Engine Board-Microprocessor - Kurzweil PC2 Series Service Manual

Chapter 7
1 2
VCC VCC
R3 R4
820 1.3K
A
MC68331CPV25
112
PE2/AVEC_L
113
DSACK1 {2-A1,3-A1} PE1/DSACK1_L
114
DSACK0 PE0/DSACK0_L
92
CRESET RESET
94
BERR BERR
93
HALT HALT
CD[15] 116
D15
CD[14] 117
D14
CD[13] 118
D13
CD[12] 119
D12
CD[11] 122
D11
CD[10] 124
D10
CD[09] 125
D9
CD[08] 127
D8
CD[07] 130
D7
CD[06] 131
D6
CD[05] 132
D5
CD[04] 133
U2
D4
CD[03] 136
D3
CD[02] 137
D2
CD[01] 138
D1
CD[00] 139
D0
B
95
IRQ7 PF7/IRQ7_L
96
IRQ6 {4-C7} PF6/IRQ6_L
97
IRQ5 PF5/IRQ5_L
98
IRQ4 {4-C8} PF4/IRQ4_L
99
IRQ3 PF3/IRQ3_L
100
IRQ2 PF2/IRQ2_L
101
IRQ1 PF1/IRQ1_L
102
MISO {3-D6} PF0/MODCLK
MOSI {3-D6}
65
R1 PQS0/MISO
66
47 PQS1/MOSI
1 2 SCKO 67
SCK {3-C6} PQS2/SCK
68
SS {3-C6} PQS3/PCS0/SS_L
69
PQS4/PCS1
VCC BGACK_L/CS2_L
70
PQS5/PCS2
71
PQS6/PCS3
VCC
VCC
R2 80
TSC
4.7K 76
CRXD RXD
R58
78
IFETCH IFETCH_L/DSI
100 79
BKPT BKPT_L/DSCLK
22
PAI PAI
23
PGP7/IC4/OC5
24
PGP6/OC4
C
28
PGP5/OC3/OC1
29
R59 DACMUTE {5-D1} PGP4/OC2/OC1
30
100 MUTE PGP3/OC1
31
ROM1PR {4-D5} PGP2/IC3
32
ROM0PR {4-D5} PGP1/IC2
33
OPRSNT {3-D7} PGP0/IC1
13
PCLK PCLK
VCC
84
VDDSYN
85
CLK25 {2-A1,3-D8,5-C1} EXTAL
87
XFC
C1
U1
74VHC14 100pF VCC 11 19 25 37 47 61 72 86 89 109 121 135 144
GND 2 12 20 26 35 48 54 62 74 82 91 107 120 128 134
2 1
MUTE {5-C1} NC 1 16 17 18 21 27 34 36 38 53 55 59 73 88 108 123 126 129
J401
2
BERR BERR
4
BKPT BKPT VSEE1
6
FREEZE FREEZE VSEE2
8
IFETCH IFTECH RESET
10
IPIPE IPIPE VCC
Do_Not_Install
CRESET
J402
D
PWRUPRST
BUVdd
MUTE
+12V
AGND
-12V
5V_DIG
DGND
PC2 POWER
1 2
Engine Board–Microprocessor (page 1 of 5)
3
104
PE7/SIZ1 SIZ1 {4-C6}
105
PE6/SIZ0 SIZ0 {4-C6}
110
PE4/DS_L DS
106
PE5/AS_L
111
PE3/RMC_L U1
74VHC14
103
R/W CWE
{2-A1,3-A1,4-C6}
3 4
COE
10
A23/CS10_L E {4-C6}
9
A22/CS9_L IAK7
8
A21/CS8_L ASICS {2-B4}
7 CA[20]
A20/CS7_L
6 CA[19]
A19/CS6_L
64 CA[18]
A18
63 CA[17]
A17
60 CA[16]
A16
58 CA[15]
A15
57 CA[14]
A14
56 CA[13]
A13
52 CA[12]
A12
51 CA[11]
A11
50 CA[10]
A10
49 CA[09]
