F1: Audio Block Diagram - Panasonic DVCPRO50 Service Manual

F1: AUDIO BLOCK DIAGRAM

SW4100<2>
P100 P4001
8D 8C CH1 IN H
INPUT IMPEDANCE
8B 8B CH1 IN G
8C 8A CH1 IN C
SW4101<2>
P100 P4001
7D 9C CH2 IN H
INPUT IMPEDANCE
7B
9B CH2 IN G
7C 9A CH2 IN C
SW4200<3>
P100 P4001
6D
10C CH3 IN H
INPUT IMPEDANCE
6B 10B CH3 IN G
6C 10A CH3 IN C
SW4201<3>
P100 P4001
5D 11C CH4 IN H
INPUT IMPEDANCE
5B 11B CH4 IN G
5C 11A CH4 IN C
P1 P4001
22B 22B AV CS AUDIO L
P4001
27A AV RST L
26B AV IORD L
26C AV IOWR L
26A AV ADRS0
23B AV ADRS8
23A AV ADRS9
IC5404<13>
22C AV ADRS10
BUFFER
IC5402<13>
P4001
BUFFER
27B AV DATA(7)
AV DATA(6)
27C
28A AV DATA(5)
28B AV DATA(4)
AV DATA(3)
28C
29A AV DATA(2)
AV DATA(1)
29B
+12V
29C AV DATA(0)
P100 P4001
Q4566,4568<6>
14D 13C CH1 OUT H
14B 13B CH1 OUT G
MUT
14C 13A CH1 OUT C
P100 P4001
Q4567,4569<6>
13D 14C CH2 OUT H
13B 14B CH2 OUT G MUT
13C 14A CH2 OUT C
P100 P4001 Q4696,4698<7>
12D 15C CH3 OUT H
12B 15B CH3 OUT G
MUT
12C 15A CH3 OUT C
P100 P4001
Q4697,4699<7>
11D 16C CH4 OUT H
11B 16B CH4 OUT G
MUT
11C 16A CH4 OUT C
P100 P4001
Q4824,4826<8>
10D 17C L MONI OUT H
9D 17B L MONI OUT G
MUT
10C 17A L MONI OUT C
P100 P4001
Q4825,4827<8>
10B 18C R MONI OUT H
9B 18B R MONI OUT G
MUT
10A 18A R MONI OUT C
H.P(FRONT)
Q500 IC507<5>
VR505
1 P100
3
H.P
MUT AMP
OUT L
Q501 IC507<5>
VR
P100 P4002
6
5
H.P
MUT AMP
OUT R
Q4006,7,8,9<6>
RF/CUE(1/2) IC4002<6>
P5901
5
1
CUE R/P R/P PB EQ
HEAD HSW AMP
TP4005 IC4001<6>
CUE P5901
TP4006
5
CUE_INS_H 7
T4001 REC EQ
ERASE
AMP
HEAD
CUE/CTL
ERASE OSC
CTL
TP4001
ERASE
VR4001
HEAD
RY4001
T4003
CUE BIAS
DUMM
L4004 OSC BIAS CURR
IC4100,4102<2>
IC4106<2>
2
SEL SW INPUT LEVEL SEL
3
HIGH/600 (-60)/-20/0/+4
9,10
IC4101,4103<2>
IC4107<2>
2
SEL SW INPUT LEVEL SEL
3
9,10
(-60)/-20/0/+4
HIGH/600
IC4200.4202<3>
IC4206<3>
2
INPUT LEVEL SEL
SEL SW
3
(-60)/-20/0/+4
9,10
HIGH/600
IC4201,4203<3>
IC4207<3>
2
INPUT LEVEL SEL
SEL SW
3
(-60)/-20/0/+4
HIGH/600 9,10
2
IC4952<9> (1/2)
CH1 IN SEL(1.0)
CH2 IN SEL(1.0)
CH3 IN SEL(1.0)
CH4 IN SEL(1.0)
AV_DATA
CH1 OUT SEL(1.0)
CH2 OUT SEL(1.0)
Q4450,4451
CH3 OUT SEL(1.0)
P.ON
CH4 OUT SEL(1.0)
MUTE QR4450,4451
2
MUTE
DRIVE
VR4560
CH1 OUT LEVEL
IC4560<6>
IC4560,4562<6>
IC4564,4566<6>
OUTPUT LEVEL
SEL.
OUTPUT
-20/0/+4
BAL AMP
9,10
IC4561,4563<6>
IC4565,4567<6>
TP4560
OUTPUT LEVEL
VR4690
OUTPUT SEL.
BAL AMP -20/0/+4
CH3 OUT LEVEL
9,10
IC4690<7>
IC4690,4692<7>
IC4694,4696<7>
TP4561
OUTPUT LEVEL
OUTPUT SEL.
