Sony MSU-750 Maintenance Manual

Text of Sony MSU-750 User Guide:

• Sony MSU-750, 4-2 MSU-750 MMP2 4-2 OverallOverall LINE DRIVER LINE LINE DRIVER LINE BUZZER 9 I/O BUS DATA BUS CONTROL BUS ADDRESS BUSS MAIN CPU INV. 18MHz OSC BUFFER 46 32 66 67 TXD RXD XTAL EXTAL ON/OFF BUZZER S6 BZ ON CARD WAIT/ INTERRUPT CONT 2 2 1 2 3 4 5 6 7 8 -EXT VIEW- 8PIN FEMALE CCU COM 1 2 3 4 5 6 7 8 -EXT VIEW- 8PIN FEMALE AUX COM I/O BUS ADDRESS BUS DATA BUS 19 8 19 8 RD RD EEPROM FLASH 8 8 RD RD 8 8 EEPROM SRAM EEPROM SRAM 15 15 RD RD RESET RESET 19 15 8 S1~S4 DIP SW NV RAM REAL TIME CLOCK RESET 5 DISP

• Sony MSU-750, 5-10 MSU-750 MMP2 5-10 2 3 4 5 AB C D E F G H 1 CPU-286 (5/6)CPU-286 (5/6) +5V 100k R403 DATA_BUS 001-AC9,002-G1, 003-B12, 004-V7,006-W5 0.1uF 25V C414 100k RB401 12 3 4 5 6 7 8 9 UPD4701AGT IC407 RSTX 3 RSTY 6 U/L 13 X/Y 14 RIGHT 7 VDD 24 LEFT 8 MID 9 D4 20 D5 21 D6 22 D7 23 D2 18 D3 19 D0 16 D1 17 YB 5 YA 4 XA 1 XB 2 VSS 12 CS 15 SF 10 CF 11 RXD001-B1 +5V SN74HC08APW-E05 (2/4)IC405 4 5 6 +5V 100k R401 CHIP_SELECT 001-AC9,002-G1, 003-B12, 004-V7,006-W5 0.1uF 25V C417 +5V 0.1uF 25V C413 +5V SN74HC04APW-E05 (4/6)IC404 9 8 0.1uF 25V C416 +5V SN74HC08APW-E05 (1/4)IC405 1 2 3 CN401 1 PAINT_4_B 2 PAINT_4_A 3 PAINT_4_COM

• Sony MSU-750, 2-6 MSU-750 MMP2 Rear Panel Block No. Part No. SP Description 301 1-574-144-11 s WIRE, FLAT TYPE (12 CORE) 302 1-674-347-11 o PRINTED WIRING BOARD, CN-1803 303 1-766-696-11 o CONNECTOR, ROUND TYPE 8P 304 ! 1-959-872-11 o HARNESS (PS) 305 2-990-241-02 s HOLDER (A), PLUG 306 3-622-383-01 o PANEL,CONNECTOR 307 3-622-384-01 o BRACKET,AC 308 3-622-385-01 o SHEET,CONNETOR PANEL 309 3-681-054-01 o POWER SW GUARD 310 3-688-814-01 s CAP,SWITCH 311 4-381-806-01 o COVER,SWITCH 312 4-605-511-02 o COVER, INLET, 3P P2.6 x

• 5-9 MSU-750 MMP2 5-9 2 3 4 5 1 IJKLMNOP CPU-286 (4/6)CPU-286 (4/6) CPU-286 (4/6) BOARD NO. 1-674-343-11 LOT NO. 902- GS-MSU-750_CPU-286_003 RVD RVD TVD TVD from REAR PANEL RVD RVD RESET B3 RD COM0_CONNECT COM_WAIT COM1_CONNECT B5 COM_CLK COM0 B4 COM1 B2 B1 A0 A1 D0 A2 D1 A3 D2 D3 D4 D5 D6 D7 WRL R318 2.2k GND(+12V) 50 (50/50)CN303 GND(+12V) 25 (25/50)CN303 +12V_OUT 49

