Table of Contents
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A :TO AUDIO SECTION
S :TO SYSTEM CONTROL & SERVO / TIMER SECTION
I :TO INPUT/OUTPUT & TUNER SECTION
O :TO OSD SECTION
S
(A2)
C SYNC
QR4004
I
V OUT TO Y/C
(A4)
E
UN2212
I
TUN V IN
(A5)
C4073
(BIAS H : ON)
S
O
VIDEO FROM Y/C
(A6)
0.022
0
R4073
S
ART V/H/N
(A7)
4700
S
BIAS(H)
0
5.0
S
BIAS 5V
(4.7)
(0)
S
SHORT DET(L)
S
A
I
IIC CLK
(A8)
S
A
I
IIC DATAS
(A9)
R4062
R4063
2700
3300
I
PS 5V
(A10)
C4074
1500P
P4002
C4075
0
10V22
F ER OUT
1
0
F ER IN
2
0
(TO FE HEAD)
(4.1)
P4003
0
0
0
L4007
A E IN
1
Q4006
(4.9)
(4.7)
0
68
GND(N)
2
0
2SB710A
(B1)
A HEAD R
3
(BIAS POWER ON/OFF)
0
4
A HEAD W
(B2)
2.4(3.2)
5
CTL HEAD(-)
2.4(3.3)
6
CTL HEAD(+)
D
(TO A/C HEAD)
S
CTL HEAD(+)
S
CTL HEAD(-)
S
MUTE(H)
A
NOR TO YC
I
TUN AUDIO IN
S
H A SW
S
H SW
C3003
C3002
1000P
1000P
5.0
36
0
35
4.9
S
34
ENV SEL
S
O
GND(D)
0.7
K4012
(3.3)
C
33
C3502
0.01
0
K4001
32
1.4
31
2.4
S
LP(H)
(0)
S
V SYNC(L)
(B3)
30
S
F ADJ
(B4)
S
DA REC(H)
(B5)
0
29
A
RF C OUT 1
(B6)
2.3
A
A. MUTE
(B7)
(1.8)
A
I
VCC
(B8)
28
S
(B9)
ROTARY SW
3.2
S
O
FSC
(B10)
(2.1)
S
27
TRK ENVE
C3504
0.01
0
26
0
(4.7)
S
D REC(H)
25
B
0
24
P3502
0
0(2.4)
23
1
LP R
(B11)
0(2.4)
COM
2
(B12)
0(2.4)
0
LP L
3
(B13)
22
0(2.9)
SP R'
4
(B14)
0(3.0)
SP COM
5
(B15)
0
0(2.9)
21
SP L'
6
(B16)
0
GND
7
0.5(4.3)
AL
8
0
20
0.5(4.2)
A COM
9
0.5(4.3)
AR
10
0
(TO CYL. HEAD)
19
A
AR
A
A
A COM
A
AL
(B18)
(B17)
(B19)
NOTE : THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS (
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE WITH PAL COLOUR SIGNAL. (SP MODE)
1
2
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
D3001
Q4007
MA165TA5VT
2SD602A
(BIAS OSC)
C4072
0
6V220
T4001
EQQ7QF024P
0
(-0.6)
0
(4.4)
R4061
1
6
R3031
3300
C4068
2.2M
0.022
2
R3030
4
3
12K
L3010
56
C3051
22P
C3048
56P
R3027
C4070
5600
220P
R3026
R4060
8200
1500
C4019
16V47
R4012
0
R4016
1800
-
R4014
1
C4015
0
R4011 3900
2
0
DET
(3.0)
+
R4015
2700
3
DET
LB3501
HA4
0.6
C4013
VLP0145
(2.7)
L
4
C3507
-
0.1
QR4001
H
0
5
UN2217
LB3502
L
-
0.6
L
(MUTE)
VLP0145
(2.7)
ZAP
R
6
0
HA3
0
H
0.6
C3508
L
HA2
0.1
(2.4)
0
L
7
LB3503
H
VLP0145
-
L
0
8
0
0
-
0.6
H
(2.4)
R
AT
9
0
LB3504
HA1
VLP0145
0
QR4002
(2.4)
+
UN2213
10
(INV.)
