Sony KDS-70Q006 Service Manual page 24

BLOCK DIAGRAM (6)
IC7006
LB ERROR
SW_5V 2 VCC OUT
IC7004
NVM
DAT 5
CLK 6
WP 7
SA0 8
D7011
W_MUTE
D7006
Q7010,7014,
7018
DELAY
SP_MUTE
D7004
L_MUTE
AC_DET
AC_RLY
Q7006,7009 IFG_BINT
BUFFER
Q7005,7007,
7008
OVP I/F
ANT_S
ANT_M
D_OVP_M
AD_MUTE
HDMI_RST
ATSC_RST
VUSB
UDM
UDP
SUB_HIN
MAIN_HIN
I_SAP
O_SAP
FMONO
AGC_ATT
AFT_SUB
AFT_MAIN
CCDH_M
ATSC_OVP
B_INT
DIC_RST
TO
I2C-I/F
9
DSU BOARD
(3/4)
TO
4 SYS-CTL
DSU BOARD
(1/4)
TO
5 I2C-IF
DSU BOARD
(1/4)
IC7002 (2/2)
SYSTEM CONTROL
KEY1
I_KEY1 37
PCSTBY
PCSTBY_LED 149
PICOFF
O_PICOFF_LED 46
TIMER
O_TIMER_LED 119
STBY
O_STBY_LED 120
POWER
1 129 I_LB_ERROR O_POWER_LED 117
LAMP
LAMP_ERR_LED 153
ISTBY
O_STBY_LED 118
I_SIRCS 86
109 IO_BDAT
107 IO_BCLK
I_POWER_KEY 104
106 O_NVM_PR
Q7019 KEY_WAKE 91
105 O_NVM_RST
Q7021
RXD_ATSC
I_RXD_ATSC 111
TXD_ATSC
I_TXD_ATSC 112
USER_TXD
USER_TXD 131
USER_RXD
USER_RXD 130
BUSY
O_AD_RST / O_MSP_RST
50
MD2
MD2 73
SI0
SI0 80
SO0
SO0 81
SCLK0
SCK0 82
IO_SDAT 110
IO_SCLK 108
145 O_SWFR_MUTE
143
O_SP_MUTE
147 O_LMUTE2
52 O_PF_BINT O_BUS_SW1 48
Q7020
76 O_AC_RLY
126 I_DOVP
TRSTX 61
55
O_ANT_S I_RESET 75
54 O_ANT_M
146 O_AD_MUTE
Q7012
141 O_HDMI_RST
Q7004
142 O_ATSC_RST
POW_CTL 79
Q7015,7017
136 I_USB_DET
Q7003
159 UDM
160 UDP
90 I_SUB_HIN
89 I_MAIN_HIN
121
I_SAP
125 O_SAP
53 O_FMONO
78 O_AGC_ATT
40 I_AFTSUB
39 I_AFTMAIN
2 MAIN_H_SYNC
127
I_ATSC_OVP
D7000
40 I_BINTN
47 O_PTE_RST
CN4202
STBY_5V 2 STBY_5V
KEY1
4 KEY1
6 P_ON
SW_5V 9 THRU_5V
10 STBY_5V
11 SIRCS
PCSTBY
12 PCSTBY_LED
PICOFF
13 PICOFF_LED
TIMER
14 TIMER_LED
STBY
15 STBY_LED
POWER
16 POWER_LED
LAMP
19 LAMP_ERR_LED
ISTBY
21 ILINK_LED
I2C_SDA
25 SDA
I2C_SCL
26 SCL
SIRCS
Q7025
BUFFER 30 KEY
NC
GATE
Q7022,7024 Q7002
CN7002
STBY_3.3V 1 STBY3.3V
AD_RST
2 RESET
3 MD2
MD2
4 BUSY3
SI0
6 SI0
SO0
7 SO0
SCLK0
8 SCLK0
I2C_SDA
Q7011,7013
I2C_SCL
LEVEL SHIFT
IC7005
BUS SWITCH
I2C_SDA_X
9 8
I2C_SCL_X
11 10
I2C_3.3_SDA
1 2
I2C_3.3_SCL
3 4
5,6,12,13
IC7003
RESET
1.2V
RST VCC
4 5 SW_3.3V
D4000 Q4000
SWITCHING
POW_CTL
1.8V
D4001 Q4001
SWITCHING
DIC_A_1.8V
DSU (4/4) SYSTEM CONTROL
– 23 –
K
S601
POWER
P_ON 5
IC1600
P_SW(-) 4 NC
SIRCS 3
OUT
BUSY_5V 2
SW_5V
H5 SIRCS
SW_5V 1 SW_5V
STBY_5V 2 STBY_5V
PCSTBY_LED 3 NC
TIMER_LED 4
R
Q7011,7013 D1205
STBY_LED 5
Q1205,1206
POWER_LED 6 POWER / STANDBY
LED DRIVER
G
REC_LED 7
D1202
LAMP_LED 8
Q1202
LED DRIVER
ILINK_LED 9 TIMER
D1203
Q1203
LED DRIVER
LAMP
R
D1204
Q1204
LED DRIVER
i.STANDBY
G
H3 STANDBY LED
IC4000
DC/DC CONVERTER
14 PH VIN 1 SUB 6.5V
15 PH VIN 2
13 LSG
9 VSENSE
8 COMP ENA 7
IC4001
DC/DC CONVERTER
14 PH VIN 1
15 PH VIN 2
13 LSG
9 VSENSE
8 COMP ENA 7
D4013
IC7700
+1.8V
4 5 SW_3.3V
REG
KDS-70Q006
RM-Y914