• 1-5 (E) MSU-750 MMP2 1-4. Replacing Switching Regulator 1. Turn off the power of the unit and disconnect the power cord from the unit. 2. Remove the five screws and remove the bottom chassis. 3. Disconnect connectors CN1 and CN2 from the switching regulator. 4. Remove the two screws and remove the switching regulator. 5. Assemble the unit in the reverse procedure of step

• 5-13 MSU-750 MMP2 5-13 2 3 4 5 1 IJKLMNOP CPU-286 (6/6)CPU-286 (6/6) CPU-286 (6/6) BOARD NO. 1-674-343-11 LOT NO. 902- GS-MSU-750_CPU-286_003 CPU BOARD 01 CPU-286 (MSU-750) 00 CPU-293 (MSU-700A) CPU_BOARD0 CPU_BOARD1 BUZZER ON/OFF ON OFF 5 TOUCHSW_IN2 7 6 OPT_SW_BD2 OPT_SW_BD1 OPT_SW_BD0 OPT_SW_BD0 OPT_SW_BD2 OPT_SW_BD1 INPACK INPACK OPT_BOARD2 OPT_BOARD1 OPT_B

• Sony MSU-750, 5-12 MSU-750 MMP2 5-12 2 3 4 5 AB C D E F G H 1 CPU-286 (6/6)CPU-286 (6/6) R32 10k RB18 100k 12 3 4 5 6 7 8 9 C21 0.1uF RB22 100k 12 3 4 5 6 7 8 9 RB17 100k 12 3 4 5 6 7 8 9 RB19 100k 12 3 4 5 6 7 8 9 C39 0.1uF 25V RB14 100k 12 3 4 5 6 7 8 9 TP1 +5V +3V +5V RB20 100k 12 3 4 5 6 7 8 9 TP4 +5V +5V RB21 100k 12 3 4 5 6 7 8 9 S4 12 34 56 78 910 11 12 13 14 15 16 RB15 100k 12 3 4 5 6 7 8 9 Q1 DTC143XUA-T106 RB16 100k 12 3 4 5 6 7 8 9 RTC_TP1 001-B2 C17 0.1uF C18 0.1uF S3 12 34 56 78 910 11 12 13 14 15 16 C36 0.1uF 25V +3V +5V R28 1k A5462 +5V C35 22pF +5V TP5 RTC_TP2 001-B1 R31 10k +5V C34 22pF S2 12 34 56 78 910 11 12 13 14 15 16 +5V IC36 UPD4991AGS-E2 8 A3 7 A2 6 A1 4 A0 20 VD

• Sony MSU-750, 2-16 MSU-750 MMP2 (SW-6 BOARD) Ref. No. or Q'ty Part No. SP Description Q18 8-729-924-39 s TRANSISTOR DTC143XU Q19 8-729-924-39 s TRANSISTOR DTC143XU Q20 8-729-924-39 s TRANSISTOR DTC143XU Q21 8-729-924-39 s TRANSISTOR DTC143XU Q22 8-729-924-39 s TRANSISTOR DTC143XU Q23 8-729-924-39 s TRANSISTOR DTC143XU Q25 8-729-924-39 s TRANSISTOR DTC143XU Q26 8-729-924-39 s TRANSISTOR DTC143XU Q27 8-729-924-39 s TRANSISTOR DTC143XU Q28 8-729-924-39 s TRANSISTOR DTC143XU Q29 8-729-924-39 s TRANSISTOR DTC143XU Q

• Sony MSU-750, 3-2 MSU-750 MMP2 IC IC Page or ID No. SN74HC393APW-E05 ............................................... TC74HC393P SN74HC4020APW-E05 ...........................................TC74HC4020P SN74HC540APW-E05 .............................................. MC74HC540N SN74HC541APW-E05 .............................................. MC74HC541N SN74HC573BPW-E05 ............................................... TC74HC573F SN74HC573BPW-E20 ............................................... TC74HC573F SN74HC74APW-E05 ................................................... TC7

