Kurzweil PC2 Series, Service Manual

Page: 105 / 126

Kurzweil PC2 Series Service Manual
7-3
Chapter 7
Engine Board–Microprocessor (page 1 of 5)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
L5
FE BEAD
2 1
L4
FE BEAD
2 1
NC
GND
VCC
U2
MC68331CPV25
11 19 25 37 47 61 72 86 89 109 121 135 144
2 12 20 26 35 48 54 62 74 82 91 107 120 128 134
1 16 17 18 21 27 34 36 38 53 55 59 73 88 108 123 126 129
94
BERR
92
RESET
115
A0
79
BKPT_L/DSCLK
85
EXTAL
78
IFETCH_L/DSI
22
PAI
13
PCLK
114
PE0/DSACK0_L
113
PE1/DSACK1_L
112
PE2/AVEC_L
105
PE6/SIZ0
102
PF0/MODCLK
101
PF1/IRQ1_L
100
PF2/IRQ2_L
99
PF3/IRQ3_L
98
PF4/IRQ4_L
97
PF5/IRQ5_L
96
PF6/IRQ6_L
95
PF7/IRQ7_L
76
RXD
80
TSC
84
VDDSYN
87
XFC
93
HALT
139
D0
138
D1
124
D10
122
D11
119
D12
118
D13
117
D14
116
D15
137
D2
136
D3
133
D4
132
D5
131
D6
130
D7
127
D8
125
D9
33
PGP0/IC1
32
PGP1/IC2
31
PGP2/IC3
30
PGP3/OC1
29
PGP4/OC2/OC1
28
PGP5/OC3/OC1
24
PGP6/OC4
23
PGP7/IC4/OC5
65
PQS0/MISO
66
PQS1/MOSI
67
PQS2/SCK
68
PQS3/PCS0/SS_L
69
PQS4/PCS1
70
PQS5/PCS2
71
PQS6/PCS3
75
PQS7/TXD
39
A1
50
A10
51
A11
52
A12
56
A13
57
A14
58
A15
60
A16
63
A17
64
A18
6
A19/CS6_L
40
A2
7
A20/CS7_L
8
A21/CS8_L
9
A22/CS9_L
10
A23/CS10_L
41
A3
42
A4
43
A5
44
A6
45
A7
46
A8
49
A9
142
BG/CS1_L
143
BGACK_L/CS2_L
141
BR/CS0_L
90
CLKOUT
140
CSBOOT_L
3
FC0/CS3_L
4
FC1/CS4_L
5
FC2/CS5_L
81
FREEZE/QUOT
77
IPIPE_L/DSO
111
PE3/RMC_L
110
PE4/DS_L
106
PE5/AS_L
104
PE7/SIZ1
15
PWMA
14
PWMB
103
R/W
83
XTAL
J406
20x2 LCD
7
D00
8
D01
9
D02
10
D03
11
D04
12
D05
13
D06
14
D07
6
E
5
R/W
4
RS
2
Vdd
3
VEE
1
Vss
D6
DNS
1 2
J401
Do_Not_Install
2
BERR
1
DS
7
RESET
9
VCC
3
VSEE1
5
VSEE2
4
BKPT
8
IFTECH
10
IPIPE
6
FREEZE
J403
MIDI & CPU
10
+VBAT
5
IACK
4
IRQ
2
CONT
8
DIG_OUT
9
GND
6
INT_RxD
7
INT_TxD
1
MIDI_RxD
3
MIDI_TxD
U6
74AC08
4
5
6
U6
74AC08
1
2
3
J405
BACKLIGHT
2
GND
1
VCC
D1
BAS40
1 3
L1
SMT2.5T
1
2
L2
SMT2.5T
1
2
U8
74HC245
2
A[1]
3
A[2]
4
A[3]
5
A[4]
6
A[5]
7
A[6]
8
A[7]
9
A[8]
1
DIR
19
G
18
B[1]
17
B[2]
16
B[3]
15
B[4]
14
B[5]
13
