Y/C/Head Amp; Tuner/Audio/If - Aiwa VX-T2170 Service Manual

Integrated color tv/video cassette recorder
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TU. VIDEO (B)
PWM VT

TUNER/AUDIO/IF

AFT S.CURVE
TU. MUTE
DV_SYNC

Y/C/HEAD AMP

AV-H
PB LED
KEY-A
SYSCON/OPE./
KEY-B
POWER/IN/OUT
REMOTE
VCR POWER-H
Q513
5V SW.
TIMER MICON
IC101 OEC6052A
Q6503,Q6502,Q6504
52
BUFFER
SD
12
VT
25
AFT
53
TUNER MUTE
24
DV SYNC
21
AV-H
14
P.B.LED
26
KEY A
27
KEY B
51
REMOTE
Q111
63
SW.
VCR POWER
Q110
62
SW.
TV POWER
Q102
48
SW.
POWER FAIL
Q612
BUFFER
Q611
BUFFER
Q352
SOUND
OUTPUT
Q501
Q502,Q503
100V SW.
100V DR.
+ 100V
Q358
Q357
Q351
SOUND
SOUND
+B SW.
+B SW.
OUTPUT
IC502 KIA7805PI
5V
1
3
POWER
AT + 5.6V
REG.
Q505
Q510
Q507
FEED BACK
FEED BACK
+B SW.
SW
VR502
CONSTANT
VOLTAGE
TV BLOCK DIAGRAM
OSD R 33
OSD G 34
OSD B 35
Q105
VD 38
SW.
Q107,Q605
B.B HI 41
SW.
X102 8MHz
X. IN 45
X. OUT 46
32KHz OSC 49
X101
32.768KHz
32KHz OSC 50
Q354
MUTE-H 11
SW.
Q106
HD 37
SW.
Q353
SOUND
OUTPUT
EAR. JACK
1
5
4
3
2
6
7
SPEAKER
IC501 STR-F6654
13
SWITCHING
1
REG.
3
16
IC504 KIA7812PI
15
AT 12V
3 12V REG.
1
IC503 PQ09RD08
Q509
Q508
4
1
ST. BY
ST. BY SW.
9V REG.
2
P. CON 9V
I-1
VIDEO CHROMA DEFLECTION
IC601 TB1226CN
SYNC
51
SEPA
18
CLAMP
31
OSD
19
SMOOTH
INTERF
20
34
RGB SW
Y-ADD
33
TV/NEXT
37
SHARPNESS
2ND
42
ACC
CHROMA
12
45
CLAMP
SW
13
47
BLK
V AMP
14
36
BLACK
40
VCO
ADJ
35
X601 16.2MHZ
4
IIC
DECODER
H.OUT
53
DAC
AFC 2
29
27
ATT
Q405
6
H. DRIVE
4
V. OUTPUT
2
Q604
IC401
BUFFER
LA7832
FB401
2
J801
HV
EF
F
G2
7
8
Q804
R. AMP
6
11
Q805
G. AMP
Q806
B. AMP
Q801
CUT OFF
+ 9V
DEGAUSS
T501
COIL
SW501
D501~D504
1
RECTIFIER
3
F501
Q602
Y/C/
BUFFER
EE/VV VIDEO OUT
HEAD AMP
TUNER/
VCR AUDIO OUT
AUDIO/IF
Q406
H. OUTPUT
DY
CRT
AC IN
TUNER VIDEO SIGNAL
LUMINANCE SIGNAL
R. SIGNAL
G. SIGNAL
B. SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL

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