• Sony MSU-750, 4-4 MSU-750 MMP2 4-4 CPU-286CPU-286 29 EXT_I/O_07 27 EXT_I/O_03 6 EXT_I/O_12 22 EXT_I/O_45 2 EXT_I/O_02 31 EXT_I/O_13 20 EXT_I/O_35 42 EXT_I/O_30 4 EXT_I/O_06 38 EXT_I/O_20 14 EXT_I/O_21 5 EXT_I/O_10 7 EXT_I/O_14 32 EXT_I/O_15 1 EXT_I/O_00 15 EXT_I/O_23 18 EXT_I/O_31 16 EXT_I/O_25 40 EXT_I/O_24 23 EXT_I/O_47 26 EXT_I/O_01 3 EXT_I/O_04 39 EXT_I/O_22 8 EXT_I/O_16 9 EXT_I/O_40 45 EXT_I/O_36 33 EXT_I/O_17 30 EXT_I/O_11 34 EXT_I/O_41 19 EXT_I/O_33 44 EXT_I/O_34 21 EXT_I/O_37 17 EXT_I/O_27 28 EXT_I/O_05 43 EXT_I/O_32 41 EXT_I/O_26 35 EXT_I/O_43 47 EXT_I/O_46 10 EXT_I/O_42 46 EXT_I

• Sony MSU-750, 5-17 MSU-750 MMP2 5-17 2 3 4 5 1 IJKLMNOP SW-6 (2/3)SW-6 (2/3) SW-6 (2/3) BOARD NO. 1-674-345-11 LOT NO. 902- GS-MSU-750-SW-6_003 (EXTENDER_A) EXPAND SPARE CAM8CAM7CAM6CAM5 EXTCALLPARAACTIVE CAM4CAM3CAM2CAM1 CAM12CAM11CAM10CAM9 MULTICARDCONFIG PIXWFENC MAINTENANCEFILEFUNCTIONPAINT WF SEQWF BWF GWF R LP077 LP076 LP075 LP074 LP073 LP072 LP071 LP070 LP067 LP066 LP065 LP064 LP063 LP062 LP061 LP060 LP057 LP056 LP055 LP054 LP053 LP052 LP051 LP050 LP047 LP046 LP045 LP044 LP043 LP042 LP041 LP040 LP077 LP076 LP075 LP074 LP073 LP072 LP071 LP070 LP067 LP066 LP065 LP064 LP063 LP062 LP061 LP060

• Sony MSU-750, 1 (E) MSU-750 MMP2 Table of Contents Manual Structure Purpose of this manual ........................................................................................ 3 (E) Related manuals................................................................................................... 3 (E) Contents ............................................................................................................... 4 (E) 1. Service Overview 1-1. Self-Diagnosis ..................................................................

• Sony MSU-750, 3-3 MSU-750 MMP2 IC [|LED|] LB-203ML [|IC|] + + + + + + Dig 2 1 + + + + + + dp g f e d c b a Dig 1 a b f e c d dp g Dig1 a b f e c d dp g Dig2 a b f e c d dp g Dig3 23456 12 11 10 9 8 7 Dig 3 8 1 7 dp g f e d c b a dp g f e d c b a CATHODE MARK 1 1!\ 567!.@]!]![!= 2!; 3!' 4!, !- @[ !/ @= 9@- 8@/ 2 3 4 5 6 7 8 12345678COLUMN PIN NO. ROW PIN NO. 1 14 8 LD-101YY MD0708C-RG LED, IC 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 40 39 38�

• Sony MSU-750, 5-21 MSU-750 MMP2 5-21 2 3 4 5 1 IJKLMNOP Frame CN-1803/1807, LED-334/335/336, SW-6CN-1803/1807, LED-334/335/336, SW-6 Frame Frame CN-1803/1807 LED-334/335/336 SW-6 LOT NO. 902- D5 LD-101YY MLTCOM6 MLTCOM5 MLTCOM4 MLTCOM3 MLTCOM2 MLTCOM1 MLTG8 MLTG7 MLTG6 MLTG5 MLTG4 MLTG3 MLTG2 MLTG1 MLTR8 MLTR7 MLTR6 MLTR5 MLTR4 MLTR3 MLTR2 MLTR1 SGD7 SGD6 SGD5 SGD4 SGD3 SGD2 SGD1 SGD0 SGA5 SGA4 SGA3 SGA2 SGA1 SGA0 TLG7 TLG6 TLG5 TLG4 TLG3 TLG2 TLG1 TLG0 TLC7 TLC6 TLC5 TLC4 TLC3 TLC2 TLC1 TLC0 TLR7 TLR6 TLR5 TLR4 TLR3 TLR2 TLR1 TLR0 CN1 MLTDT15 MLTDT14 MLTDT13 ML

