Panasonic DVC PRO Studio AJ-D950P Service Manual page 413

F8 AUDIO AD/DA BLOCK DIAGRAM
A REC VR 0:11
CH1 CS N
DA WR N
SW4001
<1/18>
P4001
A JACK(P1-18B) 6C CH1 IN H
A JACK(P1-16B) 8C CH2 IN H
1 CH1 IN SEL 0
2 CH1 IN SEL 1
CH2 CS N
DA WR N
SW4041
<2/18>
3 CH2 IN SEL 0
4 CH2 IN SEL 1
P4001
A PROC(P1-18B) 18B DASD12
CH3 CS N
DA WR N
SW4101
<3/18>
P4002
A JACK(P1-26B) 2C CH3 IN H
A JACK(P1-24B) 4C CH4 IN H
5 CH3 IN SEL 0
6 CH3 IN SEL 1
CH4 CS N
DA WR N
SW4141<4/18>
7 CH4 IN SEL 0
8 CH4 IN SEL 1
P4001
A PROC(P1-17C) 17B DASD34
A PROC(P1-19B) 19B WCK1
A PROC(P1-18A) 18A BCK1
A PROC(P1-18C) 18C DASDLR
A PROC(P1-19A) 19A MCK1
IC4938,4939,4940<17/18>
1
CH1 IN SEL 0
2
CH1 IN SEL 1
3
CH2 IN SEL 0
4
CH2 IN SEL 1
5
CH3 IN SEL 0
6
CH3 IN SEL 1
7
CH4 IN SEL 0
8
CH4 IN SEL 1
REC VR(0:11)
CH1 CS
P4001 CH2 CS
SYSCON(P1-29C) 29C AV DATA 0 CH3 CS
SYSCON(P1-29B) 29B AV DATA 1 CH4 CS
SYSCON(P1-29A) 29A AV DATA 2
SYSCON(P1-28C) 28C AV DATA 3
SYSCON(P1-28B) 28B AV DATA 4 DA WR N
SYSCON(P1-28A) 28A AV DATA 5
SYSCON(P1-27C) 27C AV DATA 6
SYSCON(P1-27B) 27B AV DATA 7
P4001
SYSCON(P1-23A) 23A AV ADRS 9
SYSCON(P1-22C) 22C AV ADRS 10
SYSCON(P1-28C) 28C AV ADRS 1
SYSCON(P1-26A) 26A AV ADRS 0
SYSCON(P1-26B) 26B AV IORD L
SYSCON(P1-26C) 26C AV IOWR L
SYSCON(P1-27A) 27A AV RST L
SYSCON(P1-22B) 22B AV CS AUDIO L
IC4008
<1/18>
12 IC4009
REC LEVEL
LEVEL SELECTOR
ADJ.
IC4002<1/18>
IMP.SELECTOR LEVEL
+
HIGH/600 SELECTOR
-
VR4002
VR4001
CH1
CMR
CH1 IN LEVEL
IC4048
<2/18>
IC4049
REC LEVEL
LEVEL SELECTOR
ADJ.
IC4047<2/18>
IMP.SELECTOR LEVEL
+
HIGH/600
SELECTOR
-
VR4042
VR4041
CH2
CMR CH2 IN LEVEL
IC4106
<3/18>
IC4049
REC LEVEL
LEVEL SELECTOR
ADJ.
IC4102<3/18>
IMP.SELECTOR LEVEL
+
HIGH/600 SELECTOR
-
VR4102
VR4101
CH3
CMR
CH3 IN LEVEL
IC4148
<4/18>
IC4149
REC LEVEL
LEVEL SELECTOR
ADJ.
