Sony MEX-DV1000 Service Manual page 43

IC307 BD3434K-E2
44 43
+
–
AGNDE 1
INAFL 2
INAFR 3
AGND1 4
INAC 5
INASW 6
AGND2 7
INARL 8
INARR 9
AGND3 10
INBFL 11
12 13 14 15
IC405 NJM2387ADL3 (TE2)
OVER VOLTAGE
PROTECTION
BANDGAP
REFERENCE
ON/OFF
CONTROL
1 2
IC503 S-1132B33-U5T1G
VOUT 1
OVERCURRENT
PROTECTION
+
–
VSS 2
REFERENCE
VOLTAGE
NC 3
SWITCHING
FRONT INPUT
SELECTOR
FRONT
INPUT
GAIN
(0, 6, 12 dB)
REAR
INPUT
GAIN
(0, 6, 12 dB)
REAR INPUT
SELECTOR
16 17 18 19 20 21
REGULATOR
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
3
ON/OFF
CONTROL
42 41 40 39
SOFT
POWER
VCO
SUPPLY
VOLUME
MIXING
ON/OFF
+
VOLUME
+
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
4 5
5 VIN
4 ON/OFF
MEX-DV1000/DV2000
38 37 36 35 34
DIGITAL
CONTROL
33 OUTBRR
32 OUTBRL
31 OUTBSW
OUTPUT
GAIN B
(0, –4.5 dB)
30 OUTBC
29 OUTBFR
28 OUTBFL
27 OUTARR
26 OUTARL
25 OUTASW
OUTPUT
GAIN A
(0, +2.5 dB)
24 OUTAC
23 OUTAFR
22
43