Y/C/Head Amp; Tuner/Audio/If - Aiwa VX-G142 Service Manual

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
Q514
9V SW.
Q513
5V SW.
TIMER MICON
IC101 OEC6044D
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
Q356
SW.
Q353
SOUND
Q612
OUTPUT
BUFFER
Q611
BUFFER
Q403 Q352
Q408 Q407
SW. SW.
SW.
Q404
SW.
Q501 Q502,Q503 Q505
100V SW. 100V DR. PROTECT
Q504
RELAY DR. AT 9.6V
Q511,Q515,Q516 Q517,Q518
9V DR. 9V SW.
Q512
Q507
POWER
FEED BACK
1 5
100V SW.
SW CTL.
IC501 TDA4605
VR502
CONSTANT
AT 12V
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.
EAR. JACK
SOUND
2
OUTPUT
3
1
SPEAKER
Q351
SOUND
OUTPUT
16
10
Q500
POWER
REG.
Q509 Q510
12V SW. 12V DR.
I-1
VIDEO CHROMA DEFLECTION
IC601 TB1229CN
SYNC
51
CLAMP
SEPA 31
SMOOTH
18
34
OSD
19
Y-ADD
INTERF
33
20
RGB SW 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
H. DRIVE
IC401 TA8403K
4
V. OUTPUT 2
7
FB401
9
J801
HV
F F
S 8
7
Q804
R. AMP 9
3
Q805
G. AMP
Q806
B. AMP
Q801
CUT OFF
+ 9V
T501
DEGAUSS
COIL
SW501
D501~D504
1
RECTIFIER
4
9
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
COLOR SIGNAL
R. SIGNAL
G. SIGNAL
B. SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL