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Handheld Personal Computer
A-10/A-11(ZX-305/314)
R
MAR. 1997
(without price)
A-11


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CONTENTS
HARDWARE SPECIFICATIONS -------------------------------------------------------------- 1
General Specifications ------------------------------------------------------------------- 1
Electrical Specifications----------------------------------------------------------------- 1
UNPACKING ---------------------------------------------------------------------------------------- 3
OPTIONS --------------------------------------------------------------------------------------------- 3
GENERAL GUIDE --------------------------------------------------------------------------------- 5
DESKTOP COMPUTER SYSTEM CONFIGURATION ---------------------------------- 7
SETTING UP ---------------------------------------------------------------------------------------- 7
REPLACING BATTERIES ----------------------------------------------------------------------- 8
Replacing the Main Batteries ---------------------------------------------------------- 8
Replacing the Back-up Battery------------------------------------------------------ 10
Optional Battery Pack ------------------------------------------------------------------ 10
RESETTING THE A-10/A-11 ----------------------------------------------------------------- 11
To reset the A-10/A-11 ----------------------------------------------------------------- 11
CONNECTING THE A-10/A-11 TO A DESKTOP COMPUTER --------------------- 12
CONNECTING TO EXTERNAL EQUIPMENT ------------------------------------------- 12
REPLACING MEMORY SLOT --------------------------------------------------------------- 13
MEMORY BACKUP/RESTORE -------------------------------------------------------------- 15
Backup -------------------------------------------------------------------------------------- 15
Restore -------------------------------------------------------------------------------------- 17
BLOCK DIAGRAM ------------------------------------------------------------------------------ 19
DEVICE FEATURES ---------------------------------------------------------------------------- 20
LSI/IC DATA -------------------------------------------------------------------------------------- 22
MB87A908A (SYSTEM LSI / U3) ----------------------------------------------------- 22
MBCG25942-5110 (GATE ARRAY / U4) ------------------------------------------- 25
HD6417096: SH3 (CPU / U1) ---------------------------------------------------------- 27
MC34119 (U5) ----------------------------------------------------------------------------- 29
MAX3241CAI (U6) ------------------------------------------------------------------------ 29
UPD42S16165LG5 ----------------------------------------------------------------------- 30
RN5VD18CA (U9) ------------------------------------------------------------------------- 30
XC61A or RH5V Series (U12 ~ 17, U32) ------------------------------------------- 31
TFDS3000TR3: IrDA Module (U18) ------------------------------------------------- 31
MAX608 (U20, U22) ---------------------------------------------------------------------- 31
RN5RY Series (U23) --------------------------------------------------------------------- 32
RN5RG Series (U26) -------------------------------------------------------------------- 32
LA5312V (U601) -------------------------------------------------------------------------- 32
HV803 (IC801) ----------------------------------------------------------------------------- 33
UPD23C32000LGY ----------------------------------------------------------------------- 33
EMI FILTER ARRAY --------------------------------------------------------------------- 33
POWER SUPPLY CIRCUIT ------------------------------------------------------------------- 34
Primary Circuit---------------------------------------------------------------------------- 34


