Sony WRR-805A Service Manual page 32

IC
AK93C45AV-L (ASAHI)
1,024 (64 x 16)-BIT EEPROM
—TOP VIEW—
CS 1 8 V
IN DD
SK 2 7 NC
IN
DI 3 6 NC
IN
DO 4 5 GND
OUT
3 INSTRUCTION
DI
REGISTER
8
INSTRUCTION
DECODE
1
CONTROL
CS
AND
2
CLOCK
SK
GENERATION
LA4533M (SANYO)
LA4533MTP-1
2-CH MINI POWER AMPLIFIER
—TOP VIEW—
POWER
POWER SWITCH 1
SWITCH
IN1 2
Amp1
PRE GND 3
IN2 4 Amp2
REF 5 BIAS
NJM2100V-TE2 (JRC)
DUAL OPERATIONAL AMPLIFIERS
(DUAL-SUPPLY TYPE)
—TOP VIEW—
1 V 8
CC
_ +
2 7
+ _
3 6
4 V 5
EE
4-2
INPUTS
CS : CHIP SELECT
DI : SERIAL DATA
SK : SERIAL CLOCK
OUTPUT
DO : SERIAL DATA
OTHER
NC : NO CONNECTION
DATA
REGISTER
R/Y AMPS
16 16
AND
AUTO
ERASE
EEPROM
ADD
1,024-BIT
6 12 DECODER 12
BUFFERS
(64 x 16)
VPP/VIP
VPP
GENERATOR
MUTE
10 MUTE SWITCH
CIRCUIT
9 OUT1
8 POWER GND
7 OUT2
6 V
CC
CXA1611N-T4 (SONY)
FM/AM RADIO
—TOP VIEW—
GND 1
FM DISCRI 2
IN
AM OSC 3
IN
AFC 4
IN
FM OSC 5
IN
REG 6
OUT
4
DO
FM RF 7
IN
AM RF IN 8
IN
NC 9
FM RF IN 10
IN
GND 11
FM/AM FE 12
OUT
INPUTS
AFC : AUTOMATIC FREQUENCY CONTROL
AFC/AGC1, AFC/AGC2 : AUTOMATIC GAIN AND FREQUENCY CONTROL
AM IF IN : AM IF INPUT STAGE
AM OSC : AM LOCAL OSCILLATOR
AM RF IN : AM RF AMPLIFIER
BAND SELECT : BAND SELECT FOR FM/AM
FM DISCRI : FM DISCRIMINATOR
FM IF IN : FM IF AMPLIFIER
FM OSC : FM LOCAL OSCILLATOR
FM RF IN : FM RF AMPLIFIER
RIPPLE : RIPPLE FILTER
OUTPUTS
AM IF OUT : AM IF
BAND SIG : BAND SIGNAL OUTPUT WIDTH CONTROL
DET : DETECTOR
FM/AM FE : AM AND FM FRONT-END
METER : METER DRIVER
REG : REGULATOR VOLTAGE
OTHER
NC : NO CONNECTION
4
AFC
5
FM OSC
7
FM RF
10
FM FE
FM RF IN
8
AM FE
AM RF IN
3
AM OSC
14 AM IF
AM IF IN
DET AGC
15 FM IF
FM IF IN
DISCRI
2
FM DISCRI
20
AFC/AGC1
13
REGULATOR
FM/AM BAND SELECT
22
RIPPLE FILTER
RIPPLE FILTER
24 BAND SIG
OUT
23 V
CC
22 RIPPLE
IN
21 DET
OUT
20 AFC/AGC1
IN
19 AFC/AGC2
IN
18 AM IF OUT
OUT
17 IF GND
16 METER
OUT
15 FM IF IN
IN
14 AM IF IN
IN
13 BAND SELECT
IN
12
FM/AM FE
18
AM IF OUT
21
DET
TUNING 16
METER
METER
BAND SIGNAL
24
OUTPUT CONTROL
BAND SIG
19
AFC/AGC2
6
REG
WRR-805A (CE, AU)