Yamaha Portatone PSR-1000 Service Manual
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Also See for Portatone PSR-1000:
- Owner's manual (172 pages) ,
- Service manual (107 pages) ,
- Data list (52 pages)
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This document is printed on chlorine free (ECF) paper with soy ink.
PK
001666
SERVICE MANUAL
CONTENTS
SPECIFICATIONS ···································································· 2
PANEL LAYOUT······································································· 4
CIRCUIT BOARD LAYOUT ······················································ 6
DISASSEMBLY PROCEDURE················································· 8
LSI PIN DESCRIPTION ·························································· 13
IC BLOCK DIAGRAM ····························································· 20
CIRCUIT BOARDS ································································· 21
TEST PROGRAM ··································································· 39
SYSTEM RESET ···································································· 42
MIDI IMPLEMENTATION CHART ·········································· 43
MIDI DATA FORMAT······························································ 44
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
PSR-1000
PSR-2000
HAMAMATSU, JAPAN
1.421K-4071
Printed in Japan '01.09
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Summary of Contents for Yamaha Portatone PSR-1000
- Page 1 SERVICE MANUAL PSR-1000 PSR-2000 CONTENTS SPECIFICATIONS ···································································· 2 PANEL LAYOUT······································································· 4 CIRCUIT BOARD LAYOUT ······················································ 6 DISASSEMBLY PROCEDURE················································· 8 LSI PIN DESCRIPTION ·························································· 13 IC BLOCK DIAGRAM ····························································· 20 CIRCUIT BOARDS ································································· 21 TEST PROGRAM ··································································· 39 SYSTEM RESET ···································································· 42 MIDI IMPLEMENTATION CHART ··········································...
- Page 2 PSR-1000/PSR-2000 LSI PIN DESCRIPTION HD63266F (XI939A00) FDC················································································································· 13 AK5351-VF-E2 (XV510A00) ADC ········································································································ 13 HD6417709F80B (XV250B00) CPU····································································································· 14 TC203C760HF-002 (XS725A00) SWP30B ·························································································· 15 HG73C205AFD (XU947C00) SWX00B ································································································ 16 YSS236-F (XT013A00) VOP3 ·············································································································· 17 µPD789022GB-A15-8E (XZ560100) CPU KBS···················································································· 18 S1D13305F00B100 (XQ595A00) LCDC ······························································································ 18 AD1854JRSRL (XY782A00) DAC ········································································································...
- Page 3 PSR-1000/PSR-2000 HD6417709F80B (XV250B00) CPU DM: IC100 NAME FUNCTION NAME FUNCTION CKE/PTK[5] CK enable (SDRAM)/ I/O port K System clock RAS3L/PTJ[0] RAS/ I/O port J Vcc (RTC) Power supply (3.3 V) RAS2L/PTJ[1] RAS/ I/O port J XTAL2 Clock CASLL/CAS/PTJ[2] CAS (DRAM)/CAS (SDRAM)/ I/O port J EXTAL2 Clock Ground (0 V)
- Page 4 PSR-1000/PSR-2000 TC203C760HF-002 (XS725A00) SWP30B (AWM Tone Generator coped with MEG) Standard Wave Processor DM: IC400 (PSR-2000 only) NAME FUNCTION NAME FUNCTION (Ground) (Ground) HMD0 HMD1 HMD2 HMD3 HMD4 HMD5 Address bus of internal register HMD6 HMD7 Wave memory data bus (Upper data memory) HMD8 HMD9 CA10...
- Page 5 PSR-1000/PSR-2000 HG73C205AFD (XU947C00) SWX00B (Tone Generator) DM: IC801 (PSR-1000) NAME FUNCTION NAME FUNCTION Initial clear CMA3 Program address bus RFCLKI PLL Clock CMA8 Program address bus PLL Control CMA2 Program address bus AVDD_PLL Power supply read signal AVSS_PLL Ground CMA1 Program address bus MODE0 SWX dual mode...
- Page 6 PSR-1000/PSR-2000 YSS236-F (XT013A00) VOP3 DM: IC401 (PSR-2000 only) NAME FUNCTION NAME FUNCTION Power supply WA17 Serial output WA16 WA15 Ground WA14 Power supply External memory address bus WA13 WA12 WA11 Serial output WA10 Ground Power supply WDCK Data enable for DAC WA09 SWPKON SWP00 format key on output...
- Page 7 PSR-1000/PSR-2000 µPD789022GB-A15-8E (XZ560100) CPU MKS5F: IC1 NAME FUNCTION NAME FUNCTION Port 3/External interrupt input/Capture edge input P32/INTP2/CPT2 Port 1 P31/INTP1 Port 3/External interrupt input P30/INTP0 P47/KR7 P22/RXD/SI0 Port 2/Asynchronous serial interface serial data input/Serial interface serial data input P46/KR6 P21/TXD/SO0 Port 2/Asynchronous serial interface serial data output/Serial interface serial data output P45/KR5 P20/ASCK//SCK0...
- Page 8 PSR-1000/PSR-2000 AD1854JRSRL (XY782A00) DAC (Digital to Analog Converter) DM: IC700 NAME FUNCTION NAME FUNCTION DGND Digital Ground AGND Analog Ground MCLK Master Clock Input. Connect to an external OUTL- Left Channel Negative line level analog clock source at either 256, 384 or 512 Fs. output.
- Page 9 PSR-1000/PSR-2000 IC BLOCK DIAGRAM SN74HCU04NSR (XW842A00) HD74LV08AFPEL (IS000800) HD74LV21ATELL (X0010A00) SN74HCU04N (IG142250) Quad 2 Input AND Dual 4 Input AND Hex Inverter DM: IC101 DM: IC310 IC510, 511 IC301 SN74HC132NSR (XW792A00) SN74HCT138NSR (XY865A00) HD74LVC139FPEL (XS048A00) MM74HC132SJX (XY352A00) 3 to 8 Demultiplexer Dual 2 to 4 Demultiplexer Quad 2 Input NAND DM: IC600...
