65
HCD-RG490/RG590
IC102
R2S15208SP
REFIN 1
VCC 4
CLOCK
6
REF AMP
GND
7
ROUT
8
DATA 5
MCU
INTERFACE
LIN 2
RIN 3
LOUT
9
REFOUT
10
3BAND
PARAMETRIC
EQUALIZER
– MIC. AUX. HP Board –
IC802
M65850FP-E1
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
2
3
4
5
6
7
8
9
10
11
15
14
13
12
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
16
NC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
1
NC
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
– CD-G Board –
IC1005
SN74AHCT04NSR
IC1006
NJM2561F1-TE2
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VCC
GND
1
POWER SAVE
2
VOUT
3
VSAG
6
VCC
5
GND
4
VIN
75 OHM
DRIVER
LOW-PASS
FILTER
CLAMP
Summary of Contents for HCD-RG490; HCD-RG590
Page 22: ...22 HCD RG490 RG590 MEMO ...