Yamaha CS2x Service Manual

1 OS22 O 41 DB2 I/O
2 OS21 O 42 DB3 I/O
3 OS20 O 43 DB4 I/O
Data Bus
4 OS19 O 44 DB5 I/O
5 OS18 O 45 DB6 I/O
6 OS17 O 46 DB7 I/O
7 OS16 O 47 OC1 O
8 OS15 O 48 OC2 O
9 OS14 O 49 OC3 O
10 OS13 O 50 OC4 O
11 OS12 O 51 OC5 O
12 OS11 O Segment Signal 52 OC6 O
13 OS10 O 53 OC7 O
14 OS9 O 54 OC8 O
15 OS8 O 55 OC9 O
16 OS7 O 56 OC10 O
17 OS6 O 57 OC11 O
18 OS5 O 58 OC12 O
19 OS4 O 59 OC13 O
20 OS3 O 60 OC14 O
21 OS2 O 61 OC15 O
22 OS1 O 62 OC16 O
23 VSS GND 63 OS40 O
24 OSC1 Oscillator 64 OS39 O
25 OSC0 Oscillator 65 OS38 O
26 V1 66 OS37 O
27 V2 67 OS36 O
28 V3 Display Drive Power Supply 68 OS35 O
29 V4 69 OS34 O
30 V5 70 OS33 O
31 LOAD O Clock for Sirial Data Latch 71 OS32 O
Segment Signal
32 CP O Clock for Sirial Data shift 72 OS31 O
33 VDD Power supply +5V 73 OS30 O
34 M O Select Sibnal 74 OS29 O
35 D O Common Signal 75 OS28 O
36 RS I Register Select Signal 76 OS27 O
37 R/W I Read Write Select Signal 77 OS26 O
38 E I Setup Start trigger 78 OS25 O
39 DB0 I/O
Data Bus
79 OS24 O
40 DB1 I/O 80 OS23 O
1 /RES I Reset 21 C7 I/O
2 /INT I Interrupt request 22 C6 I/O
3 NUM I Non-maskable interrupt 23 C5 I/O
4 A7 I/O 24 C4 I/O Port C
5 A6 I/O 25 C3 I/O
6 A5 I/O 26 C2 I/O
7 A4 I/O Port A 27 C1 I/O
8 A3 I/O 28 C0 I/O
9 A2 I/O 29 D0 I/O
10 A1 I/O 30 D1 I/O Port D
11 A0 I/O 31 D2 I/O
12 B0 I/O 32 D3/TX O (Serial data output)
13 B1 I/O 33 D4/RX I (Serial data input)
14 B2 I/O 34 D5//CK O (Clock for serial operation)
15 B3 I/O Port B 35 D6//INT2 (Interrupt request 2)
16 B4 I/O 36 /STBY I (Standby mode signal)
17 B5 I/O 37 TIMER I Timer
18 B6 I/O 38 XTAL O Clock
19 B7 I/O 39 EXTAL I
20 VSS Ground 40 VCC Power supply
1 4/8FS I 4/8 Fs selection 9 R. REF Channel R voltage reference
2 D. GND D igital ground 10 L. REF Channel L voltage reference
3 16/8 BIT I 16 bit/8 bit selection 11 L. OUT O Channel L output
4 D. VDD Digital power supply 12 A. GND Analog ground
5 A. GND Analog ground 13 LRCX/WD I Left/right check, Word clock
6 R. OUT O Channel R output 14 LR/RSI I Left/right selection, Channel R series input
7 A. VDD Analog power supply 15 SI/LSI I Series input/Channel L series input
8 A. VDD 16 CLK I Clock
1 CS1 O Chip Select for System RAM (CS1) 65 Vss - GND
2 CS0 O Chip Select for System RAM (CS0) 66 P60 O NC
3 Vss - 67 Vss - GND
4 Vss - GND 68 Vss - GND
5 Vcc - Power Supply 69 P61 O NC
6 A0 O 70 P62 O PB Select (SW1)
7A1O
Address Bus
71 P63 O PB Select (SW2)
8 A2 O 72 P27 O NC
9 A3 O 73 P26 O 1 MHz Clock for Serial Interface
10 Vss - GND 74 P25 O LCD Contrast (LCDC-C)
11 A4 O 75 P24 O LCD Contrast (LCDC-B)
12 A5 O 76 P23 O LCD Contrast (LCDC-A)
13 A6 O 77 P22 O LCD Control (LCD-E)
14 A7 O
Address Bus
78 P21 O LCD Control (LCD-R/W)
15 A8 O 79 P20 O LCD Control (LCD-RS)
16 A9 O 80 WDT0VF O NC
17 A10 O 81 RES I Reset Signal
18 A11 O 82 NMI I not used
19 Vss - GND 83 STBV I not used
20 A12 O 84 Vcc - Power Supply
21 A13 O 85 XTAL Quartz Cristal 16MHz
22 A14 O 86 EXTAL Quartz Cristal 16MHz
23 A15 O
Address Bus
87 Vss - GND
24 A16 O 88 φ NC
25 A17 O 89 Vcc - Power Supply
26 A18 O 90 AS O NC
27 A19 O 91 RD O Read Signal
28 Vss - GND 92 HWR O Write Signal
