Sony GV-D200 Service Manual page 23

For Schematic Diagram
• Refer to page 4-7 for VC-250 printed wiring board.
• Refer to page 4-67 for FP-249, FP-355, FP-356 printed wiring boards.
• Refer to page 4-68,69 for waveforms.
2 3 4
1
VC-250 BOARD(12/16)
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
A
-REF.NO.:30000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C
D
114
TO(15/16
MECHA DECK(2/2)
CN4401 8P
(B710 MECHANISM)
FP-220
E
S901
FLEXIBLE
MODE SWITCH
M
M903
LOADING
MOTOR
CN4402 10P
F
PG FG
M901
DRUM MOTOR
G
CN4403 12P
FP-433
FLEXIBLE OFFSET_ADJ
M
H
M902
CAPSTAN MOTOR
DEW SENSOR
I
FP-356
FLEXIBLE Q002
TAPE TOP
CN4404 15P
FP-249
Q001
FLEXIBLE TAPE END S001
TAPE_TOP(C)
HI8
J MP
IN
OUT
H001
S REEL
OUT ME/MP
SENSOR
REC
IN
PROOF
TEPE_END(C)
TAPE_LED(A)
IN
K H002
OUT
T REEL
SENSOR
OUT
SENSOR_VCC
IN
TAPE_LED(K)
C_LOCK_SW
S002 C LOCK
FP-221
FP-355 D001
L
FLEXIBLE FLEXIBLE
TAPE LED
16
5 6 7
R4401 R4402
47k 330k
1
R4408
1
R4409
D_2.8V
R4410 1
R4403 R4404 R4406
100k 100k 100k
C4403
0.1u
COM_GND 1
MODE_SW_A
M-SW(A) 2
MODE_SW_B C4404
M-SW(B) 3
C4405
MODE_SW_C
M-SW(C) 4
C4406
LND001 LM_-
LM(-) 5
C4401
C4424
LM(-) 6 ULD_+
0.1u
LM(+) 7 ULD_-
B
LM_+
LM(+) 8 0.047u
C4407
LND002
C4408
DRUM_PG_SENS
PG 1
3.3u
FG_PG_COM
FG-PG_COM 2
R4412
DRUM_FG_SENS
FG 3 XX
DRUM_COM
COM 4
W 5
DRUM_W
W 6
V 7
DRUM_V
V 8
DRUM_U
U 9
U 10
28
84
TO(10/16,13/16,
FG_OUT 1 CAP_FG
16/16)
R4405 100k
10
2 CEG_DUTY TO(2/16)
STAND_BY 3
CAP_FWD
FRC 4
MT_GND 5
MT_GND 6
VS 7
VS 8
VCC_2 9
VCC_1 10
REG_GND 11
DEW_AD
DEW 12
REG_GND 1
TAPE_TOP_C
2
HI8_MP_SW
HI8_MP 3
S_REEL_-
S_REEL(-) 4
S_REEL_+
S_REEL(+) 5
ME_SW
ME/MP 6
REC_PROOF_SW
REC_PROOF 7
TAPE_END_C
8
9
HALL_COM 10
T_REEL_-
T_REEL(-) 11 C4402
0.1u
T_REEL_+
T_REEL(+) 12 B
R4407
470
13
14
73
15 XCC_DOWN TO(14/16)
4-33
8 9 10 11
C4411
0.1u
B
C4412 C4409
0.1u 0.1u
B B
LM_-
LM_+
DRUM_W
R4422
DRUM_V
XX
R4421
DRUM_U R4420 XX
XX
DRUM_COM
1.3
C4413
0.1u
64 63 62 61 60 59 58 57 56 55 54 53 52
B
2012
2012 DRUM_ON 2.7 27
STBY D
2012 0
RF
0.5
OSC
B DRUM_8PB 0
SELSLP1
DRUM_START 0
SELSLP2
3.3
0.1u B
IC4401
VS
0.022u B
0.3
CSLP1
0.022u B
0.3
LOADING/DRUM MOTOR DRIVE,
CSLP2
0.1u B SENSOR AMP
2.8
