Aiwa HV-FX970 User manual

VIDEO CASSETTE RECORDER
HV-FX970
HV-GX910
S/M Code No. 09-996-332-7T1
Z
Z
SERVICE MANUAL
DATA
BASIC TAPE MECHANISM : D-33
SIMPLE
Replace this Service Manual with "Revision Publishing" when it is issued.

2
SCHEMATIC DIAGRAM-1
R
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
GND
OTPB "H"
5.3VA
GND
K.RTN 1
PMK01
R5A9
120
LD5A1
Q5A1
KRC103M
SW5A7
CH UP SW5A8 CH DOWN SW5A9 SW5A0 OPTB
SW5A6
SW5A5SW5A4
SW5A3
SW5A2
SW5A1
R5A6
1.8K R5A7 1.5K R5A8 2.2K
R5A5
3.9K
R5A4
2.7K
R5A3
2.2K
R5A2
1.5K
R5A1
1.8K
GND
K.RTN 0
PKM02
C KEY 1 C.B
D KEY 2 C.B
To A
MAIN C.B
SYSCON/SERVO
SECTION
PMK01
()
To A
MAIN C.B
SYSCON/SERVO
SECTION
PMK02
()
REC/ITR REW/ PLAY /F FWD STOP PAUSE/
STILL
ONE-TOUCH
PLAYBACK

43
SCHEMATIC DIAGRAM-2
R
R
R
R
2B
3C
4C
5C
6C
7C
8C
9C
10C
11C
12C
2C
1C
1D
2D
3D
13C
3B
4B
5B
6B
1A
1B
1B 6B
2A
3A
5.3VA
9V
5VT
33VT
5V
GND
12VA
GND
12.3V(CAP)
12V(DRUM)
-27VG
-21VG(F-)
-15VG(F+)
STAND-BY "H"
5VG
TIMER "H"
5VT
5V
PWR CTL "H"
5.3VA
GND
5VT
5V
GND
POWER CORD
PW101
F101
T1.6A/250V
V101
C101
0.1
FH02
FH01
L102
33m
C102
0.1
BC101
BEAD CORE
BD101
S1WBA60
R102
100K 2W
R101
2.7 2W
C103
68/400
C122
0.022
R104
56K
2W
C105
0.01/630
C106
100P/1K
BC102
BEAD
D102
ERA22-10
EG01CW
5
4
3
2
41
23
1
DROIN
OCP
GND
FB
VCC
Slort OVP
Reg1(9.4V)
Reg2(7.2V)
Reg3(7.2V)
TSD
Latch
Drive
Buffer
Amp.
Mirror
FB Curent
Detector
Counter
FB OCP
OSC S
RQ
IC101
G-6153
R109
0.35 2W
BC103
T/W
C109
33
C111
0.022
C112
3300P
C113
220P
IC103
KA431AZ
IC102
PC123Y
R103
8.2 D104
EU01W
1
2
15
13
12
7
8
11
10
96
4
T101
SHT-023H D109
RU4YXLF
D108
EU01W
ZD151
MTZ13A
R151
1.2K ZD153
MTZ13A
C152
4.7/50
R171
3.9K
R165
12K
L105
100u
R164
12K
R166
2.2K
R167
2.2K
R155
27K
R154
1K
R161
270 R162 330
R158
270 R159 330
C123
47
Q161
KTC3199
C124
22
R172
12K
D151
1SS133
R156
10K R157
1K
R169
1K R170
1K
D153
T/W
R153 R152
1.2K
C153
4.7/50
ZD152
MTZ10A
ZD104
MTZ5.6B C155
0.1
Q165
KRC101M
Q155
KRA103M
Q157
KRA103M
C156
1/50
D155
1N4003L
D154
1N4003L
D152
1N4003L
C159
10/16
C120
470/25
C151
4.7/50
C157
1/50
Q151
KTC3203
Q154
KTC3198
Q156
KTC3203
Q158
KTA1268 or KSA709C
Q164
KSA1273
Q162
KTA1273
Q159
KTA1273
Q160
KRC101M
Q152
KTC3203
Q153
KTC2804
L104
22u
C121
470
C119
47/50
FR02
4.7 1/4W
F103
ICP-N10 D107
ERA18
C118
220/10
C117
470/16
R114
100K
L103
22u
C116
1000/16
C115
47/50
D106
ERC81-004L
D105
EU01W
R116
330
R117
2.2K R118
1K C114
0.047