0
11
0
12
0
13
0
14
R4049
47K
0
15
0
16
0
17
0
18
IC3501
AN3368SB
L4002
(B11) (B14) (B15)
(B7)
(B2)
(B12)
(B13)
(B16)
(B8)
(B6)
) ON THIS DIAGRAM IS RECORD MODE WITH PAL COLOUR SIGNAL. (SP MODE)
3
4
VIDEO MAIN SIGNAL PATH IN REC MODE
C3050
68P
C3045
C3044
C3043
C3049
220P
820P
0.1
680P
L3009
39
R3029
R3028
330
1500
C3042
C3041
56P
R3024
R3023
16V10
270
3300
C3046
22P
R3025
1K
0.1
2.5
1.5
(1.9)
(0)
0
1.7
0
2.4
0.1
64
63
62
61
60
59
58
57
ID
ID
ZAP
OUT2
OUT1
—
+
0.1
(1.9)
65
VCC
W/DC
3.5
ADJ
(4.9)
2fsc
66
LPF
1H-DL
1.4
(0)
67
YNR
PROC
YNR
C3047
DET
1.3
AGC
6V22
(2.0)
68
CLP2
DOP
YNR
0.1
MIXER
69
NC
C4018
NORM
CLP1
0.1
5.0
VCC
70
(NA)
NC1
NC2
DEV
2.4
ADJ
+2.5dB
71
PICT
(Y2)
0
EE/
72
MUTE
FAMI
VV
C4016
50V0.1
2.4
73
(Y3)
2.2M
NLE
A IN 3
PB
DTE
NLDE
0
6V22
A IN 2
REC
74
A IN 1
C4014
MUTE
SUB
FMDEM
50V0.1
LPF
2.4
75
EE/VV
ALC
MOD
6V47
2.4
76
1/2
VCC
FODET
SQPB
0
FH
GND
77
(NA)
TRAP
MUTE
R4019
C4012
(AUDIO)
A EE-ON
100
50V1
2.4
SW
+
78
GAIN
—
VV MUTE
LP/EP-ON
2.4
79
1/2
1/2
VCC
VCC
2.4
80
PAL SP-ON
LP/EP ON A EE-ON
+
C4011
—
0.015
1/2
R4010
SP-ON
VCC
390
1
2
3
4
5
6
7
8
L4001
2.5
2.4
0
2.3
2.4
2.4
2.4
2.4
ELELN153JA
R4002
C3013
10K
N
C4004
R4072
0.1
220K
25V4.7
C4001
C4003
50V1
50V1
R4004
R4001
C4002
15K
R4009
330K
8200P
180
0
R4008
2200
0.6
Q4002
0
(-27.3)
(-18.0)
2SD601A
(SWITCHING)
0
(-18.0)
C4007
R4006
R4005
C4010
1200P
22K
240
0.015
R4007
4700
0.6
0
Q4001
(-27.8)
2SD1149
(SWITCHING)
5.0
0
C4006
(-27.4)
6V22
(4.7)
5.0
R4071
10K
D4002
QR4006
UN2111
(DA REC H )
(B5)
(B1)
NOTE : DO NOT USE ANY PARTS NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER TO PARTS LIST.
