Hitachi DZ-HS303A Service Manual page 179

1 2
S-19 IC Block (1/2)
F
IC1301
µPD168153
48 47 46 45 44 43 42 41 40 39
1
CH CH
OUTPUT OUTPUT
2
SIGNAL SIGNAL
3
4
D/A CONVERTER &
1/N
DRIVE CONTROL
5
E
6
IRIS
LOGIC
7
8
H0
9
H5
10
11
12
H4
D
13 14 15 16 17 18 19 20 21 22
IC1302,IC1306
IC1307
NJM13404R-TE1
NJM3414AV-TE1
1 1
VDD 8
7
A A
B
2 2
3 3
6
C
4 VSS 5 4 GND
IC1303
IC1308
SN74AHC1G66HDCK
MB88347PFV
GND 3
16
15
1 2
14
13
4 VCC 5
12
CONV.
11
B IC1305
10
NJM13403V-TE1
9 VCC
1 14
A IC1403,IC1403C
D
NJU7018VTE1
2 13
3 12
1
4 V+ 11
GND
5 10
6 9
2
A
3
B C
VSS
4
7 8
1 2
3
IC2001C
SN74ALVC04PWR
38 37
1 2
36
3 4
5 6
35
9 8
34
11 10
13 12
33
32
31
30
H3
29
H1
28
27
26
H2
25
23 24
VCC 8
7
B
6
5
R2A45003HBGW0
VSS 1
2
VSUB1,2
3
TIMING GENERATOR
EXP
4
D/A M SHT
5
6 STROBO
7
CDS PGA
CDS IN
VDD 8
VDD 8
7
6
5
3
4 5
IC2003,IC2003C,IC2004
UPD16510GR
VSB 20 4 VDD2a
19
VDD1 16 VDD2b
VSS 2
TI1 7
5
TO1
PG1 8
BI1 9
3 BO1
TI2 14
PG2 13
17 TO2
BI2 12
SUB1 10
18 BO2
N.C. 11
VCC 6
1 SUBO
GND 15
IC2100,IC2101
CLK O
DLL CLK I
ALL LOAD
ODP,PBLK SP1,SP2,ADCK
RESET
12bit SUBTRACTION
D0-D11
ADC CODE
SERIAL
CLAMP BIAS
INTERFACE
SN74AHC1G66HDCK
4 5
S - 19
6 7
IC2103
IC2102
TC7PA04FU
NJM2872AF35
3.5V
1
1 5
REG
2 GND VCC
2 GND
NOISE
3
3 4
BYPASS
IC2201C
HD49334ANP
12 16 17 19
27
TIMING
GENERATOR
14
22
CDS PGA
20
23
DC OFFSET SERIAL BIAS
COMPANSETION
21 INTERFACE GENERATOR
CIRCUIT
15 35 34 33 24
IC2301
IC2302,IC2700
TC7W126FU
TK11215CMC
G2 Y1 A2 V IN
8 7 6 5 6
VCC
CONT.
GND
1 2 3 4
G1 A1 Y2
VREF
IC4011
1
CTL GND
1 VCC 5
SW
2
3 GND 4
6 7
8
F
6
5
4
E
13 10 18 32
9
8
10bit
7
ADC
6
5
D
4
3
2
1
36
29 28 30
C
V OUT
4
OVER
CURRENT
PROTECT
B
2 3
NP
A
8