Sony XR-1800R Service Manual

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• IC Block Diagrams
– MAIN Board –
IC121 LC7216M
IC150 TDA7330BD-013TR
16 15 14 13 12 11
PHASE DETECTOR
CHARGE PUMP
12BIT
PROGRAMMABLE
DIVIDER
SWALLOW
COUNTER
1/16, 1/17 4BIT
REFERENCE
DIVIDER
1/2
UNIVERSAL
COUNTER
SHIFT REGISTER LATCH
20 19 18 17
1
2 3
4
5 6 7 8 9 10
X IN
CE
DI
CL
DO
IN 0 IN 1
OUT1 OUT2 OUT3
OUT4 OUT5 LCTR HCTR AMIN FMIN VDD PD VSS X OU
T
COSTAS
LOOP
PLL
57kHz
PHASE
DECODER
DIFF
DECODER
CLOCK
RECOVERY
PLL
1.4675kHz
ON/OFF
OSCILLATOR
fx DIVIDER
TEST LOGIC
8th ORDER
SC-BANDPASS
FILTER
2nd ORDER
ANTIALIAS
FILTER
+
–
20
19 18 17 16 15 14 13 12 11
10986 73
4
5
1
2
POR TM FSEL T7 VCC ARI OUAL RODA ROCL T57
MPXIN
VREF
CMP
FILOUT
GND
T1 T3 T4
OSCOUT
OSCIN
VCC

Sony XR-1800R Specifications

General

Brand	Sony
Model	XR-1800R
Category	Car Receiver
Language	English