Read Sony XR-1800RD Service Manual online
20
20
• IC Block Diagrams
– MAIN Board –
– 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
10
9
8
6
7
3
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
IC450
LC75372E
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
15
43
44
41
42
39
40
37
38
35
36
33
34
23
24
25
26
19
20
21
22
29
30
31
32
27
28
17
18
DECODER
LATCH
CONTROL
SHIFT
REGISTER
ROUT
RFIN
RFOUT
RROUT
RVREF
VREF
LVREF
LROUT
LFOUT
LFIN
LOUT
R2
R1
TEST
VSS
NC
CL
DI
CE
L2
VDD
L1
LT3
LT2
L10dBOUT
LT1
LIN
LCT2
LCT1
L10dBIN
LSELO
L3
NC
RT3
RT2
RT1
RIN
R10dBOUT
RCT2
RCT1
R10dBIN
RSELO
NC
R3
+
–
–
+
–
–
+
–
–
+
–
LVREF
LVREF
RVREF
LVREF
LVREF
LVREF
LVREF
LVREF
LVREF
+
–
+
–
+
–
+
–
+
–
+
–
–
RVREF
RVREF
RVREF
RVREF
RVREF
RVREF
RVREF
+
–
–
+
–
–
+
–
–
+
–
–
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