Sony MAP-S1 Service Manual page 81

– AMP Board –
IC2001 NJW1194
INA1 1
INA2 2
INA3 3
INA4 4
GND 5
DCCAP_A 6
GND 7
OUTA 8
VDDOUT 9
DATA 10
CONTROL
CLOCK 11
LOGIC
LATCH 12
ZERO CROSS
GND 13
DETECTION
TONE_TR1A 14
TONE
TONE_BA1A 15
TONE_BA2A 16
IC2003 IRS2052M
36 35 34
NC 37
REFERENCE
CLIP2 38 VOLTAGE
COMP2 39
IN2 40 – OTA2
PWM
+
GND 41
VSS 42
UVAA
VAA 43
IN1 44 –
PWM
+
OTA1
COMP1 45
CLIP1 46
OCTS
PROTECTION
CSD 47
CONTROL OSCILLATION
NC 48
1 2 3 4 5 6 7 8 9
TONE
33 32 31 30
VCC
LOW SIDE SUB
UVCC
DEADTIME
2 2
SOFT SHUTDOWN
CONTROL
DEADTIME
1 1
CLOCK
10
32 INB1
31 INB2
30 INB3
29 INB4
28 GND
27 DCCAP_B
26 GND
25 OUTB
24 ADR1
23 ADR0
22 V+
21 V–
20 GND
19 TONE_TR1B
18 TONE_BA1B
17 TONE_BA2B
29 28 27
OVER
TEMPERATURE
OCL2
OCH2
GD
GD
OCL1
OCH1
MAP-S1
26 25
24 NC
GD 23 HO2
22 VB2
UVBS2
21 CSH2
20 LO2
19 COM2
18 VCC2
17 LO1
16 CSH1
UVBS1
15 VB1
GD 14 HO1
13 NC
11 12
81