Sony DSR-20MD Service Manual page 77

CM-56 (SERVO, SYSTEM CONTROL) SCHEMATIC DIAGRAM
1 2 3 4 5
CM-56 BOARD (1/2) SERVO,SYSTEM CONTROL
-REF.NO.:4,000 SERIES-
XX MARK:NO MOUNT
A
CN002 8P
CL017
1
CHIME VDD
CL016
CHIME SDA 2
CL015
CHIME SCK 3
CL014
TO JC-19 BOARD (12/18)
CHIME GND 4
CL133
CN501
5
C IN
(SEE PAGE 4-41)
B
N.C 6
CL501
UNSW 3.1V 7
CL134
R011
8
GND
R283 47k
47k R002
CN001 16P 4700
CL013
L S REEL FG 1
CL012
REEL LED 2
CL011
S S REEL FG 3
CL010 MC71
4
T EL OUT
C CL009
EL GND 5
CL008
EL 5V 6
CL006
TO MD-63 BOARD 7
COM
CL005
CN101
TAPE LED 8
(SEE PAGE 4-91)
CHIME GND 9
CHIME SCK 10
3
11
CHIME SDA
Q002
CHIME VDD 12 UN2213-TX
D CL004
MC26
REC PROOF 13
CL003
C IN 14
CL002
C OUT 15
CL001 SE1
END SENS 16
L004
10uH
C006
10u
16V
E
R003
3.1
39 R006
47k
Q001
MC28
2SB709A-QRS-TX 3.1
R009
1k 2.9
0.1
CN003 30P
CL044
MC3
1
XMECHA_CS_D1
CL051
MC98
F
DRAM-BNK 2
CL052
MC97
TBC-REN 3
CL043
MC5
JSWP 4
CL020 MC21
5
XME_MP
CL532
RF_5V 6 MC1
RF_5V 7
CL019
8
5V MC3
CL018
RP3.1V 9
G
RP3.1V 10
MC5
CL503
PBRF 11 MC6
CL504
12
ATF GAIN
CL021
GND 13
GND 14
CL505
TO RP-228 BOARD (1/2) MC36
PBRF PSV 15
CN103
GND 16
(SEE PAGE 4-11) MC11
CL040
MC61
SP SI 17
H CL039
MC60
SP S0 18
CL038 MC62
19
SP SCK
CL037
MC59
SP CS MECHA 20
CL036
MC38
MO_RST 21
CL035 MC53
TRKD 22
CL034
MC54
FLTD 23
CL033
MC1
MECHA-STB-DA 24
MC19
CL032
MC35
I MECHA SCK 25 MC20
CL031 MC33
26 MC21
MECHA SI
CL030 MC34
MECHA SO 27
MC22
CL029
MC6
SCOD WINDOW 28 MC23
CL028
MC99
AV_AREA 29 MC24
CL027
MC81
30 MC25
DX_PLL_ERR
CL045
J
K
L
M
C515
100u
6.3V
R017
0
C003 C002
CN004 8P L002
CL042 XX XX
XX
SW 3.1V 1
CL025
GND 2
CL041 L001 XX
N SW 5V 3
R019
TO U-2 BOARD
0
4
SW_6V
CN10 CL024
R004 XX
(SEE PAGE 4-118) UNSW 6V 5
CL023
UNSW 14V 6
CL022
MOTOR GND 7
MOTOR GND 8
LND010
O
GND
R015
0
LND011
GND
05
P
• See page 4-97 for CM-56 printed wiring board.
• See page 4-123 for waveforms.
6 7 8 9
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
:IMPOSSIBLE TO MEASURE THE
*
VOLTAGE AT THE MARKED POINTS.
