Sony DCR-TRV360 Service Manual page 20

DCR-TRV360/TRV361/TRV460/TRV460E/TRV461E
For Schematic Diagram
• Refer to page 4-59 for printed wiring board.
1 2 3
VC-345 BOARD (15/18)
A
SERVO (MD DRIVE BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
MODE_SW_A
CP:Digital 8 PB MODE
MODE_SW_B
∗ :IMPOSSIBLE TO MEASURE THE
MODE_SW_C
VOLTAGE AT THE MARKED POINTS.
DEW_AD
B
132
(14/18)
HI8_MP_SW
M2000/M2200 ME_SW
C XREEL_HALL_ON
MECHANISM
DECK (2/2)
96
REC_PROOF
M2000: TRV460/TRV460E/TRV461E
M2200: TRV360/TRV361
(11/18)
CN2401 2P
M
C2401
M903
LM(-) 1
0.1u
LOADING
D
MOTOR
LM(+) 2
C2450
XX
CN2402 10P
PG 1
FG-PG_COM 2
FP/PG
FG 3
COM 4
W 5
E
W 6
V 7
M901
DRUM V 8
MOTOR
U 9
U 10
125
(13/18) XCC_DOWN
F
CN2403 22P
VH- 1
HW2 2
HW1 3
HV2 4
HV1 5
HU2 6
G HU1 7
VH+ 8
CAP_V 9
MECHANISM
CAP_V 10
BLOCK
CAP_W 11
(CAPSTAN MOTOR)
PAGE 4-49 CAP_W 12
of LEVEL2
CAP_U 13
CAP_U 14
H REG_GND 15
FG2 16
FG VCC 17
FG1 18
M-SW(C) 19
M-SW(B) 20
M-SW(A) 21
DEW 22
I
CN2404 15P
C_LOCK_SW 15
HI8_MP 14
REC_PROOF 13
ME/MP 12
HALL_COM 11
T_REEL(-) 10
MECHANISM
T_REEL(+) 9
BLOCK
J R2403 470
(SENSOR) SENSOR_VCC 8
PAGE 4-49
S_REEL(+) 7
of LEVEL2
S_REEL(-) 6
REG_GND 5
TAPE_LED(A) 4
TAPE_LED(K) 3
TEPE_END(C) 2
TAPE_TOP(C) 1
K
05
VC-345 (15/18)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
4 5 6 7
EP_13.5V
D_2.8V
REG_GND
(MT-GND)
R2440 XX
VTR_UNREG
145
R2441 XX
MODE_SW_A MT_5V
R2437 XX
(17/18)
MODE_SW_B DRUM_VS
CAP_VS
MODE_SW_C
DEW_AD REG_GND
R2402
330k
R2401
47k
FB2401
CAP_W
CAP_V
CAP_U
HI8_MP_SW
ME_SW
CAP_ON
R2404
270
REC_PROOF
LM_-
C2402
C2403
0.1u
0.001u
50V
LM_+
C2449
XX CAP_FWD
DRUM_PG_SENS
MR_VCC
FG_PG_COM
CAP_FG
DRUM_FG_SENS
DRUM_COM
R2405
XX
FG1
DRUM_W
FG2
DRUM_V
UHE+
UHE-
DRUM_U
VHE+
VHE-
XCC_DOWN
WHE+
WHE-
WHE-
HE_VCC
WHE+
TAPE_TOP
VHE-
TAPE_TOP_C
VHE+
TAPE_END_C
UHE-
UHE+
C2407
0.047u
HE_VCC 10V
CAP_V
TAPE_END
CAP_W
S_REEL_+
CAP_U S_REEL_-
SREEL_FG
FG2 T_REEL_+
MR_VCC T_REEL_-
FG1 TREEL_FG
MODE_SW_C
MODE_SW_B
MODE_SW_A
DEW_AD
rf
IC2401 eg REC/PB
XCC_DOWN
HI8_MP_SW
REC_PROOF
ME_SW
T_REEL_-
DRUM_FG
T_REEL_+
DRUM_PG
TAPE_TOP
S_REEL_+
TAPE_END
S_REEL_-
SREEL_FG
TREEL_FG
CAP_FWD
R2434
CAP_FG
82
TAPE_END_C
CAP_ON
TAPE_TOP_C
4.6 1
0.1
Q2401
DTC143TMT2L 2
R2431
C2441 C2442
LED DRIVE XX
3 XX 0.1u
4-37
VC-345 BOARD SIDE A VC-345 BOARD SIDE A
