GEM Powerstation SK760, Руководство по обслуживанию

Страница: 25 / 29

25 25
25 25
25
J J J J J
A1
A2
A3
A4
A5
A6
A7
A8
AA0
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA9
AA10
AA11
AA12
AA13
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD15
MD14
MD13
MD12
MD11
MD10
MD9
MD8
MD7
MD6
MD5
MD4
MD3
MD2
MD1
MD0
A17
A16
A15
A14
A13
A12
A11
A10
A9
D16
D24
D17
D25
D18
D26
D19
D27
AA0
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA9
AA10
AA11
AA12
AA13
A2
A1
D20
D28
D21
D29
D22
D30
D23
D31
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A18
A19
A21
A20
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D24
D25
D26
D27
D28
D29
D30
D31
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
A19
A20
A21
A1
AA14
AA15
AA16
AA17
AA18
AA14
AA15
AA16
AA17
AA18
DRW
CKD
APP.
DWG#
SCHEMATIC DIAGRAM
PCB#
DSK#
REV:
PART: ALL RIGHTS ARE RESERVED, NO COPIES
OR REPRODUCE THIS DOCUMENT WITHOUT
WRITTEN CONSENT BY GENERALMUSIC.
GENERALMUSIC S.p.A. ITALY
+5V
+5V
-18V
+5V
-12V
+5VB
+5VA
+5VB
+5VA
+5VC
+5V
+5V
+5VB
+5V
+18V
+5V
+5VC
+5VA
+12V
-12V
+5V
+5VB
+5V
-12V
+5VA
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V +5V
+5VA
+12V
+5V
+5V
+5V
+5V
+18V
-18V
+5V +5V
+5V
16
17
18
19
22
23
24
25
26
15
12
11
30
13
14
28
29
27
39
38
37
36
34
33
32
31
10
9
8
7
5
4
3
2
D0
D1
D2
D3
OE
A8
A7
A6
A5
A4
A3
A2
A1
A0
WR
UCAS
256K X16 DINAMIC RAM
RAS
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
LCAS
NC
NC
NC
NC
IC16-A HM514260
3
1
2
TR6
BC847
TR11
BC327
R84
82E
R86
82E
R88
82E
C46
100N
1
2 AR20-A 4K7 X4
C29 470P
R29 100K
R28 1K
1
2
DSPCLK
CN5
R46
680E
C81
5P2-30P
C74
22P
XT2
PAL 8.867238MHz
NTSC 7.15909MHz
R42 100E
C97 100P
R76 3K9
R47 330E
1 2
IC20-A
74HC04
C68
56P
C67
100N
R45
220E
R43
4K7
2
3
6
IC15-A TL071
C63
100N
10
8
IC19-B
TD8501
1
2 3
IN OUT
GND
IC13 7912
C73
47U 50V
C47
100N
C55
100N
C52
10U
1
2
3
IN OUT
GND
IC7 7805
C33 470P
R75 100E
3
1
2
TR4
BC847
C61
100N
R30 100K
1
3
5
7
9
11
24
6
12
21
2 17
15
23
18
16
19
14
20
22
13
4
CVBS CSYNC
C U/Q
FH/2
FLT
R
G
B
C V/I
VREF
YD OUT
BSTADJ
NOTCH
OSC
SW2
YD IN
PAL/NTSC ENCODER
C OUT
-(R-Y)
-(B-Y)
SW1
Y
Y OUT
IC19-A TD8501
C79
100N
1
2
3
IN OUT
GND
DELAY
LINE
L5 TOKO1436
3
1
2
TR3
BC847
3
1
2
TR1
BC847
3
1
2
TR2
BC847
C94 100N
C92 100N
C90 100N
C105 100N
R73 1K
R62
1K2
R82
4K7
R68 220K
C95 220N
C89 220N
C88 220N
R80 1K
R54 1K2
R15 33E
C72
100N
C30
47U 50V
R70 1K2
R56 1K2
R66 1K2
R65 1K2
C78
10U
C53
100N
R27
1K8
R25
1K8
R26
1K8
D4