• 3-5 MSU-750 MMP2 ICIC DQ DQ SDT SCK 53 52 TEST 28 SLD 54 CLK1 49 VD 47 HD 48 CNV 55 PBLK CCD 46 45 16-BIT SHIFT REGISTER CURSOR GENERATOR BLOCK TEST TRIGGER AND 2-TO-1 SELECTOR BLOCK 16-BIT TWO TO ONE SELECTOR BLOCK ADDRESS DECODER SERIAL-TO-PARALLEL REGISTER (10-BIT LATCH) 6 (UPPER 6-BIT) SPDE D HDE VDE 6 11 9 11 (LOWER 11-BIT) 10 DOT CURSOR COUNT H ADDRESS REGIST

• Sony MSU-750, 5-5 MSU-750 MMP2 5-5 2 3 4 5 1 IJKLMNOP CPU-286 (2/6)CPU-286 (2/6) CPU-286 (2/6) BOARD NO. 1-674-343-11 LOT NO. 902- GS-MSU-750_CPU-286_003 MCLK4 DISPTMG2 DCLK MCLK3 MCLK2 RCO1 RCO2 EL DISPLAY LCTC ACC VRAMDT5 VRAMAD0 D9 D12 VRAMDT6 VRAMDT8 D10 D12 CL2 VRAMDT7 VRAMDT9 D11 D0 D15 VRAMAD14 VRAMDT8 VRAMDT10 VRAMDT15 D1 D14 VRAMAD12 VRAMDT9 VRAMDT11 VRAMDT14 D2 D13 VRAMAD7 VRAMDT10 VRAMDT12 VRAMDT13 D3VRAMAD6 VRAMDT11 VRAMDT13 VRAMDT12 D4 CL1 VRAMAD5 VRAMDT12 VRAMDT14 VRAMDT11 D5VRAMAD4 VRAM_WAIT VRAMDT13 VRAMDT15 VRAMDT

• Sony MSU-750, 2-10 MSU-750 MMP2 (CPU-286 BOARD) Ref. No. or Q'ty Part No. SP Description D16 8-719-024-81 s DIODE 1SS300-TE85L D17 8-719-820-41 s DIODE 1SS302 D19 8-719-024-81 s DIODE 1SS300-TE85L D201 8-719-404-35 s DIODE MA141WK FB201 1-543-622-11 s BEAD,FERRITE (CHIP) FB202 1-543-622-11 s BEAD,FERRITE (CHIP) FB203 1-543-622-11 s BEAD,FERRITE (CHIP) FB204 1-543-622-11 s BEAD,FERRITE (CHIP) FB205 1-543-622-11 s BEAD,FERRITE (CHIP) FB206 1-543-622-11 s BEAD,FERRITE (CHIP) FB207 1-543-622-11 s BEAD,FERRITE (CHIP) FB208 1-543-622-11 s BEAD,FERRITE (CHIP) FB209 1-543-622-11 s BEAD

• Sony MSU-750, 2-9 MSU-750 MMP2 (CPU-286 BOARD) Ref. No. or Q'ty Part No. SP Description C121 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C122 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C123 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C124 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C125 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C126 1-164-230-11 s CAPACITOR,CERAMIC 220PF/50V C127 1-164-230-11 s CAPACITOR,CERAMIC 220PF/50V C128 1-164-230-11 s CAPACITOR,CERAMIC 220PF/50V C129 1-164-230-11 s CAPACITOR,CERAMIC

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Sony MSU-750 Operation manual 26-06-2023 70

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