Sony STR-DA5000ES Service Manual page 78

STR-DA5000ES
• IC Block Diagrams
– AUDIO Board –
IC326, 341 TC9274N-016
VSS 1 42 VDD
S1 2 40 S1
S2 3 40 S2
S3 4 39 S3
S4 5 38 S4
S5 6 37 S5
S6 7 36 S6
S7 8 35 S7
S8 9 34 S8
S9 10 33 S9
18BIT 18BIT
LATCH LATCH
S10 11 32 S10
CIRCUIT CIRCUIT
(L-CH) (R-CH)
S11 12 31 S11
S12 13 30 S12
S13 14 29 S13
S14 15 28 S14
S15 16 27 S15
S16 17 26 S16
S17 18 25 S17
S18 19 24 S18
GND 20
23 STB
LEVEL SHIFT & SHIFT REGISTER
CK 21
22 DATA
IC401, 501 TC9274N-015
VSS 1 42 VDD
S1 2 40 S1
S2 3 40 S2
S3 4 39 S3
S4 5 38 S4
S5 6 37 S5
S6 7 36 S6
S7 8 35 S7
S8 9 34 S8
S9 10 33 S9
18BIT 18BIT
LATCH LATCH
S10 11 32 S10
CIRCUIT CIRCUIT
(L-CH) (R-CH)
S11 12 31 S11
S12 13 30 S12
S13 14 29 S13
S14 15 28 S14
S15 16 27 S15
S16 17 26 S16
S17 18 25 S17
S18 19 24 S18
GND 20
23 STB
CK 21 LEVEL SHIFT & SHIFT REGISTER
22 DATA
IC601 TC9273N-013
VSS 1
S1 2
S2 3
S3 4
S4 5
S5 6
10BIT 10BIT
LATCH LATCH
S6 7
CIRCUIT CIRCUIT
(L-CH) (R-CH)
S7 8
S8 9
S9 10
S10 11
S11 12
GND 13
CK 14 LEVEL SHIFT & SHIFT REGISTER
IC642, 652 CXD9725M
TRIM VOLUME
VSS 1
0-+24dB/
1dB STEP
TRIM 2
5 to 25 DECODER 5 to 25 DECODER
&
LATCH CIRCUIT LATCH CIRCUIT
TRIM 3
TRIM 4
OUT 5
MAIN
VOLUME
0- –95dB/
0.5dB STEP
VRGND 6
4 to 13 DECODER 4 to 13 DECODER
&
LATCH CIRCUIT LATCH CIRCUIT
NC 7
4 to 16 DECODER 4 to 16 DECODER
&
VRIN 8 LATCH CIRCUIT LATCH CIRCUIT
NC 9
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CS1 10
CIRCUIT
GND 11
CLK 12
78 78
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
TRIM VOLUME
24 VDD
0-+24dB/
1dB STEP
23 TRIM
&
22 TRIM
21 TRIM
20 OUT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
19 VRGND
&
18 NC
&
17 VRIN
16 NC
15 CS2
14 LAT
13 DATA