Intermec 074787-001 Datasheet

PB42 Portable Receipt PrinterService Manual

Before You Beginviii PB42 Portable Receipt Printer Service Manual

PB42 Portable Receipt Printer Service Manual 11Spare Parts List and Exploded ViewsThis chapter provides the exploded views and spare parts list for th

Chapter 1 — Spare Parts List and Exploded Views2 PB42 Portable Receipt Printer Service ManualPB42 Exploded Views and Parts ListsThis chapter contains

Chapter 1 — Spare Parts List and Exploded ViewsPB42 Portable Receipt Printer Service Manual 3ScrewScrew(6 places)Screw(2 places)Screw(2 places)Screw(2

Chapter 1 — Spare Parts List and Exploded Views4 PB42 Portable Receipt Printer Service ManualTo identify a part, find the callout in this list and loc

PB42 Portable Receipt Printer Service Manual 52Theory of OperationThis chapter provides a detailed electrical design of the PB42 printer. It is intend

Chapter 2 — Theory of Operation6 PB42 Portable Receipt Printer Service ManualMicroprocessor The microprocessor (U1) for the PB42 is the Freescale MPC8

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 7MODCK [1:2] (not shown) are set to 00 on reset. The filter on VDDSYN prov

Chapter 2 — Theory of Operation8 PB42 Portable Receipt Printer Service ManualFlash InterfaceFlash Memory ConnectionsCS0 is the chip select line for th

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 9• 0011 for 48.78 MHz < system clock < 60.98 MHz• SETA = 0 (Internal

Chapter 2 — Theory of Operation10 PB42 Portable Receipt Printer Service Manual• WP = 0 (Read and write allowed)• MS = 11 (UPMB selected)• V = 1 (Valid

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 110x0FFFFC34, 0x0FFFFC34, 0x0FFFFC34, 0x0FFFFC34, 0x0FFFFC34, 0x1FFFFC35•

Chapter 2 — Theory of Operation12 PB42 Portable Receipt Printer Service ManualProgramming MPTPR, MAMR, BR1, and OR1 is done by simply writing the prop

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 13Serial Peripheral Interface (SPI)The Serial Peripheral Interface (SPI) i

Chapter 2 — Theory of Operation14 PB42 Portable Receipt Printer Service ManualMemory reads and writes have the following format: Read/write op-code, l

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 15Schematic for the Input/Output Shift RegisterBoth shift registers reside

Chapter 2 — Theory of Operation16 PB42 Portable Receipt Printer Service ManualDigital to Analog Converter SignalsMaximum SPI clock frequency is 20 MHz

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 17All data after bit 5 is “don’t care.” Conversion data is received starti

Chapter 2 — Theory of Operation18 PB42 Portable Receipt Printer Service ManualTo prevent forward biasing of the print controller chips’ protection dio

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 19Timing Diagram for the Parallel InterfaceSerial InterfaceEven though the

PB42 Portable Receipt PrinterService Manual

Chapter 2 — Theory of Operation20 PB42 Portable Receipt Printer Service ManualError DetectionWhen the print controller encounters an error condition i

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 21The printhead temperature sensor, SHTH, is not available by default. U40

Chapter 2 — Theory of Operation22 PB42 Portable Receipt Printer Service ManualVoltage Levels of an Individual Dot of the Printhead TestCommunication I

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 23Low Speed ConfigurationTo configure the USB controller as low speed, USM

Chapter 2 — Theory of Operation24 PB42 Portable Receipt Printer Service ManualThe SCC UART is shared with the Bluetooth module. Selection between RS-2

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 25ySecondary Serial Test Port Communication LinesThe SMC UART has no flow

Chapter 2 — Theory of Operation26 PB42 Portable Receipt Printer Service ManualThe speaker driver accepts data that is 8-bit PCM encoded audio samples.

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 27A switching regulator converts the input voltage to 9.0 VDC. If the inpu

Chapter 2 — Theory of Operation28 PB42 Portable Receipt Printer Service ManualCharging initiation is automatic. When the print controller is disabled

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 29Battery EEPROMEach battery pack contains a 1-wire ID, 256 bit, EEPROM fr

ii PB42 Portable Receipt Printer Service ManualIntermec Technologies CorporationWorldwide Headquarters6001 36th Ave.W.Everett, WA 98203U.S.A.www.inter

Chapter 2 — Theory of Operation30 PB42 Portable Receipt Printer Service ManualThe processor defaults to normal high mode. In this mode, the main syste

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 31Printhead Power Switch Control LogicWatchdog TimerThe PowerPC microproce

Chapter 2 — Theory of Operation32 PB42 Portable Receipt Printer Service ManualImmunity and EmissionsThe PB42 circuitry is protected from externally co

Chapter 2 — Theory of OperationPB42 Portable Receipt Printer Service Manual 33The DC-DC converter circuitry is protected by Q2701 and Q2702. The compa

Chapter 2 — Theory of Operation34 PB42 Portable Receipt Printer Service ManualSwitching Power SuppliesFor the sake of power efficiency, switching DC-D

Worldwide Headquarters6001 36th Avenue WestEverett, Washington 98203U.S.A.tel 425.348.2600fax 425.355.9551www.intermec.comPB42 Portable Receipt Prin

ContentsPB42 Portable Receipt Printer Service Manual iiiContentsBefore You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contentsiv PB42 Portable Receipt Printer Service ManualCommunication Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Before You BeginPB42 Portable Receipt Printer Service Manual vBefore You BeginThis section provides you with safety information, technical support inf

Before You Beginvi PB42 Portable Receipt Printer Service ManualErste HilfeNach einer Verletzung unverzüglich erste Hilfe oder medizinische Betreuung a

Before You BeginPB42 Portable Receipt Printer Service Manual viiTelephone SupportThese services are available from Intermec.Outside the U.S.A. and Can