R119
3.3K
1%
R120
2.7K
1%
R121
180
To
TUNER/IF
SECTION
1A 3A
To
SCART
SECTION
1C 13C
To
SYSCON/
SERVO
SECTION
1D 3D
To
AUDIO/
VIDEO
SECTION
HOT CIRCUIT
A MAIN(POWER SECTION)C.B

65
SCHEMATIC DIAGRAM-3
1
4
3
2
123456789101112
24 23 22 21 20 19 18 17 16 15 14 13
1
25
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
BB
NC
AUDIO
SDA
4MB
SCL
VIDEO
MD TU
RF AGC
NC
AS
SCL
SDA
B+
B+
NC
TU
TP
IF
SW 1
SW 2
AUDIO
SIF
AFT
VIDEO
1B
2B
3B
4B
5B
6B
1B 6B
1E
2E
3E
4E
5E
1H
2H
3H
4H
5H
6H
7H
8H
5.3VA
9V
5VT
33VT
5V
GND
MOD.AUDIO
TUN.AUDIO
VIDEO
TU VIDEO
OSD VIDEO
IIC CLOCK
IIC DATA
TU SECVL "H"
IIC CLOCK
AFT
9H
IIC DATA
VIDEO(VPS)
TU SEC "H"
To
POWER
SECTION
1E 5E
To
SCART
SECTION
1H 9H
To
SYSCON/
SERVO
SECTION L7V1
100u
C7V2
0.47
C7V1
47/16 C7V7
1/50 C7V8
1/50
C7V3
12P C7V4 12P
X7V1
17.734476MHz R7V8
T/W R7V7 T/W
C7V9
C7V6
4.7/50
C7V5
0.056
R7V5
10K C701
4.7/50 ZD701 MTZ33B
L703
10u
C706
470/6.3 C707 0.01
R707
470
R706
220
C7M2
47/16
C7M5
10/16
R7M3
1K
R7M6
T/W
R7M5
T/W
R7M1
T/W
C702
10/16
L701
100u
R7M4
C7M4
C7M3
C713
47/16
C714
0.01
L705
100u
C704
47/16
C705
0.01
L702
T/W
C7M1
Q701
KTA1267
R704
470
R702
R701
C708
C7S1
33/16
C703
4.7/50
Q7S1
KTC3199
R7S1
22K
L704
8.2u
C712
C711 C710
R7V4
2.2K
R7V6
5.6K
IC7V1
LC74793
Timing
Generator
V.Sync
Sep.
Sync
Detect
Sync Sep/
Data
Sucer
IIC BUS
Interface AFC
(VCO)
Data
Latch
Data
Acousition
VDD2
VDD1 RST
VSS1 NC VSS2
A MAIN(TUNER/IF SECTION)C.B
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
:REC VIDEO SIGNAL
:PB VIDEO SIGNAL
: WAVEFORMS No.
TU701

87
SCHEMATIC DIAGRAM-4
R5F1
15
R5F2
15
R5F1
10
R5F0
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
3
4
5
6
9
12
18
19
20
21
24
25
26
27
28
29
30
T-UP SENSOR
VSS(A/D)
END SENSOR
T-UP REEL
SUPPLY REEL
SEC DET "H"
NC
NC
AFT
PG ADJ
NC
V.ENV
KEY RTM 0
KEY RTM 1
VCC(A/D)
RESET
NC
TU SECAM VL "H"
LD (-)
LD (+)
C+ DET "H"
VCC(SYS)
NC
V.H/SW
CAP.PWM
DRUM PWM
D.V-SYNC
C.ROTARY
H.AMP SW
COMP.IN
CAP ACCEL "H"
REC "H"
I-LIMIT
MODE SW1
MODE SW2
MODE SW3
MODE SW4
OSC2
OSC1
VSS(SYS)
X-TAL1
X-TAL2
TEST "H"
OPT RTN(CTL MON)
TIMER "H"
TSS "L"
16:9 "H"
TU SEC "H"
A.MUTE "H"
CAP.REV "H"
PWR CTL "H"
OSD"H"
SCART "H"
CST SW "H"
SEC/MEC "H"
CTL GAIN ADJ
C.SYNC
4fsc in/2fsc in
4fsc out/2fsc out
D OSC
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
80
79
78
77
76
75
74
73
72
67
66
65
64
63
62
61
60
59
58
56
55
54
31
