I
2
C-b
us
controlled
single
and
m
ultistandard
alignment-free IF-PLL demodulators
TD
A9885; TD
A9886
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6
BLOCK DIA
GRAM
handbook, full pagewidth
MHC108
DIGITAL VCO CONTROL
AFC DETECTOR
RC VCO
VIF-PLL
VIF-AGC
TUNER AGC
SUPPLY
SIF AGC
AUDIO PROCESSING
AND SWITCHES
NARROW-BAND
FM-PLL DEMODULATOR
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
SOUND TRAPS
4.5 to 6.5 MHz
TAGC
CVAGC(pos)
CAGC(neg)
CBL
VAGC
(1)
TOP
14 (15)
VPLL
19 (21)
9 (8)
16
15 (16)
21 (23)
4 (2)
10 (9)
11 (10)
12 (11)
18 (20)
20 (22)
2 (31)
1 (30)
(18) 17
(7) 8
(3) 5
(4) 6
external reference signal
or 4 MHz crystal
REF
AFC
AUD
CVBS
audio output
video output: 2 V (p-p)
[1.1 V (p-p) without trap]
CAF
SIOMAD
SDA
SCL
MAD
VP
CAGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
AGND
7 (5)
DGND
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22 (24)
3 (1)
OP1
OP2
FMPLL
DEEM
AFD
sound intercarrier output
and MAD select
FM-PLL
filter
VIF-PLL
filter
de-emphasis
network
VIF2
VIF1
24 (27)
23 (26)
SIF2
SIF1
TDA9885
TDA9886
Fig.1 Block diagram.
(1) Not connected for TDA9885.
Pin numbers for TDA9885HN in parenthesis.
Summary of Contents for P7
Page 1: ...P7 PDP TV SERVICE MANUAL ...
Page 58: ...6 Set Serial Label Information 8 MD 42HM8 SERIES ...
Page 82: ...MD 42HM8 SERIES 32 ...
Page 83: ...10 Block and Schematic Diagram 10 1 Schematic Diagram Notes MD 42HM8 SERIES 33 ...
Page 115: ...11 Replacement Parts List 11 1 Replacement Parts List Notes 65 MD 42HM8 SERIES ...