B[6]
12
B[7]
11
B[8]
J402
PC2 POWER
5
+12V
3
-12V
2
5V_DIG
6
MUTE
8
PWRUPRST
4
AGND
7
BUVdd
1
DGND
RP4
10K
1
2
3
4
5
6
7
8
RP3
10K
1
2
3
4
5
6
7
8
RP1
10K
1
2
3
4
5
6
7
8
RP2
10K
1
2
3
4
5
6
7
8
J404
9
A00
10
A01
11
A02
12
A03
13
A04
14
A05
15
A06
16
A07
17
A08
18
A09
19
A10
20
A11
21
A12
22
A13
23
A14
24
A15
25
A16
27
A17
28
A18
29
A19
30
A20
31
A21
2
GND1
8
GND2
26
GND3
38
GND4
50
GND5
1
VCC1
49
VCC2
7
CE
4
HB
3
LB
5
OE
6
WE
32
D00
33
D01
34
D02
35
D03
36
D04
37
D05
39
D06
40
D07
41
D08
42
D09
43
D10
44
D11
45
D12
46
D13
47
D14
48
D15
GND
VCC
U3
NC7SZ08
5
3
1
2
4
GND
VCC
U4
NC7SZ08
5
3
1
2
4
+
C68
47uF 35V
1
2
+ C3
220uF
1
2
U1
74VHC14
3 4
U1
74VHC14
11 10
U1
74VHC14
13 12
U1
74VHC14
1 2
U1
74VHC14
5 6
GND
U7
256KX16 SRAM
12 34
6
CS
40
HB
39
LB
41
OE
17
WE
5
A00
4
A01
3
A02
2
A03
1
A04
44
A05
43
A06
42
A07
27
A08
26
A09
25
A10
24
A11
23
A12
22
A13
21
A14
20
A15
19
A16
18
A17
11
VCC1
33
VCC2
7
D00
8
D01
9
D02
10
D03
13
D04
14
D05
15
D06
16
D07
29
D08
30
D09
31
D10
32
D11
35
D12
36
D13
37
D14
38
D15
DGND
VCC
U5
1M/2MX16 FLASH ROM
14 28 42
15 29 44
37
A00
51
A01
50
A02
49
A03
48
A04
47
A05
46
A06
45
A07
43
A08
52
A09
53
A10
54
A11
2
A12
3
A13
4
A14
5
A15
13
A16
12
A17
11
A18
10
A19
9
A20
38
D00
40
D01
33
D02
31
D03
27
D04
25
D05
16
D06
18
D07
39
D08
41
D09
32
D10
30
D11
26
D12
24
D13
17
D14
19
D15
8
NC/A21
20
STATUS
56
VPP
36
BYTE
1
CE0
7
CE1
21
OE
55
PWD
22
WE
23
WP
JP1
BOOT Select 2mm
JMP
1 2 3
XJ1
(DNS) BOOT Select 0.1"
JMP
1 2 3
R59
100
1
2
R58
100
1
2
R2
4.7K
1
2
R4
1.3K
1
2
R3
820
1
2
R10
4.7K
1
2
R5
1K
1
2
R9
2.2K
1
2
R8
1K
1
2
Q1
MMBT3904
B
C
E
C2
1000PF
1
2
C1
100pF
1
2
C4
DNS
1
2
C7
1000PF
1
2
C6
0.1 uF
1
2
C5
0.1 uF
1
2
R69
DNS
1 2
R7
10K
1 2
R1
47
1 2
R6
2.2K
1 2
R13
8.2, 1/4W
1 2
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
PC88 II ENGINE
MICROPROCESSOR
T. THOMPSON
021197 D V4
P82RDV4 9/19/2000
1 5
VCC VCC
CD[15:00] {2-C1,3-A1,4-C6}
CA[20:00] {2-A1,3-A1,4-B5}
BUVDD
VCC
SIZ1 {4-C6}
DSACK1 {2-A1,3-A1}
SIZ0 {4-C6}
