Sony SS-CEP50 - Diagrams; Block Diagram - TUNER Section

HCD-EP50
1515
AM
RF AMP
AM
OSC
AM
MIX
L. P. F
FM/AM PLL
U2
AM/FM
IF BUFFER
DECODER
• SIGNAL PATH
: FM
: AM
X2
7.2MHz
AMIN
IFIN
IF-BUFF MUTE AM/FM VCO-STOP
IO1
AOUT
AIN
FMIN
20
1
14 13 18
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
DI
CL
CE
DO
DA IN
STATION
STEREO
FM ON/OFF
ST/BEAT
TU-L
R-CH
R-CH
OUT L
AMP-
IN L
AMP-
OUT L
OUT R
RCLK
RDATA
RCLK
RDATMUX
TU-R
CLOCK
PLL CE
DA OUT
PD
XIN
XOUT
3
4
2
5
11
BO1
61017 16
• R-ch is omitted due to same as L-ch.
CN12
CN13
U4
FM FRONT-END
CF2
10.7MHz
T6
AM RF
T8
AM OSC
D5
CF5
10.7MHz
CF3
10.7MHz
1
5
7
AM-RF
-IN
AM-IF
FM-IN
FM-DET
OUT MPX-IN
AM-DET OUT
AM-MIX
AM-OSC
OSC.BUFF FM-SD.ADJ
8
1 23
2
30
427
29
TC1
DETAM IF
AGC
CF4
450kHz
FM
DET
FM IF
PLL 57kHz
RDS/ARI
24
22
20
21 19 17
MUTING
13 1514
TUNED
6
STEREO
7
BUFFER
Q5
4
BIPHASE
DECODER
PLL
1187.5Hz
16
2
X304
4.332MHz
RDS DECODER
IC305
FM/AM IF AMP,
AM RF AMP/MIX/OSC,
FM/AM DET, MPX
U1
14
13
XI
XO
E
(Page 17)
A
(Page 18)
C
(Page 16)
D
(Page 18)
B
(Page 17)
FM ANT
75Ω
COAXIAL
AM ANT
AM FREQUENCY
COVERAGE
T8
AM TRACKING
T6, TC1
AM IF
T1
FM DET
9
T5
FM DET
L. P. F.
T4
L. P. F.
T2
ANTI-ALIASING
FILTER
COMPARATOR
DEFERENTIAL
DECODER
FM/AM BAND
SELECT SWITCH
Q3
STEREO/MONO
SWITCHING
Q17
OSC CLOCK
FM IF AMP
Q2
(AEP, UK, Chinese)
(AEP, UK)
(EXCEPT AEP, UK, Chinese)
1
FM RF
AMP
PHASE
DETECTOR/
CHARGE PUMP
FM RF
IN
MIX
OUT
3
13
FM
OSC
FM OSC
BUFFER
Q901
15
FM RF
OUT
FM MIX
FM OSC
D905 D906
TC901
B. P. F.
BPF901
T901
FM IFT
L901
FM OSC
L902
FM RF
FM FREQUENCY
COVERAGE
L901
FM TRACKING
L902, TC901
FM RF AMP/MIX/OSC
IC901
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – TUNER Section –
Ver 1.1