Sony ZS-M7 Service Manual page 64

IC702 BA6898FP
28 27 26 25 24
LEVEL SHIFT
THERMAL
SHUT DOWN
REG VOLTAGE DOWN,
BIAS VOLTAGE DOWN,
THERMAL SHUT DOWN
LEVEL SHIFT
1 2 3 4 5
IC301 TDA7439D013TR
R IN3
1
G
R IN2 2
R IN1 3
0/30dB
2dB STEP
L IN1 4
L IN2 5
G
L IN3 6
INPUT
L IN4 7
MULTIPLEXER
GAIN
MUXOUTL 8
MUXOUTR 9
10
MIN (R)
MOUT (R) 11
BIN (R) 12
BOUT (R) 13
23 22 21 20 19
VCC VCC
DRIVER MUTE
MONITOR
6 7 8 9 10
SPKA ATT
LEFT
TCBUS
DECODER •
LATCH
VOLUME
TREBLE
MIDDLE
BASS
18 17 16 15
LEVEL SHIFT
LEVEL SHIFT
11 12 13 14
SPKA ATT
RIGHT
VREF SUPPLY
VOLUME
TREBLE
MIDDLE
BASS
– 105 –
28 R IN4
27 LOUT
26 ROUT
AGND
25
24 VS
23 CREF
22 SDA
21 SCL
20 DIG-GND
19 TREBLE (R)
18 TREBLE (L)
17
MIN (L)
16 MOUT (L)
15
BOUT (L)
14 BIN (L)