A9
46 CA[08]
A8 RESET {2-A1,3-D1,4-D6,5-C1}
45 CA[07]
A7
44 CA[06]
A6
43 CA[05]
A5
42 CA[04]
A4
41 CA[03]
A3
40 CA[02]
A2
39 CA[01]
A1
115 CA[00]
A0
5
FC2/CS5_L LCDCS {4-C6}
4
U3
FC1/CS4_L UARTCS {4-B5}
3
NC7SZ08
FC0/CS3_L
143 CS2 1
VCC 5
4 GND 3
142 CS1 2
BG/CS1_L
141 CS0
BR/CS0_L 1
VCC 5
4 GND 3
140 BOOTCS 2
CSBOOT_L
U4
75
PQS7/TXD CTXD NC7SZ08
77
IPIPE_L/DSO IPIPE
CWE {2-A1,3-A1,4-C6}
81
FREEZE/QUOT FREEZE
14
PWMB
15
PWMA
RP1
10K
1
BERR
2
IRQ7
3
90 IRQ6 {4-C7}
CLKOUT
4
83 IRQ5
XTAL
RP2
10K
1
IRQ4 {4-C8}
2
IRQ3
3
IRQ2
1 4
DS DS IRQ1
3
VCC
5
VCC
7
9
+
C3
220uF
D1
BUVDD +12V
BAS40
8 3 1
7
6
MUTE {5-C1}
5
4
3
2
1
C2
1000PF
~12V
3
4 5
U5
1M/2MX16 FLASH ROM
8
NC/A21 VCC
CA[20] 9
A20
CA[19] 10 56
A19 VPP
CA[18] 11
A18
CA[17] 12
A17
CA[16] 13 19 CD[15]
A16 D15
CA[15] 5 17 CD[14]
A15 D14
CA[14] 4 24 CD[13]
A14 D13
CA[13] 3 26 CD[12]
A13 D12
CA[12] 2 30 CD[11]
A12 D11
CA[11] 54 32 CD[10]
A11 D10
CA[10] 53 41 CD[09]
A10 D09
CA[09] 52 39 CD[08]
A09 D08
CA[08] 43 18 CD[07]
A08 D07
CA[07] 45 16 CD[06]
A07 D06
CA[06] 46 25 CD[05]
VCC A06 D05
CA[05] 47 27 CD[04]
A05 D04
CA[04] 48 31 CD[03]
A04 D03
CA[03] 49 33 CD[02]
VCC
R5 A03 D02
CA[02] 50 40 CD[01]
A02 D01
1K
CA[01] 51 38 CD[00]
A01 D00 BUVDD
37
A00 R8
55 36
1K
PWD BYTE
1
CE0
7 20
CE1 STATUS
21
OE
22
WE
23
WP
VCC 14 28 42 Q1
DGND 15 29 44 MMBT3904
XJ1 JP1
(DNS) BOOT Select 0.1" BOOT Select 2mm
JMP JMP
ERAMCS
FLASHCS
COE
RAMCS
RESETDLD
CHB {4-C7}
CLB {4-C7}
CA[01] {2,3,4}
RP3
VCC VCC
10K
8 1 8
CWE {2,3,4}
7 2 7 CWE {02,03,04}
DSACK0
6 3 6
CS0
5 4 5
BOOTCS
RP4
10K
8 1 8
DACMUTE {5-D1}
VCC
7 2 7
MUTE R7
6 3 6
PAI 10K
5 4 5 1 2
PCLK HALT
PWRUPRST
CRESET
U1
13 12
RESET {2-A1,3-D1,4-D6,5-C1}
74VHC14
RESET {4-C6}
D6 R69
DNS DNS
U1 2 1 1 2 U1
74VHC14 74VHC14
R6
2.2K
5 6 1 2 11 10
RESETDLD
C4
DNS
4 5
6 7
BUVDD
C5 C6
+ C68
0.1 uF 0.1 uF
47uF 35V
31
CA[20] 30
U7
CA[19] 29
CA[18] 18 11 CA[18] 28
A17 VCC1
CA[17] 19 33 CA[17] 27
A16 VCC2
CA[16] 20 CA[16] 25
A15
CA[15] 21 38 CD[15] CA[15] 24
A14 D15
