Block Diagram -Amp Section - Sony HBD-DZ340K Service Manual

HBD-DZ340/DZ340K/DZ640K/DZ740
5-4. BLOCK DIAGRAM – AMP Section –
RF
SECTION
(Page 23)
SIGNAL PATH
: TUNER
HBD-DZ340/DZ340K/DZ640K/DZ740
ASDATA0
ASDATA1
ASDATA2
A
ABCK
ALRCK
BUFFER
IC3002
ACLK ACLK
2 4
SYSTEM CONTROLLER
IC5002 (4/5)
I2C_DATA_PRO
I2C_DATA_PRO
47
I2C_CLK_PRO
I2C_CLK_PRO 48
TAS_GPIO1
TAS_GPIO1 73
NS_INIT
DAMP_INIT 57
DAMP_MUTE
DAMP_MUTE 58
EN
DRIVE_RST(EN) 54
SD_PVDD_DET
SD/PVDD_DET 67
DC-DET
DC_DET 66
S-MASTER PROCESSOR
IC3001 (2/2)
FL
23 SDIN1 PWM3_RI 9
FL
22 SDIN2 PWM3_RD 8
FR
PWM3_LI 5
21 DSIN3
FR
PWM3_LD 4
25 SCLKIN
24 LRCLKIN
XTAL_OUT 86
X3001
24.576MHZ
26 MCLKIN
XTAL_IN 87
C
PWM2_RI 3
C
PWM2_RD 2
WF
99
PWM2_LI
WF
98
PWM2_LD
33 I2C_SDA
34 I2C_SCL1
36 GPIO2
39 /RESET
38 /MUTE
SL
PWM1_RI 97
SL
PWM1_RD 96
SR
PWM1_LI 93
SR
PWM1_LD 92
PVDD DOWN DETECT
+32.5V
Q3552
BUFFER EN
POWER
G
Q5002 SECTION
(Page 27)
26 26
DIGITAL POWER AMP
IC3100
6 PWM_A OUT_A 39
LPF
BST_A 43
8 PWM_B
OUT_B LPF
36
7 /RESET_AB BST_B
34
DC BALANCE
DETECT
5
/SD
Q3401
16 PWM_C OUT_C 31
LPF
BST_C 33
18 PWM_D
OUT_D
28 LPF
17 /RESET_CD
BST_D 24
DC BALANCE
DETECT
Q3302
DIGITAL POWER AMP
IC3300
6 PWM_A OUT_A 39
LPF
BST_A
43
8 PWM_B
OUT_B
36 LPF
7 /RESET_AB BST_B
34
DC BALANCE
DETECT
5 /SD
Q3202
16 PWM_C OUT_C 31
LPF
BST_C 33
18 PWM_D
OUT_D
28 LPF
17 /RESET_CD
BST_D 24
DC BALANCE
DETECT
D3551
Q3251
DIGITAL POWER AMP
IC3350
6 PWM_A OUT_A 39
LPF
BST_A 43
8 PWM_B
OUT_B
36 LPF
7 /RESET_AB BST_B
34
DC BALANCE
DETECT
5
/SD
Q3252
16 PWM_C OUT_C 31
LPF
BST_C 33
18 PWM_D
OUT_D 28
LPF
17 /RESET_CD
BST_D 24
DC BALANCE
DETECT
Q3201
DC BALANCE
FAN
PROTECT FAN14V
DRIVE
Q3551
Q3001 – 3002
TB3901
(+)
FRONT L
(–)
(+)
FRONT R
(–)
SPEAKERS
(+)
CENTER
(–)
(+)
SUBWOOFER
(–)
TB3002
(+)
SUR L
(–)
SPEAKER
(+)
SUR R
(–)
FAN3001
FAN MOTOR