Sony DCR-TRV350 Service Manual page 11

DCR-TRV345E/TRV350/TRV351/TRV355E/TRV356E
COVER
COVER
For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
• Refer to page 4-84, 4-85 for waveforms.
VC-305 BOARD (7/20)
A
REC/PB AMP
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
C
D
E
F
G
H
I
J
K
05
VC-305 (7/20)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
1 2 3 4
R:REC MODE
P:Digital8 PB MODE
C:Hi8/Std8 PB MODE
RP_4.6V
RP_6.0V
L3202
69 10uH
RP_2.8V
(19/20) L3201
10uH
C3203
C3201
10u
16V
REG_GND
XFE_ON
XME/MP
XMP/ME
PB_FBDP
AGC_EVR
70
LPF_F0
(9/20)
Hi8/Std8
DV_PB_RF
71
C3230
RF_MON
(20/20)
C3202
0.01u
RF_IN
RECA1
67 RECA1
RECA2
RECA2
RECCK
(6/20)
RECCK
RECDT
C3206
RECDT
0.01u
16V
72
DRUM_8PB
DRUM_8PB
(13/20)
XFE_ON
XFE_ON
XME/MP
XME/MP
SW_PS
SW_PS
73
(13/20)
ALL_PS
RF_SWP
SIGNAL PATH
VIDEO SIGNAL VIDEO/AUDIO/
AUDIO
SERVO
SIGNAL SIGNAL
Y/CHROMA SIGNAL PATH
REC
PB Ref.signal
4-21
VC-305 BOARD SIDE A VC-305 BOARD SIDE A
5 6 7
L3204
12uH
L3203
220uH
R3220
33k
R2.1/P4.7/C4.7
R3.7
6 3
/P4.7
/C4.7
2 5
10u R1.4/P2.4
/C2.4
16V R1.2 1 4
/P2.9 C3218
/C2.9
100p
R3.6/P4.7/C4.7
Q3202
HN1B04FE-Y/GR(TPLR3)
Q3202,3204,3205
ERASE HEAD OSC
C3211
0.01u
C3212
C3217
6800p
0.01u
2.2
24 23 22 21 20 19 18 17 16 15 14 13
27
R4.6/P2.7/C2.7
25 PB_X_OUT GND 12
26 GND D1O 11
CL3201
R4.5/P2.7/C2.7 R3.3/P1.7/C1.7
27 PB_Y_OUT XO 10
2.6
YO
28 PB_RF_IN 31 9
C3229
0.01u 4.7
29 VCC_PB_4.6V D2O 8
0.01u
IC3201
30 TEST_OUT GND 7
R2.9/P1.3/C0
31 GND GND 6
REC/PB AMP
C3208 0.47u R3.2/P2.1/C2.2
IC3201
32 AGCTC_Ech D2E 5
C3205 0.47u CXA3619R-T4
R3.2/P2.1/C2.2
33 AGCTC_Och YE 4
0.9
34 AGC_EVR XE 3
R1.1/P2.2/C2.2 R3.7/P1.7/C1.6
30
35 PB_RF_OUT D1E 2
36 LPF_f0 29 GND 1
1.3
28
37 38 39 40 41 42 43 44 45 46 47 48
R2.9/P0/C0
R0
R3245
/P0
10k
/C0.6
C3215
C3224
0.01u
0.01u
REC REC/PB PB
VC-305 BOARD SIDE B VC-305 BOARD SIDE B
8 9 10 11
C3222 R3230
C3220 R3225 R3227
100p 270 2200 XX 56
4.7 C3223
Q3204
0.1u
4.1 2SA2029T2LQ/R
R3226 R4.3
4.7
/P4.7
220 R3229
/C4.7
100 R4.1/P4.7/C4.7
Q3205
C3221
0
2SA1965-S-TL
150p
R3228 R3231
4700 560
R3.6/P1.7/C1.7
R3221 220 0.5%
R3.4/P1.7/C1.7
R3.5/P1.7/C1.7
R3222 220 0.5%
R3.5/P1.7/C1.7
R3223 220 0.5%
R3.4/P1.7/C1.7
R3.3/P1.7/C1.7
R3224 220
0.5%
Q3206-3209
Hi8/Std8 PB ON SWITCH
Q3208
HN1C01FE-Y/GR(TPLR3)
R-1.4/P-1.6/C0.7
5
C3225
220p
R4.7/P4.7/C0 4 3 0.1
2
R-1.7
RB3202
/P-1.6 1 6
4.7k 0.1
/C4.7 C3226
1 6
220p
2
R-1.8/P-1.7/C0.7
4.7
4 5
3
C3227
R1.9
220p
R4.7 /P-1.6
4 3 0.1
/P4.7 /C4.7
5
/C0
Q3207
6
UP04111008S0 1
0.1
C3228
220p
2
R-1.8/P-1.7/C0.7
Q3206
2SC5658T2LQ/R Q3209
HN1C01FE-Y/GR(TPLR3)
4-22
12 13 14
M2000
MECHANISM
DECK(1/2)
11P
CN3201
11 FE(X)
FLYING
ERA
10 FE(Y)
9 GND
8 YEVEN(SP2Y)
EVEN
7 XEVEN(SP2X)
6 GND
5 YODD(SP1Y)
ODD
4 XODD(SP1X)
3 GND
2 GND
VIDEO HEAD
1 GND