Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual page 38

STR-DB870/DB1070
• Waveforms
– DIGITAL Board –
1 IC1303 qf (XO)
1.3 Vp-p
231 ns
2 IC1410 1
3.9 Vp-p
40.4 ns
3 IC1601 <zc.> (MCLK2)
3.7 Vp-p
74 ns
4 IC1703 tj (X1)
3.8 Vp-p
60 ns
5 IC1501 qd (MCLK2)
3.8 Vp-p
74 ns
– VIDEO Board –
qa IC304 qa
4 Vp-p
71 ns
qs IC304 qd
4 Vp-p
57.7 ns
• IC Block Diagrams
IC101 TC9274N-016 (MAIN board)
VSS 1
S1 2
S2 3
S3 4
S4 5
S5 6
S6 7
S7 8
S8 9
S9 10
18BIT 18BIT
LATCH LATCH
S10 11
CIRCUIT CIRCUIT
(L-CH) (R-CH)
S11 12
S12 13
S13 14
S14 15
S15 16
S16 17
S17 18
S18 19
GND 20
LEVEL SHIFT & SHIFT REGISTER
CK 21
IC303 TC74HC4053AP (VIDEO Board (US and Canadian models))
16 15 14 13 12
IN
OUT
C
IN
OUT
C
C
OUT
IN
C
OUT
C
IN
OUT
IN
C
OUT
IN
1 2 3 4 5
38 38
IC102 TC9273N-004 (MAIN Board)
IC105 TC9273N-013 (MAIN Board (STR-DB1070))
IC201 TC9273N-014 (VIDEO AU Board)
42 VDD
40 S1
VSS 1
40 S2
S1 2
39 S3
S2 3
38 S4
S3 4
37 S5
S4 5
36 S6
S5 6
10BIT 10BIT
35 S7
S6 7 LATCH LATCH
CIRCUIT CIRCUIT
(L-CH) (R-CH)
34 S8
S7 8
33 S9
S8 9
32 S10
S9 10
31 S11
S10 11
30 S12
S11 12
29 S13 GND 13
LEVEL SHIFT & SHIFT REGISTER
28 S14 CK 14
27 S15
26 S16
25 S17
24 S18
23 STB
22 DATA
IC305 BA7622 (VIDEO Board (STR-BD1070))
GND 1
11 10 9
IN1 2
IN2 3
IN3 4
6 7 8
28 VDD
27 S1
26 S2
25 S3
24 S4
23 S5
22 S6
21 S7
20 S8
19 S9
18 S10
17 S11
16 STB
15 DATA
75OHM
DRIVER
8 OUT1
75OHM
DRIVER
7 OUT2
75OHM
DRIVER
6 OUT3
5 VCC