Sony DCR-TRV255E Service Manual page 32

For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
1 2 3
VC-344 BOARD (4/10)
A
REC/PB AMP (RF BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
RP_4.6V
B
30
RP_6.0V
RP_2.8V
(9/10)
L3201
10uH
C3201
4.7u
REG_GND
C
D
qk
IC3201 eg PB
E
540 mVp-p
13.3 msec
31
F
RF_MON
(10/10)
RFIN
RECA1
C3202
RECA1
0.01u
23
RECA2
RECA2
G
RECCK
(2/10) RECCK
RECDT
RECDT
H
XFE_ON
XFE_ON
XME/MP
XME/MP
SW_PS
SW_PS
32
(6/10)
I
RF_SWP
ALL_PS
05
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
4 5 6
L3203
220uH
R3220
33k
RB3201
22k
R2/P4.7
L3202
10uH
6
3
R1.4/P2.4 2 5
C3203
R3.8
4.7u Q3202
/P4.7
1 4
UP04601008S0
R3.6
R1.2/P2.8
/P4.8
XME/MP
R3233
10k
C3211
0.01u
C3212
6800p
24 23 22 21 20 19 18
C3204
25 PB_X_OUT
0.01u
26 GND
R4.7/P2.7
27 PB_Y_OUT
C3210
0.01u
28 PB_RF_IN
R1.8/P2.6
29 VCC_PB_4.6V
IC3201
4.8
30 TEST_OUT
R1.8/P0.9
REC/PB AMP
31 GND
IC3201
C3208 0.47u
CXA3619R-T4
32 AGCTC_Ech
C3205
R3.5/P2.1
0.47u
R3235
33 AGCTC_Och
22k
R3.5/P2.1
34 AGC_EVR (1.04V)
R3234 12k
1
35 PB_RF_OUT
R0.4/P0
36 LPF_f0 (1.35V)
R3236 1.3
R3237
XX
XX
C3206
0.01u
16V
37 38 39 40 41 42 43 44 45 46 47 48
ql
IC3201 ek REC/PB
2.8 Vp-p
13.3 msec
C3215
0.01u
4-15
VC-344 BOARD SIDE A VC-344 BOARD SIDE A VC-344 BOARD SIDE B VC-344 BOARD SIDE B
7 8
C3220
100p
RB3202 Q3204
2SA207800LS0
2200
4.7
C3222
L3204 R3225 XX R3230
12uH 56
270
4 C3223
R4.4 0.1u
C3219 R3226
/P4.7
4.6
82p 220
R3229
100
R4.1/P4.7
C3221
0
Q3205
150p
2SA1965-S-TL
C3218
100p R3231
Q3202,3204,3205
560
FLYING ERACE
OSC
Q3203
2.8 UNR32A300LS0
SWITCH
0.1
C3217
0.01u
17 16 15 14 13
GND 12
R2/P1.7
D1O 11
R2/P1.7 R3221 220 ± 0.5%
XO 10
R2/P1.7
YO 9
R2/P1.7
D2O 8
R3222 220 ± 0.5%
GND 7
GND 6
R2/P1.7
D2E 5
R2/P1.7 R3223 220 ± 0.5%
YE 4
R2/P1.7
XE 3
R2/P1.7
D1E 2
±
R3224 220 0.5%
GND 1
w;
IC3201 rf REC
1.0 Vp-p
41.85 MHz
DCR-TRV255E/TRV260/TRV265/TRV265E
9 10 11
SIGNAL PATH
VIDEO SIGNAL
VIDEO/AUDIO/
AUDIO
SERVO
SIGNAL
Y/CHROMA SIGNAL
REC
PB
REC
Ref.signal
wa
IC3201 3,4,9,q; REC
4.7 Vp-p
13.3 msec
CN3201 11P
11 FE(X)
10 FE(Y)
9 GND
8 XEVEN(SP2X)
7 YEVEN(SP2Y)
6 GND
5 YODD(SP1Y)
4 XODD(SP1X)
3 GND
2 GND
1 GND
4-16
12 13
REC/PB PB
M2200
MECHANISM
DECK (1/2)
FLYNG
ERASE
CH
SP2
CH
SP1
VC-344 (4/10)