Sony HT-CT770 - Page 46

HT-CT770
HT-CT770
4646
• Waveforms
– HDMI Board – – MAIN Board –
• IC Block Diagrams
– HDMI Board –
IC3002 MM3411A50NRE
IC3005, 3006 BD00IC0WEFJ-E2 IC3007 MM1839A50NRE
VOUT
5
NC
4
CE 3
GND
2
VDD
1
+

VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
578
2
1 3
VOUT
FB
GND
4
N.C.
VCC N.C.
6
N.C. EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
VOUT
4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
– MAIN Board –
IC1003 PST8429UL IC1008 BD00IC0WEFJ-E2
578
2
1 3
VOUT
FB
GND
4
N.C.
VCC N.C.
6
N.C. EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
GND 1
VDD
2
+
–
VREF
OUT4
CD
3
w;
IC1002 qa (Xout)
1 V/DIV, 100 ns/DIV
125 ns
2.8 Vp-p
qa
IC3705 1 (BOOT)
5 V/DIV, 2 Ps/DIV
3 Ps
21.6 Vp-p
ql
IC2012 1 (BST)
10 V/DIV, 2 Ps/DIV
3 Ps
22 Vp-p
wa
IC1009 1 (BOOT)
10 V/DIV, 2 Ps/DIV
3 Ps
21.2 Vp-p
7.7 Ps
12 Vp-p
ea
Q805 (BASE)
5 V/DIV, 5 Ps/DIV
20.8 Ps
3.8 Vp-p
qs
IC2005 qk (LRCK)
1 V/DIV, 10 Ps/DIV
qd
IC2005 ql (BCK)
1 V/DIV, 200 ns/DIV
328 ns
4.1 Vp-p
qf
IC2005 w; (SCKO)
1 V/DIV, 20 ns/DIV
40 ns
3.9 Vp-p
qg
IC2005 r; (XTO)
1 V/DIV, 20 ns/DIV
40 ns
2.7 Vp-p
qj
IC2009 y; (BCLK_OUT)
1 V/DIV, 200 ns/DIV
328 ns
4.4 Vp-p
20.8 Ps
4.3 Vp-p
qk
IC2009 ya (LRCLK_OUT)
1 V/DIV, 10 Ps/DIV
1
IC3009 ud (XTALOUT)
1 V/DIV, 20 ns/DIV
37.5 ns
4.1 Vp-p
2
IC3009 oa (MCLK)
1 V/DIV, 50 ns/DIV
59 ns
3.9 Vp-p
qh
IC2009 qd (XTAL)
1 V/DIV, 20 ns/DIV
41 ns
3.8 Vp-p
– DISPLAY Board –