CTL+ CTL- VSS(SERVO) CTL1 CTL2 CTL3 CTL OUT DFG DPG CFG VCC(SERVO) VCC(OSD) CV IN VREF(OSD) CV OUT CHAR BIAS AFC LPF AFC OSC VSS(OSD) D OSC
NC NC NC
FLD DATA OUT
FLD DATA IN
FLD CLK
FLD ENA
NC
NC
IIC DATA
IIC CLK
PWR FAIL
STAND BY "H"(3W LED)
C.SYNC(INV)
NC NC NC NC
R/C
DRUM
32 33 34 35 36 37 38 39 40 41 42 43 44 45
38 39 40 43 45
46 47 48 49 50
87
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
97 96 95 94 93 92 91 90 8788 81
IC501
HD3977
SYSCON/SERVO
PROCESS
IN
OUT
ADJ
1
2
3
4
5
GND
MODE S1
MODE S2
MODE S3
MODE S4
MS501
R575 4.7K R576 4.7K R577 4.7K R578 4.7K
R5C1 1K
R5C2 1K
R5C3 1K
R5C4 1K
To
MODE SW
1
2
3
4
5
6
7
8
GND
MOTOR GND
I.LIMIT
CAP.CONTROL
12V
CFG
CAP.REV "L"
5.1V
PMC01
1
2
3
4
5
6
7
D.CTL
M.GND
DFG
12V
PG
GND
5.1V
PMD01
1
2
LD+
LD-
PML01
To E
CAPSTAN
MOTOR C.B
PCM01
To D
LOWER
DRUM C.B
PDM01
To
LOADING
MOTOR
C546
47/16
R543 100
R507 1K
C523
R506 1K
R522 1K
R512 1K
R5B5 100
3
RESET GND VCC
12
1
VCC GND RESET
32
RS501
SG233
T-UP/REEL
34
21
RS502
SG233
S-UP/REEL
34
21
R
R
L506
15u
8765
9190
1
GND GND GND GND
VCC
GND
CLK
DATA
234
1
GND 2345678910
R524
6.8 1W
ZD501
MTZ6.8C
R525
5.6K
R526
5.6K
C530
10/16 C529
0.1
C528
0.01
IC502
KA3082
MOTOR DRIVE
MOTOR DET
MOTOR DRIVE
33 32 31
9796 95 94
1
P15 P16 NC NC G1 G2 G3 G4 G5
P3 P2 P1
POWER LED
SHUTTLE4 SHUTTLE3 SHUTTLE2 SHUTTLE1
DATA OUT
DATA IN
CLK
2345678910
12 768910
11
33 32 31 30 29 28 27 26 25 24 23
44
43
42
41
40
39
38
37
36
35
34
44
43
42
41
40
39
38
37
36
35
34
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14 12
13
14
15
12
16
17
18
19
20
21
22
G6
G7
G8
G9
VPP
IC5F1
MN12510F
LED DRIVE
VDD
OSC1
OSC2
VSS
ENA
R5G0 27K R5G1 27K R5G2 27K R5G3 27K R5G4 27K R5G5 27K
R5G6 27K
R5G7 27K
C5F8
47/6.3
C5F4
0.1
R5H1 56
ZD5F1
MTZJ5.1B
ZD5F3
MTZ6.2B
X5F1
4.0MHz
3
V OUT
GND VCC
12
1
2
3
4
5
GND
OTPB "H"
5VA
K.RTN 1
GND
PMK01
GND
KEY RTN 0
1
2
3
4
5
6
7
8
9
10
PMK02
1H
2H
3H
4H
5H
6H
8H1H
1J
2J
3J
4J
5J
1F
2F
3F
4F
5F
6F
7F
8F
9F
10F
11F
12F
13F
1C
2C
3C
4C
5C
6C
7C
8C
9C
10C
11C
12C
13C
7J
8J
6J
14F
15F
16F
19
20
C525
47/16 C526 47/50
R505 1K 61
81
78
80
R569
1M
R5E8 10K R5E7 10K
C557 0.01
R563
10K
R535
470K
D509
1SS133
C544
0.047
C574
1000P
C556
0.01 R5C9
10K
C509
0.022
VR501
220KB
PG ADJ
C507
0.1
C508
0.1
C575
1000P
C567
3900P
C545
0.1
C540
R521
3.3K R528
10K
R579
56K
R523
15K
C522
0.01
R546
5.6K
C543
2200P C551
0.033
R547
12K
R553
220 R550
220
R551
R552
R554
LD501
DECK IR LED
