Read Sony WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM Service Manual online
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
41
IC404 NJW1240V (TE2)
IN1 1
OUT1
32
+
MUTING
POP NOISE
SUPPRESSION
IN2 2
OUT2
31
+
MUTING
IN3 3
OUT3
30
+
MUTING
IN4 4
OUT4
29
+
MUTING
IN5 5
OUT5
28
+
MUTING
IN6 6
OUT6
27
+
MUTING
BIAS
MUTE 7
GAIN SELECT
6 dB/8 dB
NAGATIVE
VOLTAGE
REGULATOR
GAIN 8
V-OUT 10
REGCNT 11
CLK 14
V+REG 15
NC 16
NC 12
NC 13
NC 13
V-IN 9
FB
18
CP
19
NC
17
NC
21
GND
22
CN
23
MUTE_TC
24
V+A
25
GND
26
NC
20
IC603 BU33TD3WG-TR
IC681, 682 BU15TD3WG-TR
IC681, 682 BU15TD3WG-TR
2
GND
1
VIN
VOUT
5
VOLTAGE
REFERENCE
3
STBY
NC
4
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
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