DSACK0
CA[20]
DS CA[19]
VCC
CA[20] CA[18] CA[18]
CRESET
CA[19] CA[17] CA[17]
BERR
CA[18] CA[16] CA[16]
CWE
HALT
CA[17] CA[15] CD[15] CA[15] CD[15]
CA[16] CD[15] CA[14] CD[14] CA[14] CD[14]
COE
CA[15] CD[14] CA[13] CD[13] CA[13] CD[13]
CD[15]
CA[14] CD[13] CA[12] CD[12] CA[12] CD[12]
CD[14]
E {4-C6}
CA[13] CD[12] CA[11] CD[11] CA[11] CD[11]
CD[13]
IAK7
CA[12] CD[11] CA[10] CD[10] CA[10] CD[10]
CD[12]
ASICS {2-B4}
CA[11] CD[10] CA[09] CD[09] CA[09] CD[09]
CD[11] CA[20]
CA[10] CD[09] CA[08] CD[08] CA[08] CD[08]
CD[10] CA[19]
CA[09] CD[08] CA[07] CD[07] CA[07] CD[07]
CD[09] CA[18]
CA[08] CD[07] CA[06] CD[06] CA[06] CD[06]
CD[08] CA[17]
CA[07] CD[06] CA[05] CD[05] CA[05] CD[05]
CD[07] CA[16]
CA[06] CD[05] CA[04] CD[04] CA[04] CD[04]
CD[06] CA[15]
VCC
CA[05] CD[04] CA[03] CD[03] CA[03] CD[03]
CD[05] CA[14]
CA[04] CD[03] CA[02] CD[02] CA[02] CD[02]
CD[04] CA[13]
CA[03] CD[02] CA[01] CD[01] CA[01] CD[01]
CD[03] CA[12]
VCC
CA[02] CD[01] CD[00] CD[00]
CD[02] CA[11]
CA[01] CD[00]
CD[01] CA[10]
BUVDD
CD[00] CA[09]
CA[08]
RESET {2-A1,3-D1,4-D6,5-C1}
CA[07]
CA[06]
IRQ7
CA[05]
IRQ6 {4-C7}
CA[04]
IRQ5
CA[03]
IRQ4 {4-C8} CA[02]
IRQ3 CA[01]
IRQ2 CA[00]
IRQ1
MISO {3-D6}
MOSI {3-D6}
LCDCS {4-C6}
VCC
SCK {3-C6}
SCKO
UARTCS {4-B5}
SS {3-C6}
CS2
VCC
ERAMCS
CS1
CS0
VCC
VCC
FLASHCS
BOOTCS
CRXD COE
IFETCH RAMCS
CTXD
BKPT RESETDLD
IPIPE
CWE {2-A1,3-A1,4-C6}
PAI
CHB {4-C7}
FREEZE CLB {4-C7}
VCC
DACMUTE {5-D1}
MUTE
CA[01] {2,3,4}
ROM1PR {4-D5}
ROM0PR {4-D5}
VCC VCC
OPRSNT {3-D7}
PCLK BERR CWE {2,3,4}
CWE {02,03,04}
VCC
IRQ7 DSACK0
IRQ6 {4-C7} CS0
CD[00]
CLK25 {2-A1,3-D8,5-C1}
IRQ5 BOOTCS
CD[01]
CD[02]
CD[03]
CD[04]
IRQ4 {4-C8} DACMUTE {5-D1}
CD[05]
MUTE {5-C1}
IRQ3 MUTE
VCC
CD[06]
IRQ2 PAI
CD[07]
BERR DS IRQ1 PCLK HALT
BKPT
FREEZE
VCC
PWRUPRST
VCC
IFETCH
CRESET
IPIPE
LCDCS {4-C6}
LCDE {4-C7}
CRESET RESET {2-A1,3-D1,4-D6,5-C1}
BUVDD +12V
RESET {4-C6} MRXD {4-B6}
MTXD {4-B7}
IRQ7
MUTE {5-C1}
IAK7
CRXD
+VBAT
CTXD
AESO {2-A8}
RESETDLD
~12V
{2-A1,3-A1,4-C6}