ES501
ST5811-A,B
T-UP END
ES502
ST5811-A,B
SUP END
R556
22K
R557
27K C536
0.01
C538
R5B3
1K
R560
4.7K
R5C5
1K
C534
4.7/50
C581
0.01
C535
4.7/50
C582
0.01
R5B4
1K
R5A1
68K
L5S1
33u
C5S1
43P
Q5S2
KTC3199 C5S2
0.022
R5S3
330
R5S2
6.8K
R5A2
120K Q5A1
KTC3199
Q503
KTA1267
Q501
KTC3199
D501
1N4003L
R5A3
56K
C527
180P R568
680K
C564
330P
R527
560
C524
33/16
R519
27K
C596
0.022
R567
820
R513
100K
C512
180P
R518
560
R509
27K
C589
100P R517
1M
C519
39P
X503
17.734MHz
R589
1M
C576
14P
C577
14P
C552
0.01
R5C6
1K
X502
32.768KHz
X501
10MHz
R534
1M
R515
270
C5F7
47/6.3
R5H2
330
C570
15P
RC5F1
REMOCON SENSOR
C542
680P
R511
1K
R581
68K
C520
1000P
R570
4.7K
R5B1
1K
C516
0.022
IC503
AT24C16
EEPROM
R510 2.2K
R508 4.7K
R545 2.2K
R586 2.2K
R504
1K
R501
100
R502
100
IC505
KIA7042P
C571
15P
C515
18P
C514
18P
R548
100K R544
4.7K
CS501
CST/REC.SW
C518
33P
C503
0.1
C588
4.7/50 C513
0.1 C541 4.7/50
C504
220/6.3
C521
0.022 C561 47/6.3 L505
100u
C510
47/16
D502
1SS133 C501
0.1 C500
470/6.3
C506
0.022
C532
0.022 C505
47/6.3
L502
100u
L501
T/W
R542
2.2K R541
R529
10K
R583
10K
R559
4.7K
R5C7
1K
C537
0.01
R564
27K
R555
220
R558
22K C539
Q515
KRC103M
Q514
KRC103M
38
40
39
31
32
IC504
KIA7031P
RESET
R531
10K
C533
1000P R562
560
R561
560
ZD507
ZD506
C502
47/6.3
4
3
5
55
45
56
1
25
77
76
75
74
26
R5H0
27K
R5F8
27K R5F9
1K
R5F7
1K
R5F5
1K
R5F6
1K
DIG5F1
67
DJ01 1SS133
100
DJ02 1SS133
99
DJ03 1SS133
98
DJ04 1SS133
97
DJ05 1SS133
95
DJ06 1SS133
94
DJ07 1SS133
93
DJ08 1SS133
92
DJ09 1SS133
86
DJ10 1SS133
85
DJ11 1SS133
84
DJ12 1SS133
83
DJ13 1SS133
66
DJ14 1SS133
65
DJ15 1SS133
64
DJ16 1SS133
63
DJ17 1SS133
62
DJ18 1SS133
59
DJ19 1SS133
58
DJ20 1SS133
56
To C
KEY 1 C.B
PMK01
To D
KEY 2 C.B
PKM02
OSD VIDEO
IIC CLK
IIC DATA
VIDEO(VPS)
TU SEC "H"
TU SECVL "H"
IIC CLOCK
AFT
IIC DATA
IIC CLOCK
IIC DATA
A.MUTE "H"
IIC CLOCK
IIC DATA
C+ DET "H"
16:9 "H"
SCART "H"
CTL(-)
CTL(+)
REC "H"
H.AMP SW
C.ROTARY
A.MUTE "H"
V.H/SW
IIC DATA
IIC CLK
DV.SYNC
12.3V(CAP)
12V(DRUM)
-27VG
-21VG(F-)
-15VG(F+)
STAND-BY "H"
5VG
TIMER "H"
5VT
5V
PWR CTL "H"
5.3VA
GND
To
TUNER/IF
SECTION
8J1J
To
SCART
SECTION
16F1F
To
AUDIO/
VIDEO
SECTION
13C1C
To
POWER
SECTION
60
66
88
27
90
R590
1K
43
6
54
30
12
91
24
62
28
29
79
31
32
64
58
21
91
62
18
7H
90 8H
9H
9
91
63
90
91
45
13
14
A MAIN(SYSCON/SERVO SECTION)C.B
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
: WAVEFORMS No.
