Sony CCD-TR317E Service Manual page 78

CCD-TR317E/TR417E/TR427E/TR617E/TR717E/TR918E/
TRV37E/TRV47E/TRV48E/TRV57E/TRV67E/TRV87E
For Schematic Diagram
• Refer to page 4-35 for printed wiring board.
• Refer to page 4-89 for waveforms.
• Refer to page 4-23 for FP-249, FP-356, FP-355 flexible board.
1 2 3
VC-234 BOARD(10/13)
A
SERVO (SB BLOCK)
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C B201 MECHA DECK
S901
MODE SWITCH
FP-220
FLEXIBLE
D
E
M901
DRUM MOTOR
F
CAPSTAN FG
W
M902
M
V
CAPSTAN
U
MOTOR
G
H
Q001
TAPE TOP
DETECT
Q002
S001
TAPE END
I DETECT
Hi8MP
ME/MP
FP-356 REC PROOF
FLEXIBLE
D001
TAPE
LED
FP-355
FLEXIBLE
J
FP-249 4 2 4
H001
FLEXIBLE OUT- OUT+ OUT-
S REEL
IN+ IN- IN+
DETECT
1 3 1
K
16
SERVO
VC-234 (10/13)
4 5 6 7
CFG_DUTY
56 TO(8/13) CFG_DUTY
DEW_AD
57 TO(11/13) DEW_AD
CAP_ON
CAP_ON
CAP_FWD
CAP_FWD
CAP_FG
CAP_FG
DRUM_FG
DRUM_FG
DRUM_PG
DRUM_PG
R403 R404
100k
DRUM_ON R402 100k
330k
DRUM_ON
DRUM_START
54 TO(9/13) DRUM_START
R401
47k
MSW_C
MSW_B
MSW_A
CN974 8P
1 COM_GND COM_GND 1
A
2 M-SW(A) M-SW(A) 2
B
3 M-SW(B) M-SW(B) 3
COM C
4 M-SW(C) M-SW(C) 4
5 LM(-) LM(-) 5
M903 6 LM(-) LM(-) 6
M
LOADING
7 LM(+) LM(+) 7
MOTOR
+
8 LM(+) LM(+) 8
CN976 10P
DRUM_PG_SENS
1 PG PG 1
PG
FG-PG_COM FG-PG_COM
2 2
DRUM_FG_SENS
FG
3 FG FG 3
4 COM COM 4
W 5 W W 5
6 W W 6
M V 7 V V 7
8 V V 8
U U
U 9 9
10 U U 10
CN978 12P
1 FG_OUT FG_OUT 1
R405 100k
2 OFFSET_ADJ OFFSET_ADJ 2
CAP ON
3 STAND_BY STAND_BY 3
FRC
4 FRC FRC 4
5 MT_GND MT_GND 5
6 MT_GND MT_GND 6
CAP VS
7 VS VS 7
8 VS VS 8
9 VCC_2 VCC_2 9
10 VCC_1 VCC_1 10
11 REG_GND REG_GND 11
DEW
SENSOR
12 DEW DEW 12
CN979 15P
1 REG_GND REG_GND 1
2 TAPE_TOP(C) TAPE_TOP(C) 2
3 HI8_MP HI8_MP 3
4 S_REEL(-) S_REEL(-) 4
5 S_REEL(+) S_REEL(+) 5
6 ME/MP ME/MP 6
7 REC_PROOF REC_PROOF 7
8 TEPE_END(C) TEPE_END(C) 8
9 TAPE_LED(A) TAPE_LED(A) 9
10 HALL_COM HALL_COM 10
11 T_REEL(-) T_REEL(-) 11
12 T_REEL(+) T_REEL(+) 12
13 SENSOR_VCC SENSOR_VCC 13
14 TAPE_LED(K) TAPE_LED(K) 14
15 C_LOCK_SW C_LOCK_SW 15
S002
CC LOCK
2
H002
OUT+
T REEL
IN-
DETECT
3
4-27
8 9 10
DRUM_W
DRUM_V
DRUM_U
DRUM_COM
C411
C409
C412
0.1u
0.1u
