A/D Converter, Rec/Pb Amp) Schematic Diagram - Sony DCR-TRV820 Service Manual

VC-235 (A/D CONVERTER, REC/PB AMP) SCHEMATIC DIAGRAM • See page 4-11 for VC-235 printed wiring board. • See page 4-104 for waveforms.
1 2 3 4
VC-235 BOARD (8/16)
A
A/D CONVERTER,REC/PB AMP (RFD BLOCK)
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:Digital8 PB MODE
C:Hi8/Std8 PB MODE
B
RP_4.75V
RP_6.0V
55
VC-235 BOARD (16/16)
A_2.8V
C REG_GND
49
VC-235 BOARD (7/16) RF_1.9V
R3146
0
C3101
6.3V
XX
D
SW_PS
SW_PS
ALL_PS
ALL_PS
C3103
RECA1
XX
RECA1
RECA2
RECA2
R0.7/P2.6/C2.6
RECCK
RECCK
E
RECDT 1.9
RECDT
Q3102
2SA1832F-Y/GR(TPL3)
PLLSW
LIMITTER
PLLSW
PLLMSK
PLLMSK
44
VC-235 BOARD (6/16)
C3102
F 0.01u
PBCK
ADDT0
ADDT1
ADDT2
ADDT3
G
ADDT4
ADDT5
XDRP_SCK
DRP_SO
H
XMP/ME
56
VC-235 BOARD (14/16) XMP/ME
DRP_SO
DRP_SO
XDRP_SCK
XDRP_SCK
XCS_TRF
XCS_TRF
REC_CRRT0
REC_CRRT0
57
VC-235 BOARD (11/16)
I REC_CRRT1
REC_CRRT1
DV_RF_SWP
DV_RF_SWP
DRUM_8PB
DRUM_8PB
XFE_ON
XFE_ON
J
DV_RF_SWP
58
VC-235 BOARD (15/16) RF_MON
RF_IN
59 VC-235 BOARD
VC_RF_SWP
(12/16,14/16,15/16)
60
VC-235 BOARD (9/16) DV_PB_RF
Hi8/Std8 Hi8/Std8
T_REEL_EVR
61
VC-235 BOARD (13/16)
S_REEL_EVR
K
05
5 6 7
L3103
10uH
L3102
10uH
C3111
C3108
10u
10u
6.3V
4V
C3106
XX
C3107
0.01u
R3103
10k
C3113
0.01u
R3105
0
R3104
6800
R2.6/P2.1/C2.1
12 11 10 9 8 7 6 5 4 3 2 1
R0.2/P1.1/C1.1 R2.7/P2.1/C2.1
CLK CP TC1
4.7
AD D VCC F GND
R0.1/P1.2/C1.2
R0.2/P1.1/C1.1
DATA0 R REF2
R0/P0.6/C0.6
R0.2/P1.1/C1.1
DATA1 R REF3
R2.3/P1.9/C1.9
R0.2/P1.1/C1.1
IC3101
DATA2 DECUP
(TRF) 2.8
R0.2/P1/C1
DATA3 F VCC
R0.3/P2.7/C2.7
R0.2/P1.2/C1.2 EQ,PLL,A/D CONVERTER
DATA4 IN
2.8
IC3101
R0.2/P1.1/C1.1
CXA2071R-T4
DATA5 TESTIN
AD D GND DC_TC2
2.8
XSCK DC_TC1
1.9
VDD AGC GND
R3.6/P2.2/C2.2
0
SI AGCTC2
25 26 27 28 29 30 31 32 33 34 35 36
C3105
0.01u
R1.4/P1.4/C2.8
R2.8/P2.8/C1.4
R3106
0
C3112
C3110
0.01u 470p
4-29
8 9 10 11
L3105
R3126
220uH
22k
R3123 R3127
22k 33k
R1.9/
R1.3/
P4.6/
C3132 P2.3/
C4.6
XX C2.3
R3124
22k
R1.2/
L3104
10uH P2.8/
C2.8
C3122 Q3104
10u
2SC4738F-Y/GR(TPL3)
6.3V
ERASE HEAD ON
SWITCH
Q3103
R3118
C3129 RN1104F(TPL3)
13k
±0.5%
XX SWITCH
C3114
47p R1.8/
P1.8/
C3119 R0/
C3128
C0.1
47p P0/
0.01u
