Sony TAV-L1 (serv.man3) Service Manual ▷ View online
109
TAV-L1
ta
IC2505
ta
(EXT_CLK/XTAL)
50 mV/DIV, 100 ns/DIV
250 ns
150 mVp-p
ts
IC2505
tk
(CV/YOUT1)
(Color bar)
500 mV/DIV, 20
µ
s/DIV
H
1 Vp-p
tg
IC2505
yj
(CV/YOUT2)
(Color bar)
500 mV/DIV, 20
µ
s/DIV
H
1 Vp-p
td
IC2505
tl
(C/CBOUT1)
(Color bar)
200 mV/DIV, 20
µ
s/DIV
H
0.5 Vp-p
tf
IC2505
y;
(CROUT1)
(Color bar)
200 mV/DIV, 20
µ
s/DIV
H
0.7 Vp-p
th
IC2505
yk
(C/CBOUT2)
(Color bar)
200 mV/DIV, 20
µ
s/DIV
H
0.7 Vp-p
ya
IC1009
8
(OSCOUT)
200 mV/DIV, 10
µ
s/DIV
30.5
µ
s
0.5 Vp-p
ys
IC1001
oj
(EXTAL)
500 mV/DIV, 20 ns/DIV
61 ns
1.8 Vp-p
uh
IC1501
ra
(VSS4)
1 V/DIV, 20 ns/DIV
100 ns
2 Vp-p
– A3-AU Board –
– B Board –
– TOUCH SENSOR Board –
110
TAV-L1
– G2 SOEM Board –
– POWER Board –
12
µ
s
2 Vp-p
ia
IC6100
w;
(VG (L))
1 V/DIV, 5
µ
s/DIV
12
µ
s
400 Vp-p
is
IC6100
wd
(VG (H))
200 V/DIV, 5
µ
s/DIV
ih
IC101
3
(D)
200 V/DIV, 2
µ
s/DIV
5
µ
s
530 Vp-p
ij
IC121
1
(DRAIN)
200 V/DIV, 5
µ
s/DIV
14
µ
s
440 Vp-p
111
TAV-L1
•
IC Block Diagrams
– DMB13 Board –
IC105, 107
TK11133CSCL-G
1
2
3
5
4
VCONT
GND
NP
VIN
VOUT
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
– VIDEO-UC Board –
IC202
MM1623BFBE
1
VCC1
2
C IN
3
MUTE 1
4
CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150k
Ω
BIAS
12
CB IN
150k
Ω
BIAS
CLAMP
6dB
6dB
6
Y IN
7
GND
8
BIAS
CLAMP
BIAS
6dB
9
I/P
10
CY IN
11
CLP
13
MUTE2
5
YC MIX
+
6dB
–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
20 CY OUT
75
Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
CLAMP
150k
Ω
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14
CR IN
150k
Ω
BIAS
16 CR OUT
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
112
TAV-L1
– MAIN Board –
IC302
TK11118CSCL-G
1
2
3
5
4
VCONT
GND
NP
VIN
VOUT
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
IC304, 305
CXD9876R
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
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