R097 R110
R096 10k
R099 10k
1k
R010 220k
R012
47k
47k
C026
0.1u F
R095
560
14 13 12 11 10 9
3.1 3.1
IC006
UPC339G2-E2
0 3 IC006
IC002 C514
0 0
0.01u
TC74HC08AF(EL) R094
F
6800
IC002 CL026
3 0
3.1
1 2 3 4 5 6
3
0 R109
22k
R112
C020
22k
10u
16V
R115
560
C025
10u
R560 16V
4700
C021
C031
0.1u
0.1u
0.1 3.1
Q503 Q504
UN2213-TX
UN2213-TX
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
R036 100
0
CL530
R035 100 2.9
1
R033 1k 1.5
0.2
R032 1k
2
CL007
CL518
CL519
CL531
R030
1k
CL048
IC003
3.1
CL529
CL047
IC003
CXP912032-073R-T6
CL534
R565 1k
0
R566
CL046
3.1
1k
R573
CL055 0
1k
R286 1k 3.1
R029 1k 0
5
R026 1k
3.1
R028 1k 3.1
6
4
3
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
R506
1k
X001
20MHz
C028
10p
50V
CH
C029
0.1u
50V
F
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
4-101
10 11 12 13 14
25 24 23 22 21 20 27 19 18 17 16 15 14
8
IC009
BA6219BFP-Y-E2
IC009
R134
9100
1 2 3 4 5 6 26 7 8 9 10 11 12 13
7
MC95
R160
XX
MC96
C040
R118
0.1u R551
2200
B 47k
R133
R117 12k
560 D002
C051 C053
R552
RD10M-T1B
0.1u 33u
47k
F 25V
F001 1.25A :DSR-20MD
PS001 1.25A :DSR-20MDP
CL511 D001
1.9 MC74
MA786-TX
CL068 R541 10k
1.1 MC72
2.3 CL067 MC71
R542 10k D011
MA786-TX
R540 XX
D012
MA786-TX
1.8 R556 100 R142 XX
MC62
2.6 R132 100 MC61 R557 XX
R131 100 XX
2.4 MC60 R558
R130 100 MC59
2.7
MC58
1.5 CL066 R553 10k
MC57
CL065
1.5 R554 10k
MC56
CL064
0.2
R555 10k
0.3 R129 1k
MC54
R128 1k
1.5 MC53
R500 XX
CL063 R127 1k
* MC52
* CL062 MC51
L006
R126 R505 XX
10uH
1k
C009
100u
6.3V
C007
0.1u
C005 F
0.01u
R001 L003
B
2200 470uH
C001 C004
R005
150p 150p
2200
CH CH
LND005
GND
CL901
R901 0 DSR-20MD
CL902 R902 0
DSR-20MDP
CL903 R903 XX
CL904 R904 XX
3.1V
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
15 16 17 18 19
C063
0.33u
F
R504
XX
IC11
L007
R158
C056 3.1V 47uH
0.1u 1M
B
A1
R148
47 1.2
IC014
14 13 12 11 10 9 8
IC014
9
BA10393F-E2
7
8
8 7 6
IC11
CXA8010M-E1
12
11
C039 10
22u
6.3V
C068
0.01u 1 2 3
F
1 2 3 4 5 6 7 R203
1M
C045
XX
C037
R182
XX
C047 C052 1M
1u
0.1u
B 50V
MC49
R020
68k
C027
R069
R059 0.01u
560 33k B
IC001
C017
2200p
IC001 B
TC7S66F(TE85R)
3
32 31 30 29 28 27 26 25
R046
3
6800
5
3
R040
6800
R120
1.8 10k
13
3
5
IC005
2.5
C011
2.4
0.022u R119
IC005
B 3.1 CXA8044Q-T4 3.4 10k
R039
12k
14
9 10 11 12 13 14 15 16
6
R091 22k
R108 FL002
0
R090 22k
7
R051
C018
10k
0.01u
B
6
R050
R068
15k C022 FL001
R079
XX 10u
10k
16V
7
SIGNAL PATH
Drum speed servo
Drum phase servo
Drum servo(speed and phase)
Capstan speed servo
Capstan phase servo
Capstan servo(speed and phase)
Ref.signal
SERVO, SYSTEM CONTROL
4-102
DSR-20MD/20MDP
20 21 22 23
UNSW_3.1V
SW_3.1V
1-1
1-2
R546
10k
R545
4700
5
1.4
Q500
2SB709A-QRS-TX
0.8
R543
100
1-3
4
R544
XX
1-4
SW_5V
1-5
EL_GND
1-6
MOTOR_GND
SW_5V
1-7
1
TO CM-56 BOARD (2/2)
(SEE PAGE 4-103)
R143
10k
5
Q003
MSD601-RT1
3.1
C035
0.01u
C036
0.1u
R137
5 4 3 2 1 2.5
1k
0
9 10 12
0.6 MC100
R136
1k
Q004
1-8
UN2211-TX
FG_GND
C034
0.01u
5 4 3 2 1
R138
9 10 12
1k
SW_3.1V
SW_5V
UNSW_6V
UNSW_14V
MOTOR_GND
REC REC/PB PB
CM-56 (1/2)