4148
1
2
3
4
5
6
7
8
9
10
CN4
C24 470P
C25 470P
C34 100N
C31 100N
C35 10U
C32 10U
R61
100E
R50
100E
C85
100N
C86
47U
R74 10K
C23
22N
R4 2K2
R10
390E
C54
47U 50V
C104
47U 50V
C60
10U
C4
10N
C99
100N
C3
100N
C41
100N
C8
100N
C10
10N
C7
1U
C9
1U
C5
1U
C12
100N
R11 33E
C37
100N
L3 47UH
C11
100N
L1 47UH
C51
47U 50V
C80
1
N
C83
10U
R33 1K
C15
100N
R5 1K
C28
100N
C62 100N
C106
1N
1
4
5
6 8
3
7
2
RESET
VCC
GND
RST
NC
NC
NC
NC NC
IC4 MAX709
R72 1K2
12
13
14
15
16
18
19
20
21
22
24
25
26
27
28
29
116
117
118
119
120
121
122
123
124
125
126
127
2
3
4
5
6
7
8
9
10
42
47
46
45
100
99
101
102
114
98
44
109
66
115
43
11
110 111
39
40
106
31
34
35
107
108
60
41
51
52
53
54
56
57
58
59
84
83
82
81
80
78
77
76
75
72
70
68
67
69
71
74
103
105
62
63
30
95
94
93
92
91
89
88
87
86
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MAD0
MAD1
MAD2
MAD3
MAD4
MAD5
MAD6
MAD7
V0
V1
V2
V3
V4
V5
V6
V7
PXCLK
UCAS
LCAS
RAS
VS
HS
HB
VB
CSY
XTAL
R/W
R/WC
CS
XRST
DTACK
A16
A17
MAD8
A20
A21
A19
BLNC
RD-WR
RD-RD
SUBCRR
VCOIN
CMPR
WE0
WE1
WE2
WE3
SCAN_IN
SCAN_EN
MD_DIR
TEST
MODE
D_DIR
EXTAL
NT_OUT
IC18-A GATEVIDEO
C18
47P
12 11
13
IC3-D 74HC125D
D1 4148
9
10
8
IC9-C 74HC00
1
2
3
IC9-A 74HC00
7
14
IC3-E
74HC125D
R6
1K
C13
47P
D2 4148
3
2
1 4
6
5
CK
D
R S
Q
Q
D FF
IC8-A 74HC74
R57
1
K
R48 3K9
C56
100N
C45
1N
R3 2K2
C22 1U
C6 1U
3 4
IC20-B 74HC04
1
2
AR3-A 33E X4
7
14
IC11-E
74HC125D
C102
100N
C98
100P
C70
1
N
C91
1
N
C77
1
N
3 1
2
TR5
BC857
3 1
2
TR7
BC857
3 1
2
TR9
BC857
R51
120E
R53
120E
R63
120E
R89
82E
R87
82E
R85
82E
TR10
BC327
R81
1K
R41 220E
R34 100E
8 7
6 5
4 3
2 1
AR11 33E X4
8 7
6 5
4 3
2 1
AR10 33E X4
R52 82E
R69
1K
R59
1K
R31 10K
12
13
11
IC9-D 74HC00
R17 390E
2 1
4 3
6 5
8 7
AR21 33E X4
2 1
4 3
6 5
8 7
AR18 33E X4
R55 82E
R39 82E
R38 82E
R44 82E
R40 82E
C96
100P
3 4
1 2
5 6
7 8
AR2 33E X4
C27
47P
XT1 16MHZ
R2 10E
3
4
AR5-B 4K7 X4
R83
1
K
C48
330P
R79 10K
R67
1K
32
33
34
35
36
37
38
39
40
7
16
6
29
28
17
18
27
26
25
31
15
14
13
12
11
10
9
8
D0
D1
D2
D3
D4
D5
D6
D7
P0
P1
P2
P3
P4
P5
P6
P7
PCLK
RED
GRN
BLU
RS0
RS1
Iref
BLK
WR
RD
RAM DAC
COMP
Vref
IC21-A ADV476KP35
2 3
1
IC11-A
74HC125D
C101
100N
18
17
23
26
3
2
1
28
11
12 10
14
8
7
21
22
6
27
15
19
CLK
VinR
VinL
VrefL
VrefR
LRCK
WCLK
BCLK
RST
Sout
CAPR1
CAPR2
RDEDGE
MSBDLY
RLJUST
S/M
384/256
TAG
CAPL1
CAPL2 SIGMA DELTA A/D CONVERTER
IC6-A AD1877
8
16
IC1-B
74AC138
4 3
AR9-A
33E X4
2 1
AR9-B
33E X4
6 5
AR9-C 33E X4
2 1
AR16-A 33E X4
R7
1K
4 3 AR16-B 33E X4
