Mdr-14 - Sony HDW-750 Maintenance Manual

HDW-750 (J) : S/N 70001 and Higher
HDW-750 (UCJ) : S/N 10001 and Higher
+5V
1
R24 R1 DRUM_HALL
1k 220
CN1
12 DRUM_COIL_U
11 DRUM_COIL_V
10 DRUM_COIL_W
9 DRUM_HALL_VCC
1
8 DRUM_HALL_U+
2
7 DRUM_HALL_U-
3
6 DRUM_HALL_V+
4
5 DRUM_HALL_V-
5
4 DRUM_HALL_W+
6
R3
3 DRUM_HALL_W-
150
2 DRUM_HALL_VEE
1 MDR_GND_FRAME
R25
680
GND-3 GND
+12V
CN3 (12/45)
12 MDC_UNREG_+12V
CN3 (13/45)
13 MDC_UNREG_+12V
CN3 (14/45)
14 MDC_UNREG_+12V
CN3 (15/45) 15 MDC_UNREG_+12V
+5V
2
CN3 (16/45) 16 MDC_UNREG_+12V
CN3 (17/45) 17 MDC_UNREG_+12V
CN3 (19/45) 19 MDC_REG_+5V
CN3 (20/45) 20 MDC_REG_+5V
CN3 (21/45)
21 MDC_REG_+5V
CN3 (22/45)
22 MDC_REG_+5V
CN3 (44/45)
44 SS_H_DRUM_BRAKE
R2
22k
CN3 (45/45) 45 SS_DRUM_DRIVE
R26
100k
3
GND
CN3 (42/45)
42 MDC_CAP_COSC
CN3 (43/45) 43 MDR_DRUM_VOL
4
CN2 (22/24) 22 DRUM_FG(X)
CN2 (24/24)
24 DRUM_FG(Y)
CN2 (21/24)
21 DRUM_PG(Y)
CN2 (23/24) 23 DRUM_PG(X)
5
A B
+5V
IC2
SI9145BQ-T1
R7
100
IC3 (2/3)
1 16 MC34151DR2
R12
15 47
13 VDD VS 4
UVLO OUT
12
EN
2 11
MODE OTS
3
DMAX/SS
4 7
COMP VREF
6
NI
5
FB
10
COSC
9
ROSC
GND PGND
8 14
R4 R27
33k 150k C6 C7 C10 R11 C11
1uF 220pF 0.1uF
0.1uF 47k
R6
33k
R5 C1
R9
0.0022uF
47k 220k
C2 C5 R10
47pF 470pF
150k
+5V
IC4
CXA1512N-4
11
14 VCC 12
C_FG+ C_FGO
13
C_FG-
1 10
D_FG+ D_FGO
5
VREF_O
4
D_FG-
6 9
D_PGI D_PGO
C8
0.0022uF
2
LPF1
3
LPF2
8
P_DETECT
GND
C3 C9
C4 R8
7
1uF 0.1uF 1M 1uF
GND
C

MDR-14

MDR-14
+12V Q1
SI4532DY-T1
R13 R15
10k 47
L1
4
220uH
5
C12
R17
0.01uF 10k
3 6
1 7
D1
SB05-05CP-TB 8
5
R18 2
10k
R14 R16
10k 47
C13
0.01uF
D2
SB05-05CP-TB
C14 C16
0.47uF C15 47uF
0.47uF 25V
SL1
4-94 4-94
D E
2SK852-T1X2
+5V +12V-2
C19
0.1uF
C17
0.1uF
IC1
LB1857M-TE-L
C18
0.1uF
C20
0.1uF
1 25 27
UIN1 UOUT
24
2
UIN2
C21
0.1uF
3 23 28
SL2
VIN1 VOUT
4 22
VIN2
C22
0.1uF
5 21 3
WIN1 WOUT
20 26
6
WIN2 Rf
R20
47k 8
ANGLE
19
BR
R28 7
STBY
220k
18
FRC
11 12
FGIN+ FGOUT1
R19
150k
10 13
FGIN- FGOUT2
F
Q2 Q3
2SD1624-T-TD
+12V +12V-2
S
D3
RD15UJN-T1
R21
4.7
R22
4.7
R23
4.7
DRUM_GND 1 CN3 (1/45)
CN3 (2/45)
DRUM_GND 2
CN3 (3/45)
DRUM_GND 3
DRUM_GND 4 CN3 (4/45)
DRUM_GND 5 CN3 (5/45)
DRUM_GND 6 CN3 (6/45)
DRUM_GND 7 CN3 (7/45)
SL3
DRUM_GND 8 CN3 (8/45)
DRUM_GND 9 CN3 (9/45)
CN3 (10/45)
DRUM_GND 10
MDR_GND 24 CN3 (24/45)
MDR_GND 25 CN3 (25/45)
MDR_GND 26 CN3 (26/45)
GND-2
MDR_GND 27 CN3 (27/45)
MDR_GND 28 CN3 (28/45)
MDR_GND 31 CN3 (31/45)
MDR_DRUM_FG_OUT 40 CN3 (40/45)
MDR_DRUM_PG_OUT 41 CN3 (41/45)
HDW-750 V2
G H