Sony SA-WSLF1 Service Manual page 32

SA-WSLF1
• Waveforms
– SW-MAIN Board – – AMP Board –
1 4
IC526 el (X1) IC108 rk (XFSOIN)
2.8 Vp-p
50 ns
1 V/DIV, 40 ns/DIV 1 V/DIV, 20 ns/DIV
2 5
IC525 9 (MCLK1) IC108 qf (XFSOOUT)
2.9 Vp-p
72.3 ns
1 V/DIV, 40 ns/DIV 1 V/DIV, 20 ns/DIV
3
IC519 ws (XIN(I))
3.5 Vp-p
40.7 ns
1 V/DIV, 20 ns/DIV
SA-WSLF1
– DIAT TRANSMITTER Board –
6
IC804 tj (OSC1)
4.6 Vp-p
40.4 ns
20.3 ns
1 V/DIV, 20 ns/DIV
4 Vp-p
20.3 ns
• IC Block Diagrams
– VIDEO-I/O Board –
IC902 MM1623BFBE
1
VCC1
150kΩ
BIAS
2 6dB
C IN
2.4 Vp-p
MUTE 1 3
-6dB 6dB
6.75MHz
CLAMP
CVBS IN 4 6dB
5
YC MIX
CLAMP
Y IN 6
6.75MHz
GND1 7
6dB
6.75MHz
BIAS 8 BIAS
6.75MHz
LPF
I/P
9 6dB
LPF
13.5MHz
10
CY IN
6.75MHz
150kΩ
CLAMP
BIAS
LPF
CLP 11 6dB
LPF
150kΩ
13.5MHz
BIAS
CB IN 12
6.75MHz
LPF
13
MUTE2 6dB
LPF
150kΩ
BIAS 13.5MHz
CR IN 14
– SW-MAIN Board –
IC511-513 PCM1802DBR
SINGLE-END/ 5TH ORDER
VINL 1 DIFFERENTIAL DELTA-SIGMA
CONVERTER MODULATOR
VINR 2
VREF1 3
REFERENCE
VREF2 4
SINGLE-END/ 5TH ORDER
DIFFERENTIAL DELTA-SIGMA
CONVERTER MODULATOR
VCC 5
POWER
AGND 6 SUPPLY
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
32 32
IC903 NJM2235V(TE2)
IN 1 1
S-DC OUT
28 VCC2
S1/S2
200Ω SW 1 2
27
S-DC OUT
IN 2 3
75Ω
LPF 26 C OUT
DRIVER
BIAS
SW 2 4
25 S1
24
S2
75Ω
LPF 23 CVBS OUT
DRIVER
22 GND2
75Ω
LPF DRIVER
21 Y OUT
75Ω
20 CY OUT
DRIVER
19
GND2
75Ω
18 CB OUT
DRIVER
17 GND2
75Ω
16
CR OUT
DRIVER
15 GND2
20
19
18
x16 1/64 17
(x1/128) SERIAL
16
DECIMATION INTERFACE
15
FILTER &
14
WITH MODE/FORMAT
13
CONTROL
DC CUT
FILTER 12
11
CLOCK & TIMING CONTROL
8 GND
BUFFER 7 OUT
6 VDD
5 VIN 3
MODE1
MODE0
FMT1
FMT0
OSR
SCKI
VDD
DGND
DOUT
BCK