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Motorola HT 1000 service manual Main Power Switch, Vdd Regulator, Vaud Regulator, U712

Models: HT 1000

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MECH_SWB+

SW_B+

Main Power Switch

L704

Vdd Regulator

Vdd

R738

22K

*R753 *

UNSW_B+

R747

150K

CR704Q703 3

1 47K

B+CNTL	47K

	U712
1	8
3	7
2	6
	5
	4

270nH

C767

0.1uF

	8		INPUT U708			OUTPUT	1
	7		FEEDBACK			ERROR	5
		3	FEEDBACK			ERROR	2
			SHUTDOWN			SENSE	6
			SHUTDOWN			SENSE	6
			GND			5V_TAP
			GND
			4

CR706

											PWR_RST
											PWR_RST
							C771			VR714
				C770						VR714
C768										6.8V
C768							0.1uF			6.8V
330pF				10uF			0.1uF
330pF				10uF

2

Vaud Regulator

SW_B+

Vaud

CR701

Q701

R714

68

OPT_B+BOOT_SEL

C734

C733

10uF

0.1uF

C735

SW_B+

470pF

C731

C732

0.1uF

10uF

C727

VR702

1uF

10V

C726

0.33uF

B5

C5

AUPA_EN

D1

EN_AMP

VCC1

VCC2

AMP2OUT

A3

E2

A5

VR701

F3 EN_INT_MIC

AMP3OUT

C725

10V

C6

EN_MIC

1uF

C728

RX_AUDIO

D5

AMPIN

PLOUT

D6

0.33uF

F4

PLIN

U702

E6

NC

FREQCOMP

REGOUT

F5

REG

AUDIO PA

MICAMPOUT

F2

NC

E1

D2

INT_MIC_IN

B6

C1

EXT_MIC_IN

BOOTCAPC1

B1

EXT_SPKR_SEL

B2

EXT_INT_SPKR

BOOTCAPC2

C2

INT_SPKR

BOOTCAPC3

C730

GND1 GND2 GND3

NC1

NC2 NC3 NC4

NC5

NC6 NC7 NC8

1uF

4700pF

C729

A2

A4

E5

B4

B3

C4

C3

D4

D3

E4

E3

EXT_SPKR

C703

470pF

SPKRCOM

C705

470pF

INT_SPKR

C707

470pF

63B81097C16-O

	NCN6147A/B, NCN6150A/B, NTN7091D, NTN7620E, PMCN6147B AND PMCN6150B	101
	CONTROLLER BOARD POWER SECTION SCHEMATIC DIAGRAM	101
	CONTROLLER BOARD POWER SECTION SCHEMATIC DIAGRAM

Image 123

Motorola HT 1000 service manual Main Power Switch, Vdd Regulator, Vaud Regulator, U712

