Sony DCR-PC101 Service Manual page 13

DCR-PC101/PC101E
COVER
COVER
For Schematic Diagram
• Refer to page 4-73 for printed wiring board.
• Refer to page 4-98 for waveforms.
1 2 3
VC-284 BOARD (9/20)
A REC/PB AMP(RF BLOCK)
XX MARK:NO MOUNT
RP_4.6V
RP_2.8V
76
B
(18/20)
FB1901
D_1.9V
REG_GND
C
SW_PS
SW_PS
ALL_PS
ALL_PS
CTRL1
CTRL1
CTRL0
CTRL0
D RECA2
RECA2
RECA1
RECA1
RECCK
RECCK
RECDT
RECDT
69 PLLSW
PLLSW
PLLMSK
PLLMSK
(7/20)
PBCK
C1901
0.01u
E
R0.3/P1.3
ADDT0
R0.3/P1.3
ADDT1
R0.3/P1.3
ADDT2
R0.3/P1.3
ADDT3
R0.3/P1.3
ADDT4
R0.3/P1.3
ADDT5
XVSP_SCK
F
VSP_SO
VSP_SO
VSP_SO
166
(15/20) XVSP_SCK
XVSP_SCK
REC_CRRT0
G 165 77 REC_CRRT0
REC_CRRT1
REC_CRRT1
(13/20), (15/20)
SWP
SWP
78 XCS_TRF
(15/20) XCS_TRF
H
79
RF_MON
RF_IN
(13/20)
05
VC-284 (9/20)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
4 5 6
NO MARK:REC/PB MODE
:Voltage measurment of the CSP ICs
R:REC MODE
and the Transistors with mark,are
P:PB MODE
not possible.
L1903
L1901 L1902
10uH
10uH 10uH
C1904
C1908
C1906
1u
10u
1u
6.3V
6.3V
R1901
10k
Q1901 C1905
EC3101C-PM-TL
0.01u
VRB
4
C1911
C1912
0.01u
1
47p
R1902
6800
3 2
R0.9/ R2.9/
P2.5 0 0 P2.1
R1904
12 11 10 9 8 7 6 5 4 3 2 1 150k
R0.3/ R2.9/
P1 P2.1
CLK CP TC1
4.6
AD D VCC F GND
R0.5/P1.3
DATA0 R REF2
R0.2/P0.7
DATA1 R REF3
R2.3/P1.9
IC1901
DATA2 DECUP
2.8
DATA3 EQ,A/D CONV.PLL F VCC
R2.2/P2.7
IC1901
DATA4 IN
CXA2071R-T4
DATA5 TESTIN
2.8
AD D GND DC_TC2
2.7
XSCK DC_TC1
1.9
VDD AGC GND
7
0.1 R4.3/P2.2
SI AGCTC2
25 26 27 28 29 30 31 32 33 34 35 36
R2.6/
2.7 4.6 R3.4/
P1.4
P2.1
C1903
0.1u
C1907
0.01u
C1910
470p
C1909
0.01u R1905
R1920 0
68
4-25
VC-284 BOARD SIDE A VC-284 BOARD SIDE A
7 8 9 10
C1924
0.01u
C1917
47p R1911
C1925
10k
XX
R2.6/
C1915
P2.1
0.033u
R1910
24
4700
R1908
470
C1920
0.1u
R0.1/P2
CO
C1921
R0.1/P2
0.1u
C1919 CE
R4.7/P2.4
0.01u
PBYOUT 8
4.6
R1906 12k
R1909 VCC2
12k
C1922
PB X OUT
0.01u
R1907
10k
GND
RECA2 R1.8/P0
C1913
9
RECA2
0.1u
2.8
VCC3
RECA1 R1.8/P0
C1923
RECA1
0.01u
SW_PS R1.9/P0
PBSW_PS
C1918
CTRL0 0.9
0.01u
CONT0
CTRL1 1.9
CONT1
10
C1916
470p
R1903
1M
37 38 39 40 41 42 43 44 45 46 47 48
C1914
0.01u
0
ALL_PS
RECCK
RECDT
VC-284 BOARD SIDE B VC-284 BOARD SIDE B
11 12 13
SIGNAL PATH
VIDEO SIGNAL
Y/CHROMA
REC
PB
Ref.signal
23 22 21 20 19 18 17 16 15 14 13
YL
XL
D1L
GND
R3.5/P1.7
R1917
IC1902
D2O 220
R3.3/P1.7 0.5%
YO
REC/PB AMP
R3.3/P1.7
IC1902
XO
CXA2072R-T4 R1918
11
DIO 220
R3.5/P1.7 0.5%
GND
R1919
R3.5/P1.7
D2E 220
0.5%
YE
R3.3/P1.7
XE
R3.3/
P1.7
4.6
R1916 220
R3.5/
P1.7 0.5%
C1926 C1927
0.1u 0.1u
4-26
14 15
VIDEO/AUDIO/
AUDIO
SERVO
SIGNAL SIGNAL
REC REC/PB PB
J-
CN1901 10P
MECHANISM
10 GND
(1/2)
9 YSDL
8 XSDL
VIDEO HEAD
7 GND
6 YODD
ODD
5 XODD
4 GND
3 YEVEN
EVEN
2 XEVEN
1 GND