Akai DV-R4000SS Service Manual page 23

RF, SERVO CONTROL SECTION
A3V A3V
VCC33 VCC33
RFA5V RFA5V
M5V M5V
M12V
M12V
TP8
M8V
M8V
OPU_RF
GND
RFGND SGND
MGND
MGND
C158
TP19 TP20 TP21 TP22
C161
OPU_D
OPU_C
OPU_B
OPU_A
TP27 TP28 TP29 TP30 TP31
OPU_F
OPU_E
OPU_VREF
DVDPD
CDPD
TP39
DVDLD
DVDLD
RFGND
CDLD
CDLD
TP41
FOCUS_O
FOCUS_OUT
R49 C110
10K
10nF
TRACK_O
TRACK_OUT
R174 C111
10K
10nF
FOCUS_DAC1
R52 27K
TRACK_DAC1
MGND
R6 R7 R8 R9
1 1 1 1
C9 C10 C5 C4
0.1uF 0.1uF 0.1uF 0.1uF
RFA5V RFA5V
TP9
1
.
FNN
C146 33nF
FNP
C148 4.7nF
C154 1nF
RFA5V
TP10
R135 12K/1%
U14 RFGND
1 48 RFA_SDEN
DVDRFP SDEN
2 47 RFA_SDATA
DVDRFN SDATA
C157 2.2nF 3 46 RFA_SCLK
A2 SCLK
2.2nF 4 45
B2 V33
C159 2.2nF C160 470pF
5 44
C2 LCP
2.2nF
6 43
D2 LCN
C162 33pF
7 ZR36707 42
CP MNTR
8 41
CN CE
OPU_D 9 40 RFA_FE
D FE
OPU_C 10 39 RFA_TE
C TE
OPU_B 11 38 RFA_PI
B PI
OPU_A 12 37
A V25
13 36 RFA_VBIASS0
CD_D V125
C163
14 35
CD_C TPH
15 34
CD_B DFT
16 33
CD_A LINK
RFA5V
R143
13K 1%
1.8M
OPU_F R146
OPU_E
OPU_VREF
DVDPD R147
CDPD 27K 1%
R149 10 TP34
1
.
CE42 100uF/25V
RFA5V
RFGND
R151 1K
R152
TP40
4.7K
TP70 M12V TP71
Q17
QST8
RFGND
+ CE44
CE48
22uF/16V
47uF/16V
R154 1K
CE43 100uF/25V
R155 10
TP42
RFA5V
M5V
U15 BA5983FM
R62
220 1
BIASIN PREVCC
R57 20K 2
OPIN1+ OPIN4+
R54 27K
3
OPIN1- OPIN4-
R60 FOCUS_O
4
OPOUT1 OPOUT4
51K
R58 5
OPIN2+ OPIN3+
20K
6
OPIN2- OPIN3-
R23 51K TRACK_O
7
OPOUT2 OPOUT3
29
FIN FIN
MGND
8
GND GND
SMUTE 9
STBY1 STBY2
10
PVCC PVCC
TACT3-
11
TACT- VO2- VO3-
TACT3+ 12
TACT+ VO2+ VO3+
FACT3-
13
FACT-
VO1- VO4-
FACT3+
14
FACT+
VO1+ VO4+
C26
0.1uF
MGND + CE46
100uF/25V
MGND
41
C145 4.7nF RFINN
RFINN
C147 4.7nF RFINP
RFINP TP32
TP11
1
.
1 TP12
.
RFA5V
TP15 TP16 TP17
R136 4.7K
R137 4.7K
R138 4.7K
TP50 TP51 TP52
RFA_SDEN
RFA_SDATA
RFA_SCLK
VCC33
TP18
RFA_MIRR R139 13K
R140 1.3K
R141 1.3K
R142 1.3K
A3V
0.1uF
CE66
RFA5V 47uF/16V
TP54 TP55 TP56
+
TP26
TP25
VBIASS0
RFGND
RFGND
TP23
A3V TP33
RFGND
R4 NC
LINK
TP35 TP36 TP37
R150
10K 1%
RFA_DEFECT
DEFECT
RFA_MIRR
MIRR
RFA_LDON
LDON
R153
10K 1%
M5V
A3V VCC33
C197 C196
C34 C46 0.1uF 0.1uF
+ 0.1uF 0.1uF RFGND
SGND
MOT_SPDL+
R195
10K
MVREF2
C2
330nF R194
1.5K
28
R193
27 R61 22K
22K
R29 SPDL_PWM1
26
11K
R31
25
6.8K
24 R36 MGND
0
23 R30 SLED_PWM1
11K MOT_SPDL-
R32
22
6.8K
TP46 R192
30
10K
MGND
21
SMUTE
20 R10
SMUTE
1K
19
MGND R191
MOT_SLED3- 1.5K
18
MOT_SLED-
17 MOT_SLED3+
MOT_SLED+
SPNDL-
16
MOT_SPDL-
SPNDL+
15 R190
MOT_SPDL+
22K
C94
MGND
MGND
0.1uF
VCC33
R144
470R 1% M8V
R16 10K
Q18
MVREF2
MVREF2A
8550
R148
470R 1%
R11
220
MGND MGND
TP53
MOT_TRAY-
MOT_TRAY+
R13
TRAY_CLOSE
1K
AAF_CE
AAF_CE
AAF_FE Q20
AAF_FE
AAF_TE
8050
AAF_TE
AAF_PI
AAF_PI
MGND
TP57
A3V
R158 5.6K R159 5.6K RT207
TP45
MGND C180 220pF 1
.
R164 5.6K
FOCUS_DAC
FOCUS_DAC1
TP38
VBIASS1
SLED_PWM1
SLED_PWM
R168 R69
11k C45
10K 1%
27nF
OPU_VREF RT206 3.3K NC R171
TRACK_DAC1 R173 5.6K
C187 220pF
SPDL_PWM1
R157
C44 11k
R179 27nF
1M
M5V
M5V
M5V
R178
TP5
4.7K
U1A
HOMEA
3
+
1
2
-
RFA5V
TL3472
C194
0.1uF
MGND
R189
1M M5V
M5V
R177
TP47
4.7K
U1B
5
+
7
6
-
R176
1K
TL3472
MGND
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).
42
Q19
8550
R12
220
R14
TRAY_OPEN
1K
Q21
8050
OPU_VREF
3.3K NC
A3V
5.6K R175 5.6K
TRACK_DAC
MGND
SPINDLE_PWM
R156
4.7K
HOME
C193 C192 C191 C190 C189
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF + CE47
22uF/16V
SPDL_PULSE
-6