5.3VA
5V
12V(CAP)
12V(DRUM)
5V
12V(CAP)
5.3VA
5.3VA
5.3VA
5VT
5.1V
12V(DRUM)
5.3VA
5.3VA
12V(DRUM)
VIDEO(VPS)
VIDEO(Y/C)
SEC DET "H"
C.SYNC
COMP IN
V.ENV
R591
470
R591
470
1 2 3 4 5 6 7 8 9 101112131415161718192021222324252627282930313233 3837363534
F- F- NP NP NC
61312109 8 7 2 1 4443424140393837363534333231
7G 6G 5G 4G 3G 2G 1G Nx Nx Nx Nx Nx Nx P16P15 P14 P13P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 F+F+NPNPP1
REC TIMER
SP LP EP
VCR MREM BILSAP Hi-Fi ST
L507
100u
*
1
2
56789
10
3
4
0.4
0
0.1(0)
0
0
5.1
4.5
4.5
1.6
3.5
0.2(2.3)
2.3(4.2)
5.1
0
5.3
5.0
0
5.2
0
5.0(0)
0
5.3
2.5
2.5
2.7
2.4
0
2.5
0
0
2.7
0
3.1
5.0
5.4
0
5.4
2.5
2.5
0
0.8
1.5
0
0
0.1(0.2)
5.1
0
0
0
5.0(0)
4.9(4.5)
0
0
5.1
0
5.1
0(0.4)
2.3
2.4
1.2(0)
0 0.5 0.8 3 1.8 1.8 12.2 12.2 0.9 0.5
0 0 0 0
5.3 0 4.6(5.2) 4.6(5.2)
0.1 2.2 2.2 2.2 2.2 4.4 2.5 5.2
0
2.6 1.3 2.6
0
2.0
0 0
1.2 2.3
0
2.9(2.3)
0 0 0 4.8(0) 4.9 0(4.9) 4.9 0 0 4.8 4.8 4.3 0 4.6 0 0 0 0 5.1 1.2
3.6
5.3
2.2
5.4
5.1
5.1
0
5.3
0
5.3
5.3
5.3
0
5.3
0
0
5.3

109
SCHEMATIC DIAGRAM-5
13 2414 15 16 17 18 19
VCC 20 22 2321
12 1
1
21
19
17
15
13
11
9
7
5
32
20
18
16
14
12
10
8
6
4
11109876
GND 532
GND
4
VCC
5V
REG
IC-BUS
CONT.
CLAMP CLAMP CLAMP
CLAMP
1
21
19
17
15
13
11
9
7
5
32
20
18
16
14
12
10
8
6
4
1JIIC CLOCK
6GVIDEO 1
2JIIC DATA
3JA.MUTE "H"
4JIIC CLOCK 5JIIC DATA
2A
3A
1A
GND
12VA
8J
7J
6J
SCART "H"
16:9 "H"
C+ DET "H"
4E
5E
3E
2E
1ETU AUDIO(L)
4G
5G
3G
2G
1G
AUDIO 2
AUDIO 1
MONO AUDIO
VIDEO 2
TU VIDEO
VIDEO
MOD.AUDIO
R950 100
R949 100
R948
330
C941
10/16
R947
330
Q902
KTC3199
R936
1K
R981
180K
R932
220K
C905
10/16
C906
10/16
L941
100u
C912
470
C945
10/16
C944
10/16
C943
10/16
C955
10/16
C942
1
R916
560
L916
100u
R921
820 R922 1K
Q903
KRC103M
Q909
KRA103M
Q908
KRC103M
L912
100u
C914
1000P
C918
1000P
R934
10K
R933
12K
R915
560
R913
560
R914
560
L911
100u
C911
1000P
L913
T/W
R912
75
R911
75
C919
68P
R906
560
R905
560
R903
560
R904
560
C998 C999
D901
1SS133
D902
1SS133
C904
1000P
C908
1000P
C901
1000P
L906
100u
L902
100u
L904 100uC903 1000P
L901
100u
C909
68P R901
75 ZD901
MTZ13A
ZD902
MTZ13A
ZD903
MTZ13A
ZD904
MTZ13A
R902
75 L903 T/W
L905
BEAD
JK901
SCART2
L907
BEAD
C950
10/16
C949
0.1
C948
10/16
C953
10/16
C947
10/16
Q906
KTC3199
D904
1SS133
D903
1SS133
R943
1.5K
C956
0.1/50
C909
