Sony STR-DA5300ES Service Manual page 133

– E-VOL Board –
IC1203, 1213, 1223, 1233 CXD9725M-HFL
NC 1
TRIM VOLUME
VSS 2
0-+24dB/
1dB STEP
TRIM 3
5 to 25 DECODER
LATCH CIRCUIT
TRIM 4
TRIM 5
OUT 6
MAIN
VOLUME
0- –95dB/
0.5dB STEP
VRGND 7
4 to 13 DECODER
LATCH CIRCUIT
NC 8
4 to 16 DECODER
VRIN 9 LATCH CIRCUIT
NC 10
CS1 11
GND 12
CLK 13
NC 14
IC3514, 3517 TK73400AU3G0L-C
VCONT 1
ON/OFF
CONTROL
VIN 2
GND 3
VOUT 4
THERMAL &
–
OVER CURRENT
FB 5 +
PROTECTION
TRIM VOLUME
0-+24dB/
1dB STEP
5 to 25 DECODER
& &
LATCH CIRCUIT
4 to 13 DECODER
& &
LATCH CIRCUIT
4 to 16 DECODER
& &
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
VREF
28 NC
26 VDD
26 TRIM
25 TRIM
24 TRIM
23 OUT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
22 VRGND
21 NC
20 VRIN
19 NC
18 CS2
17 LAT
16 DATA
15 NC
IC3516 TK11150CSCL-G
IC3608 TK11118CSCL-G
IC3852, 3855 TK11125CSCL-G
5
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1 2
STR-DA5300ES
– D-VIDEO Board –
IC3508 SN74LV4052APWR
2Y0 1
2Y2 2
2-COM 3
2Y3
4
2Y1 5
INH 6
GND 7
GND 8
4
OVER HEAT &
OVER CURRENT
PROTECTION
–
+
3
16 VCC
15 1Y2
14 1Y1
13 1-COM
12 1Y0
11 1Y3
10 A
9 B
133