IC4147<4/18>
IMP.SELECTOR LEVEL
+
HIGH/600
SELECTOR
-
VR4142
VR4141
CH4
CMR CH4 IN LEVEL
DASDLR
LEV SEL 3H
EMP ON
H20 L18
CH1 OUT SEL 0
CH1 OUT SEL 1
CH1 DE EMP ON
CONTROL
OUTPUT LEVEL CH12/MONI SEL
SEL1(A) SEL0(B)
0 0 Y0 -3dBu
CH2 OUT SEL 0
1 0 Y1 -20dBu
CH2 OUT SEL 1
0 1 Y2 0dBu
CH2 DE EMP ON
1 1 Y3 +4dBu
CH3 OUT SEL 0
CH3 OUT SEL 1
CH3 DE EMP ON
CH34/MONI SEL
CH4 OUT SEL 0
CH4 OUT SEL 1
CH4 DE EMP ON
MONI L MUT
L OUT SEL 0
L OUT SEL 1
MONI UNITY/VAR
MONI R MUT
R OUT SEL 0
R OUT SEL 1
HP MUT
TP4201 TP4203
IC4205
IC4203 <5/18> IC4201
CH1 EMP AMP BUFF
ADC
TP4202
IC4204
AMP
H20 L18 CH1 OUT SEL 0
LEV SEL 3H CH1 OUT SEL 1
EMP ON CH1 DE EMP ON
DASDLR A
CH2 EMP
CH12/MONI SEL
IC4201<5/18>
BUFFER
TP4251 TP4253
IC4255
IC4253 <6/18> IC4251
LEVEL
AMP BUFF
SELECTOR
CH2 DE EMP ON
CH2 OUT SEL 0
ADC CH2 OUT SEL 1
TP4252
CH3 OUT SEL 0
IC4254 CH3 OUT SEL 1
CH3 DE EMP ON
AMP
DASDLR B
CH34/MONI SEL
LEVEL
SELECTOR
IC4251<6/18>
H20 L18
LEV SEL 3H BUFFER
EMP ON
IC4711
<13/18>
IC4702
<13/18>
DASDLR
BUFFER
MCK1
DAC
WCK1
BCK1
TP4301
IC4305<7/18> R4321-R4323 IC4303
IC4306 IC4302 IC4307<7/18> C4321
LEVEL
CH1,2/MONI LPF DEEMPHASIS
SELECTOR
SEL
DAC
CH1 OUT LEVEL
DASD12 A
WCK1 A
R4324-R4325 IC4304
BCK1 A IC4308<7/18> C4322
MCK1 A
LEVEL
LPF DEEMPHASIS
SELECTOR
CH2 OUT LEVEL
TP4351
IC4355<8/18> R4371-R4373 IC4353
IC4356 IC4352 IC4357<8/18> C4371
LEVEL
CH3,4/MONI LPF DEEMPHASIS
SELECTOR
SEL
DAC
CH3 OUT LEVEL
DASD34 B
WCK1 B
R4374-R4376 IC4354
BCK1 B IC4358<8/18> C4372
MCK1 B
LEVEL
LPF DEEMPHASIS
SELECTOR
CH4 OUT LEVEL
H20 L18
IC4712 TP4704
R4742- IC4303
R4744 C4321 <13/18> IC4755
L DEMP
LPF MUTE
LEVEL
A OUT L DEEMPHASIS
SELECTOR
IC4754
<14/18>
A OUT R
VR4702
LEVEL VR
L OUT LEVEL
MONI UNITY/VAR
MONI R MUT
IC4713
TP4703
R4745- IC4704
R4747 C4732 <14/18> IC4835
R DEMP
LEVEL LPF MUTE
DEEMPHASIS
SELECTOR
IC4834
<15/18>
VR4701
LEVEL VR
R OUT LEVEL
P4001
ADSD12 17C
ADSD34 17A
TP4401
<9/18> IC4406 <9/18>
P4001
CH1 OUT H
LEVEL OUTPUT
CH1
CH1 OUT H 10C
SELECTOR AMP
OUTPUT
CH2 OUT H 10C
LEVEL
VR4402
VR4401
CH1 BAL
TP4476
<10/18> IC4479 <10/18>
CH2 OUT H
LEVEL OUTPUT
CH2
SELECTOR AMP
OUTPUT
LEVEL
VR4477
VR4476
CH2 BAL
TP4551
<11/18> IC4556 <11/18>
P4001
LEVEL OUTPUT CH3 OUT H
CH3
CH3 OUT H 6C
SELECTOR AMP
OUTPUT
CH4 OUT H 8C
LEVEL
VR4552
VR4551
CH3 BAL
TP4626
<12/18> IC4629 <12/18>
CH4 OUT H
LEVEL OUTPUT
CH4
SELECTOR AMP
OUTPUT
LEVEL
VR4627
VR4626
CH4 BAL
IC4755
<14/18> IC4756 <14/18>
P4001
LEVEL MONI OUT
L MONI OUT C 14A
UNITY/
SELECTOR AMP
VAR SEL
L MONI OUT H 14C
VR4751
L CH BAL
IC4835
<15/18> IC4836 <15/18>
P4001
LEVEL MONI OUT
UNITY/ R MONI OUT C 15A
SELECTOR AMP
VAR SEL
R MONI OUT H 15C
R OUT SEL 0
VR4831
R OUT SEL 1
R CH BAL
<16/18>
P4002
HP L VAR
LPF MUTE HP SIG L 29A
HP MUT
P4002
HP R VAR
LPF MUTE HP SIG R 29B
<16/18>
A PROC(P1-16A)
A PROC(P1-16C)
A JACK(P1-14B)
A JACK(P1-12B)
A JACK(P1-22B)
A JACK(P1-20B)
A JACK(P1-10A)
A JACK(P1-10B)
A JACK(P1-8A)
A JACK(P1-8B)
FRONT CPU
(P5-3)
FRONT CPU
(P5-2)