CA[14] 22 37 CD[14] CA[14] 23
A13 D14
CA[13] 23 36 CD[13] CA[13] 22
A12 D13
CA[12] 24 35 CD[12] CA[12] 21
A11 D12
CA[11] 25 32 CD[11] CA[11] 20
A10 D11
CA[10] 26 31 CD[10] CA[10] 19
A09 D10
CA[09] 27 30 CD[09] CA[09] 18
A08 D09
CA[08] 42 29 CD[08] CA[08] 17
A07 D08
CA[07] 43 16 CD[07] CA[07] 16
A06 D07
CA[06] 44 15 CD[06] CA[06] 15
A05 D06
CA[05] 1 14 CD[05] CA[05] 14
A04 D05
CA[04] 2 13 CD[04] CA[04] 13
A03 D04
CA[03] 3 10 CD[03] CA[03] 12
A02 D03
CA[02] 4 9 CD[02] CA[02] 11
A01 D02
CA[01] 5 8 CD[01] CA[01] 10
A00 D01
7 CD[00] 9
D00
6
CS 7
40
HB 6
39
LB
5
41
OE 4
R9 17
WE 3
2.2K
256KX16 SRAM 2
GND 12 34
8
26
38
C 50
B
E
R10
4.7K
U6
VCC
74AC08
1
3 2 1
2
U8
5
6 74HC245
4
CD[00] 18 2
B[1] A[1]
CD[01] 17 3
B[2] A[2]
74AC08 CD[02] 16 4
B[3] A[3]
U6 2 1 CD[03] 15 5
B[4] A[4]
CD[04] 14 6
B[5] A[5]
CD[05] 13 7
B[6] A[6]
CD[06] 12 8
B[7] A[7]
CD[07] 11 9
B[8] A[8]
DIR G
LCDCS {4-C6}
LCDE {4-C7}
J403
MIDI & CPU
1
MRXD {4-B6} MIDI_RxD
2
CONT
3
MTXD {4-B7} MIDI_TxD
4
IRQ7 IRQ
5
IAK7 IACK
6
CRXD INT_RxD
+VBAT
7
CTXD INT_TxD
8
AESO {2-A8} DIG_OUT
9
GND
10
+VBAT
6 7
Kurzweil PC2 Series Service Manual
8
CD[15:00] {2-C1,3-A1,4-C6}
CA[20:00] {2-A1,3-A1,4-B5}
VCC
A
J404
1
A21 VCC1
49
A20 VCC2
A19
A18
A17
A16
48 CD[15]
A15 D15
47 CD[14]
A14 D14
46 CD[13]
A13 D13
45 CD[12]
A12 D12
44 CD[11]
A11 D11
43 CD[10]
A10 D10
42 CD[09]
A09 D09
41 CD[08]
A08 D08
40 CD[07]
A07 D07
39 CD[06]
A06 D06
37 CD[05]
A05 D05
36 CD[04]
A04 D04
35 CD[03]
A03 D03
34 CD[02]
A02 D02
33 CD[01]
A01 D01
32 CD[00]
A00 D00
CE
WE
B
OE
HB
LB
GND1
GND2
GND3
GND4
GND5
VCC
R13
8.2, 1/4W J405
1 2 1
VCC
2
GND
BACKLIGHT
J406
C
1
Vss
2
Vdd
3
VEE
4
RS
5
R/W
6
E
7
D00
8
D01
9
D02
10
D03
11
D04
12
D05
13
D06
14
D07
C7
1000PF 20x2 LCD
D
YOUNG CHANG CO., LTD.
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
PC88 II ENGINE
MICROPROCESSOR
Filename: P82RDV4 Date: 9/19/2000
Eng: By: T. THOMPSON
Mfg: Sht 1 of 5
Doc: 021197 Rev: D V4
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