Kenwood DP-4090 Service Manual page 17

AN
9G 10G
GRID DRIVER
INSTRUCTION
CONTROL
DECODER
GRID GRID
CONTROL REGISTER
DECODER
DUTY DUTYCYCLE
GENERATOR REGISTER
TIMMING
GENERATOR
DISPLAY DISPLAY
CONTROL REGISTER
BLINK BLINKCYCLE
REGISTER
GENERATOR
ADDRESS ADDRESS
COUNTER REGISTER
DC
SHIFT REGISTER
RAM
(X25- ) (B/2)
R12 E3
WH2
Q1
270 +5V
4
+5V
D1
POW/
STANDBY
S8
R8 A/D1
3
110K GND
2
1 LED
AO
11G 12G 13G
IC1
DOT DRIVER
(BOTTOM VIEW)
AA6/G14 49
49
AA7/G13 50
50
51
AA8/G12
51
52
G11
52
53
G10
53
54
G9
54
55
VFL
-39V
TEST 56
VSS 57
R9
OSCO 58
DIVIDER OSC 4.7K C1
OSCI 59
33P
VDD 60
+5V
RES 61
CE 62
CL 63
DI 64
S1
S2
S3
RANDOM
R7
910
S7 S4
E2
4
+5V
S5
REPEAT
3
2
S6
+5V
1
DP-4090/DP-5090/D-S300(M) (3/3)
Y22-4862-70
AP
14G 15G 16G
Q2
D2
R16
10K
Q3
13
AC5.5V
12
-38.1V
11
-39V
10
5.0V
C3
100u10
9
+5V
+
C2
8
0.01
7
6
( A/DO )
5
( A/D1 )
R15 220
4
R14 220
3
R13 220
2
1
R1
110K
R2
30K
R3
15K
R4
6.8K
R5
3.3K
R6
910
DP-4090/5090/D-S300
AQ
SM5843AS1
KAN03
TC74HC373AF
E1
F2
F1
VLOAD
GND
CXD2507AQ*1
+5V
RST
NC
A/D0
A/D1
DATA
CLK
ICP-N10
CE
ICP-N20
STBY
LC75712E
AR