29 A20 O Address Bus 93 LWR O NC
30 PA5 I Off Line Detection 94 PF2 O PB Select (SW4)
31 PA6 O Signal for Rotary encoder(REB) 95 PF1 O SW Data Read Control (SWD)
32 PA7 O Signal for Rotary encoder(REA) 96 PF0 O LED,SW Strobe Data Latch (SWS)
33 P67 I Plug Detection of A/D Input 97 TXD2 O Serial Output for PB (TXD2)
34 P66 O NC 98 RXD2 I Serial Input for PB (RXD2)
35 Vss - GND 99 Vss - GND
36 Vss - GND 100 Vss - GND
37 P65 O Reset Signal for SWP30 101 SCK2 OSerial Sync Clock for PB (MIDCLK)
38 P64 O Reset Signal for PB 102 P53 O Reset Signal for Rotary Encoder
39 Vcc - Power Supply 103 AVcc I Power Supply for A/D
40 D0 I/O 104 Vref I Reference Voltage for A/D
41 D1 I/O
Two Way Data Bus
105 AN0 I Analog Level Input R
42 D2 I/O 106 AN1 I not used
43 D3 I/O 107 AN2 I Analog Level Output L
44 Vss - GND 108 AN3 I not used
45 D4 I/O 109 AN4 I Detection of Host SW Position
46 D5 I/O 110 AN5 I not used
47 D6 I/O 111 AN6 I Battery Voltage Check
48 D7 I/O
Two Way Data Bus
112 AN7 I ModelCheck (MU100:GND)
49 D8 I/O 113 AVss - GND
50 D9 I/O 114 Vss - GND
51 D10 I/O 115 P17 I/O LCD Data(DB7),SW Data,LED6
52 D11 I/O 116 P16 I/O LCD Data(DB6),SW Strobe Data
53 Vss - GND 117 P15 I/O LCD Data(DB5),SW Strobe Data
54 D12 I/O 118 P14 I/O LCD Data(DB4),SW Data,LED5
55 D13 I/O
Two Way Data Bus
119 P13 I/O LCD Data(DB3),SW Data,LED4
56 D14 I/O 120 P12 I/O LCD Data(DB2),SW Data,LED3
57 D15 I/O 121 P11 I/O LCD Data(DB1),SW Data,LED2
58 Vcc - Power Supply 122 P10 I/O LCD Data(DB0),SW Data,LED1
59 TXD0 O Serial MIDI OUT (TXD0) 123 MD0 I GND
60 TXD1 O Serial Host OUT (TXD1) 124 MD1 I GND
61 RXD0 I Serial MIDI IN B (RXD0) 125 MD2 I +5D
62 RXD1 I Serial MIDI IN A (RXD1) or Host IN 126 PG0 O PB Select (SW3)
63 P34 O A/D Gain Control Signal(ADG1) 127 CS3 O NC
64 P35 O A/D Gain Control Signal(ADG2) 128 CS2 O Chip Select for SWP30 (CS2)
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
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
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
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
HD6432655A00F (XT443A00) CPU













LSI PIN DESCRIPTION
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.




µ PD63200GS-E1 (XP867A00) DAC (Digital to Analog Converter)
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
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.

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

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
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
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
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


HD63B05V0F073P (XR951A00) CPU







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
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
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
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
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


LC7985ND (XN859A00) LCD Controller & Driver












13
CS2X

Yamaha CS2x Specifications

General

Brand	Yamaha
Model	CS2x
Category	Synthesizer
Language	English