Pif Block Diagram - Toshiba W-704 Service Manual

7-2. PIF Block Diagram

ANT IN ANT OUT
ANT IN
SPLITER
HPF TUNING
BPF TUNING
LPF TUNING
PIF / SIF LA7578N
IF MODULE
7
15
16
3 IN 1 TUNER
H001 TMDH2–032A
RF OUT
AUDIO IN
1
4.5MHz OSC
CH SW
2
RF MODULATOR
MB(5V) 3
LPF
HA11560FP
RF SW
CONTROL
4
SAW
RESONATOR VIDEO IN
5
PLL
PC44818D
NC
6
MIX / OSC
AJ605A NC 7
RF
TUNING ADDRESS
AMP 8
S.CLOCK
9
RF IF
TUNING
S.DATA
AMP AMP
10
IF
PB(5V) 11
RF
TUNE
TUNING
AMP
NC
12
TU(32V)
13
IF OUT
15
VIDEO
TRAP
IF VIDEO
AFT
AMP CIRCUIT 18
VIDEO OUT
FM 4.5MHz
19
DET BPF
AUDIO OUT
16
ATT
D / A
SAP
DEMODULATION
BLOCK
INPUT
ATTENUATOR
STEREO
DEMODULATION
BLOCK
STEREO / SAP DBX NOISE
SWITCH REDUCTION BLOCK
OFFSET
ABSORPTION
27
2
1 C BUS MATRIX
26
INTERFACE SELECTOR
25
ICD01 µPC1854AGT
MULTIPLEXED TELEVISION
SOUND PROCESSING SYSTEM
S001
CH SW
32V
REG
BUFFER
VIDEO SIGNAL
AUDIO SIGNAL
RF VIDEO IN
TO VIDEO
TUNER VIDEO OUT
ON / OFF 5V
TO POWER
EVER 37V
AFT
SCL1
TO SERVO
SDA1
TV VTR
(RF AUDIO IN)
(TUNER AUDIO L OUT)
(TUNER AUDIO R OUT) TO AUDIO
CONVENTIONAL AUDIO OUT
Fig. 7-2-1