8 9 10 11
ek
ek IC2401 4 PB (Hi8/Std8)
IC2401 4 REC/PB (Digital8)
2.8 Vp-p
NTSC: 820 Hz
1.64 kHz
PAL: 1148 Hz
C2413
C2422 C2423
0.1u
1u 0.1u
R2438
XX
2.8 5.1
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64
ra IC2401 t; REC/PB (Digital8)
2.8
1 C_FRC
TEST
2
2.8
3 VMR
1.4
4 CFGOUT
13.3 msec
5 C_PGND
6 GND
∗
7 CFGIN+
ra
IC2401 t; PB (Hi8/Std8)
∗
8 CFGIN-
0.3
CAGC
9
0.6
10 U+
0.6
11 U-
NTSC: 33.3 msec
0.4
12 V+
PAL: 40 msec
0.4
13 V-
0.1
14 W+
IC2401
0.1
15 W-
2.8
16 VCC1 DRUM/CAPSTAN/LOADING
0.7 MOTOR DRIVE
17 VH
IC2401
1.3
TB6550FG(O,EB)
18 TOPIN
0/CP2.8
19 TOPOUT
1.3
20 ENDIN
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
2.8 1.2 ∗ 1.1 ∗ 0 0
C2415 0.01u
C2418 0.01u
2.9 Vp-p
13.5 MHz
DRUM_FG
DRUM_PG
rs
IC2401 rf REC/PB
TAPE_TOP
TAPE_END
131 100 mVp-p
SREEL_FG
TREEL_FG (14/18)
CAP_FWD
13 sec
CAP_FG
CAP_ON
TAPE_LED_ON
146
(18/18)
CAP_FG
VC-345 BOARD SIDE B VC-345 BOARD SIDE B
12 13 14
2.8 Vp-p
C2428 C2433 C2438
0.1u 0.1u 0.1u
LM_-
LM_+
DRUM_W
DRUM_V
DRUM_U
1.8/CP0.8
63 62 61
C2434
0.001u
C2439
0.001u
C2431
0.001u
D_PGND 60
0 DRUM_COM
2.8 Vp-p COM
59
1.8/CP0.8
WIN
58
1.8/CP0.8
VIN 57
1.8/CP0.8
UIN
56
1.8/CP0.8
DFILTER 55
0.9
C2435
R2428
DFC 54
0.047u
10k DRUM_FG
2.1
DFGOUT
53
XX
1.3 R2433 DRUM_FG_SENS
DFGIN 52
2.8 Vp-p
1.3 FG_PG_COM
VREF 51
R2443 XX C2436 DRUM_PG
0.1 470p
PGOUT 50
1.3 DRUM_PG_SENS
PGIN 49
0.8 R2444 XX
PGC 48
R2435 XX
C2430 1u
13.4
VG
47
0.1
C2440
ISNF 46
0.1u
1.2/CP0.6
DBOUT 45
1.2/CP0.6 C2437
DBIN
44 0.1u
0.4
CBLOUT 43
0.4
CBOUT
42
0.4
CBIN
41
R2439 XX
R2442 XX
0.6
R2424
0
R2418 R2436
10k 15k
1.2
1
0
2
Q2402
DTC144EMT2L
3
DRUM Hi8/Std8
MODE SWITCH
C2425
C2412
XX 0.01u
SIGNAL PATH
rd
IC2401 ra REC/PB
45 mVp-p
Drum speed servo
Drum phase servo
13 sec
Drum servo(speed and phase)
Capstan speed servo
Capstan servo(speed and phase)
4-38
15 16 17
el IC2401 yd,yg,yk REC/PB (Digital8)
3.3 Vp-p
450 Hz
el
IC2401 yd,yg,yk PB (Hi8/Std8)
1.4 Vp-p
NTSC: 180 Hz
PAL: 150 Hz
r;
IC2401 td REC/PB (Digital8)
2.8 Vp-p
450 Hz
r;
IC2401 td PB (Hi8/Std8)
2.8 Vp-p
NTSC: 180 Hz
PAL: 150 Hz
129
UNLOAD
LOAD (14/18)
147
DRUM_ERROR
CAP_ERROR
(17/18)
DRUM_PWM
CAP_PWM
130
DRUM_8PB
(14/18)
C2411
0.01u
LM_LIM_DET
XCS_IC_2401
141
VSP_SO
XVSP_SCK (14/18)
36
(2/18)
SPCK
144
XRST_VTR (14/18)
REC REC/PB PB