Sony Handycam CCD-TRV107 Service Manual page 85

For Schematic Diagram
• Refer to page 4-31 for printed wiring board.
• Refer to page 4-62 for waveforms.
2 3
1
VC-272 BOARD(6/12)
SERVO(SE BLOCK)
NO MARK:REC/PB MODE
A
R :REC MODE
XX MARK:NO MOUNT
P :PB MODE
24
TO(9/12) CFG_DUTY
26
TO(11/12) CAP_FG
CAP_ON
CAP_FWD
CAP_FG
B
DRUM_FG
DRUM_PG
DRUM_ON
DRUM_START
27
TO(7/12)
DRUM_BRAKE
MSW_C
MSW_B
C
MSW_A
MECHANISM
HI8_MP_SW
BLOCK
XREC_PROF_SW
(M2100)(2/2)
ME_SW
CN704 2P
LM(-) 1
M
LM(+) 2
M903
LOADING
CN706 10P
D
MOTOR
PG 1
FG/PG FG-PG_COM 2
FG 3
COM 4
W 5
W 6
M
V 7
V 8
E
M901
U 9
DRUM
MOTOR
U 10
CN707 22P
VH- 1
HW2
HW2 2
HW1
HW1 3
HV2
HV2 4
F
HV1
HV1 5
HU2
HU2 6
HU1
HU1 7
VH+ 8
Coil_V 9
Coil_V 10
(PAGE 4-30)
Coil_W 11
Coil_W 12
G
Coil_U 13
Coil_U 14
GND(COM) 15
Vo1 16
VCC 17
Vo2 18
C 19
B 20
H
A 21
DEW 22
I
R452
330k
DEW_AD
25
TO(8/12)
R451
XCC_DOWN
47k
J
CN712 15P
C_LOCK_SW 1
HI8_MP 2
REC_PROOF 3
ME/MP 4
HALL_COM 5
T_REEL(-) 6
T_REEL(+) 7
R457
K
470
(PAGE 4-30) SENSOR_VCC 8
S_REEL(+) 9
S_REEL(-) 10
REG_GND 11
TAPE_LED(A) 12
TAPE_LED(K) 13
TEPE_END(C) 14
TAPE_TOP(C) 15
L
16
4 5 6 7
* : Cannot be measured.
DRUM_W
DRUM_V
DRUM_U
C461
C459 C462
0.1u 0.1u 0.1u
B B B
CAP_ON
CAP_FWD
CAP_FG
DRUM_COM
DRUM_FG
DRUM_PG
C463
DRUM_ON
RB451 0.1u B
100kx4
DRUM_START
DRUM_BRAKE
R458
MSW_C
1
R459
MSW_B DRUM_ON
1
R460
MSW_A 1
HI8_MP_SW
XREC_PROF_SW
C453
0.1u B
ME_SW
DRUM_START
C454
0.1u
B
C455
LM_- 0.022u B
C456
0.022u B
C492
C451
0.1u
0.1u B
B
LM_+
DRUM_BRAKE
DRUM_PG_SENS
C485
C457
FG_PG_COM XX 0.047u
B
DRUM_FG_SENS
DRUM_COM
C458
4.7u
35V
DRUM_W
DRUM_FG
DRUM_PG
DRUM_V
CAP_ON
DRUM_U
DRUM_FG_SENS
FG_PG_COM
DRUM_PG_SENS
CAP_FWD
CAP_ON
CAP_FG
MSW_C
MSW_B
MSW_A
IC452
CAPSTAN MOTOR
DRIVE
HI8_MP_SW
XREC_PROF_SW
ME_SW
T_REEL_-
T_REEL_+
S_REEL_+
S_REEL_-
TAPE_END_C
TAPE_TOP_C
4-45
8 9 10 11
R468
3300
C469 C471
2200p 2200p
C467
2200p
R472
1
R471
1
R469
82k
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
2.8
STBY D N.C.
0
RF 39 END OUT
R0/P0.4
OSC END IN
2.8
SELSLP1 TOP IN
0 IC451
SELSLP2 TOP OUT
1.8
VS VM
DRUM/LOADING MOTOR
0.3
CSLP1 DRIVE,REEL FG VCC2
DRUM FG/PG
0.3
WAVE SHAPER
CSLP2 RLDO2
2.8
VCC1 RLO2
IC451
2.8
CXA8096R
BRAKE RLM2
2.8
FRC RLP2
1.8
FILTER GND
2.1
37
FC RLP1
36
2.8 38
RSAT RLM1
GND RLO1
1.4
FGOUT RLDO1
35
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
C475
C473
C465 0.022u B
XX
4700p
R470
R466 0 0
C466 C470 C476
C468 C472 R467
0.1u 1u 0.01u
470p XX 15k
B B
B
R461
180
R482
1M
24 23 22 21 20 19 18 17 16 15 14 13
R462 R464
150 470
Q451
2SC4738F-Y
4.5 SWITCH
C452 C460
0.1u
0.1u
B
B
1 2 3 4 5 6 7 8 9 10 11 12
C488
R483
0.1u C486
39k
B 0.47u
F
C487 C489
2.2
R484
0.1u B 0.1u B
C490
R485 2.2
0.1u B
C491
2.2
R486
0.1u B
CCD-TRV107/TRV108/TRV308/TRV408/TRV608
12 13 14 15
DRUM_VS
MT_4.75V
VTR_UNREG
DRUM_ERROR
DRUM_ERROR
CAP_ERROR
CAP_ERROR
CAP_VS
CAP_VS
D_2.8V
REG_GND
RB452
10kx4
C481
0.001u
B
UNLOAD
UNLOAD
LOAD
LOAD
XLM_LIM_ON
XLM_LIM_ON
C482
C477 0.001u LM_LIM_CONT
LM_LIM_CONT
0.047u B
2.8 B
TAPE_END
1.3 TAPE_END_C
1.3 TAPE_TOP_C
C478
2.8
0.047u B
TAPE_TOP
C479
4.8
2.2u F
8.3
C480 TAPE_LED_ON
0.1u TAPE_LED_ON
B
1.9
TREEL_FG
2.1
T_REEL_-
2.1 C483
T_REEL_+
470p
2.1
S_REEL_+
C484
470p
2.1 S_REEL_-
1.9
SREEL_FG
XREEL_HALL_ON
XREEL_HALL_ON
R474 R481
47k
4700
DRUM_ERROR
DRUM_PWM
CAP_ERROR
CAP_PWM
R480
15k
REG_GND
(MT_GND)
XREEL_HALL_ON
SIGNAL PATH
0 TAPE_LED_ON
R465
C464
4700
220p
Drum speed servo
Drum phase servo
Drum servo (speed and phase)
Capstan speed servo
Capstan phase servo
Capstan servo (speed and phase)
CAP_VS
4-46
16 17
41
TO(10/12)
28
TO(7/12)
35
TO(3/12)
REC REC/PB PB
SERVO
VC-272 (6/12)