Sony DCR-DVD91E Service Manual page 74

2 3
1
A
MD-104 BOARD(3/8)
MECHA DRIVE(MD BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
:Voltage measurement of the IC
and the Transistors with mark,is
not possible.
B
(-13):Board suffix No.
(-14):Board suffix No.
SIGNAL PATH
C
SPINDLE SERVO (SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
FOCUS SERVO
D
DMO
DMO
(2/8) FOO
@m15
FOO
(4/8)
E
TRO
SKEW1
SKEW2
S_VRD
S_VRD
S_DMO
S_DMO
SLD_LGAIN
SLD_LGAIN
XIDLE
@m16
(4/8) XIDLE
SKEW_EN
F
SKEW_EN
ACT_EN
ACT_EN
INSW_X
INSW_X
INLIMIT_X
INLIMIT_X
TEMP
TEMP
SPDL_EN
G
FCS+
FCS+
FCS-
FCS-
@m01
(1/8)
TRK+
TRK+
TRK-
TRK-
H
S_VRD
S_DMO
1.3 4.8
I
DMO
4 5
C4888
0.1u
B
3 2 1
1.3
1.3
IC4855
C4889
BUFFER
0.1u
J B
(1/8) (4/8)
@m05
(7/8) VRD
(2/8) (6/8)
16
DCR-DVD91E/DVD101/DVD101E
4 5 6
R4870
XX
C4866
XX
C4886
10u
C4864
C4890
0.1u
10u B
48 47 46 45
2012
Vref
C4856
2200p B
CNF6
C4857
2200p B
CNF5
C4858
2200p B
CNF4
C4859
2200p B
CNF1
C4860
0.001u CH
CNF3
C4861 R4867
0.001u CH 10k
CNF2
R4864
220k
IN2
R4865
FOO_O 220k
IN3
R4852 R4868
12k
10k
IN1
R4853
12k
IN4
FMO_0
IN5
FMOS_0
IN6
R4851
DMO_O 10k
INSP
FGSW
C4852
0.1u
N.C.
R4869
0
(-13)
(-14)
1 2 3
C4865
10u
(-13)
R4859 R4856
R4950
IC4854
1k:(-13)
3900 18k:(-13)
(-14)
27k:(-14) 10k:(-14)
SWITCH
(-13)
(-13)
IC4852 TC4053BFT(EL,N) IC4854
1.4 4.8 1.4
VDD
IN
1.1 1.4 1.1
DMO_O
OUT
IN
1.3 1.3 FOO_O
IN OUT
1.3 1.3
IN
OUT
1.2 1.2
FOO
IN IN
4.8
INH
4.8
VEE
4.8
GND
IC4852
SWITCH
— 9 —
7 8 9
R4877
R4875 R4876
R4878
XX
XX XX XX
C4872 C4873 C4874
R4861
XX XX XX
XX
C4871
XX
(-14)
R4879
R4880 C4883
(-13)
(-13) 0 0
10u
(-14)
R4883
1
R4884
1
R4885
44 43 42 41 40 39 38 37 36 35 34 33 1
RNF
FG
IC4853 HB
HUP
C4878
FOCUS/TRACKING DRIVE, 0.01u
HUN
SLED/SPINDLE/SKEW
MOTOR DRIVE
HVP
C4879
0.01u
HVN
IC4853
HWP
C4880
BH6595KU-E2
0.01u
HWN
Vcc
C4881
0.1u
GND
C4882
0.01u
SPCNF
GVSW
R4887
XX
MUTE
SB
STBY
R4882
0
(-13)
(-14)
4 5 6 7 8 9 10 11 12 13 14 15 16
(-14)
R4900
0
(-13)
(-13)
R4951 R4862
3900:(-13)
18k
R4857
27k:(-14)
1k:(-13)
IC4856
(-14)
10k:(-14)
(-13)
R4858 SWITCH
6800
FMOS_0
(-14)
TC4053BFT(EL,N)
COM
1.3
4.8
INH
VDD
IN
1.4
FMO_0
VEE
OUT
IN
1.3 FMOS_0
GND
OUT
1.3
IC4857
IN
1.2 TC7W53FK(TE85R)
IN
4.8 FMO_0
COM
4.8
SLD_LGAIN 1.4
INH
GND VEE
GND
IC4857
SWITCH
10 11 12
Q4852
2SA1462-T1Y34
SWITCH
2.8
INSW_X
2.8
R4893
330
0
R4895
INLIMIT_X 330
R4894
47k
C4884
XX
TEMP
R4888
33k
SKEW_EN
R4889
18k
ACT_EN
R4890
100k
C4853
(-14)
XX
R4886
R4850 0
47k
(-14)
(-13)
R4849 0 (-13)
R4855
10k:(-13)
12k:(-14)
C4887
R4881
0.1u
(-14)
47k
IC4856
TC7W53FK(TE85R)
4.8
VCC
1.2
ch0
1.3
ch1
4.8
A
4.8
VCC
FMO
1.1 4.8 R4854
ch0
10k:(-13)
12k:(-14)
1.4
XIDLE
ch1
4.8
4.8
A
Q4851
DTC144EMT2L
SWITCH
SLD_LGAIN
— 10 —
13 14
(-13)
R4891 CN4851 6P
(-14) 0
1 GND
2 GND
(-13)
R4892 0 M
3 VO4- (FMO2)
4 VO3+ (FMOS1) SLED MOTOR
5 VO4+ (FMO1)
6 VO3- (FMOS2)
BASE UNIT
(2/2)
C4885
0.1u
B
20P
CN4852
1 INLIMIT_X (PD-C)
(-14)
2 INSW (PD-A)
(-13)
INLIMIT
R4896 PD
3 REG_GND
0
4 REG_GND
R4897
0 (-13) 5 NC
6 A_2.8V
SPINDLE
7 A3 (W) SENSOR
8 A2 (V)
M
9 A1 (U)
10 H1+ (HU+)
11 H1- (HU-)
R4949
220
H
12 DRV_A_4.6V (H+)
13 VH (H-)
R4899
180
14 H2+ (HV+)
15 H2- (HV-)
16 H3+ (HW+)
(-13)
17 H3- (HW-)
R4898
0
18 REG_GND
(-14)
TEMP
19 TEMP
SENSOR
20 NC
A_2.8V
DRV_A_4.6V
D_2.5V
@m18
(8/8)
DRV_MT_4.6V
D_A__GND
D_MT__GND
CN4801 15P
1 N.C.
2 N.C.
3 N.C.
4 N.C.
5 N.C.
6 N.C.
7 N.C.
SKW1-
8 VO3(-) (SKW1-)
9 VO3(-) (SKW1-)
SKW2-
10 VO4(-) (SKW2-)
M
11 VO4(-) (SKW2-)
SKW1+
12 VO3(+) (SKW1+) SKEW MOTOR
13 VO3(+) (SKW1+)
SKW2+
14 VO4(+) (SKW2+)
15 VO4(+) (SKW2+)
FG
@m10
FMOS (2/8)
MD-104 (3/8)