Sony DCR-TRV350 Service Manual page 13

DCR-TRV345E/TRV350/TRV351/TRV355E/TRV356E
COVER
COVER
For Schematic Diagram
• Refer to page 4-67 for printed wiring board.
• Refer to page 4-85 for waveforms.
1
VC-305 BOARD (9/20)
A
Hi8/Std8 PB AMP(RF 8mm BLOCK,EVR BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
C
D
E
F
G
78
(13/20)
79
H
(13/20)
SIGNAL PATH
I
PB
J
05
VC-305 (9/20)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
2 3 4
R:REC MODE
P:Digital8 PB MODE
C:Hi8/Std8 PB MODE
FB1602
C1602
4.7u
IC1601
EVR
(D/A CONVERTER)
IC1601
BH2222FV-E2
4.7 2.7
A_4.9V(VCC) CLK
4.7 0.1
A_4.9V(VDD2) DI
0.8 0.9
REC_Y/MT_CONT DOC_DET
2.4
REC_L_CONT
2.2 R0/P0/C2.4
MT_F0 RP_IR
XMP/ME 0.1 1.8 AFC_F0_ADJ
XMP/ME AFC_F0_ADJ
R1.4 2 FRQ_TUNE
ACC/RF_CONT FRQ_TUNE
/P1.4
PB_FBDP /C0 0.9 AGC_EVR
PB_FBDP AGC_EVR
1.5M_DEV 1.2 0.5
1.5M_DEV MT_Q
AU_BPF 1.8 0.9 HALL_REF
AU_BPF HALL_REF
1.7M_DEV 0.2 1.1 HALL_GAIN
1.7M_DEV HALL_GAIN
LPF_F0 1.3 0.8 HALL_OFFSET
LPF_F0 HALL_OFFSET
FB1601
2.9 1.5
D_3.2V(VDD1) SWP(SEL)
C1601 0
1u GND STB(LD)
CAM_SO
CAM_SCK
DA_STRB
RF_SWP
VIDEO SIGNAL
VIDEO/AUDIO/
AUDIO
VIDEO/SERVO
SERVO
SIGNAL
CHROMA Y Y/CHROMA
SIGNAL
4-25
VC-305 BOARD SIDE A VC-305 BOARD SIDE A
5 6 7
L3001
10uH
R3001
150k
0.5%
C3001
4.7u
32
4.7
24 23 22 21 20 19 18 17 16 15
25 REC DUMP1
26 GND
27 REC1 OUT
28 PB1 IN
4.7
29 VCC AMP IC3001
30 PB DUMP1
Hi8/Std8 PB AMP
IC3001
31 PB DUMP2
CXA3265R-T4
YLPFOUT/CARDETOUT
32 BIASADJ
33 PB2 IN
34 REC2 OUT
35 GND
36 REC DUMP2
37 38 39 40 41 42 43 44 45 46 47 48
SIGNAL PATH
SIGNAL PB
Ref.signal
VC-305 BOARD SIDE B VC-305 BOARD SIDE B
8 9 10
C3006
0.047u
0
0
14 13 33
RB3001
470k
Q3001
DTC144EMT2L
AGC CONTROL
2.5
DOC_DET C3005
12 Hi8/Std8
4700p
CLPFOUT
11
R0.1/P0.1/P1.5
AGC TC 10
R0/P4.5/C0
RF AGCOUT 9
34
R0.2/P0.3/C2 Hi8/Std8
RP_IR 8
R0/P0/C2.4
DOP 7
0
Y/C/ATF IN 6
5
R0.2/P2.7/C2.7
Y MIX 4
REC_Y/MT_CONT 3
0.8
VCC3 2
4.7
R3005
AFM IN 1 R3004
560k
470k
R3006
220k
AFC_F0_ADJ
HALL_GAIN
HALL_OFFSET
HALL_REF
FRQ_TUNE
1.5M_DEV
1.7M_DEV
AU_BPF
XMP/ME
PB_FBDP
LPF_F0
AGC_EVR
4-26
11 12 13
AU_2.8V
A_4.6V
80
REG_GND
(19/20)
RP_4.6V
A_2.8V
81
Hi8/Std8
PB_RF
(16/20)
82
Hi8/Std8
PB_RF
(20/20)
14
Hi8/Std8
PB_C_RF
(1/20)
AGC_SLOW
83
RP_PB_MODE
(13/20)
RP_POWER_SAVE
RF_ENV_DET
Hi8/Std8
PB_C_RF
Hi8/Std8
RF_AGC_OUT
50
(4/20)
DOP
AFC_F0_ADJ
R3007
10k
R0
/P2.9
/C2.9
4.7
5 4
IC3002
- +
RF ENVELOPE
1 2 3 DETECTOR
IC3002
0.9 R0.2
TA75S393F-TE85R
/P2.6
/C2.5
C3008 C3009
0.01u 0.1u
45
HALL_GAIN
HALL_OFFSET
(3/20)
HALL_REF
3
FRQ_TUNE
(1/20)
1.5M_DEV 84
1.7M_DEV
(16/20)
AU_BPF
Hi8/Std8
DV_PB_RF
XMP/ME
70
PB_FBDP
(7/20)
LPF_F0
AGC_EVR