VCC1
XDRUM_BRAKE 2.7 IC4401
XBRAKE
R4413
R4415
0
FRC
B XX
3.2
FILTER
6.3V
2.1
FC
TA
2.8
RSAT
GND
DRUM_CONT 24
23
1.4
FGOUT
R4449
XX
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C4415
470p
B
R4417 C4423
10k XX
± 0.5% B
DRUM_FG_SENS
R4419 XX
FG_PG_COM
R4423 0
DRUM_PG_SENS
C4422
C4416 XX
C4418 C4420
0.1u B
470p 1u
R4424
B B
B
*
*MARKED:MOUNT TABLE
GV-D200/D800
R4414
R4424 15k
270
R4411
Q4401 R4427 0
82
2SC4738F-Y/GR(TPL3)
2012
LED DRIVE R4431 15k
4.0 R4416
4700
0
C4414
C4410
220p
0.1u
B
B
12 13 14 15
R4446
R4444
R4443
R4445
R4428 R4429
1
1
R4434 R4442
0
10k
R4435
10k
51 50 49
C4433
0.001u
B
C4428 C4434
0.001u
NC 0.047u
B
2.8 B
END OUT
TAPE_END_C
1.3
END IN
TAPE_TOP_C
1.3
TOP IN
R0/
C4429 0.047u
P2.8 B
TOP OUT
4.9 C4430
VM 2.2u
8.2 F
VCC2
TREEL_FG
1.4 C4431 0.1u B
26 RLDO2
1.5
RLO2
T_REEL_-
1.2
RLM2
T_REEL_+
1.2
RLP2
GND
S_REEL_+
1.2
RLP1
1.2 S_REEL_-
RLM1
1.4
25 RLO1
1.4 SREEL_FG
RLDO1
R4432
47k
R4436
4700
R4437 0
C4425 R4438 0
0.022u
B
R4431
R4430 C4432
R4441
0.01u
470k
R4427 XX
B
*
1.1
R4439 R4440
0
XX XX
C4427
C4426
0.01u
0.01u
B B Q4403
XX
Q4402
RN1104F(TPL3)
SIGNAL PATH
Drum speed servo
GV-D200E/D800E
47k Drum phase servo
10k
Drum servo (speed and phase)
47k
Capstan speed servo
Capstan servo (speed and phase)
4-34
GV-D200/D200E/D800/D800E
16 17 18
0
MT_5V 70
TO(11/16,15/16)
0
VTR_UNREG
57 TO(9/16)
0
CAP_VS
CAP_ERROR
DRUM_ERROR
0
DRUM_VS
62
TO(15/16)
MT_GND
MA3XD21001S0
D4401
REG_GND
114
TO(15/16)
D_2.8V
LM_LIM_ON
LM_LIM_ON
LM_LIM_DET
LM_LIM_DET
SREEL_FG
SREEL_FG
TREEL_FG
59
TO(13/16)
TREEL_FG
REC_PROOF_SW
REC_PROOF_SW
XREEL_HALL_ON
XREEL_HALL_ON
XDRUM_BRAKE
XDRUM_BRAKE
ME_SW
ME_SW
HI8_MP_SW
HI8_MP_SW
TREEL_AFG
C4435
470p
60
TO(10/16)
C4436
470p
SREEL_AFG
UNLOAD
UNLOAD
LOAD
LOAD
TAPE_END
TAPE_TOP
TAPE_LED_ON
TAPE_LED_ON
CAP_ON
CAP_ON
CAP_FWD
CAP_FWD
CAP_PWM
61
TO(10/16,13/16)
DRUM_PWM
DRUM_FG
DRUM_FG
DRUM_PG
DRUM_PG
DRUM_ON
DRUM_ON
DRUM_START
DRUM_START
MODE_SW_A
MODE_SW_A
MODE_SW_B
MODE_SW_B
MODE_SW_C
MODE_SW_C
DRUM_CONT
DRUM_CONT
DEW_AD
DEW_AD
DRUM_8PB
DRUM_8PB
T_REEL_-
R4447 33k
T_REEL_EVR
S_REEL_-
R4448 33k 4
TO(1/16)
S_REEL_EVR
REC REC/PB PB
DRUM/CAPSTAN MOTOR DRIVE
VC-250 (12/16)