-20/0/+4
BAL AMP
9,10
IC4691,4693<7>
IC4695,4697<7>
TP4690
OUTPUT LEVEL
SEL.
OUTPUT
-20/0/+4
BAL AMP
9,10
TP4691 IC4827,4830<8>
OUTPUT
BAL AMP
IC4829,4831<8>
OUTPUT
BAL AMP
Q4828 IC4832<8>
P4002
MONI_L 1 2
MUT AMP
1 29A HPL
Q4829 IC4832<8>
MONI_R 7 6
3 29B HPR
MUT AMP
VR5001
PB LEVEL
P4002
9B 19C CUE PB IN AMP
IC4813,4814<10>
IC5002,5003<10>
P4002 CYL.N
CANCEL
7B 19A CUE REC OUT CYL FG
VR5006
REC CURR
IC5001<10>
AMP
IC4110,4112<2>
1
REF.LEVEL SEL
BAL.AMP
FS-20/-18/-12
IC4111,4113<2>
1
BAL.AMP REF.LEVEL SEL
FS-20/-18/-12
IC4210,4212<3>
1
BAL.AMP
REF.LEVEL SEL
FS-20/-18/-12
IC4211,4213<3>
BAL.AMP 1
REF.LEVEL SEL
FS-20/-18/-12
REF SEL(1,0)
AVCNT-FPGA (PLD)
163 162
AMP
VR4561
CH2 OUT LEVEL
IC4561<6>
AMP
AMP
VR4691
2
CH4 OUT LEVEL
IC4691<7>
AMP
IC4463<5>
IC4822,4826<8>
AMP
OUTPUT LEVEL
SEL.
-20/0/+4
IC5202<11>
VR4450
IC4823,4828<8>
TP4820 L OUT LEVEL
OUTPUT LEVEL
IC4464<5>
SEL.
AMP
-20/0/+4
TP4821
CODEC
VR4451
R OUT LEVEL
2
AINR
IC5011<10> IC5004<10> IC5009<10>
13
13 PB
1
12 14 6
ATT NR
12
EE
8
TP5200
CUE PB
5
AOUTR
IC5203<11>
3
7 AINL
REC OUT
LIM
5
AMP
AOUTL
2
TP5200
VR4300
IC4306<4>
IC4300<4>
CH1 IN LEVEL
7
13
IC4301<4> 4
AMP
10 18
MCK
VR4301
A/D
11
CH2 IN LEVEL
12
IC4302<4> 2
AMP
3
VR4302
BUFF
CH3 IN LEVEL
IC4307<4>
4
IC4303<4>
AMP
5
VR4303 11
LRCK 17
CH4 IN LEVEL 12 16
BCK
A/D
8
13
2
IC4304<4>
AMP
3
2
IP5400<13>
ROM
for FPGA
IC5401
BUFF
IC4309,4313<4> IC4306<4>
IC4300<4>
26
REF. LEVEL SEL
FS-20/-18/-12
14 15
D/A
IC4310,4314<4>
28
REF. LEVEL SEL
FS-20/-18/-12
BUFF
IC4311,4315<4>
IC4307<4>
26
REF. LEVEL SEL
FS-20/-18/-12
14 14
D/A
IC4312,4316<6>
28
REF. LEVEL SEL
FS-20/-18/-12
IC4453,4457<5> IC4450<5>
11
REF. LEVEL SEL
FS-20/-18/-12
3
D/A
IC4454,4458<5>
9
REF. LEVEL SEL
FS-20/-18/-12
IC5200<11>
11 18
10 17
12 16
IC4952<9> (2/2) 193
EE/PB
3
EE
(A/D)
8 204 CUE_ADSD REC PB
PB
DELAY DELAY
FS
4
R
(D/A)
9
CUE_DASD
205
L
FS-20/-18/-12
1
CUE-EE :
1 2 3
P4002 P4001
ADSD12
13
ADSD12 24C 24C
P4002 P4001
2 (FS256)
MCK1
MCK1 25C 25C
WCK1 (FS:48KHz)
3
WCK1 25B 25B
4 BCK1 FS64
BCK1 25A 25A
P4002 P4001
12 ADSD34
24B
ADSD34 24B
P5400
TDO 2
TDI 3
TMS 6
TCK 8
P4001
ISP TDO 7A
ISP TDI 6A
ISP TMS 6B
ISP TCK 6C
P4002 P4001
5
DASD12
DASD 12 23B 23B
P4002 P4001
6
DASD34
DASD 34 23C 23C
2
MCK1
3
WCK1
BUFF
4
BCK1
P4002 P4001
192
DASDLR
DASD LR 24A 24A
P4002 P4001
206
FS-20/-18/-12
CUE MET DATA 26A 26A
P4002 P4001
203
CUE MIX DATA 26B 26B
4 5