Ic Blocks - Yamaha DVD-C900 Service Manual

DVD-C900
QQ
3 7 63 1515 0

IC BLOCKS

IC1 : AN8813NSB
4-ch Power Op-Amp System Driver
20 18 17
21 1/2 PVCC
22
DIRECTION
24
DETECTOR
23
1
3.3V
2
REGULATOR
19 25
IC6 : AN8825NFHQ
Front End Processor (FEP)
TE
L 13942296513
87 88
VIN6
93
VIN5
94
FBAL
12
VIN7
92
VIN8
91
TBAL
10
VIN1
95
VIN2
96
DIFN 100
VIN3
97
DIFP
99
VIN4
98
TGBAL
7
TG
11
LDONA
2
LDONB
1
LPC1
6
LPC AMP
LPC0A 5
LPC2
4
LPCOB
3
16 90 76 43 55
www
.
47
http://www.xiaoyu163.com
16 15 14 13 12 11
DIRECTION DIRECTION DIRECTION
DETECTOR DETECTOR SWITCH
26 27 4
80 84 83 82 81 72 73 71 13 28 30 29
HOLD
FBAL
TBAL
EQ
TBAL
EQ
TANGENTIAL
PHASE DET
51 33 86 40 63 46 14 15 34 85 35 89
x ao
y
i
http://www.xiaoyu163.com
8
9
1/2 PVCC 8
SVCC
7 SVCC
DETECTOR
THERMAL
PROTECTION
FIN GND
CIRCUIT
VREF
28
DECODER
10 5 6
Q Q
3 6 7 1 3
79 67 68 37 36 74 75 39 38 56 32 54 52 53
AGC
EQ DSL
CONT
VGA
PLL
F COMP
VEL ADJ.
JITTER
TRACKING
DET
PHASE DET
MIRROR
BDO OFTR
DET
DET DET
BAND
INTERFACE
CAP
65 21 20 19 18 17 22 24
u163
.
2 9 9 4 2 8
IC2 : BA6849FP-E2
Motor Driver
N.C. 1
TSD
DRIVER
A3
2
CURRENT
N.C. 3
SENSE AMP
GAIN
+ –
CONTROL
A2
4
N.C. TL
5
PS
N.C.
6
TORQUE
SENSE AMP
A1 +
7
–
GND 8 HALL AMP
+
–
H1+
9
+
–
H1–
10
+ R
D Q
–
H2+
11
SHORT BRAKE
CK Q
+
–
H2–
12
+
–
H3+
13
H3–
14 HALL BIAS
1 5 0 5 8 2 9 9 4
TIMMING DSLO
41
CONT
58 VCOIN
PLFLT
59
PLFLT2
60
VCK8
42
PCPO
61
62 FCPO
ITDL
57
FUPDN
64
RDCKN
49
50 RDCKP
DTMONN
45
SYNC
DTMONP
44
RDTN
47
RDTP
48
JITOUT
66
MMPW
31
VPWOFT
77
VPWBD0
78
OFTR
69
BDO
70
8 POFLT
PTH
9
m
co
9 9
28 RNF
27 VM1
26 VM2
V
CC
25 VCC
24 FG
23 PS
EC
22
V
CC
21 ECR
FR
20
19 N.C.
SB
18
CNF
17
16 N.C.
VH
15
2 8 9 9