Sony XR-C5110R Service Manual page 28

• IC Block Diagrams
– MAIN Board –
IC1 TB2118F (EL)
24 23 22 21 20 19 18 17
+
AMP
VCC
– +
4BIT SWALLOW
REGULATOR COUNTER
SEEK/RECP SEEK/RECP
+
PRESCALLER
12BIT
SIG
PHASE
PROGRAMMABLE
COMPARATOR
COUNTER
40BIT SHIFT
REFERENCE
REGISTER
OSCILLATOR
DIVIDER
18BIT
22BIT
18BIT
ON/OFF
BUFFER
SERIAL I/O
INTERFACE PORT
1 2 3 4 5 6 7 8 9
IC51 SAA6588T-118
20 19 18 17 16 15 14
POWER SUPPLY
& RESET
MULTI
PATH 57kHz
DETECTOR 8th ORDER
BAND-PASS FILTER
CLOCKED SIGNAL QUALITY
COMPARATOR DECODER
4 5
4
CLOCK
CLOCK
RDS/RDBS RDS/RDBS INTERFACE
DATA
DEMODULATOR DECODER REGISTER
DATA
TEST OSCILLATOR IIC BUS SLAVE
& CLOCK
CONTROL TRANSCEIVER
1 2 3 4 5 6 7 8
16 15 14 13
VDD
AMP
20BIT
IF COUNTER
OUTPUT
PORT
11
10 12
13 12 11
PAUSE
DETECTOR
9 10
– 39 –
IC301 CXA2509AQ-T4
30 29 28 27 26 25 24 23 22
24dB
120µ/70µ
T2
+ –
– +
NR BIAS
PBFB2 31
X1
PBRIN2 32
TAPE/AUX
F2
PBREF2 33
TAPE EQ
34
PBFIN2
FWD/RVS
VCT 35
VCT
PBGND 36 VCC
+
LPF +
DETECT
–
PBFIN1 37
F3
PBREF1 38 F1
X1
PBRIN1 39
PBFB1 40
T1
120µ/70µ
24dB
1 2 3 4 5 6 7 8 9 10
IC401 TDA7462D
PAUSE
DETECT
INPUT
LOUDNESS
VOLUME
GAIN &
CONTROL
SE1L 1 CONTROL
AUTO
CIRCUIT
CIRCUIT
SE1R 2
ZERO
MD+ 3
MD– 4
CDL+ 5
CDL– 6
COMPANDER
CDR– 7
CDR+ 8
PDR
9
PDGND 10
PDL 11
LOUDNESS
SE2L 12
INPUT
CONTROL
SE2R 13
GAIN
CIRCUIT
BEEP
DIGITAL CONTROL CIRCUIT
CREF 14
IC361 LB1638M
GND 1
21
IN1 2
20 MSMODE
VCC
3
MS
19 DRSW
MODE
IN2 4
18 TAPESW
17 INSW GND 5
16 NC
15 NC
MS ON/
OFF
14 MSOUT
13 DGND
12 MSTC
11 G1FB
FRONT
TREBLE/
VOICE BANDPASS
FADER
SOFT BASS
MUTE CONTROL
HP LP
CIRCUIT
FRONT
FADER
REAR
FADER
REAR
FADER
SUBWOOFER
FADER
LP
SUBWOOFER
OUT
SDA
IIC
SCL
BUS
POWER
SUPPLY
– 40 –
10 N.C.
9 OUT1
8 VCC
7 OUT2
6 N.C.
28 SE3L
27 SE3R
26 MUTE
SDA
25
24 SCL
23 PAUSE
OUT FL
22
21 OUT FR
20 OUT RL
19 OUT RR
18 SUBOUT+
17 SUBOUT–
16 VDD
15 GND