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P :TO POWER TRANSFORMER SECTION
R :TO POWER SUPPLY/RF SECTION
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
A
:TO Hi-Fi AUDIO SECTION
T :TO TIMER SECTION
G
A
IR
A21
A
PROG
H
A18
A
OSD PULSE
A17
R
SW2
A14
T
SAFETY TAB
L
A12
R
V
A
MAIN IIC CLOCK
A11
R V A
MAIN IIC DATA
A10
V
EE
L
A9
V
CYL HEAD (-)
A8
V
CYL HEAD (+)
A7
V
FREQ. ADJ.
A6
F
V
PAL EP
H
A4
V
LP
H
A3
A
AV2 PB
H
A2
A
RFC MUTE
H
A1
R6023 27K
V
TRACKING ENV.
R6025 43K
E
R
AFC S-CURVE
R6019 10K
R6021 27K
R6020 39K
R
N.SW 5V
R1501 120
R
REG 5V
R
PS 5V
R
PS 12V
D
R
GND
C2514
R
GND (SYS)
Q1501
0.1
R
GND (FG)
PNB2301MBV
R
GND (MOTOR)
(T-PHOTO)
R
GND (CYL)
R
GND (AV)
R6018 4700
A
S-VHS SW
L
R6001 4700
MODE
1
C
SW
2
B1
S1501
3
B2
K0G934A-
4
B3
Q6008
00002
2SD601A
(AV1 PB:ON)
A
ABS NORMAL
H
B4
R6073
V
NORMAL
L
B5
470K
V
S-VHS
H
B6
A
D.FM REC
H
B8
V
ART V/H/N
B9
V
ET REC
H
B11
B
A
A.HEAD SW
B12
R
AUDIO DEF
H
B13
V
TBC MODE O
B14
V
HEAD SW
B15
V
V.EE
L
B16
V
D.A.REC
H
B17
V
BIAS
L
B18
V
A
MUTE
H
B19
V
FULL ERASE
H
B20
T
POWER KEY
B21
R
POWER OFF
H
B22
L
R
FIP
B23
T
RESET
L
B24
V
SHORT DET
L
B25
V
A
OSD VIDEO OUT
B26
A
AV3 S-VHS IN
L
A
A
AV1 PB 12V
T
BACK UP 5V
1
2
CAPSTAN SERVO SPEED LOOP
CAPSTAN SERVO PHASE LOOP
A23
QR6002
R2507
R2508
XN1212
270K
43K
C6020
(A.DUB
H
:ON)
1
1
5
C6026
R6033
0.1
8200
4
3
L6003
C6018
220u
0.022
2
R6032
C6019
1K
0.1
S-VHS
CASSETTE
S1502
IC6001
VST0325
R1506
10K
M37970VXMU
R6045
100K
A6
C6015
A4
16V10
A3
A2
R6022
100
R6026
C6016
A1
39K
0.01
TL6010
B4
C1501
0.1
B5
Q1502
B6
PNB2301MAV
(S-PHOTO)
B8
SENSOR
D1501
B9
SIR505S
B11
R6072
B12
22K
B13
B14
QR6001
UN2215
(AV1 PB
L
:OFF)
D6004
R6071
1SS355
18K
R6074
C6013
R6075
470
1
22K
R6076
15K
R6017
1K
TW2001
B15
3
4
CYLINDER SERVO SPEED LOOP
A7
A8
A25
A26
C2509
0.47
TW2015
C6017
R2505
680P
C2510
3900
33P
R6031
C2508
6800
R2506
0.1
TW2002
1M
D2502
C2513
MA165
3900P
C2512
25V4.7
D2501
MA165
C2511
6V22
N
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
CURRENT
1
LIMIT
2
F ADJ.
3
S CAS
L
4
A.DUB
H
5
TRACKING ENV.
6
SLP
H
7
LP
H
8
CPB
9
AFC S
10
A MUTE
H
11
AV1 PB +12V
12
N/S/T1/T2
13
S-PHOTO
14
T-PHOTO
15
ABS NORM
H
16
SPB
H
/MES
M
/NOR
L
17
S-VHS
H
18
SECAM ID IN
19
D.FM REC
H
20
ART V/H/N
21
S SW
L
22
AV3 S IN
L
23
ET REC
H
24
VIDEO H.SW
25
AUDIO H.SW
26
A.DEF
H
27
TBC MODE
28
AVPB-H
L
29
AVPB-M
M
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
X6002
R6005
R6004
H0H200-
X6001
0
220K
500011
VSX1022
C6012
C6011
C6010
C6009
15P
18P
18P
18P
B16
B17 B18 B19
B20
B21
B2
5
6
7
CYLINDER SERVO PHASE LOOP
A9
A27 A28 A10 A11 A29 A30
A12
R6030
4700
TL6013
R6029
4700
TL6012
101
100
99
98
97
96
95
94
93
92
91
90
89
88
FLD/T2
87
DATA IN
FLD/T2
86
CLOCK
FLD CS
85
125Hz
84
CAP F/R
83
HALF WAVE H
82
BW H
81
CYL ET
80
CAP ET
79
P50 OUT
78
IR
77
P FAIL L
76
NAVI DATA
75
NAVI H
74
PROG H
73
SLEEP L
72
OSD PULSE
71
AD V
70
SECAM/PAL
69
PAL-I/BG/DK
68
LOADING H
67
UNLOADING H
66
SHORT DN L
65
CV IN
64
(EDS)
V HOLD
63
HLF
62
CV OUT
61
MD0
60
20Hz
59
START H
45
46
47
48
49
50
51
52
53
54
55
56
57
58
R6041
1500
R6040
1K
R6002
C6004
1K
0.01
C6005
C6003
0.01
470P
B1
B3
B22 B23
B24
NV-HS880EG/B/EC/EE
SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM
8
9
A31
IC1502
L6005
RPI354N
68u
R1504
R1503
(S-REEL)
27K
27K
3
2
4
1
IC1501
RPI354N
(T-REEL)
R1502
180
3
2
R6081 220
C6024
6V220
4
1
R6012 220
C1
R6011 220
C2
R6013 220
C3
TW6002
TL2503
C4
C5
A23
R2503
R2504
10K
10K
C6
C2507
C2505
0.056
0.056
A21
R2502
R2501
2200
0
C7
C2506
0.056
A18
C8
R6016 2200
A17
C9
C10
TL2502
A14
C11
C12
R6078
C6035
470
1
C13
C6014 1000P
C6036
R6077
56P
1M
R6043
0
R6008 47K
C6023
Q6002
1
2SB709A
(AMP)
C6022
R6039
R6009
220P
1K
22K
C14
C15
C16
C17
B25 B26
10
11
12
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