8 7 AR16-D 33E X4
C49
330P
8 7 AR3-D 33E X4
5 6
IC20-C 74HC04
2 3
1
IC3-A 74HC125D
R90 33E
C39 100N
9 8
10
IC3-C 74HC125D
D3
BB204G
9
10
8
IC10-C 74HC32
C42
47P
R14
100E
6 5
AR3-C
33E X4
5
6
AR5-C 4K7 X4
C57
100N
R36 1M
R37
100E
3 4 AR7-B 4K7 X4
3 4 AR20-B 4K7 X4
C64
100N
C44
100N
C76
100N
J1
7
14
IC20-G
74HC04
C16
10N
C84
100N
R24 33E
1 2
AR5-A
4K7 X4
1 2
3 4
5 6
7 8
AR14
33E X4
1 2
3 4
5 6
7 8
AR15
33E X4
11
12
13 10
8
9
CK
D
R S
Q
Q
D FF
IC8-B 74HC74
C43
100N
L4 BLM21
C19
100N
12
13
11
IC10-D 74HC32
9 8
IC20-D 74HC04
11 10
IC20-E 74HC04
13 12
IC20-F 74HC04
R78 100E
7
14
IC8-C
74HC74
C17
100N
16
32
IC12-B
27C4001D
7
8
AR5-D 4K7 X4
4 3 AR3-B 33E X4 7 8
AR8-D
33E X4
R35 33E
5
6
AR20-C 4K7 X4
C66
100N
2 1
AR19-A
33E X4
C50
330P
3
4
AR19-B 33E X4
5 6 AR8-C
33E X4
1 2
3 4
5 6
7 8
AR6
33E X4
1 2
3 4
5 6
7 8
AR4
33E X4
1 2
3 4
5 6
7 8
AR13
33E X4
1 2
3 4
5 6
7 8
AR12
33E X4
1
2
AR17-A 4K7 X4
8 7
AR19-D
33E X4
7
14
IC2-C
74HC74
C58
330P
C69
330P
C71
330P
C87
330P
C93
330P
R64 220E
1
5 2 4 3
AC2 47P X4
R71
1K8
C2
47P
3 4
5 6
7 8
1 2
AR1 33E X4
7
14
IC9-E
74HC00
11
12
13 10
8
9
CK
D
R S
Q
Q
D FF
IC2-B 74HC74
1
2 3 5 4
AC1 47P X4
3
2
1 4
6
5
CK
D
R S
Q
Q
D FF
IC2-A 74HC74
4
5
6
IC9-B 74HC00
4
5
6
IC10-B 74HC32
7
14
IC10-E
74HC32
5 6
4
IC3-B 74HC125D
1
2
3
IC10-A
74HC32
R8 1K
C14
100N
15
14
13
12
11
10
9
7
4
5
6
3
2
1
O0
O1
O2
O3
O4
O5
O6
O7
1 OF 8 DECODER
A0
A1
A2
E3
E2
E1
IC1-A 74AC138
C65
100N
4
3
AR8-B
33E X4
2 1 AR8-A 33E X4
C107
22P
C21
100N
C20
100N
C103
100N
4
7
IC15-B
TL071
13
14
15
17
18
19
20
21
1
31
30
24
22
2
3
29
28
4
25
23
26
27
5
6
7
8
9
10
11
12
D0
D1
D2
D3
D4
D5
D6
D7
OE
CS
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A15
A16
VPP
A17
A18
IC12-A 27C4001D
6
5
AR16-C 33E X4 8
7
AR9-D 33E X4
C100
100N
5
6
AR19-C 33E X4
R77 33E
1 23 33 49 55 65 79 90 97 113
128 112 104 96 85 73 64 50 48 32 17
IC18-B GATEVIDEO
15
16
13
14
11
12
9
10
7
8
5
6
3
4
1
2
CN1
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1 2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
CN3
R1 33E
R19
1
K
122
121
120
119
118
117
114
113
112
111
110
109
108
107
106
105
5
4
3
2
126
125
124
123
128
41
1
103
104
47
48
49
50
51
52
57
56
54
60
35
55
59
53
38
45
46
6
8
10
11
14
37
40
42
24
23
26 9
7
101
100
99
98
97
96
95
94
93
89
88
87
86
85
84
83
82
81
80
78
77
76
75
74
34
33
32
31
30
29
22
21
20
19
18
17
16
15
67
65
63
61
62
64
66
69
71
72
70
68
36
39
IAD0
IAD1
IAD2
IAD3
IAD4
IAD5
IAD6
IAD7
