Sony XR-CA430X Service Manual page 22

XR-CA430X
• Waveforms
– MAIN Board –
1 IC1 1 (XTOUT)
184 mVp-p
97.6 ns
2 IC501 qs (OSCOUT)
2.6 Vp-p
54.3 ns
3 IC501 qh (XOUT)
5.1 Vp-p
30.5 µs
– KEY Board –
4 IC901 y; (OSC)
2.6 Vp-p
27.4 µs
• IC Block Diagrams
– MAIN Board –
IC1 TB2118F-EL-S
24 23 22 21 20 19 18
+
VCC
– +
4BIT SWALLOW
REGULATOR COUNTER
SEEK/RECP SEEK/RECP
PRESCALLER
SIG
PHASE
PROGRAMMABLE
COMPARATOR
COUNTER
40BIT SHIFT
REFERENCE
REGISTER
OSCILLATOR
DIVIDER
18BIT
18BIT
ON/OFF
BUFFER
SERIAL
INTERFACE
1 2 3 4 5 6
IC301 CXA2509AQ-T4
30 29 28 27 26 25
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 +
–
PBFIN1 37
F3
F1
PBREF1 38
X1
PBRIN1
39
PBFB1 40
T1
120µ/70µ
24dB
3 4 5 6 7 8
1 2
22 22
17 16 15 14 13
AMP
VDD
AMP
+
12BIT
20BIT
IF COUNTER
22BIT
I/O OUTPUT
PORT PORT
11
7 8 9 10 12
24 23 22 21
24dB
+ –
20 MSMODE
MS
19 DRSW
MODE
18 TAPESW
17 INSW
16 NC
15 NC
MS ON/
OFF
DETECT
14 MSOUT
13 DGND
12 MSTC
11 G1FB
9 10