C2.6
R3115 R3116
10k
0
C3116
0.033u
R3107 R3111 R3114
24 23 22 21 20
150k 470
4700
26
C3123 R0/
C3120
6800p P1.9/
0.01u
C1.9
CO
R0/P1.9/C1.9
C3124
CE
6800p
R3109 12k R3113
C3126 R4.2/P2.4/C2.4
PBYOUT
0.01u
R3110 10k 12k 4.6
VCC2
C3125 R4.1/P2.4/C2.4
IC3103
PB X OUT
XX
C3115 0.1u
GND
RECA2 R1.8/P0/C0 REC/PB AMP
RECA2
2.8
CXA2072R-T4
VCC3
RECA1 R1.8/P0/C0
RECA1
SW_PS
R1.9/P0/C0
PBSW_PS
1.4
CONT0 27
2.8
C3127 CONT1
C3117 0.01u
470p
R3108
1M
C3118
0.01u
37 38 39 40 41 42 43 44 45 46 47 48
ALL_PS
RECCK
RECDT
IC3102
TC7S86FU(TE85R)
2.8
IN B
VCC
IN A
C3131
1.4
GND 0.01u
OUT
IC3102
GATE
R3112
68
Hi8/Std8 Hi8/Std8
DCR-TRV820/TRV820E/TRV820P
12 13 14 15
Q3111
2SA1832F-Y/GR(TPL3)
ERASE CURRENT SWITCH
4.6 C3140 R3143
R3136
L3106 56
2200 XX
12uH
R4.2/
R3132
C3138
P4.6/
270 3.9 4.6
100p
C4.6
C3134
C3136 R3133 R3138 0.1u
220 100
82p
R3.5/
C3139
P4.6/
150p R3.7/ R4/P4.6/C4.6
0
C4.6
P4.6/
C4.6
R3144
R3137
Q3116
C3135 560
Q3108 4700
2SA1965-S-TL
100p
2SA1832F-Y/GR(TPL3)
Q3108,3116
ERASE HEAD OSC
Q3105
RN1104F(TPL3)
SWITCH
R3122 2.7
68k
±0.5%
0.1
R3119
27k
±0.5%
R3120
22k
±0.5%
Q3106
RN1104F(TPL3)
2.7
R3121
SWITCH
12k
0.5%
19 18 17 16 15 14 13
YL
XL
D1L
GND
R3129
R4.8/P1.7/C1.7
D2O 220
(TRW)
±0.5%
R4.5/P1.7/C1.7
YO
R4.5/P1.7/C1.7
XO
IC3103
R4.8/P1.7/C1.7 R3130
DIO 220
±0.5%
28
GND
R4.8/P1.7/C1.7 R3131
D2E 220
±0.5%
R4.5/P1.7/C1.7
YE
R4.5/P1.7/C1.7
XE
R4.8/P1.7/C1.7
5.9 R3125
±0.5%
220
Q3107,3109,3110, 3112-3115
Hi8/Std8 PB ON SWITCH
C3142
Q3112
220p
2SC4738F-Y/GR(TPL3)
0
R-1.1/P-1.1/C0.7
Q3109
R3139
RN2102F(TPL3)
3900
R3140
3900
Q3113
4.7 2SC4738F-Y/GR(TPL3)
C3143
R-1.1/
220p
P-1.1/
C0.7
Q3107
2SC4738F-Y/GR(TPL3)
R3128 0 C3144
220p
10k
R-1.1/
P-1.1/
Q3114
R0/P0/C0.6 C0.7
2SC4738F-Y/GR(TPL3)
R3141
3900
4.7
Q3110 R3142
C3137
RN2102F(TPL3) 3900
R-1.1/P-1.1/C0.7
0.01u C3141
220p
0
Q3115
2SC4738F-Y/GR(TPL3)
4-30
A/D CONVERTER, REC/PB AMP
16 17 18
16 FEX
FLYING
ERASE
15 FEY
14 GND
13 YEVEN
EVEN
12 XEVEN
11 GND
10 YODD
ODD
9 XODD
8 GND
VIDEO HEAD
7 GND
6 GND
5 LP1Y
4 LP1X
MECHA DECK(1/2)
3 GND
B700 MECHANISM
2 LP2X
1 LP2Y
CN3101 16P
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
REC
PB
REC PB
Ref.signal
VC-235 (8/16)