Read Panasonic KV-S2087 (serv.man2) Service Manual 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
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