Yamaha Clavinova CVP-205 Service Manual page 131

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1
2
CVP-205/CVP-205M OVERALL CIRCUIT DIAGRAM 1/3 (DM, SWX, MIC, INV)
A
DM
NAND
REGULATOR +3.3V
B
to MA60-CN4
to PEDAL - CN2
(D-JACK 2/2)
to D-JACK - CN1
C
BUFFER
to IC18-164
to IC18-110
to IC18-100
to IC18-107
to IC18-88
D
to IC18-89
to IC18-113
to IC18-112
to GH-DclSW L-CN1
E
to MA60-CN3
F
FDD
G
to H9
to H9
LCD Back Light
to E8
LCD
H
I
J
K
L
INV
not installed
28CC1-8819794 1
M
N
O
: Ceramic Capacitor
P
Note : See parts list for details of circuit board
component parts.
Q
CVP-205/CVP-205M
1
2
3
4
5
to IC24-14, IC25-14, IC40-24, IC41-24
to IC22-20
to IC43-1, IC29-14, IC42-24
IC1-4
to IC18-168
COMPARATOR
to IC18-206
to IC22-67
to IC22-19
to IC1-5, CN10-15
to IC22-18
to IC1-3
to IC1-9
to IC1-8
to IC18-200
to IC1-9
to IC18-207
to CN12-10
to IC18-201
to CN12-12
to CN5-10
to CN7-14
to IC43-19
to IC18-169
to IC18-203
to IC18-172
to IC18-166
to IC18-199
to IC18-118
CLOCK
to IC18-162
to IC26-41
to CN6-6
to CN6-8
to IC33-26
to IC9-3, CN27-24, IC26-30, IC30-16, IC8-10
to IC26-9, IC9-4, IC8-13, IC33-28
to IC33-11
to IC36-1
to CN9-4
CLOCK
to IC18-90
to IC26-10, IC8-14, IC9-5,
IC36-151
AND
to IC1-18
to IC1-17
to IC18-171
to IC18-165
to IC1-15
to IC1-14
to IC39-4
FDC
to IC21-6
to IC18-114
SRAM 256K
LCDC
to IC11-7
to IC1-15
to IC1-14
to IC39-4
to IC18-119
INVERTER
SWX00B
DRAM 4M
to IC21-12
to IC39-4
to IC18-88
to IC30-19
to CN10-12
to IC30-21
SWX
SWX00B
3
4
5
6
7
to CN11-2
to IC22-17, IC11-9
to IC39-1, 2
,
to IC24-54, IC25-54, IC29-54, IC1-6, IC36-152, IC40-27, IC41-27, IC42-27
to IC24-55, IC25-55, IC29-55, IC1-7
to IC18-93
to IC18-108
to IC18-106
to IC18-99
CPU
to IC26-21
to IC26-15
to IC18-107
to J6
,
,
AND
BUFFER
BUFFER
BUFFER
DECODER
to IC26-11
to IC8-19
to IC9-6
BUFFER
BUFFER
BUFFER
to IC18-182
RBG
ENCORDER
GATE ARRAY
28CC1-8820431
MASK ROM 128M
WAVE
not installed
to IC1-12
to E11
not installed
not installed
6
7
8
9
SDRAM 64M
not installed
to IC18-96
to IC18-96
not installed
to IC18-96
to IC18-158
to IC26-22
to IC36-154
to IC18-96
to IC36-166
D-FF
NAND
to IC18-98
to H3, IC18-193
to IC36-150
SIO4
to IC11-5
(GATE ARRAY)
to IC11-6
to IC1-14
to IC1-15
to IC39-4
to IC21-4
DAC
SRAM 1M
to IC36-160
to IC36-158
to IC36-164
to IC36-163
to D3
to CN7-9
to A-JACK
to PNR-CN1
-CN540
3
LINE
MIC
MIC/
LINE IN
28CC1-8820431
SWX00B
INVERTER
8
9
10
11
12
CVP-205/CVP-205M
not installed
to IC18-98
to IC18-88
to IC18-98
to IC18-88
FLASH ROM 8M
to IC18-88
to IC1-13
to IC1-14
to IC1-16
to IC18-122
to IC18-162
to K7
ADC
: inatalled
to IC36-156
: not inatalled
to IC36-157
to IC36-164
to IC36-160
to IC1-15
: inatalled
: not inatalled
to IC18-94
OP AMP
to IC18-116
to
IC18-177
to IC18-1117
OP AMP
REGULATOR +5V
MIC
not ins talled
28CC1-8812890
DRAM 4M
not installed
28CC1-8820112
CVP-205/CVP-205M
10
11
12
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q

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