Sony RM-VZ950T, Service Manual

Page 1: ...SERVICE MANUAL Ver 1 0 2000 08 REMOTE COMMANDER AEP Model SPECIFICATIONS RM VZ950T ...

Page 2: ...1 2 2 Remote Control Board 21 2 3 Case Inner 22 3 TEST MODE 23 4 DIAGRAMS 4 1 Block Diagram 27 4 2 Printed Wiring Boards 29 4 3 Schematic Diagram 31 4 4 IC Pin Function Description 35 5 EXPLODED VIEW 36 6 ELECTRICAL PARTS LIST 37 Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat ...

Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...

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Page 21: ...ssemble in the order shown below Set Case Lower Remote Control Board Case Inner 2 two hexagon socket bolts 2 6 5 4 three claws 3 two screws P2 6 4 two claws 4 three claws 5 case lower 1 Remote the battery case lid in the direction of arrow A A 1 filter 2 Rotate two brackets to remove 4 Remove the remote control board in the direction of arrow A 3 wire A ...

Page 22: ...t each switch meeting its bosses with respective guides 2 Mount each switch to original position as its shape is different each other 2 two screws P2 4 3 jog board 1 key rubber 5 cover LCD 6 escutcheon jog 7 Pull out the inner case 1 Pull the knob of rubber foot 2 After mounting cut off the knob of rubber foot ...

Page 23: ...election 4 Others If no key is pushed for more than 60 seconds while the set is wait ing for the check item selection of current test item the next test item is displayed 3 Test item selection display list Test items 1 BATT test selection display BATT TEST is displayed with BATT blinking 2 LCD test selection display LCD TEST is displayed with LCD blinking 3 KEY test selection display KEY TEST is d...

Page 24: ...tical one column dots horizontal scanning check The display of the fifth digit is cleared and the similar to 5 check is made to the 2 3 line characters on the sixth digit Proceed to 11 if the jog is pushed 11 Backlight blinking check The backlight turns on for 0 5 sec when BACK LIGHT ON is displayed and it turns off for 0 5 sec when BACK LIGHT OFF is displayed This is repeated until the jog is pus...

Page 25: ...when push VOL key is displayed When the key is pushed the set proceeds to 28 28 key check The set waits for the input of key when push VOL key is displayed When the key is pushed the set proceeds to 29 29 key check The set waits for the input of key when push MUTE key is displayed When the key is pushed the set proceeds to 30 30 PROGR key check The set waits for the input of PROGR key when push CH...

Page 26: ...the error flag turned on or if no error occurs the set proceeds to d d Memory data writing 2 The inverted lower 8 bit values of the memory addresses are written to all areas If an error occurred during data writing the set goes to g with the error flag turned on or if no error occurs the set proceeds to e e Memory data check 2 All bytes are read for checking If an error occurred dur ing data check...

Page 27: ...MENU z 2 1 7 x RED m b Ref No S35 S41 S42 S43 S44 S45 S46 S52 S53 S55 S56 S57 S62 S63 S64 S65 LPOW RESET CE VDET X1 X2 X1 5MHz B SWITCH Q2 RESET SIGNAL GENERATOR IC7 DC DC CONVERTER IC5 VOLTAGE DETECT IC6 SYSTEM CONTROLLER IC1 EEPROM IC3 LED B LCD B LIQUID CRYSTAL DISPLAY DRIVER IC2 B DRY BATTERY SIZE AA IEC DESIGNATION R6 2PCS 3V D5 8 LCD BACK LIGHT SDA SCL EEPROM IC3 BUSY FLAG DATA REGISTER SEGM...

Page 28: ...es seeing Carbon pattern The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side the parts face are indicated IC2 G 8 IC3 F 3 IC4 G 3 IC5 F 12 IC6 G 4 IC7 G 4 IC8 E 9 Q1 E 2 Q2 E 6 Ref No Location Ref No Location D1 F 2 D2 F 11 D...

Page 29: ...less otherwise specified f internal component C panel designation U B Line V B Line Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal conditions Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a osci...

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Page 31: ...85 84 83 82 81 80 79 78 77 76 29 30 31 38 33 34 32 35 36 37 ADDRESS COUNTER INSTRUCTION DECODER INSTRUCTION REGISTER BUSY FLAG IN OUT BUFFER SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 COMMK2 COM24 COM23 COM22 COM21 COM20 COM19 COM18 COM17 COM8 COM7 COM6 COM5 COM4 COM3 COM2 COM1 COMMK1 BIAS RESET RS R W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 OSC2 OSC1 V5 VSS C2 C2 V5OUT C1 C1 VCI VDD COM16 COM15 CO...

Page 32: ...VSS1 Ground terminal 34 35 P56 P57 Not used open 36 to 39 BL1 to BL4 LED drive signal output of the liquid crystal display back light D5 to D8 L LED on 40 to 43 P64 to P67 Not used open 44 REM O LED drive signal output of the remote control signal transmitter D3 D4 H LED on 45 to 51 P31 to P37 Not used open 52 to 57 KST1 to KST6 O Key scan output to the key matrix L output when key waiting 58 JST ...

Page 33: ...BATTERY CASE 3 3 220 683 01 CASE LOWER 4 3 220 686 01 TERMINAL C BATTERY 5 3 220 677 01 EDGE SIDE 6 3 220 679 01 BUTTON B 7 3 220 681 01 CASE TOP 8 3 220 672 01 ESCUTCHEON JOG 9 3 220 691 01 PANEL LCD 10 3 220 692 01 COVER LCD 11 3 220 682 01 CASE INNER 12 A 4541 208 A JOG BOARD COMPLETE 13 3 220 675 01 KEY RUBBER 14 3 220 689 01 TERMINAL ZEBRA 15 1 679 852 11 REMOTE CONTROL BOARD 16 9 885 008 54 ...

Page 34: ...IC NJU6424FG1 T IC3 9 885 008 49 IC HN58X24256FPI T IC4 8 759 530 29 IC TC4069UBFT EL N IC5 9 885 008 50 IC XC6372C361PR T IC6 8 759 479 03 IC S 80825ANNP EDN T2 IC7 8 759 665 49 IC S 80818ANNP EDF T2 IC8 9 885 008 51 IC XC62KN5002MR T COIL L1 1 412 032 11 INDUCTOR CHIP 100uH TRANSISTOR Q1 8 729 047 62 TRANSISTOR 2SC3440 T12 1F Q2 9 885 008 52 TRANSISTOR 2SA1603A T RESISTOR R1 1 218 867 11 METAL C...

Page 35: ...20 5 1 16W VIBRATOR X1 1 767 452 11 VIBRATOR CERAMIC 5MHz MISCELLANEOUS 16 9 885 008 54 WIRE LCD1 9 885 008 47 DISPLAY PANEL LIQUID CRYSTAL ACCESSORIES PACKING MATERIALS 3 223 637 11 MANUAL INSTRUCTION ENGLISH GERMAN 3 223 637 21 MANUAL INSTRUCTION FRENCH ITALIAN 3 223 637 31 MANUAL INSTRUCTION DUTCH SWEDISH 3 223 637 41 MANUAL INSTRUCTION SPANISH PORTUGUESE 3 223 638 11 MANUAL INSTRUCTION for PRE...