Tuner/If Section - Aiwa HV-FX5200 z Service Manual

SCHEMATIC DIAGRAM-5 (TUNER/IF SECTION)
Q Q
3 7 6 3 1 5 1 5 0
MAIN(TUNER/IF SECTION)C.B
5.3VA 1B
9V 2B
From
POWER 5VT 3B
SECTION
33VT 4B
1B 6B
5V 5B
GND 6B
TU AUDIO(L)
1E
To
TU AUDIO(R) 2E
Hi_Fi
MOD A. IN 3E
SECTION
VIDEO 4E
1E 5E
TU VIDEO 5E
OSD VIDEO 1H
2H
IIC CLOCK
3H
IIC DATA
To/From
4H
VIDEO(VPS)
SYSCON/
5H
SERVO
SECTION
1H 8H
6H
IIC CLOCK 7H
AFT 8H
T E
L 1 3 9 4 2 2 9 6 5 1 3
PM702
GND 1
GND 2
GND 3
To
TU AUDIO(R) 4
NICAM C.B
GND 5
P7M52
TU AUDIO(L) 6
9V 7
IIC CLOCK 8
IIC DATA 9
PM701
5V 1
MONO AUDIO 2
To
GND 3
NICAM C.B
SIF 4
P7M51
GND 5
GND 6
:PB VIDEO SIGNAL
:REC VIDEO SIGNAL
w w w
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http://www.xiaoyu163.com
L7V1
100uH
C7V7
C7V2
C7V1
1/50
1
47/16
C7V8
1/50
24 23 22 21 20 19 18 17 16
VDD1 RST
V.Sync
Sep.
IC7V1
Timing AFC
Sync Sep/ IIC BUS
LC74793
Generator (VCO)
Data Interface
VPS Sucer
Sync
Detect
NC
VSS1
1 2 3 4 5 6 7 8 9
X7V1
17.734476MHz
C7V6
4.7/50
C7V3 C7V4
12P 12P
:PB AUDIO SIGNAL
: WAVEFORMS No.
:REC AUDIO SIGNAL
x a o u 1 6 3
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i
31
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8
L702
10µH
C704
C705
47/6.3
0.01
L701
100uH
C7M2
C702 47/16
R704
10/16
470
R7V6
5.6K
Q701
15 14 13
KTA1267GR
Q Q
3 7 6 3 1
VDD2
Data
Latch
L703
10uH
Data
Acousition
C706 C707
470/16 0.01
VSS2
10 11 12
R7V5
10K
R7V4 C701 ZD701
2.2K 4.7/50 MTZ33B
C7V5
0.056
.
2 4
9 9 8
TU701
AERIAL
RF OUT
1 BB
2 AUDIO
R7M5
220
L705
3 SDA
10uH
C7M3
43P
4 MB
C713 C714
47/6.3 0.01
5 SCL
R7M3
1K
6 VIDEO
7 MD TU
8 RF AGC
9 NC
C703
5 1 5 0 8 9 2 4
4.7/50 10 AS
R706
220
11 SCL
12 SDA
R707
100
13 B+
C710
43P
14 B+
15 NC
16 TU
17 TP
1
18 IF
4
21 AUDIO
3
22 SIF
23 AFT
2
24 VIDEO
25 NC
C712
L704
5.6P
8.2M
m
c o
32
WAVEFORM-3
2
1 9 9
TU701 Pin 18
(IF Signal)
0.5msec/200mVp-p
2
TU701 Pin 24
(Video Signal)
10µsec/1.0Vp-p
3
TU701 Pin 22
(SIF Signal)
50µsec/200mVp-p
9 8 2 9 9
4
TU701 Pin 21
(Audio Signal)
0.5msec/1.35Vp-p