Power Section - Aiwa HV-FX5200 z Service Manual

BLOCK DIAGRAM-3 (TUNER/IF, NICAM, A2 SECTION)
Q Q
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
NAICAM C.B
X751
18.432MHz
52 51 50 49 48 47 46 45 44 43
AUDIO
PLL
GEN1
TIMING
MIXER
A/D
RECOVERY
GEN2 LEVEL
DECIMATION SHAPING CTL
FILTER
DQPSK FRAME DEINTERLEAVING
PD
DECODER SYNC NICAM DECODING
IIC BUS
INTERFACE INTERFACE
PILOT FM
DET BLOCK
1 2 3 4 5 6 7 8 9 10
w w w
:REC AUDIO SIGNAL
PD:Phase Detector
.
D751
IC751 IC751
MSP3407D MSP3407D
NICAM,A2 NICAM,A2
42 41 40 39 38 37 36 35 34 33 32 31 30
7-LINE
OUTPUT SELECT
INPUT
SELECT
I/P
DAC
A/D DEEMPHASIS
SELECT
OVERSAM
S-BUS
MATRIX FILTER
INTERFACE
IIS1 BUS IIS2 BUS OVERSAM
INTERFACE DAC DAC FILTER
VOL VOL
11 12 13 14 15 16 17 18 19 20 21 22 23
x a o
y
i
13
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8
MAIN(TUNER/IF SECTION)C.B
5.3VA 1B
9V 2B
To
POWER
5VT 3B
SECTION
33VT 4B
5V 5B
TU AUDIO(L) 1E
To
TU AUDIO(R) 2E
Hi_Fi
MOD A. IN 3E
SECTION
VIDEO 4E
TU VIDEO 5E
OSD VIDEO 1H
IIC CLOCK 2H
To
3H
IIC DATA
SYSCON/
SERVO 4H
VIDEO(VPS)
SECTION
5H
6H
IIC CLOCK 7H
AFT 8H
Q Q
3 7 6 3
FILTER
P7M52 PM702
4 TU AUDIO(R) 4
FILTER
6 TU AUDIO(L) 6
7 9V 7
8 IIC CLOCK 8
29 28 27
9 IIC DATA 9
P7M51 PM701
1 5V 1
2 MONO AUDIO 2
4 SIF 4
DAC
DAC
VOL
DAC
VOL
24 25 26
u 1 6 3
.
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2 4
9 9 8
SECAM AGC
CONTROL
Q701
24 23 22 21 20 19 18 17 16 15 14
1 5 1 5 0 8 9 2 4
VDD2
VDD1 RST
V.Sync
Sep.
Timing
Sync Sep/ IIC BUS AFC
Generator (VCO)
Data Interface
Sucer
Sync
Detect
VSS1 NC VSS2
1 2 3 4 5 6 7 8 9 10 11
X7V1
IC7V1
17.734476MHz
LC74793
VPS
C7V3 C7V4
: PB VIDEO SIGNAL : PB AUDIO SIGNAL
: REC AUDIO SIGNAL
: REC VIDEO SIGNAL
m
c o
14
2
9 9
TU701
AERIAL
RF OUT
1 BB
2 AUDIO
3 SDA
4 MB
5 SCL
6 VIDEO
7 MD TU
8 RF AGC
13 9 NC
9 8 2 9 C703 9
10 AS
Data
11 SCL
Latch
12 SDA
Data
Acousition
13 B+
14 B+
12 15 NC
16 TU
17 TP
18 IF
21 AUDIO
22 SIF
23 AFT
24 VIDEO
25 NC