68P
C946
10/16
IC901
BH7635S
C952
0.01
C958
C9A2
820P
C951
47/16 C913
1000P
L914
100u
JK901
SCART1
A MAIN(Hi-Fi SECTION)C.B
3A1A
To
POWER
SECTION
5E1E
To
TUNER/IF
SECTION
6G1G
To
AUDIO/
VIDEO
SECTION
5J1J
To
SYSCON/
SERVO
SECTION
8J6J
To
SYSCON/
SERVO
SECTION
C902
470
P7M52 1
2
3
4
5
6
7
8
9
GND
IIC DATA
IIC CLOCK
12VA
AUDIO(L)
GND
AUDIO(R)
GND
AUDIO
R
R
R
00
12.0
12.0
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
*
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
:REC VIDEO SIGNAL
: VIDEO SIGNAL
:PB VIDEO SIGNAL

1211
SCHEMATIC DIAGRAM-6
130
31
50
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
80 5179 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
100
81
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
ALC
Vref
2.3V
ENV
DET
MUTE
Vref
LINE
AMP
ALC
DET
Vref
2.3V
EQ
AMP
EQ
AMP
COMP
OUT
REC
FM
AGC2
PB FM
AGC REC FM
AGC1 REC FM EQ
DOUBLE
LIM
SERIAL
DECODER
NL
EMPHA
CLAMP
CLAMP
H-PLL
FBC
CLAMP
1/2
DETAIL
ENH
FM
DEM
SUB
LPF
Chara
INS 60dB AMP
SYNC
SEP
Y/C
MIX
N.C1
N.C2
PIC-CTL
ANR
SYNC
DET
EE
AGC
PB FM
EQ
AUDIO
SIGNAL
PROCESSING
HEAD AMP
RF
PROCESSING
FM
PROCESSING W/D
CLIP
FM
MOD
Y.N.R
BPF1
Y.LPF
AFC
1.1M BPF
V/I
CON
MAIN
CONV
SUB
CONV
BALANCE
BPF2
C-LPF
ACC
AGC
DET
B-UP
AMP
REC
BGA
BPF D.E.
D.E.
D.E.
SLD C COMB
CCD
LC89981/82
DELAY
PROCESSING
Y DELAY
VXO2 VXO1
NAP
KIL
KIL
B.D.
KIL
DET PILOT
BG
320FH
VXO
COMB
AMP
PHASE
ALT
SECAM DET
PAL M DET
REC
APC REC APC
REC
APC
DET
REC
AFC
ID DET
CCD
LPF
PB BGA
AFTER
PB BGA
BEFORE
NL
DEEMP
A.GND
PB/EE
PB EQ
THROUGH
S-VHS:OPEN
320/321FH
VCO
VXO
XO
PB/EE
REC:EP/LP
PB:EP
REC
FM AGC2
DET
H.A
GND
H.A
GND
H.A
GND
A-VCC C-GND
SP
LP/EP
A-MUTE/ C+ROT
RFSW/ HASW IN
REC S-FM IN FM AGC DET ACC DET
BAL/TCI Y-VCC Y-GND
R
R
PP
P
P
P
R
AFC
DET
DET
SYNC
REG
ALWAYS
5V
DELAYED
SIGNAL
VCA
DET
R
R
R
R
R
R
R
R
RR
RR
B.B
R
R
P
R
R
NTSC-M
P
PP
P
P
PB-Y
PB-C
P
P
P
PB
CTL EQ TC1
AGC
TC2
P
P
COMP
IN
Y/C SEP
IN
P
P
R
BEFORE
NON CORR
MES
CORRE
AFTER
C-MAIN C-DELAY
Cn-CTL
Cn-CTL
C-VCC NTSC:H CCD
VCC CCD GND
To
SEC
DET
P
1 12234567891011
24 1323 22 21 20 19 18 17 16 15 14
PHASE
ADJ MAIN
ID-DET IDENT IIC BUS
SYSTEM
SW
4.3M
BPF ACC1
ACC
BPF ACC DET
BELL
ADJ 1.1M PRE-BPF Anti Bell ADJ SYSTEM SW
1/4
C/D
X 2 X 2
1.1/4.3
Anti Ball
L/M 1/4 ATT
SYNC
GATE
SYNC
COMORESS
ACC2
LIMITER
2.2M BPF
V C/D
V SEP
SLICER
V C/D
VCO
AFC
LP
XVCO
QUAD DET
TRICK
ID-DET
EP
ADJ
4.3/1.1
BELL
DAC
TRICK
SW8
REC
REC
REC
REC
REC
PB
PB
PB
PB PB
PAL/NTSC
SECAM
SW5
SW4
SW2
SW3 SW6
SW7
1
2
3
4
5
6
SP A PB
SP REC
SP B PB
LP A PB
LP REC
LP B PB
2
1
F/E
GND
6G1G
13F
14F
15F
16F
16F3F
11F
12F
8F
9F
10F
6F
7F
3F
4F
5F
2F
1F
1
2
3
6
5
4
2D
3D
3D1D
1D
2G
3G
1G
6G
5VT
5V
GND
AUDIO 3
AUDIO 2
AUDIO 1
REC "H"
H.AMP SW
C.ROTARY
79
29
28
62
24
91
90
27
6
54
30
12
A.MUTE "H"
V.H/SW
IIC DATA
IIC CLOCK
DV.SYNC
VIDEO(VPS)
VIDEO(Y/C)
SEC DET "H"
C.SYNC
COMP OUT
V.ENV
To
SYSCON/
SERVO
SECTION
To
CYL.HEADS
To
SCART
SECTION
2F1F
To
SYSCON/
SERVO
SECTION
P3D01
CTL(+)
CTL(-)
6
5
4
3
2
1
AUDIO PB
AUDIO REC
A/E (+)
A/E (-)
CTL (-)
CTL (+)
P3D02
P3D03
To
POWER
SECTION
,
A MAIN(AUDIO/VIDEO SECTION)C.B
C367
0.022
R337
C3A1
0.022
R3A1
2.2K
C320
1
C373
0.1 C345
0.1
C346
220 IC301
LA71591M
IC201
TA1238N
L307
100u
R350
470 C350
0.1
C348
1
C466
3.3
C302
0.1
R3A2
47K
R3B1
R431
4.7K
R3A3
1K
C375
0.1
L402
6800u
R406
2.7K C410
0.1
C412
0.1
C413
0.01
R412
1.8K
R413
8.2K R415
330K
R414
12K
C410
0.01
R416
150
C415
22
C423
4.7
TL401
BIAS COIL
C421
0.022 R422
560
C301
0.047:GX910Z
0.1:FX970Z
R418
27K
C417
1200P
C416
2200P
R417
1K C368
1000P
C376
0.022
Q301
KTC3199
Q302
KTC3199
C309
330P
C363
39P
C308
R308
2.7K
R306
330
R341
3.3K
R307
330
R310
1K
C304
220
C305
0.1
L301
10u
R312
1.8K C311
180P
R335
18K
R315
T/W R314 T/W
C369
0.022
C370
180P
C314
0.1
C430
R317
R325
1K C323
47
C315
10
C316
10
C317
0.01
C318
2.2
R318
4.7K
C319
0.1 C351
0.1
C322
47
C324
0.1 L304
100U
R319
1K
C325
1
C326
10
C327
1
C313
100P
Q303
KTA1267
C328
0.047
C329
0.01
C330
0.01
R320
T/W
C210
47/16
L201
12u
C209
0.022
R213
100
C203
0.47
R209
100
X201
4.286MHz
C214
15P
C215
0.1
C216
1
R207
R208
C217 0.1
R206
100 R210
1K R205 1K
R204
1K
C213
2.2/50
C212
0.033 Q201
KTA1267
C201
2.2 R211
1.5K
C211
0.022
R212
100
C208
10/16 C207
0.047 C206 0.047 C205 0.01 C204
0.047
Q304
KTC3199
Q202
KTC3199
C335
0.1
C354
220
L309
100u
L306
T/W
C374
0.1 C371C334
220
C218
0.1
C220
0.022
C405
10
C406
33
C355
0.01
RF TP
C401
47 C402
0.022
R450
3.9K R428 3.9K R430 3.9K
C427
2200P
C425
2200P
C426
2200P R201
470
R222
1K
R322
8.2K
C358
1
C341
0.022
C340
0.033
C339
4.7 R321
1.5K
C338
0.022
R326
2.7K
C337
4.7
C342
0.01
C343
0.047
C344
