L
N
N
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
L
VCC
VSS
DUB
NOR
CONTROL
REC LEVEL
VOLUME CTL
SELECT SW CTL
MUTE CTL
D.O.C
V5 OUT
VCC
6800
R4045
2700P
C4037
82K
R4044
0.1
C4062
16V47
C4034
0.1
C4035
2700
R4062
4700P:HD647
1500P:HD642
C4074
GND
(HD642)
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
AUDIO MAIN SIGNAL PATH IN REC MODE
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
VIDEO MAIN SIGNAL PATH IN REC MODE
12
11
10
47K
R4049
B23
MUN2113
QR4002
UN2217
QR4001
UN2215
QR4008
UN2215
QR4007
16V47
C4038
16V10
C4039
50V2.2
C4040
39K
R4046
16V10
C4041
16V47
C4042
2700P
C4043
0.1
C4008
82K
R4048
6800
R4047
50V0.22
C4050
22K
R4043
16V10
C4051
47K
R4050
47K
R4051
16V10
C4052
16V10
C4053
B22
B21
47K
R4052
16V10
C4054
B18
16V10
C4055
47K
R4053
B19
16V10
C4060
47K
R4054
B20
B2
2SD1149
Q4001
4700
R4007
2SD601A
Q4002
220
R4008
MUN2111
QR4006
22K:HD647
10K:HD642
R4071
B3
16V10
C4061
3.3M
R4055
(HD647)
100
R4020
0.22
50V
C4020
B17
R4021 75K
100
R4022
0.22
50V
C4021
B16
R4023 75K
100
R4024
0.22
50V
C4022
B15
R4025 75K
R4027 75K
100
R4026
0.22
50V
C4023
B14
100
R4028
R4029 75K
0.22
50V
C4024
B13
100
R4030
R4031 75K
0.22
50V
C4025
B12
150K
R4038
150K
R4069
150K
R4070
150K
R4039
B10
B11
16V10
C4046
0.01
C4045
16V10
C4048
2200
R4068
6800
R4067
-
+
NJM4558M
+
-
5
6
7
8
4
3
2
1
16V10
C4047
2200
R4037
6800
R4036
0.47
50V
C4026
50V0.47
C4027
TDA9615H
220
R4040
220
R4041
B9
B8
10K
R4042
B7
B6
B5
100P
C4032
1200
R4056
220P
C4049
0
R4057
390
R4058
0.1
C4030
0.01
C4033
0.01
C4031
A GND
I REF.
V REF.
MUTE
MUTE
E2(L),(R)
MUTE
SWITCH
SELECT
LINE
+
SWITCH
SELECT
OUTPUT
SAP
E1(L),(R)
TU(L),(R)
SWITCH
SELECT
DECODER
AMP
MIX
E2(R)
E2(L)
TU(R)
TU(L)
+
+
SWITCH
SELECT
NORMAL
LPF-PNR(L CH)
E2(R)
E2(L)
E1(R)
E1(L)
TU(R)
TU(L)
INPUT SELECT SWITCH
SAP
D GND
INTERFACE
IIC BUS
Hi-Fi DET.
