
GND
R2165
10k
R2166
12k
R2167
100k
+12V
C2269
0.1u
D2101
5.856V
12V
3.3V
2.5V
2.2V
5V
3.3V
Power ON/OFF
OVP
3.3VCPU
1.2VCPU
2.2V
1.8V
2.2V
1.2VFRONT
2.2V
1.2VBACK
DC/DC Converter
124
13.1.26. No.26 (Paper Feed & Conveyor Motor Drives)
KS-V2087H MAIN Board No.26
F
E
D
C
B
A
78
56
4
23
F
D
A
B
E
C
C901
N.M.
C903
N.M.
C897
N.M.
C899
N.M.
C905
N.M.
C907
N.M.
C890
100u
16
GND
GND
+24VSLP
+3.3VL
+3.3VL
Q36
R1277
390
R1278
300
R1293
10k
R1295
N.M.
R1284
22
C912
100u
35v
CN16
1
2
3
4
5
6
GND
Q35
R1282
22
R1283
22
R1286
22
R1285
22
R1281
22
GND
GND
C898
N.M.
C908
N.M.
C904
N.M.
C902
N.M.
C906
N.M.
C900
N.M.
GND
R1288
22
R1280
300
R1296
N.M.
R1291
22
R1292
22
R1289
22
GND
R1287
22
R1290
22
GND
R1279
270
+3.3VL
GND
GND
+24VSLP
GND
C913
100u
35v
6.3
R1294
22
F4
4A
F5
4A
C892
10u
10v
C894
0.1u
C909
0.1u
C896
0.1u
C910
0.1u
C895
0.1u
*SRES
1:8B;3:2F;10:2C;19:2B
S_CUR
23:4C
C_CUR
23:4C
+5VSLP
*LRES
27:3C
R1299
2.2k
IC66
1
BB
2
PG2
3
B
4
A
5
AB
6
PG1
7
MOI
8
FAULT2
10
MODE1
9
VDD
11
MODE2
12
CLOCK
13
CWB
15
ENABLE
14
RESETB
16
FAULT1
17
MODE3
18
SG
19
VREF
IC67
1
BB
2
PG2
3
B
4
A
5
AB
6
PG1
7
MOI
8
FAULT2
10
MODE1
9
VDD
11
MODE2
12
CLOCK
13
CWB
15
ENABLE
14
RESETB
16
FAULT1
17
MODE3
18
SG
19
VREF
DRV_FAULT
19:4B
C_ENB
19:4B;24:2E
C_M3
19:5E
C_M2
19:5E
C_M1
19:5E
C_CCW
19:5E
C_CLK
13:6B
S_ENB
19:4B
S_M3
19:5E
S_M2
19:5E
S_M1
19:5E
S_CCW
19:5E
S_CLK
1:7D
C893
0.1u
C891
10u
10v
+5VSLP
Q53
Q54
+3.3VL
+3.3VL
CL582
CL583
CL584
CL585
CL586
CL587
CL588
CL589
CL590
CL591
C2196
1000p
C2197
100p
GND
C2199
1000p
CN15
1
2
3
4
5
6
C2198
100p
GND
GND
C2200
1000p
C2201
100p
GND
C2203
1000p
C2202
100p
For Separate Motor
For Conveyor Motor
To Separate Motor
To Conveyor Motor
FEED_RA
*FEED_RA
COMMON_RA
COMMON_RB
FEED_RB
*FEED_RB
CONVEYOR_RA
*CONVEYOR_RA
COMMON_RA
COMMON_RB
CONVEYOR_RB
*CONVEYOR_RB
Ref:Max1.48V
Ref:Max 1.8V
Paper Feed Motor
Conveyor Motor
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