Schematic Diagram - Main Board (1/6) - Sony HT-CT770 Service Manual

HT-CT770

5-11. SCHEMATIC DIAGRAM - MAIN Board (1/6) -

1
A
DGND
HDMI_MCK
DGND
HDMI_BCK
HDMI_LRCK
B
HDMI_SD3
HDMI_SD2
FFC1 HDMI_SD1
HDMI_SD0
>02S
DGND
HDMI_PCONT
HDMI
BOARD
HDMI_OUT_5VPWR
CN3009
(Page 33) HDMI_SPDIF
C
HDMI_MUTE
HDMI_INT
HDMI_SCL
HDMI_SDA
HDMI_RST
CEC
D
>01S
DGND
HDMI
DGND
BOARD
CN3005
DD6V
(Page 33)
E
HT-CT770
• See page 46 for Waveforms. • See page 46 for IC Block Diagrams.
2 3 4
MAIN BOARD (1/6)
CN3501
19P
JL3537
1
JL3538 R3730 47
HDMI_MCK
2
3
JL3539 R3731 47
HDMI_BCK
4
JL3540 R3732 47
HDMI_LRCK
5
JL3541 R3733 47
HDMI_D3
6
JL3542 R3734 47
HDMI_D2
7
JL3543 R3735 47
HDMI_D1
8
JL3544 R3736 47
HDMI_D0
9
10
JL3545 R3737 47
PCONT_HDMI
11
JL3546 R3738 47
HDMI_5VPWR
12
JL3547
HDMI_SPDIF
13
JL3548
RX_MUTE
14
JL3549 R3739 47
HDMI_INT
15
JL3550
HDMI_SCL
16
JL3551
HDMI_SDA
17
JL3552
HDMI_RST
18
JL3553
CEC
19
CN3502
5P
C3736
JL3554
E4V 1
E4V 2
JL3555
3
4
JL3556
5
5 6
L3502
2.2uH
IC3705
DC/DC CONVERTER
11
IC3705
RT8293ALZSP
C3733
0.1
10.4 1
BOOT
L3501 15.5 2
FB3504 10uH VIN
5.8 3
SW
4
GND
R3725
15k
C3731 C3732 C3730
0.1 10 10 10
36 36
7 8 9
HDMI_5VPWR
HDMI_INT
PCONT_HDMI
HDMI_RST
HDMI_SDA
HDMI_SCL
RX_MUTE
FB3502
CEC
HDMI_D0
HDMI_D1
C3734
0.1
HDMI_D2
8 3.5
R3729
SS
1k
JL3536
7 3.3 HDMI_D3
EN
6 1 HDMI_MCK
COMP
5 R3728 HDMI_BCK
C3735
FB 1k
0.022
HDMI_LRCK
HDMI_SPDIF
R3726
15k
R3727
4.7k
10
HDMI_5VPWR
HDMI_INT
PCONT_HDMI
>101S
HDMI_RST
HDMI_SDA
MAIN
HDMI_SCL
BOARD
(5/6)
RX_MUTE
(Page 40)
CEC
P_CONT2
HDMI_D0
HDMI_D1
HDMI_D2
>102S
HDMI_D3
HDMI_MCK MAIN
BOARD
HDMI_BCK
(2/6)
(Page 37)
HDMI_LRCK
HDMI_SPDIF
E12V
>103S
E4V
MAIN
BOARD
DGND
(6/6)
(Page 41)
DD6V
>104S
DD6V MAIN
BOARD
(2/6)
(Page 37)