Casio QT-6600, Service Manual

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1. SPECIFICATIONS
1-1. Electrical Specifications
100V 120V 220V 230V 240V
• Power consumption <AC input current at Adaptor>
In operation
Max. 1.5A 1.5A 1.5A 1.5A
Display off Max. 0.25A 0.25A 0.25A 0.25A
<DC input current at QT-6600>
In operation
Max. 1.3A 1.3A 1.3A 1.3A
Display off Max. 0.5A 0.5A 0.5A 0.5A
• Memory protection Back-up battery
Battery life
Recharge time
NiMH (nickel-metal-hydride)
HHR-21HL3G1B (USA only)
HHR-21HL3G1C (Except USA)
Replace the battery every 1 year.
6 hours (full charge)
• Clock & Calendar Accuracy
Auto calendar
Within ± 40 sec. Per month (25 °C)
Effective until 2099 A.D.
• Clock protection Back-up battery
Battery
Recharge time
Manganese dioxide lithium
CR2032/1HF1
Replace the battery every 1 year.
1-2. Environmental specifications
• Operating temperature 0 °C ~ 40 °C
• Operating humidity 20 % ~ 85 %
• Storage temperature -20 °C ~ 65 °C
• Storage humidity 10 % ~ 85 %
1-3. Main LSI specifications
• CPU Name
Number of control bit
R5S77631AY266BGV
32 bits
• I/O controller Name
Number of control bit
UPD70F3728GC-8BT-A
16 bits
• Gate array Name UPD65945GJP16-JEUA
• DDR SDRAM Name
Capacity
HYB25DC256163CE-5
256 Mbits
SDRAM Name
Capacity
MT48LC4M16A2P-75:G
64 Mbits
• Flash ROM (Back up) Name
Capacity
S29GL256P90TFCR20
256 Mbits
• Flash ROM (Program) Name
Capacity
S29GL256P90TFCR2A*
256 Mbits
• Display controller Name MB86276PB-G-ZE1
• Ethernet controller Name LAN9115-MT (10/100BASE)