Sony TAV-L1 Service Manual page 120

TAV-L1
IC7301 NJW1149AFH1
64 63 62 61 60 59 58
TS12 1
TS13 2
TS14 3
SPACE1 4
TRU
SURROUND
SPACE2 5
CENTER
6
VREFO 7
AGC
VOL1
EALAFIL 8 EALA
BBE1A 9
BBE
BBE2A 10
TONE-HA
11
TONE
TONE-LA 12
OUTA 13 VOL2
LFINA
14
BUFFER
LFOUTA
15
AGC 16
17 18 19 20 21 22 23
IC7405 CD4052BNSR
2X0 1
2X2 2
2XCOM 3
2X3 4
2X1 5
INH 6
VEE 7
VSS 8
120
57 56 55 54 53 52 51 50 49
+
-
I2C BUS
VOL1
INTERFACE
BBE
TONE
VOL2
BUFFER
BIAS
24 25 26 27 28 29 30 31 32
16 VDD
15 X2
14 X1
13 XCOM
12 X0
11 X3
10 A
9 B
48 ATTC
47 TS31
46 TS32
45 TS33
44 CTS1
43 CTS2
42 NC
41 CSR
40 BBE1B
39 BBE2B
38 TONE-HB
37 TONE-LB
36 OUTB
35 LFINB
34 LFOUTB
33 CBH
IC8501 PQ1CZ41H2ZPH
VOLTAGE
REGULATOR
PWM COMPARATOR
OVERCURRENT
DETECTION
CIRCUIT
OVERHEAT
DETECTION
CIRCUIT
1 2
ON/OFF
CIRCUIT
+ SOFT START
–
–
Q
+
R OCSILLATION
ERROR
S
AMP
3 4 5