JVC HR-J580EK, Service Manual

Page: 69 / 84

WF1
WF2
WF3
WF4
WF5
WF6
WF1
WF2
WF3
WF4
WF5
WF6
DRUMPWM
CTLAMPOUT
VIDEO/
AUDIO
A
8 3 ADV.JOG
8
9
CN7003
HEAD A/C
CTL
1
TO
2
A/C
1
HEAD
CN1
2
JSB
JSA
CN7001
2
1
7
VIDEO ENV
C.SYNC
V.PULSE
D.FF
CTL HEAD ( )
CTL HEAD ( )
CN2001
6
Vcc
FWE
JSB
JSA
56
57
MODE
62
71
CTL ( )
100
V.FF
V.PULSE
VIDEO ENV
C.SYNC
20
98
110
TP4001
CTL ( )
1
3
6
CON1
M
MDA
3
5
4
LOADING
CAP
M
5 5
M
MOTOR DRUM
IC3004
LSB
LSC
LSA
ENCODER
ROTARY
CN3004
2
3
1
LDM2
LDM1
MOTOR
CN3002
2
1
Vref
LO ADING
2
4
1 OUT
OUT 2
VOLTAGE
(
1
7
9
MO TOR
CONTROL )
DR UM CTL V
D.PG
D.FG
CN3001
5
4
3
CAP CTL V
CAP FG
CAP REV (L)
3
2
6
PC3002
SENSOR
CONTROL
Q3001
DRIVE VOLTAGE
SENSOR
PHOTO
LMC3
26
LSB
LSC
LSA
28
27
LMC1
LMC2
37
36
35
TU
59
FG
PHOTO
PC3001
SP
54
FG
DFG
DPG
107
108
102
CAPPWM
CFG
8
101
25
3
CN3003
0 MAIN (SYSCON)
IC3001
SYSTEM
(
MEMORY
DATA2
CLK2
I2C
I2C
72
SERIAL
6
5
IC3003
76
75
(
SCL
SDA
)
RES
66
4
IC3002
RESET
RESET
1
(
2
)
D3004
AL5.8V SYS
TU A MUTE (H)
TO
TUNER
I2C DATA2
I2C CLK2
VIDEO/A UDIO
A.MUTE
)
H
(
TO
(32KHz)
64
Q3003
I2C CLK
I2C D ATA
H
A.FF
A.MUTE(
88
)
49
50
15
SENSOR
END
X2
REC SAFETY
S.CLK
S.DATA
S.DATA OUT
OSD CS
52
47
53
X3002
CLOCK
MAIN
78
58
67
69
(10MHz)
SYSTEM
PR OCESSOR
X1
MICR O CONTROL
X3001
65
)
OSD CS
(
A.FF
L
A.MUTE
(
EE )
)
H
TO
TERMINAL
I2C CLK
I2C DATA
SAFE REC
S.DATA OUT
S.CLK OUT
FR ONT
TO
S.DATA FRSYS
CLK . S
SCREEN ON
TO
CTL .P
CAP REV (L)
OSC2 (OUT)
99
87
TU V MUTE (H)
73
C3025
TIMER CLOCK
Timer Clock
FOR HR-J780EU/J785EK
ONLY USED
ONLY USED
S3001
ES
P.MUTE(L)
SYNC DET (H)
93
77
SYNC DET(H)
P.MUTE(L)
I2C CLK2
I2C DATA2
33
Q3007
P50 I/O
D3008
31
SAT CTL SAT CTL
44
EE (L)/N.PB (M)
EE(L)
79
104
N.REC(H)
105
N.REC ST (H)
H.REC ST (H)
N.REC(H)
N.REC ST(H)
H.REC ST(H)
74
MESECAM(H)
89
PAL PB(H)
MESECAM(H)
PAL PB (H)
I2C CLK2
I2C DATA2
LMC2
LMC1
ONLY USED FOR
HR-J680EU/J780EU
OSC1 (IN)
SYSTEM CONTR OL BLOCK DIA GRAM
FOR HR-J680EU/J780EU
PR OJECT 50 OUT
PROJECT 50 IN
END SENSOR
TU A MUTE (H)
TU V MUTE (H)
4.15
Note : F or the w aveforms in this b lock diag ram, ref er to page 4-24.
S.CLK OUT
48
2
T6
8
T6
FR ONT
TO
B
UN7001
H G F E D C B A
4
5
3
2
1
4-27 4-28