Panasonic JB-3300 Technical Manual page 8

TROUBLESHOOTING 2. nce ccc ccc ccc cece ccc cece ween cece reece ese cence ceccccce I-37
9.1 PYELACS Lo cece cece crew cece meee were sce e sence cases eseessccsccces I-37
9.2 Tools for Troubleshooting 2... cece cee cc cece cece cece cess esees I-38
9.3 How to Use Troubleshooting HintS ...... 2. cece wee ccc ce eee cece eee I-39
9.4 Self-Diagnostic TeSt Lo... ccc ccc ccc ec eee wee ccc cence ccc cc eccee T-69
9.5 DIAG PKOGLAM ec cece eee reer ccc e rene ree re rece seceseserccseseceees I-73
9.5.1 GENELAlL Lecce cree ccc reer ence rere csncssccsescescecsccece I-73
9.5.2 |= a=)OF~ a= oes KO)6 T-73
9.5.3 Loading DiagnoStic PYOGraM 2... ccc cecccccccccccccccsccces I-74
9.5.4 DiagGnOStic MENU 2... cece ccc cence crn ccccerrsccccccccsccces I-75
9.5.5 Test All DEVICES Lo. ccc cee cee cece ccc eee cee nce rece ececee I-76
9.5.6 Test Automatically wc cece cree ccc crew creer cer ce ccccace I-93
9.5.7 Change Menu 2... c cece cc rece cece acca cece cecccescsccsceces I-94
9.5.8 Brror LISting cece ccc ccc ccc arcs ccc cc cccseccccccsccccce I-95
9.5.9 Error MESSAGES .ewwece cc ccc cern scree sccseccccecccccsces I-96
9.5.10 EXit cece c ccc cc ce ccc cee wwe ewww eee w cere ccc cee eens eseeees I-103
II. LOGIC UNIT
SPECIFICATIONS 2. ccc ccc cc wee cee ec ee wre rece eee cree sence s acceso scccnens II-1
APPEARANCE 2.2... ccc ccc cece ence c cece cece reece cece rere eee cece eres eee ecee II-4
BLOCK DIAGRAM 2. ccc cc ecw ce cc wc ce cc we cme wre weer cece eee cece ees c erence esces II-5
MEMORY USAGE .... ccc cece cece cece ccc c cece cece cceaee eee eee eee ee ace II-7
4.1 Memory Map ...ccccccccccccccccsrcccccc ec r cece sec ec ccc resco secs oce TI-7
4.2 Display and Video RAM ConStruction 2... cece eee c cece cece nces TI-9
4.2.1 Basic Operation and Display ModeS ..........cccccccceas TI-9
4.2.2 Video RAM Configuration and Display Dots .............. IT-11
THEORY OF OPERATION 2.2.2... cccccccccscccccsccaccccvces eee c cc wcrc cer cccee II-18
5.1 GENEVAlL Lecce ccc ccc cece ence ees c err e cscs cess cesr scence essessecs II-18
5.2 System Resetting and System Clock Generation Circuits ......... II-19
5.3 CPU Lecce ccc ccc cc cence ccc ccc c ence rnc ence er ce sce cee c ccc cccccces II-22
5.4 Microprocessor Peripheral CircuitS ....cccwcccccccnccsccssccces II-22
5.5 Memory Control Circuit Lo. ccc weer ccc cc cece ccc c ence ccc ccc esnces TI-30
5.6 1D)0-\ Os is a0 b iy a ITI-36
5.7 T/O AddresS DECOdGEY 2... ccc cc ccc cece ce wer ccc cence cece c cece rece II-39
5.8 Interrupt Control Circuit co.cc cence cnc ccc r nrc cern nce n ce ncece ITT-45
5.9 Display Circuit coc cc ecw cc ccc ccc cen ccc snc ccsssccccessccessscses TI-46
5.10 I/O Interface Circuit co.cc cc wc wc ccc ec cc cc cece cece cere ccc cee TI-88
5.11 Programmable Internal Timer (8253-5) wc. ccc ewe www cc weer ee eee II-108
5.12 Switches ...........c0e0. cere eee cere emer ese serene rece scsccccce IT-109
5.13 Option Slot Interface oc. ecw wc cw w ewe ccc c ccc cer ccc cree cv ccvee TI-112
5.14 Option Slot Connector 2c wc ccc ccc cece recs scccccccscccsccscces II-114
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