- Page 10 PSR-1000/PSR-2000 TEST PROGRAM 1. Preparation 1) PA-300 (AC adaptor) is used. 2) The volume is usually moved to the use position when no volume change is required. 3) Measuring instruments: frequency counter, level meter (with JIS-C filter) Note: Connect a stereo plug to the [PHONES] jack at 33 ohms. 4) Jigs: foot switch (FC-4), foot volume (FC-7), MIDI cable, floppy disk (2HD &...
- Page 11 PSR-1000/PSR-2000 LCD (initial) Test Function and Judgment criteria 016: Output R Check Connect the level meter (with a JIS-C filter) to each terminal (PHONES, OUTPUT L/L+R, R, AUX OUT L, R). Set the [MASTER VOLUME] at MAX and check the R channel output level. (1 kHz sine wave, PAN=R) (PHONES L, R: 33 ohm load OUTPUT L/L+R, R: 10 kohm load AUX OUT L, R: 10 kohm load)
- Page 12 PSR-1000/PSR-2000 LCD (initial) Test Function and Judgment criteria 043: ROM Check2 Checks the ROMs that are connected to the CPU bus. Check the LCD “ROM Check2 OK” 044: RAM Check2 Checks the RAMs that are connected to the CPU bus. Check the LCD “RAM Check2 OK”...
- Page 13 PSR-1000/PSR-2000 ORDER SWITCH NOTE (PSR-1000) NOTE (PSR-2000) ORDER SWITCH NOTE (PSR-1000) NOTE (PSR-2000) MAIN ORGAN FLUTES (PSR-2000 only) – LAYER OCTAVE - LEFT OCTAVE + MUSIC FINDER VOCAL HARMONY (PSR-2000 only) – LEFT HOLD TALK (PSR-2000 only) – TOUCH EFFECT (PSR-2000 only) –...
- Page 14 PSR-1000 PSR-1000 BLOCK DIAGRAM PITCH BEND CN16 CN10 (PN3) Back Light Panel SW Matrix Panel LED Matrix DATA ENTRY DC-AC INV. module CN13 LD[0..7] 320x240 LSEG[0..11] (PN1) CN2 (PN1) (PN1) CN100 CN600 CN600 CN104 CN500 CN300 CN103 5V 3.3V 3 to 8 CONTRAST IC913 Tr Array...
- Page 15 PSR-2000 PSR-2000 BLOCK DIAGRAM PITCH BEND CN10 (PN3) CN15 Back Light Panel SW Matrix Panel LED Matrix DATA ENTRY DC-AC INV. module MODURATION CN13 LD[0..7] CN14 320x240 LSEG[0..11] (PN1) (PN1) CN2 (PN1) CN11 (PN3) CN100 CN600 CN600 CN104 CN500 CN300 CN103 3 to 8 CONTRAST...
- Page 16 PSR-1000 PSR-1000 OVERALL CIRCUIT DIAGRAM ( DM1/2, INV ) to AM-CN106 (IC201,202-14p, IC205-12p, IC206-12p) (IC301-9p, IC200-17p) (IC203-26p, IC207-12p) (IC303-4,10p, IC911-4p) (IC308-1p, IC310-2p) (IC201-54p, IC202-54p, IC203-28p, IC205-14p, IC206-14p, IC-207-14p, IC911-6p) (IC308-15p, IC310-1,9p) (IC201-15p, IC202-55p, IC203-11p, IC911-7p) DC-DC (CN600-22p) (IC911-9p) REGULATOR +3.3V SYSTEM RESET (CN600-21p) CONVERTER...
- Page 17 PSR-2000 PSR-2000 OVERALL CIRCUIT DIAGRAM ( DM1/2, INV ) to AM-CN106 (IC205-12p, IC206-12p, IC915,196-12p) (IC301-9p, IC200-17p) (IC207-12p, IC917-26p) (IC303-4, 10p, IC911-4p) (IC308-1p, IC310-2p) (IC205-14p, IC206-14p, IC-207-14p, IC911-6p, IC915-54p, IC916-54p, IC917-28p) (IC308-15p, IC310-1,9p) (IC911-7p, IC915-55p, IC916-55p, IC917-11p) DC-DC (CN600-22p) (IC911-9p) REGULATOR +3.3V SYSTEM RESET (CN600-21p) CONVERTER...
- Page 18 PSR-1000/PSR-2000 PSR-1000/PSR-2000 OVERALL CIRCUIT DIAGRAM ( DM 2/2, PN1, PN2, PN3, PN4, ENC, PB1, PB2, MOD ) PSR-1000 28CC1-8820770 DRAM 4M SWX00B MASK ROM 64M WAVE IC802: not installed RSR-2000 only (IC911-12p) to DM-CN600 DATA BUS to DM 1/2 : O-6; P-6 (PSR-1000) RSR-2000 only ADDRESS BUS...
- Page 19 PSR-1000/PSR-2000 PSR-1000/PSR-2000 OVERALL CIRCUIT DIAGRAM ( AM, VR, HP, SW, MKS5F, MK-L, MK-H ) SI-8050S(LF1111) NJM78L05UA(XJ598A00) S3V20 (VR313500) (X0548A00) REGULATOR +5V PSR-2000 only to PN1-CN6 DIODE DC-DC CONVERTER Green OP AMP 1: V in LINE AUX OUT 2: SW OUT 3: GND 1: OUTPUT (LEVEL FIXED)