Overall Block Diagram - Sony WRT-808A Service Manual

Overall Block Diagram

AF-27 BOARD
XLR
CONNECTER
CN101
LPF MIC BUFF
AMP AMP
FL101 IC101 (1/2) IC101 (2/2)
CN103
ATT
0~50 dB
DETECTOR
IC102
CN301 POWER
S301
POWER
CONTROL
BATTERY
LR 6x2
Q302
D302
Q304
AMP COM- PRE AMP
PRESSOR EMPHASIS
IC103 (1/2) IC104 (1/2) C130 IC103 (2/2)
R122
TONE SIGNAL
X'tal
DETECTOR
OSCILLATOR
X202 32.768 KHz
IC104 (2/2)
IC201 (5/6)
BUFF
IC201 (6/6)
BATTERY ALARM
X'tal
OSCILLATOR
X201 32.782 KHz
IC201 (1/6)
IC202
V +5 V
CC
DC-DC
CONVERTER
IC301
Q301
Q303
RF-90 BOARD
VOLTAGE
REGULATOR
IC401
AF
SWITCH
VCO COUPLER
MOD
IC203
CP401 CP402
LPF
PLL
IC401
DATA
LD
CK.LAT
AFM
32 K
LVD
ALO CPU
APO IC501
POFF
BAT
RESET
IC552
CHANNEL SELECT SWITCH
VOLTAGE
CONTROL
Q402
Q403
D403
PRE POWER LPF ISO-
AMP AMP LATOR
Q404 Q405 FL401 CP403
POWER H/L 50/10 mW
Q406
Q407
S401
X'tal
OSCILLATOR
X551 4 MHz
IC551
POWER/ AF/PEAK
BATT
LED
DRIVER D502
Q501
Q502
D503
Q503
Q505
S504 S505
INTERNAL
ANTENNA
CN402