II-14
2.3
MAIN PCB
Fig. 2.3-1 shows the block diagram of the main PCB. The main PCB consists of the following
components.
(1) CPU (Including ROM and RAM)
(2) SRAM (128Kbyte x 2)
(3) EEPROM (4Kbit x 2)
(4) Power supply ON/OFF circuit, Head power supply ON/OFF circuit, FEED/CUT key ON/OFF
circuit, LED ON/OFF circuit, ID switch circuit
(5) Full cutter motor drive circuit, Half cutter motor drive circuit, Tape feed motor drive circuit,
Release motor drive circuit, Eject motor drive circuit
(6) Cassette sensor circuit, Cover open sensor circuit, Tape end sensor circuit, Automatic full/half
cutter sensor circuit, Roller holder sensor circuit, AV SW sensor circuit, AV sensor circuit
(7) Head rank detect circuit
(8) Head temperature detect circuit
(9) Reset circuit
(10) RS-232C serial interface circuit
(11) USB interface circuit
Fig. 2.3-1 Block Diagram of Main PCB
Summary of Contents for PT-9500PC - P-Touch 9500pc B/W Thermal Transfer Printer
Page 1: ...SERVICE MANUAL MODEL PT 9500PC ...
Page 2: ...SERVICE MANUAL MODEL PT 9500PC ...
Page 86: ...IV 10 3 The LED does not turn on 4 No printing is performed ...
Page 87: ...IV 11 5 The interface malfunction 6 The tape is not cut ...
Page 88: ...IV 12 7 The tape is not fed correctly ...
Page 89: ...IV 13 ...
Page 90: ...IV 14 8 Half cut failure ...
Page 91: ...IV 15 9 Forced tape eject failure ...
Page 92: ...IV 16 10 The failure of pressure contact release of the roller holder ...
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