22
21
SCHEMATIC DIAGRAM-2 (AUDIO/VIDEO SECTION)
1
30
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
51
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
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
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
P
P
P
P
P
R
AFC
DET
DET
SYNC
REG
ALWAYS
5V
DELAYED
SIGNAL
VCA
DET
R
R
R
R
R
R
R
R
R
R
R
R
B.B
R
R
P
R
R
NTSC-M
P
P
P
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
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
6G
1G
13F
14F
15F
16F
16F
3F
11F
12F
8F
9F
10F
6F
7F
3F
4F
5F
1
2
3
6
5
4
2D
3D
3D
1D
1D
2G
3G
1G
6G
5VT
5V
GND
AUDIO 2
AUDIO 1
REC "H"
H.AMP SW
C.ROTARY
79
29
28
62
24
91
90
27
54
30
12
A.MUTE "H"
V.H/SW
IIC DATA
IIC CLOCK
DV.SYNC
VIDEO(VPS)
VIDEO(Y/C)
C.SYNC
COMP OUT
V.ENV
To
SYSCON/
SERVO
SECTION
To
CYL.HEADS
To
SCART
SECTION
P3D01
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
220/6.3
IC301
LA71591M
L307
100U
R350
470
C350
0.1
C348
1/50
C466
3.3/50
C302
R3A2
47K
R3B1
R431
R3A3
1K
C375
0.1
L402
6800U
R406
2.7K
C410
0.1
C412
0.1
C413
0.01
C4A1
22/16
R412
1.8K
R413
8.2K
R415
330K
R414
12K
C414
0.01
R416
150
C415
22/16
C423
4.7/50
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-BL
Q302
KTC3199-BL
C309
330P
C363
39P
R308
2.7K
R306
330
R341
3.3K
R307
330
R310
1K
C304
220/6.3
C305
0.1
L301
10U
R312
1.8K
C311
180P
R335
18K
C369
0.022
C370
180P
C314
0.1
R317
R325
1K
C323
47/6.3
C315
10/16
C316
10/16
C317
0.01
C318
2.2/50
R318
4.7K
C319
0.1
C351
0.1
C322
47/6.3
C324
0.1
L304
100U
R319
1K
C325
1
C326
10/16
C327
1
C313
100P
Q303
KTA1267-GR
C328
0.047
C329
0.01
C330
0.01
Q304
KTC3199-BL
C335
0.1
C354
220/6.3
L309
100U
L306
100u
C374
0.1
C371
0.1
C334
220/6.3
C405
10/16
C406
10/16
C355
0.01
RF TP
C401
47/6.3
C402
0.022
R428
3.9K
R430
3.9K
C425
2200P
R322
8.2K
C358
1/50
C341
0.022
C340
0.033
C339
4.7/50
R321
1.5K
C338
0.022
R326
2.7K
C337
4.7/50
C342
0.01
C343
0.047
C344
0.022
R323
5.6K
C403
0.1
C422
0.1
R425
47K
R427
47K
L401
8.2U
X301
4.43MHz
C331
220/6.3
D301
1SS131
Q305
KTA1267-GR
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
47K
R491
12K
V.H/SW TP
L405
10U
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
270
R403
6.8K
C408
0.015
Q3A1
KTC3199-BL
Q404
KTC3199-BL
Q405
KTC3203-Y
Q403
KTC3199-BL
Q401
KTA1267-GR
Q402
KTA1267-GR
Q3A2
KTC3199-BL
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
R402 2.2M
R324 10K
To
CTL/AUDIO
HEADS
To
FULL
ERASE
HEAD
5VT
5V
5V
5VT
O N E V O L T A G E : P B O R R E C M O D E
T W O V O L T A G E S : P B A N D ( R E C ) M O D E
: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
*
C302
0.047:GX910Z
0.1: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]
R431
4.7K:GX910Z
22K:FX970Z
*
[FOR GX910Z]
*
*
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
2.6
0
2.6
5.1
3.4
0.2
(0.5)
5.0
3.3
3.4
3.4
3.5
5.0
5.0
2.1
(1.4)
2.7
3.8
0
0.6
2.0
(2.9)
2.5
3.2
3.4
1.8
(0)
5.0
2.4
0
2.4
2.5
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)
5
4
15
14
1
9
2
2
2
7
16
12
12
12
13
8
11
3
6
10
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