IAD15
IS
IACK
IAL
IWR
IRD
PF0
PF1
PF2
PF3
PF4
BMODE
MMAP
EINT
BR
BG
EBG
EBR
ELOUT
ERESET
EMS
ECLK
ELIN
A0
A1
A2
A3
D23
RD
BMS
DT1/F0
EE
DR1/F1
A4
A5
A6
A7
A8
A9
A10
IAD11
IAD12
IAD13
IAD14
RESET
PF5
PF6
PF7
TFS1/IRQ1
SCLK0
RFS0
RFS1/IRQ0
WR
TFS0
IRQL1
A13
A12
FL1
D4
D3
D2
D1
D0
A11
FL0
FL2
SCLK1
DR0
IAD8
IAD9
IAD10
DT0
IRQE
IOMS
DMS
CMS
PMS
PWD
PWDACK
BGH
CLKIN
XTAL
CLK0UT
D20
D21
D22
D19
D10
D11
D12
D13
D14
D15
D16
D18
D5
D6
D7
D9
D8
IRQ2
IRQL0
D17
ADSP2181
IC17-A ADSP2181
R21 120E
5 6
4
IC11-B
74HC125D
R13
680E
12 11
13
IC11-D
74HC125D
9 8
10
IC11-C
74HC125D
C38
100P
R20
4K7
C1
100P
TR8
MPS818
C36
100N
R22
1K8
C40
100N
R23 2K2
R32 10K
R60 5K6
R49
220E
C75
10P
XT3
PAL 30MHz NTSC 30.20979MHz
C82
22P
R16 100E R18
680E
7 8 AR20-D 4K7 X4
3 4 AR17-B 4K7 X4
6 5 AR17-C 4K7 X4
7 8 AR17-D 4K7 X4
8 7 AR7-D 4K7 X4
1 2 AR7-A 4K7 X4
5 6 AR7-C 4K7 X4
1
2
3
4
5
6
7
8
9
CN2
C26
22N
R9
390E
40 35 21
20 6 1
IC16-B
HM514260
19 23 24 41 42 43 44
22 21 20 4 3 2 5
IC21-B
ADV476KP35
1
2
3
IN OUT
GND
IC14 7812
13 16 20 5 24
25 4 9
IC6-B
AD1877
12 25 27 44 58 79 90 92 102 116 127
115 91 73 43 28 13
IC17-B ADSP2181
SDMA-C1
SDMA-CK
SDMA-C0
SDMA-IN
RST
550137
WE1
PAL/NTSC
WE0
LUM
HSYNC
GREEN
CVBS
LGND
BLUE
CHR
GREEN
BLUE
RED
VIDEO OUT
SUBCRR
HYSYNC
VSYNC
CS3
PAL/NTSC
R/W
PAL
ONLY
CLOCK
NTSC
ONLY
RED
DTACK2
AGND
CONV-L
A/V INPUT & SUPPLY
VSYNC
761143 - AUDIO/VIDEO WITH VOCAL PROCESSOR BOARD (PAL VERSION)
761152 - AUDIO/VIDEO WITH VOCAL PROCESSOR BOARD (NTSC VERSION)
FROM CPU & S.G. BOARD CN12
CONV-R
FROM POWER AMP & SUPPLY BOARD CN5 (WK) CN4 (SK) CN11 (GPS-PS)
TO POWER AMP & SUPPLY BOARD CN11 (WK) TO ANALOG I/O BOARD CN11 (SK) TO CONTROLS & MIDI I/O BOARD CN1 (PS-GPS)
LGND
COMP DUTY
CICLE ADJ
CHROMA SUBCARRIER PLL
ADDR & DATA BUS
LGND
CS3
315109
PAL
ONLY
IDMA
BOOT
+18V
NTSC
ONLY
+5V
-18V
Adjustment Table
6
UNMOUNTED - FUTURE EXPANSION
EPROM
BOOT
UNUSED COMPONENTS
PCB# 315109
ADC & CONTROL SIGNALS
FROM/TO CPU & SOUND GENERATOR BOARD CN13
FROM/TO CPU & SOUND GENERATOR BOARD CN4
RICCOBELLI
19-01-00
RICCOBELLI
PANNELLI
A/V WITH VOCAL PROCESSOR BOARD
1/1
R/W
105005 - FPGA (VIDEO MODE)
N.
R32 side IC18
Adjustment Type
C81
Operation Point
1
CSYNC
COMPOSITE DUTY
CYCLE ADJ
Set the oscilloscope on DC at 1V/div. 50uS/div., turn the trimmer to have duty
cycle more close as possible to 50%, verify the adjustment with a monitor attached
to VIDEO OUT socket.
Test Point Note:
CPU ADDRESS BUS
CPU DATA BUS
CPU DATA BUS