0.1u
B B
B
C413
0.1u
R406
B
100k
R408
2012
1
R409
2012
1
DRUM_ON 2.8
R410
STBY D
2012
0
1
RF
C403 0.1u B 0.5
OSC
2.8
SELSLP1
DRUM_START 0
C404
SELSLP2
0.1u
1.5
B
VS
0.3
C405
LM_- CSLP1
0.022u
0.3
B
CSLP2
0.022u B
C406
2.8
C401
LM_+ VCC1
0.1u
2.8
B R413
BRAKE
C407 0
2.8
0.047u
FRC
1608 B
1.4
FILTER
C408
2.1
4.7u
FC
6.3V
2.8
TA A
FG_PG_COM
RSAT
R412 XX
GND
DRUM_FG 1.4
DRUM_COM FGOUT
DRUM_PG
DRUM_W
CAP_ON 47
DRUM_V
DRUM_U
C415
4700p
CAP_FG DRUM_FG_SENS B
FG_PG_COM
CFG_DUTY
CAP_ON
DRUM_PG_SENS
CAP_FWD
C416
0.1u
DEW_AD
TAPE_TOP_C
4.2
HI8_MP_SW R416
4700
S_REEL_-
S_REEL_+
0
ME_SW R411
R414
82
470
XREC_PROF_SW 2012
TAPE_END_C
T_REEL_- C402
C410 C414
0.1u
0.1u 220p
T_REEL_+
B B
B
R407 470 1608
Q401
TAPE LED
XCC_DOWN DRIVE
11 12 13 14
C424
R429
R428
C419 C421 0.1u
2012 2012
2200p 2200p F
1 1
B B
C417
2200p
B
R434
10k
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
C428
NC 0.047u
R2.8/P0
B
END OUT
45
1.3
END IN
1.3
TOP IN
R0/P0.4
TOP OUT
C430
4.9
VM
IC401
R8.1/P8.3
VCC2
C429
0.047u
RLDO2
DRUM DRIVE 1.3-1.8 B
LD DRIVE
RLO2
REEL FG 2.1
DRUM FG/PG
RLM2
WAVE SHAPER 2.1
RLP2
IC401
GND
2.1
RLP1
2.1
RLM1
1.3-1.8
RLO1
46 48 49
RLDO1
R432
47k
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
0.2
C425
R433
0.022u
0
B
C423 R431
0.022u 0
B
R427
10k
R423
C418 C420 C427
R430 R417 R419
R424
1u C422 10k 0.01u
470p 47k XX
47k XX
4700p B
B B B
B
2012
SIGNAL PATH
REC REC/PB
Drum speed servo
Drum phase servo
Drum servo (speed and phase)
Capstan speed servo
Capstan phase servo
Capstan servo (speed and phase)
4-28
15 16 17
VTR_UNREG
MT_4.75V
MT_GND
90 TO(13/13)
D_2.8V
R435
10k REG_GND
C433
0.001u
B
UNLOAD
UNLOAD
LOAD
LOAD
LM_LIM_ON
LM_LIM_ON
LM_LIM_DET
C434
LM_LIM_DET
0.001u
B
TAPE_END
TAPE_END_C
TAPE_TOP_C
TAPE_TOP
2.2u F
TAPE_LED_ON
TAPE_LED_ON
C431
0.1u
B
TREEL_FG
T_REEL_-
C435
T_REEL_+
470p
CH
S_REEL_+
53 TO(9/13)
C436
470p
S_REEL_-
CH
SREEL_FG
XREEL_HALL_ON
XREEL_HALL_ON
R436
4700
DRUM_PWM
HI8_MP_SW
HI8_MP_SW
XREC_PROF_SW
XREC_PROF_SW
CAP_PWM
ME_SW
ME_SW
XCC_DOWN
XCC_DOWN 58 TO(11/13)
DRUM_ERROR
CAP_ERROR
CAP_VS
55 TO(13/13)
DRUM_VS
MT_GND
PB