Sony FDL-PT222 - Manual (Page 9)

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SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM (1)
BS
COMPOSITION 28
SELECT
BAND
BS
U/V
CONTROL
TUNING
BAND
SELECT
BT
26 GEN.
BT
RETURN
AUTO
INITIAL
SET
CHARGE/
DISCHARGE
CIRCUIT
DEFEAT
OUTPUT
DEFECT
SIGNAL
3
HP
14
1
4
5 COMPARATOR
6
10
DEF
FH
H SYNC
AFC
SUD
CS
18 UP
UA 22 OUTPUT
BAR V 30
U 31
BAR
DISPLAY
POSITION
ADJUST
RV001
LB
HB
UB
MB
TU Q001
BUFFER
Q002
AMP
FILTER
SWF201
IF AMP
Q201 IF
AGC TU101
TUNER
6
7
3
IF AMP
IF
IF
AGC OUT
AGC DL
AGC IF
4 RV201
DET
VIDEO
20
19 REF COIL
REF COIL
AUDIO
13 BUFFER
FM
DET
14
E-VDL
15
FM DET
16
LIM
INV.
Q205
FH SWITCH
Q005
CF202
LIMITER 10
SIF
DET OUT 18
SEP
SYNC
AFT
SYNC 23
AFT 17 VIDEO
AMP
SYNC SEP 22 AFT COIL 21
AFT
Q007
Q003,004
INV., SWITCH
CF203
CF201
Q202
BUFFER
LLD
2
3
5
9
7
8 IND
H SYNC
VIDEO
AUDIO
H.P
VHF
CN201
T1 (TUNER, VIF/SIF DET)
IC001
TUNER CONTROOL
IC201 VIF/SIF DET
UB 12
+4.5V
UP DOWN SW 11
20
19
RV002
V LOW
23
24
RV004
V HI
VLP
VHP
VHA
VLA
RF AGC
TO
A BOARD
CN502
AFC SWITCH
IF IF IF
IF
VIDEO
AUDIO
AUDIO
AUDIO 27
SWITCH
Q010-012
J101
EXT ANT
ANT
CHANNEL DISPLAY
POSITION CH13
CHANNEL DISPLAY
POSITION CH1
CHANNEL DISPLAY
POSITION CH12
T101
BALUN
STRAP
ANTENNA