5
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
(A2)
(A7)
(A6)
(A5)
(A4)
L3008
47
LB3002
0
C3036
6V220
L3006
R3021
100
680K
C3035
C3031
0.1
R3007
C3034
50V0.47
0
25V4.7
C3030
C3033
N
C3052
2200P
25V4.7
0.1
1.7
0.2
0
5.0
2.0
0
2.9
4.9
3.0
0
3.1
5.0
(2.1)
56
55
54
53
52
51
50
49
48
47
46
45
VCC
GND
V IN 1
VCC
V IN 2
PAL
V IN 3
VCC
(Y)
(Y)
(C1)
/ Y IN
SEQU
/ C IN
(SCF)
SYNC
SEP
NOISE
CLIP
CPN
FAMI
CPS
AGC
AGC
SP=
SUB
DET
-3dB
BPF
SEC
VV
SWITCH
ARTIF
SYNC
NAP
BM-B
EE
VV/FAMI
(VIDEO OUT SELECT)
SEC VV
S1
EE
Y/C
SUB
BURST
MAIN
FAMI
MIXER
CLP
C'
C
U/D
BPF
VV
VV/
2.2
6.6
FAMI
TRAP
TRAP
FAMI
VV-SP/
CLP3
PB
EE
FAMI
REC
VV/
(Y1)
FAMI
LP
HAIN
CACC
DELAY
VV
EE
LPF
DET
EE
(PIN36)
DO-H
DO
EE
DET
CACC
-6dB
NTSC-
EP/SP
VV
DOUBLE
ENV
REC-C
LIM
DET
ADJ
FPC
PEC
ROTAPC
S VHS
CK
PEAKING
:4
APC
CK DET
EE
SP/LP/EP
1H/2
VV
REC
HSS
AFC
TIMER
CHROMA
GAIN
:40
CHROMA
MUTE
SECAM-L
REC
REC
MUTE
CK-ON
LPF
REC
TRAP
HTRAP
& HPF
REC-Y
D-REC
SQPB
PB
ADJ
(PIN29)
VHS
RF
DET
AGC
A
B
+
—
+
RF-Q
GND
B
A
VCC
(RF)
ADJ
(RF)
9
10
11
12
13
14
15
16
17
18
19
20
2.8
5.0
0.1
1.7
0
4.1
3.2
3.2
1.7
1.7
1.7
1.7
(2.7)
(1.9)
(0)
(2.8)
(0.2)
(0.2)
(0.2)
(0.2)
R3032
R3002
L3001
390
300
22
C3008
C3007
6P
0.1
C3005
68P
C3011
6V220
C3006
6P
TW3001
K3003
0
R3036
2700
(2.6)
L3003
47
C3055
0.1
(B4)
(B19)
6
7
AUDIO MAIN SIGNAL PATH IN REC MODE
(A10)
LB3001
0
C3029
0.01
0
2.9
2.3
0.2
44
43
42
41
GND
NC
(SCF)
CK-SW
S-PILOT
-ERASE
L3005
OH-DL
100
5.0
NOR-
VCC
40
COR
(D)
OH-DL
C3026
C3025
0.1
6V100
0
GND
2H-DL
39
(D)
1H-DL
3.7
FAMI
R3012
(2.9)
100
2fsc
SCL
38
(
12C
)
2.8
BUS
R3011
DELAY
LPFA
(2.5)
100
SDA
37
BM-A
C3024
4.4
6V47
(3.1)
TO CACC-
12C
36
DAT
FROM
TINT
ROT 1
SEC-
SEC-
0
ME
L
GND
35
(C1)
FAMI
ACC
EE
SECAM
ID
1.2
VV
34
DET
ME
ACC
EE
1.2
33
VV
L
R3046
22
VV
EE
BPF
2.9
32
630
X3001
2fsc
-
VSX0162
VXO
31
ROT2
BPF
:4
C3021
2fsc
2.9
0
X 2
30
fsc
R3010
C3019
5.0
0.1
47K
D REC
29
VV/SEC/
MUTE
2.1
C3020
EE
(2.6)
2200P
28
EE
EE
R3009
100
VV
2.5
27
DIVIDER
SUBMIXER
F
TO
DET
C3018
6V100
LPF
5.0
BM-A
VCC(C2)
26
L3004
68
ROT1
C3017
0.1
1.7
:4
:2
VCO
25
C3016
0.033
FPC
R3008
C3015
SLD
1500
50V1
PAL M-
PAL
FAMI
IDENT
M-H
R3001
18K
GND(C2)
IC3001
21
22
23
24
TDA9735HV3
0.1
0
1.7
-
C3004
R3040
0
50V1
QR3007
UN2212
R3034
(LP H : ON)
560
0
0
C3054
R3035
0.1
270
0
0
0
R3033
QR3006
470
0
UN2212
(V SYNC L : ON)
4.1
(0)
Q3003
2SB709A
4.9
0
(AMP)
TW3030
(B18)
(B3)
(B17)
(B9)
8
9
(A8) (A9)
(B10)
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