Sony SA-ST9 - Page 72

HT-ST9
HT-ST9
7272
• Waveforms
– AMP Board –
3
IC7006 qa (MCLK)
1 V/DIV, 20 ns/DIV
40.2 ns
2.5 Vp-p
20.8 Ps
3.5 Vp-p
4
IC7006 ws (LRCLK)
1 mV/DIV, 10 Ps/DIV
5
IC7006 wd (SCLK)
1 V/DIV, 200 ns/DIV
324 ns
3.1 Vp-p
1
IC7001 2 (BOOT)
10 V/DIV, 1 Ps/DIV
890 ns
33.6 Vp-p
2
IC7003 1 (BOOT)
5 V/DIV, 1 Ps/DIV
1.9 Ps
17.6 Vp-p
• IC Block Diagrams
– AMP Board –
IC7001 RT7272BGSP
IC7003 RT7295CGJ6F
– POWER Board –
IC930 STR-Y6735
(US, Canadian and Taiwan models)
IC930 STR-Y6766B
(Except US, Canadian and Taiwan
models)
VIN8
RLIM
7
COMP6
FB5
SW
1
BOOT
EN
2
3
GND
4
VA
VA VCC

+
+

+
+

+

+

QS
RQ
VCC
VCC
0.8V
1.7V
1.2V
6
INTERNAL
REGULATOR
FOLDBACK
CONTROL
OSCILLATOR
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
CURRENT
COMPARATOR
SLOPE
COMP
CURRENT
SENSE
AMPLIFIER
UV
COMPARATOR
+

0.4V
UV
EA
SS
IC7006 TAS5538DGGR
IC7004, 7005, 7007, 7008 TAS5624ADDVR
IC7002 MM1836A33NRE
VOUT4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
COMPARATOR
SW
6
VIN
5
EN
4
BOOT 1
GND
FB
2
3
VIBIAS
VREF
PVCC
PVCC
GND SW
UGATE
LGATE
REGULATOR
VIN
DRIVER CONTROL
MIN OFF
+


PVCC
RIPPLE
GENERATOR
SW
OC
EN
ON-TIME
UV & OV
VIN
SW
GVDD_AB 1
VDD
2
OC_ADJ
3
RESET
4
INPUT_A 5
PVDD_CD
OUT_C
31
PVDD_CD
30
32
PVDD_CD
29
GND
33
INPUT_B 6
C_START 7
GND
9
GND
11
GND
10
GND
12
AVDD
13
INPUT_C 14
INPUT_D 15
OTW
17
PROTECTION
&
I/O LOGIC
+
–
+
–
+
–
TEMP
SENSE
STARTUP
CONTROL
AVDD
DVDD 8
DVDD
POWER-UP
RESET
CB3C OVER-LOAD
PROTECTION
UVP
GATE-
DRIVE
+
–
GATE-
DRIVE
GND
OUT_B
34
35
PVDD_AB
38
GND
42
GND
41
BST_A
44
BST_B
43
GATE-
DRIVE
PVDD_AB36
PVDD_AB
37
OUT_A39
OUT_A
40
OUT_D27
GND
26
GND
25
BST_C
24
BST_D
23
OUT_D28
PWM & TIMING
CONTROL
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
ANALOG
LOOP FILTER
PWM & TIMING
CONTROL
PWM & TIMING
CONTROL
PWM
RECEIVER
PWM
RECEIVER
PWM
RECEIVER
PWM
RECEIVER
PWM & TIMING
CONTROL
GATE-
DRIVE
CLIP 18
FAULT 16
M3
21
M2
20
M1
19
GVDD_CD 22
BST_X
GVDD_X
AVDD
DVDD
I2C SERIAL
CONTROL
INTERFACE
CLOCK, PLL,
AND
SERIAL DATA
INTERFACE
PWM_HPM_L
1
PWM_HPP_L
2
PWM_HPM_R
3
PWM_HPP_R
4
PLL_FLTM
6
PLL_FLTP
7
LRCLK
22
SCLK
23
SDIN1
24
SDIN2
25
SDIN3
26
SDIN4 27
VR_DIG
28
RESET
16
HP_SEL
17
PDN 18
MUTE
ASEL_EMO2 10
EMO1
15
DVDD2_CORE
14
DVSS2_CORE
13
AVDD
9
VR_ANA 8
OSC_RES
12
MCLK 11
19
SDA 20
AVSS
5
DEVICE
CONTROL
DIGITAL
AUDIO
PROCESSOR
POWER
SUPPLY
SCL
21
AVSS_PWM51
AVDD_PWM
50
PWM_P_1
39
PWM_M_1
38
PWM_P_241
PWM_M_2
40
PWM_P_3
43
PWM_M_342
PWM_P_4
45
PWM_M_4
44
PWM_P_7
47
PWM_M_746
PWM_P_8
49
PWM_M_848
PWM_P_554
PWM_M_5
53
PWM_P_656
PWM_M_6
55
LRCLKO31
SCLKO
30
PSVC33
VALID
37
TEST
32
SDOUT29
VR_RWM
52
DVSS1_CORE36
DVDD1_CORE
35
BKND_ERR34
PWM
SECTION
D/ST 1
S/OCP
2
VCC
3
GND
4
BD
6
FB/OLP
5
STARTUP
LOGIC
DRIVER
LATCH
OVERCURRENT
PROTECTION/
BOTTOM-SKIP
UNDER VOLTAGE
LOCK OUT/
REGULATOR/
CONSTANT CURRENT
FEEDBACK/
STANDBY
OVERLOAD
PROTECTION
BOTTOM
DETECTION
NF 7
OSCILLAOTR
Ver. 1.1