0.022
R323
5.6K
C403
0.1
C422
0.1
C409
0.1
R425
47K
R427
47K
R429
47K
L401
10u
X301
4.43MHz
C331
220 C333
D301
1SS131
Q305
KTA1267
R316
150
R311
4.7K
C312
22P R313 L303
33u
C3B1
0.033
C303
1
C301
R349
5.6K
C353
22P
C307
27P
R338
R309
C310
C306
0.01
R490
10K
R491
1.8K
V.H/SW TP
L405
27u
R419
47
C420
47/50
C424
0.1
R420
1K
C418
0.015
C419
0.01
R421
2.2
R410
10K
R411
22K
R409
4.7K
R408
2.2K
R407
22K
R404
1.8K
R403
5.6K
C408
0.015
Q3A1
KTC3199
Q404
KTC3199
Q405
KTC3203
Q403
KTC3199
Q401
KTA1267
Q402
KTA1267
Q3A2
KTC3199
C431
0.01
R333 560
R424 270
30
79
79
REC "H"
REC "H"
12 V.ENV
COMP.OUT
R302 10K R303 18K R304 10K R340 18K
R305
L302 56u
L308 12u
62 A.MUTE 28 C.ROTARY 24 V.H/SW 29 H.AMP SW 90 IIC CLOCK 91 IIC DATA 27 DV.SYNC 54 C.SYNC 79 REC "H"
C336 0.01
C332 0.01
79
REC "H"
R301
R402 2.2M
R324 10K
91 IIC DATA
6 SECAM DET "H"
90 IIC CLOCK
54 C.SYNC
27 DV.SYNC
To
CTL/AUDIO
HEADS
To
FULL
ERASE
HEAD
5VT 5V
5V 5VT
ONE VOLTAGE:PB OR REC MODE
TWO VOLTAGES:PB AND (REC) MODE
:REC AUDIO SIGNAL
:PB AUDIO SIGNAL
:PB CHROMA SIGNAL
:PB VIDEO SIGNAL
:PB Y SIGNAL
:REC CHROMA SIGNAL
:REC VIDEO SIGNAL
:REC Y SIGNAL
*: WAVEFORMS No.
5G
4G
VIDEO 1
VIDEO 2
MONO AUDIO
*
*
*
*
*
*
*
*
C310
10/16:GX910Z
4.7/50:FX970Z
*
R305
1.5K:GX910Z
1.2K:FX970Z
*
R309
750:GX910Z
680:FX970Z
*
R338
270:GX910Z
220:FX970Z
*
R3B1
2.7K:GX910Z
4.7K:FX970Z
*
R337
15K:GX910Z
18K:FX970Z
*
R313
330:GX910Z
470:FX970Z
*
R317
100K:GX910Z
120K:FX970Z
*
*
*
[FOR FX970Z]
J3A1
J3A2
[FOR GX910Z]
[FOR GX910Z]
[FOR GX910Z]
[FOR FX970Z]
[FOR FX970Z]
2.4 2.4 2.5 2.4 0.1
(2.4) 2.4 2.4 0 0 1.0 1.7 5.1
(2.7) 1.5 1.9
(1.5) 2.3 5.1 3.0
(0.2) 1.9
(2.5) 1.1
(2.5)
3.0 2.2
(2.5) 0
1.8(2.3)
4.3(3.8)
1.2
(1.7)
1.3
(1.9)
5.1 2.2
(2.5)
4.9 4.9 0
0
2.4
1.7(0.6)
0.1 0.3 0.3
2.9
1.5(2.3)
1.9(1.3)
2.2
4.1
5.1
3.0
2.8(3.1)
2.1
0
1.5
(2.3)
1.6
1.6 0
2.6
(2.2)
9.5
2.2
0.9
0
1.9
1.9
1.3
5.0
2.602.65.1
3.4 0.2
(0.5)
5.03.33.43.43.55.05.0
2.1
(1.4)
2.73.800.6
2.0
(2.9)
2.53.23.4
1.8
(0)
5.02.402.42.5
0
0
0
0.7
0.7
0
5.0
1.9(4.8)
0
1.9(0)
1.9(4.8)
0.2
4.2(0)
0(0.3)
0
2.3
0
2.4(1.6)
4.9
(4.1)
2.4(3.3)
2.4
(1.9)
1.8
(3.3)
1.3
(3.4)
1.8
(3.3)
1.6
(4.7)
1.7
(2) 1.1
(4.4)
5415 14 19
2
2
2
7
16
1212
12
13
8
11
3 610

920074 Printed in Singapore
2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:[phone]