Akai DV-R4100VSS Service Manual page 24

RF, SERVO CONTROL SECTION
RFA5V
+
CE42 C3
100uF/16V 0.1uF
VR_SEL Logic:
CD=LOW
DVD=HIGH
R7
4.7K
VR_DVD
R6
Q25 4.7K
3
1 2
2SK3018 R225
0R
Q20
3
1 2
2SK3018 R8
VR_CD
Q19 0R
3
1 2
2SK3018 R211
0R
CD_DVD
RF33V
RF33V
RFA5V
RFA5V
M5V M5V
MGND MGND
GND
RFGND
R158 5.6K R159 5.6K
RF33V
R164 5.6K
FOCUS_DAC
C180
560pF
FOCUS_DAC1
MGND
C94 0.1uF
MGND
R30
SLED_PWM1
R69 11k
SLED_PWM
C45
27nF
MGND
M5V
CE46 C26
0.1uF
47uF/16V
MGND
MOT_SLED-
MOT_SLED-
MOT_SLED+
MOT_SLED+
FACT-
FACT-
FACT+
FACT+
TP5
NOTES:1. All resistance values are indicated in "ohms"
(k=1000 ohms. M=1000 Kohms).
2. All capacitance values are indicated in "µF" (p=10 µF).
TP38
RFA5V
C146
C110
TP33
0.1uF
OPU_RF C148
OPU_RF
1nF
VR_SEL
TP32
U14
1
DVDRFP
2
DVDRFN
C157 2.2nF 3
A2
C158 2.2nF
4
B2
TP31 TP11 C159 2.2nF
5
TP19 TP12 C2
C161 2.2nF 6
D2
C162 33pF
7
CP
8
CN
OPU_D 9
OPU_D D
OPU_C
10
OPU_C C
OPU_B
11
OPU_B B
OPU_A 12
OPU_A A
13
CD_D
14
CD_C
15
CD_B
16
CD_A
TP20
TP3 TP30
TP21
OPU_F
OPU_F
OPU_E
OPU_E
OPU_VREF
OPU_VREF
P_MD
P_MD
R32
Q17 CE43
2SB1132
3
1 R61
2
C9
L7 NC
DVDLD
DVDLD
10uH
D19
RLS4148
RFGND
D20
RLS4148
L8
CDLD
CDLD
10uH C10
NC
2
R194
1
Q18 3
2SB1132 CE44
R36
U15
BA5954
R54 10K
1 28
VINFC STBY
VC2
C154 100pF 2 27
CFCERR1 BIAS
R60 47K
3 26
CFCERR2 VINTK
4 25
VINSL+ CTKERR1
10K 5 24
VINSL- CTKERR2
C143 4700pF
6 23
VOSL VINLD
R137 6.8K
7 22
VNFFC PREGND
8 21
VCC PVCC2
9 20
PVCC1 VNFTK
10 19
PGND PGND
11 18
VOSL- VOLD-
R23 0 SLED0+
12 17
VOSL+ VOLD+
R57 1 FACT3-
13 16
VOFC- VOTK-
R58 1 TACT3-
14 15 TACT3+
VOFC+ VOTK+
TP18
TP8
-6
MGND
43
RFA5V
TP9
1
.
33nF
FNN C145 1nF
FNP C147 1nF
C123 1nF
RFA5V
TP10
R135 12K/1%
RFGND
RFA_SDEN
48
SDEN
RFA_SDATA
47
SDATA
46 R4
SCLK
45
V33
C160 470pF
44
LCP
43 TP23
LCN
ZR36707 42
MNTR
RFA_CE R139
41
CE
40 RFA_FE R140
FE
RFA_TE TP46 R141
39
TE
RFA_PI R142
38
PI
37
V25
SVREF15
36
V125
C163 0.1uF RFA5V
35
TPH
34
DFT
33
LINK
RFA5V
R143
NC
R146 NC
R9
R147 C121
NC
0.1uF
TP35 TP36
22
100uF/25V
RFA5V
RFGND
RFGND
220
R152
TP40
4.7K
RFGND
RFA5V
C120 C111
0.1uF 0.1uF
220
100uF/25V
RFGND RFGND
22
TP42
R171 5.6K R175 5.6K
SMUTE
C54 0.1uF R173 5.6K
MGND
R52 10K TRACK_DAC1 C187
560pF
C149 100pF
R136 10K MGND
R29 0 R157 11k
SPINDLE_PWM
C44
27nF
M5V
MGND
MOT_SPDL-
SPDL+ R31 0
MOT_SPDL+
R49 1
R154 1
TACT-
TACT+
TP34
RFINN
RFINN
RFINP
RFINP
TP15 TP16
RF33V
RFA_SDEN
RFA_SDATA
0R
RFA_SCLK
NC AAF_CE
AAF_CE
AAF_FE
1.3K
AAF_FE
1.3K AAF_TE
AAF_TE
1.3K AAF_PI
AAF_PI
TP47
VBIASS0
C114 C117
+ CE66 0.1uF 0.1uF
4.7uF/16V
RFGND
RFGND
4.7K
LINK
R10 C69
9.1K 2.7nF
TP37
RFA_DEFECT
DEFECT
RFA_MIRR
MIRR
RFA_LDON
LDON
AAF_CE
R16 13K
R11
220
LOAD-
LOAD-
LOAD+
LOAD+
TP28
R13
CLOSE
RF33V
220
R264 R150
470R/1% 10K/1%
VBIASS1
C107
R265 R153 R266 0.1uF
RF33V 10K/1%
470R/1%
10K/1%
TRACK_DAC
MOT_SPDL+ MOT_SPDL-
R195 R192
10K 11K
R193 R190
22K 22K
M5V
MGND MGND
R156
4.7K
HOMEA HOME
44
M5V
R253
Q23 0
Q24
8550
8550
R12
220
TP29
R14
OPEN
220
Q22 Q21
8050 8050
MGND
R179
1M
M5V
U1B
5
+
7
SPDL_PULSE
6
-
R176
TL3472 3.3K
MGND