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5 V Circuit ---------------------------------------------------------------------------------- 35
3 V Circuit ---------------------------------------------------------------------------------- 36
25 V Circuit --------------------------------------------------------------------------------- 37
Voltage Line ------------------------------------------------------------------------------- 37
DETECTOR CIRCUIT --------------------------------------------------------------------------- 38
DIAGNOSTIC PROGRAM --------------------------------------------------------------------- 39
Introduction -------------------------------------------------------------------------------- 39
Boot ------------------------------------------------------------------------------------------ 40
IrDA Communication Test ------------------------------------------------------------ 46
Current Consumption and Voltage Detectors Check ------------------------ 48
Voltage Detectors Check -------------------------------------------------------------- 50
Finishing ------------------------------------------------------------------------------------ 52
DISASSEMBLY ---------------------------------------------------------------------------------- 54
Memory Slot ------------------------------------------------------------------------------- 54
Lower Case B Ass'y -------------------------------------------------------------------- 55
Z305-1 PCB Ass'y ------------------------------------------------------------------------ 56
Upper Case B Ass'y (Keyboard Unit) --------------------------------------------- 57
LCD Module and Touch Panel ------------------------------------------------------- 58
WIRING DIAGRAM ------------------------------------------------------------------------------ 60
PCB VIEW ----------------------------------------------------------------------------------------- 61
Z305-1 PCB (1/2) ------------------------------------------------------------------------- 61
Z305-1 PCB (2/2) ------------------------------------------------------------------------- 62
SCHEMATIC DIAGRAMS --------------------------------------------------------------------- 63
Z305-1 PCB 1/7 (CPU, SYSTEM LSI) ----------------------------------------------- 63
Z305-1 PCB 2/7 (POMCIA CARD I/F) ----------------------------------------------- 64
Z305-1 PCB 3/7 (MEMORY) ----------------------------------------------------------- 65
Z305-1 PCB 4/7 (AUDIO, TOUCH PANEL) --------------------------------------- 66
Z305-1 PCB 5/7 (RS232C, IrDA, 3-PIN) -------------------------------------------- 67
Z305-1 PCB 6/7 (POWER SUPPLY) ------------------------------------------------ 68
Z305-1 PCB 7/7 (DETECTOR) -------------------------------------------------------- 69
Z305-S1 PCB (EL) ------------------------------------------------------------------------ 70
Z305-LD PCB (LCD POWER) --------------------------------------------------------- 71
Z305-KY PCB (KEYBOARD) ---------------------------------------------------------- 72
Z305-MMR PCB (MEMORY SLOT) -------------------------------------------------- 73
EXPLODED VIEW AND PARTS LIST ----------------------------------------------------- 74
COMPONENT ------------------------------------------------------------------------------ 74
UPPER CASE B ASS'Y ----------------------------------------------------------------- 76
Z305-1 PCB ASS'Y ----------------------------------------------------------------------- 78
LOWER CASE B ASS'Y ---------------------------------------------------------------- 78
DISPLAY UNIT ---------------------------------------------------------------------------- 82
* Windows is a registered trademark of Microsoft Corporation in the U.S.A. and other countries.
* i486DX and Pentium are registered trademarks of Intel Corporation.


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-- 1 --
HARDWARE SPECIFICATIONS
General Specifications
Model:
A-10/A-11
Display:
480
× 240 dots/0.24 dot pitch, FSTN LCD, 4 grayscale monochrome
CPU:
SH3
Memory
RAM:
(A-10) 2 Mbytes, (A-11) 4 Mbytes
ROM:
4 Mbytes
Speaker:
Sound
Interfaces:
RS-232C: 115.2 kBPS
Data communication jack
PC card slot
Infrared port (IrDA Standard)
Power Supply:
Main
Two AA-size alkaline batteries LR6 (AM3);rechargeable battery pack(NH-10);
AC adaptor (AD-C50150)
Back-up
One CR2032 lithium battery
Power Consumption: 3.8 W
Battery Life:
Main
Two AA-size alkaline batteries:20 hours (in Word, continuous cycle of one-
minute input and 10-minutes input standby)
Rechargeable battery pack:14 hours (in Word, continuous cycle of one-minute
input and 10-minutes input standby)
* Main Battery life is shortened considerably by use of a modem card or any
other high power consumption PC card.
Back-up
5 year (when main battery is replaced immediately after appearance of low
battery message)
1 month (when unit is left without a main battery)
Operating Temperature:
0
°C to 40 °C (32 °F to 104 °F)
Dimensions (excluding projections):
Unfolded:
15.0H
× 175.0W × 175.0D mm (5/8"H × 6-7/8"W × 6-7/8"D)
Folded:
26.5H
× 175.0W × 92.0D mm (1"H × 6-7/8"W × 3-5/8"D)
Weight:
380 g (13.4 oz) including batteries
Electrical Specifications
Current Consumption (V-in: 2.6 V
±0.02 V, LCD Contrast VR: Max.):
Main Battery: Diagnostics Program (Power Control. Refer to page 37)
40 MHz:
210 mA or under
Sleep:
67 mA or under
Standby:
(A-10) 0.8 mA or under
(A-11) 1.0 mA or under
Welcome Wizard (Normal Operation)
ON:
82 mA or under
OFF:
(A-10) 0.8 mA or under
(A-11) 1.0 mA or under


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-- 2 --
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Back-up Battery:
OFF:
(A-10) 30 ~ 150
µA
(A-11) 50 ~ 250
µA
Voltage Detectors:
VDET1:
2.0
± 0.04 V or under (Low battery message detector for alkaline batteries)
VDET2:
1.6
± 0.04 V or under (Foced power off detector for alkaline batteries)
VDET1R:
2.3
± 0.03 V or under (Low battery message detector for rechargeable battery)
VDET2R:
1.9
± 0.02 V or under (Foced power off detector for rechargeable battery)
VDETS:
2.7
± 0.03 V or under (Low battery message detector for back-up battery)
IrDA:
A
L
A-10/11
A-10/11