Contents

HT 1000, JT 1000, MT 2000, MTS 2000, and MTX Series Page Safety Foreword Contents Disassembly and Reassembly Iii Page Replacement Parts Ordering List of Tables Vii Related Publications Available SeparatelyViii Model Numbering SystemModel Charts Model Programming Flashing, and Cloning Conventional Systems Radios HT 1000 Models Model ChartH01RDH9PA3AN Conventional Systems Radios JT 1000 and MT 2000 ModelsPMUF6500D Private Systems Radios MTS 2000 ModelsA a List of Antennas List of BatteriesXii Xiii Maintenance Specifications for VHF RadiosXiv Maintenance Specifications for 800MHz RadiosALC GlossaryXvi PLLR N I N G IntroductionPage Recommended Test Equipment Recommended Test EquipmentField Programming Service Aids and Recommended ToolsMotorola Part no Description Application Service AidsRecommended Service Tools Service ToolsEarlier. If the radio is placed in Test Mode General SetupTest Mode Equipment Initial Control SettingsNO. Description Function Beeps Test Environments, HT 1000/JT 1000 RadiosTest Frequencies, HT 1000 / JT Control Head Test Mode, HT 1000/JT 1000 RadiosPage Page Test Frequencies, MT 2000, MTS 2000, and MTX Series Radios Test Environments, MT 2000, MTS 2000, and MTX Series RadiosTest Name Communications Radio Test SET Comments Analyzer Receiver Performance ChecksTest Communications Radio Test SET Comments Name Analyzer Transmitter Performance ChecksError-Code Displays Power-up Display CodesPower-up Display Codes Operational Display Codes Operational Display CodesGeneral Radio Alignment ProcedureDtmf Reference Oscillator Alignment Perform the following procedures in the sequence indicatedFront-End Pre-Selector VHF/UHF only Rated AudioStandard Test Modulation 1 kHz Tone Squelch Transmitter PowerVHF UHF Transmit Power SettingTransmit Deviation Limit Transmit Deviation LimitTransmit Deviation Limit Reference Transceiver Board IdentificationPage TX VCO Crossover Procedure Signalling Deviation RX VCO Crossover ProcedureDtmf Tuning High Speed Signalling MDC Signalling DeviationThis Radio Contains STATIC-SENSITIVE Disassembly and ReassemblyRemoving the Battery Disassembly to Board LevelSeparating the Cover From the Chassis Rotating the Front Cover Separating Control Top From the Chassis Removing the RF and Controller Boards Disassembly of Control TopDisassembly of Front Cover Assembly Removing the Keypad/Display Board ReassemblyReinstalling the Speaker RetainerMAEPFBracket-22578-A Page Seating the Flex Front Cover Assembly to ChassisKnobs, Antenna, and Battery Introduction MaintenancePreventive Maintenance Inspection CleaningGeneral Safe Handling of Cmos DevicesSuffer die-bond delamination and possible SpecificIf neighboring Pbga components are heated Above 365 degrees F degrees C., they willSolder Tabs Page U t i o n To Replace an Pbga compo- nent Thin Small Outline Package Tsop ComponentsShields Removing and ReplacingTo Replace the RF PA To Remove the RF PAPage Exploded Views Refer to electrical parts list transceiver board Top-Display Radios Keypad Radios SHIELD, PA Uni-board RadiosPage Circuit Board Layers Transceiver Controller Schematic and Circuit Board NotesSYN Integrated Circuit Details with Pin-Out Names35U50 X Wlyww Wlyww Universal Connector Option Select OPT SEL Definition Universal Connector Pin Numbers and Signal AssignmentsMAEPF-2 Fuse 1-Amp CAPACITOR, Fixed pF ± 5%Unless stated Diode See NoteU102 BATT+ Error FeedbackNC NC NC NC CLK 5VREG SB+MAEPF-2630 0625W unless stated CAPACITOR, Fixed pF ±30%Transistor See Note RESISTOR, Fixed Ω ± 5%DAC CLK SwitchConnector EXT. ANT These Levels Measured by Removing R52Batt NC NC NC NC NC CLKDET VDD VDD2 CextMAEPF-2630 CAPACITOR, Fixed pF ± 25% 50V unless statedCOIL, RF nH GND1 GND2 GND3 GND4 GND5 RF SwitchCR6 CR7 CR8 CR9 ABP GND1 GND2 GND3 AG2VMULT2 Frefout VDD VDD2DET NC3 NC4 NC5 NC6 NC7 NC8 NC9MAEPF-26305 RESISTOR, Fixed Ω ± 0.0625W 3Pack.xls CAPACITOR, Fixed pF ± 5% Sheet Unless statedU105 U104 SYN SEL 5VREG LCKVCO MOD RAW B+ LCK SW B+Transceiver Board Parts List and Component Location Diagrams DIODE, Zener See Note 1 CAPACITOR, Fixed pF ±5%Fuse 1.0A Filter See Note 2, 73.35MHZ RESISTOR, FixedΩ ± 5% .0625W unless statedU101 GND30 CLK BattGND32 GND31NUF6499B/C and NUF6502B/C 900MHz Diode U105 GND21 SYN SYN SELGND30 REF OSC GND27NUF/PMUF6499D 900MHz Electrical Parts List, Transceiver 900MHz NUF/PMUF6499D To Universal Connector Reset 5V TX 0V RXANODE2 Pacntl INT CAP Antswbs Switch GND GND1 GND2 RF SwitchSynthesizer Je di HT/JT Tra ns . DIODE, Zener Clear HearClear OptionU701 HearAsficsel ResetbU702 U708Volsense NC3 Extspkrsel SB+ Intspkr ErrorIntmic Optenable Spkrcom Spkrcom Aupaen ExtspkrU709 U706NC5 NC6 NC7 NC8 Controller BOARD’ Parts List and Component Location Diagram RESISTOR, Fixed Ω ± 5% GND10 GND11 GND12 GND13 Gnda Chact ResetBusy GND VEEUpclk A3 Clke VDD3 VDD4 Vccence Enoe EnweSPI RX Data Miso Power SectionAnalog Section SCK SPI TX Data MosiU712 Main Power SwitchVdd Regulator Vaud RegulatorMAEPF-25672 103 CAPACITOR, Fixed pF ±DIODE, Zener See Note Cpnenab Expout Ffenab Cbufou Hiclmpen Compen Lcdis Hcidis FfenSqdet Chact Univio Pwrrst Sqdet Chact Icenab FfoutUvcs UV2CS BootstrpVSS4 VSS1 Synsel Roscsel Ascficsel Bootstrp Csgen Scirx Eecs Muxcntl SEL LEDExtspkr Datalatch Extmic SWB+ GND1 Blcntl Intspkr Reset Spkrcom IntmicOPTB+/BOOTSEL Mosi GND2 Keyint OPTSEL1NTN7512D/E, NTN7513E, NTN7857D/E and NTN7858D/E 107 MAEPF-26096 RESISTOR, Fixed Ω ± 0.0625W unless stated 109HearClear Components Not Placed on NCN6176A CAPACITOR, Fixed pF ± 5% 50V unless statedFfcnt L SWB+ Sqdet ChactExpin Lodsab Cbufin Expbyp Rssiin Ffin VAG NfilinU705 Digital Section U702 Main Power Switch Vdd RegulatorFront Cover Display Flex 115 Replacement Parts OrderingMotorola Online Mail Orders116 Telephone OrdersFAX Orders Parts IdentificationAppendix a Introduction Circuit DescriptionAppendix a Appendix . Secure Module Signal Name Connector Plug Function P1 PIN NumberTroubleshooting Secure Operations Appendix a . Key Variable Loader Service Aid Retrofit InstructionsSet XL IC Present Field Anti-static precautions must be observed at all timesGeneral Set Secure-Equipped FieldChannels Secure Alignment ProcedureEnable Secure On Desired Secure Retrofit TuningAppendix a . Secure Deviation CompensationRemoval Removal And InstallationAppendix . Secure Module Location Detail XL&XL Appendix a . RSS Secure ParametersAppendix B Appendix B . HT 1000 ModelsAppendix B H01RDC9AA1BN Appendix B . JT 1000 Models Appendix B . MT 2000 Models PMUE7272B PMCN6147B H01SDH9AA7AN Appendix B . MTS 2000 Models H01RDD9PW1AN H01RDH9PW1AN H01SDH9PW1AN H01UCH6PW1AN PMUF6499D Pmcn Appendix B . MTX Series Models H01KDF9DB5AN H01RDD9DB4AN H01RDH9DB7AN H01SDH9DB7AN H01UCC6DF3AN H01WCC4DB3AN H01WCH4DB7AN Page Motorola, Inc West Sunrise Boulevard Ft. Lauderdale, FL