— 44 —
9. CIRCUIT EXPLANATION
9-1. Block Diagram
(BN-20 only)
EL driver
DC/AC inverter
(BN-20 only)
EL
LCD
319
×
160 dots
Segment-TAB
(LSI4, 5)
Bias
generator
for LCD (IC708)
Electronic
contrast
adjustment
VLCO
POWER SUPPLY
V5EXT
V2SYS
V3SYS
V5SYS
AC Adapter
AD-A70140
34.5 kHz
Common-
TAB(LSI3)
Clock
KEYS
Buzzer
KI/KO
TX/RX
Clock
CPU
(LSI1)
10.14 MHz 32.768 kHz
Data bus
Gate array
(LSI2)
RX/TX
TX/RX
TX/RX
RX/TX
MODEM
BW-100
Line driver/receiver
(IC501)
TX/RX
TELEPHONE
RX/TX
MINI CRADLE
Personal computer
CPU/Gate array etc.
CPU
START BUTTON
RS-232C
Address bus
1 Mbits S-RAM
(LSI303)
16 Mbits
MASK ROM
(LSI301)
8 Mbits
FLASH ROM
(LSI304)
(BN-20 only)
8 Mbits
FLASH ROM
(LSI306)
8 Mbits
FLASH ROM
(LSI308)
Содержание BN-10
Страница 1: ...R BN 10 ZX 456 BN 20 ZX 457 NOV 1997 without price BN 20 ...
Страница 49: ... 49 Main block PCB ASSY A140806 2 5 FM3416 Gate array ...
Страница 50: ... 50 Main block PCB ASSY A140806 3 5 1 KEY81 CHECK TRANS KEY is a key for TEST not one for users ...
Страница 51: ... 51 Main block PCB ASSY A140806 4 5 LINE DRIVER RECEIVER ...
Страница 52: ... 52 Main block PCB ASSY A140806 5 5 AC Adapter Batteries ...
Страница 55: ... 55 Display block LCD ASSY A140809 A140814 2 3 LCD common terminal driver ...
Страница 56: ... 56 Display block LCD PCB ASSY A140809 A140814 3 3 LCD segment terminal driver ...
Страница 57: ... 57 Cradle A140805 BN 10 20 PCB Z456 1 shielded ...
Страница 65: ...CASIO TECHNO CO LTD Overseas Service Division 8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 0023 Japan ...