Sony DVCAM DSR-PD150 Service Manual page 85

DSR-PD150/PD150P
For Schematic Diagram
• Refer to page 4-51 for printed wiring board.
• Refer to page 4-115 for waveforms.
2 3 4
1
VC-242D BOARD(14/18)
NO MARK:REC/PB MODE
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
R :REC MODE
A
P :PB MODE
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
93
VTR_UNREG
TO(12/18,15/18,
16/18,18/18)
114
TO(18/18) MT_5.2V
B
151 MT_GND
TO(18/18)
L401
10uH
153 TO(18/18) D_2.8V
R402 R403
10k
10k
C401
C
0.001u
UNLOAD
B
UNLOAD
LOAD
LOAD
LM_LIM_ON
LM_LIM_ON
LM_LIM_DET
C402
LM_LIM_DET
0.001u
B
TAPE_END
C404
TAPE_END_C 0.047u B
TAPE_TOP_C
C405
D
0.047u B
TAPE_TOP
C406 2.2u F
TAPE_LED_ON
110
TO(13/18) TAPE_LED_ON
C407 0.1u B
TREEL_FG
T_REEL_-
T_REEL_+
E
S_REEL_+
S_REEL_-
SREEL_FG
XREEL_HALL_ON
XREEL_HALL_ON
R401
4700
F
DRUM_ERROR
116 TO(18/18)
CAP_ERROR
115 CAP_PWM
TO(13/18)
G C403
0.01u
B
MODE_SW_A
H
MODE_SW_A
MODE_SW_B
MODE_SW_B
MODE_SW_C
4.3
MODE_SW_C
107 MODE_SW_D R417
TO(13/18) R419
4700 22k
MODE_SW_D 0
DEW_AD
DEW_AD
R418
100k
REC_PROOF_SW
2SA2018-H-T2L
Q401
2SD2216J-QR(K8).SO
SWITCH
I 72
TO(8/18) REEL_EVR
CHIME_VDD
CHIME_SDA
117
TO(15/18)
CHIME_SCK
XCC_DOWN
J
SIGNAL PATH
REC REC/PB
Drum speed servo
Drum phase servo
Drum servo (speed and phase)
K
Capstan speed servo
Capstan phase servo
Capstan servo (speed and phase)
L
M
16
DRUM/CAPSTAN MOTOR DRIVE
VC-242D (14/18)
5 6 7 8
C411
0.1u
F
R415
XX
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
NC STBY D
2.7 2.6
END OUT RF
1.3 0
END IN IC401 OSC
1.3 0.5
TOP IN SELSLP1
2.7
(RABI)
TOP OUT SELSLP2
5.2 DRUM 0
VM MOTOR DRIVE VS
8.2 DRUM PG. AMP 2.2
VCC2 LOADING CSLP1
2.7 63 0.3
MOTOR DRIVE
RLDO2 CSLP2
REEL FG AMP
0.3
TAPE TOP END DET
RLO2 VCC1
DRUM CAP ERROR AMP
0.3 2.7
RLM2 IC401 BRAKE
0.3
CXA8099ER-TBM DRUM_FWD
RLP2 FRC
2.6
GND FILTER
0.3 2.1
RLP1 66 FC
0.3 65 2.1
RLM1 RSAT
0
RLO1 GND
2.7
RLDO1 FGOUT
1.4
64
R404
68k
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
0.2
C410
0.022u
B
R416
10k
DRUM_FG_SENS
C412
XX C419
R410 B 470p
B FG_PG_COM
2200 R412 0
R405
DRUM_PG_SENS
68k
C408 R435
C409 C413
R411 C416 C420
0.022u 1500
6800p 18k XX 1u 0.1u
B B
B B B
2.7
2.5
Q402
0.5
PB
Q902
TAPE TOP
4-39
9 10 11 12
DRUM_W
DRUM_V
DRUM_U
DRUM_COM
DRUM_FG
DRUM_FG
C421
C423 C424
DRUM_PG
0.1u 0.1u 0.1u
DRUM_PG
B
B B
DRUM_ON
109
DRUM_ON TO(13/18)
DRUM_START
DRUM_START
C422
DRUM_PWM
0.1u
B DRUM_FWD
DRUM_FWD 106 TO(13/18)
1 2012
R421
DRUM_ON 1 2012
R422
R423 1 2012
C427 0.1u B
DRUM_START
R420
XX C428 0.1u B
C429
4700p B
C430 4700p B
C431 0.1u B
C425
0.047u
B
C426
6.3V
3.3u
P
DRUM_FG
DRUM_PG
R424
180
R437
22
R425
12k
M
D901
TAPE LED
M903
LOADING
MOTOR
Q901
TAPE END
13 14 15 16
C440
XX
B
R433
XX
16 15 14 13 12 11 10 9
C437
0.22u
B
1.3
AGC
0.8 IC402
C436
R432
0.1u VS
2.2
B 0.4
WOUT
CAPSTAN MOTOR
P_GND DRIVE
0.4
CAP.FG AMP
UOUT
C434 IC402
R431 0.8
0.1u SC111319FTBEB
2.2 VS
B 0.4
VOUT
C433 R430
P_GND 67 OFFSET_ADJ
0.1u 2.2
B
C432
0.1u
B
25 26 27 28 29 30 31 32
HALL
M902
M901
DRUM CAPSTAN
MOTOR MOTOR
4-40
17 18 19 20
R436
39k
103
FFREW_UP TO(13/18)
R428 100k
72
CFG_DUTY TO(8/18)
R434 3300
EVF_13.5V 148
TO(11/18,18/18)
C438
0.1u
B
11.7
REG_GND
VG
2.7
L402 153
VCC1 TO(18/18)
10uH
2.7
VCC2 D_2.8V
C435
0.47u
NC
R427
B
100k
GND
2.6
FRC CAP_FWD
2.6
PSAVEB
1.3
R429
1M
108 TO(13/18)
R426
100k
CAP_ON
CAP_FG
DRUM_VS
113
TO(18/18)
CAP_VS
CAPSTAN
FG