ENVELOPE
LPF-PNR(R CH)
MODEM
BPF
MODEM
BPF
44
43
40
39
38
35
34
33
32
31
30
29
28
27
26
25
24
23
22
19
18
17
14
13
12
11
10
9
8
7
4
3
2
1
100
R7803
M24C16-WBN6
IC7801
0.1
C7804
6V47
C7803
47K
R7802
VSS
PBI
PBO
PRE
SDA
SCL
MODE
VCC
1
2
3
4
5
6
7
8
1SS254
D4001
6V47
C4077
MUN2212
QR4003
4700
R4065
10V22
C4080
6800
R4066
MSB710
Q4004
68u
L4006
2SD602A
Q4005
(HD647)
0.022
C4078
6800
R4064
2200P
C4079
0.022
C4076
EQQ7QF025P
T4001
6
4
1
3
2
MUN2212
QR4004
10V22
C4075
3300
R4063
2SB710
Q4006
68u
L4007
0.022
C4073
6V220
C4072
2SD602A
Q4007
3300
R4061
EQQ7QF026P:HD647
EQQ7QF024P:HD642
T4002
6
4
1
2
3
220P
C4070
10K:HD647
8200:HD642
R4060
HD647
0.15:
HD642
0.022:
C4068
(HD647)
(HD642)
REG 12.3V
OSD 5V
N.SW 5V
BIAS 5V
P
P
P
P
C17
C16
C15
C14
C13
C12
C11
B4
VIDEO OUT
VIDEO IN
FSC
N.SW 5V
OSD 5V
P.FAIL
SYS BUS LSN
OSD CS
SYS BUS CLK
GND
SYS BUS TLK
SAT IR
14
12
11
10
9
8
7
6
5
4
3
2
1
(Page:66/C-1)
PK7702
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
DEB
DEA
TV
GND
PROJ 50
GND
OSD IIC CLOCK
OSD IIC DATA
VA
MODE
PROG
AV1 PB
CPB
RGB OFF
25Hz
(Page:66/E-1)
PK7701
15
14
13
12
11
10
7
6
5
4
3
2
1
C17
C16
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
B3
OSD IIC DATA
OSD IIC CLOCK
VIDEO OUT
P.FAIL
SYS BUS LSN
OSD/FIP CS
SYS BUS CLK
SYS BUS TLK
SAT IR
DEB
DEA
TV
PROJ 50
VA
PROG
AV1 PB
CPB
RFB OFF
25Hz
D.A.REC
FULL ERASE
BIAS
P
P
P
I
I
I
T
S
S
S
S
T
I
I
I
I
I
I
I
I
I
I
S
S
S
(HD647)
2
1
FULL ERASE IN
FULL ERASE OUT
B2
B1
(TO FULL ERASE HEAD)
P4002
SHORT DET
CTL HEAD(-)
CTL HEAD(+)
S
S
S
6
CTL HEAD(+)
CTL HEAD(-)
A.HEAD(W)
A.HEAD(R)
GND
AUDIO ERASE IN
(TO A/C HEAD)
P4003
5
4
3
2
1
A1
A2
A3
A4
A5
A6
C SYNC
ART V/H/N
TUNER VIDEO
VIDEO IN 1
VIDEO IN 2
N.SW 12V
S
S
I
I
I
P
:TO TIMER SECTION(Page:59)
T
I
:TO INPUT/OUTPUT SECTION(Page:64)
S :TO SYSTEM CONTROL & SERVO SECTION(Page:60)
:TO POWER SUPPLY/RF SECTION(Page:58)
P
H
9
8
7
6
5
4
3
2
1
G
F
E
D
C
B
A
H
H
H
3.9
3.9
3.9
0.8
3.9
3.8
0.8
3.9
3.9
3.9
3.6
6.1
6.1
0
6.1
0
0
3.9
0
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.2
3.1
(0)
2.0
3.1
5.1
1.9
1.4
12.0
3.6
0
0.3
(MUTE)
(MUTE)
0.3
0
(BUFFER)
(MUTE)
0
0.3
0
(D.A.REC :OFF)
(4.7)
0
5.1
(-24.6)
5.1
(-24.8)
0.7
(PB:ON)
(PB:ON)
(-15.4)
0
(-24.8)
0.7
0(5.0)
TW4502
TL4502
TW4501
4.7
4.8
5.0
5.0
(4.8)
0
(FULL ERASE :ON)
5.5(0)
5.0
(4.3)
5.4
(5.0)
0.3
DRIVE)
(FULL ERASE
(-1.1)
0.3
(4.8)
0.3
(OSC)
(BIAS :ON)
(4.8)
0
5.5(0)
(AUDIO ERASE DRIVE)
5.0
(4.3)
5.4
(4.9)
0.4
(-0.6)
0.3
(4.7)
0.4
(OSC)