Read Sony SA-TSS1 Service Manual online
SA-TSS1
SA-TSS1
12
12
• IC Block Diagrams
– MAIN Board –
IC303 TPA3110D2PWPR
IC303 TPA3110D2PWPR
IC304 NJU7181RB1 (TE2)
IC306 BD00GA3WEFJ-E2
LINP 3
SD 1
LINN 4
–
+
+
+
–
PLIMIT
PWM
LOGIC
UVLO/OVLO
THERMAL
DETECT
BLASES AND
REFERENCE
REFERENCE
STARTUP
PROTECTION
LOGIC
DC DETECT
SC DETECT
PGND
24
BSPL
OUTPL
26
PVCCL
27
PVCCL
28
25
GATE
DRIVE
AGND 8
GAIN
CONTROL
–
+
+
+
–
+
–
–
–
+
+
PVCCL
PVCCL
GVDD
BSNL
OUTNL
22
23
GATE
DRIVE
RAMP
GENERATOR
PLIMIT
REFERENCE
PVCCL
PVCCL
GVDD
RINN 11
RINP 12
NC 13
PBTL 14
–
+
+
+
–
PLIMIT
PWM
LOGIC
PLIMIT 10
AVCC
AVDD
GVDD
GVDD
7
GAIN1 6
GVDD 9
PGND
19
BSNR
OUTNR
21
20
GATE
DRIVE
GAIN
CONTROL
–
+
+
+
–
+
–
–
–
+
+
PVCCL
PVCCL
GVDD
BSPR
OUTPR
17
PVCCR
16
PVCCR
15
18
GATE
DRIVE
PVCCL
PVCCL
GVDD
TTL
BUFFER
TTL
BUFFER
GAIN
CONTROL
LDO
REGULATOR
GAIN0 5
FAULT 2
CAP_D
5
RES_D
6
V+
8
OUT
7
IN
1
AMP_OUT
2
TRIN
3
GND
4
LEVEL
DETECTOR
DELAY
LATCH
CLR
D
+
–
–
L
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
IC307 NJM2762RB2 (TE2)
IC901 PST8460UL
GND
10
SW
7
INB
8
OUTB
9
INA 3
OUTA 2
V+ 1
VREF 5
INT 4
ON/OFF
SENSE
6
SENSE
VREF
VREF
VREF
LIMITER
LEVEL
GND 1
VDD 2
+
–
–
VREF
OUT
4
CD
3
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