Va-178 Block - Sony DSR-300P Service Manual

VA-178 BLOCK

Q101 FL101
CN1
TRAP
PA-205(R),1-1 1 R PA(X)IN LIMITER
FILTER
CN4
DPR-99,2-73 23 R FB CLP IN
Q201 FL201
CN2
TRAP
PA206(G),1-1 1 G PA(X)IN LIMITER
FILTER
CN4
DPR-99,2-72 22 G FB CLP IN
Q301 FL301
CN3
TRAP
PA-207(B),1-1 1 B PA(X)IN LIMITER
FILTER
CN4
PSW-56,306-1 9 DPR IN
CN4
AT-117,501-33 10 +18dB IN
CN4
DPR-99,2-71 21 B FB CLP IN
DPR-99,2-69 19 P BLKG IN
DPR-99,2-63 16 AHD IN
CN4
DPR-99,2-64 17 AVD IN
IC1,IC2
CN4
AT-117,502-23 11 LD(VA1)IN
AT-117,502-24 12 LD(VA2)IN D/A
AT-117,502-30 13 SCL(D/A)IN CONV.
AT-117,502-31 14 SDA(D/A)IN
CN4 IC10(4/4)
10
AT-117,501-34 18 VA ENABLE IN 8
DPR-99,2-70 20 CLP1 IN
9
IC15,Q9
CN4
+8.5V
3 +9.0V IN
REG
4 +9.0V IN
CN4
IC15,Q6
5 +5.3V IN
+4.9V
6 +5.3V IN
REG
IC309
+2.5V
REF
IC16
CN4
QUICK
AT-117,501-32 15 LSI RESET IN
START
IC15,Q7
CN4
-4.6V
7 -5.0V IN
REG
8 -5.0V IN
12-6
VA-178 BLOCK
Q102(1/2) IC101(1/3)
Q102(2/2)
13
BUFF 14
L101,L102 12 BUFF
Q123 C104-C106
IC101(2/3)
11
BUFF LPF 5
3
Q202(1/2) IC201(1/3)
Q202(2/2)
13
BUFF 14
L201,L202 12 BUFF
Q223 C204-C206
IC201(2/3)
11
BUFF LPF 5
Q302(1/2) IC301(1/3)
Q302(2/2)
13
BUFF 14
L301,L302 12 BUFF
Q323 C304-C306
IC301(2/3)
11
BUFF LPF 5
3
Q2
AMP
1
3
2
IC10(1/4)
R DARK
G DARK
B DARK
R FLARE
G FLARE
B FLARE
R SHAD
G SHAD
B SHAD
R WHT
G WHT
B WHT
2
+8.5V LINE 5
12
+4.9V LINE
R2
IC4(1/4),Q1
+2.45V
REF
-4.6V LINE
R3
12-6
IC102
Q103-Q109 Q110
GAIN UP WHT BAL
CONT AMP
IC103(1/3)
IC101(3/3)
4 5
PRE
BLKG 9
9
IC202
Q203-Q209 Q210
GAIN UP WHT BAL
CONT AMP
IC203(1/3)
IC201(3/3)
4 5
PRE
BLKG 9
9
IC302
Q303-Q309 Q310
GAIN UP WHT BAL
CONT AMP
IC303(1/3)
IC301(3/3)
4 5
PRE
BLKG 9
9
IC10(2/4)
5 6 PRE BLKG
BUFF
IC9
2 4
VD
REF PULSE LEV
IC7,IC10(3/4),
IC11(1/4,3/4)
REF PULSE
V CLP
REF PULSE
GEN.
1
IC3,9,10,11
15
4
14
IC4,IC5
R SHAD R WHT
+
V SAW
G SHAD G WHT
GEN. +
B SHAD B WHT
+
R WHT
G WHT
B WHT
+
4
+
4
+
4
DSR-300/P(J,E)/V2