Sony STR-KM77 - Schematic Diagram - MAIN Board (9;9)

STR-KM22/KM55/KM77
STR-KM22/KM55/KM77
3131
5-15. SCHEMATIC DIAGRAM – MAIN Board (9/9) –
• See page 19 for Waveforms. • See page 47 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
0 0 0 1.7 3.4
5.2
0.8
3.4
3.4
1.5
1.5
3.4
3.3
3.3
0
1.6
5.3
3.2
3.4
1.7 3.4 3.3
3.4
3.2
5.3
0.5
3.2
6.2
3.4
3.4
3.4
1.7
3.3
3.4
0 0 0 0 0
16
17
C2718 68p
C2701
2.2
C2719 68p
C2717
10
C2707 10
C2700
0.1
0.1
C2716
C2703
10
C2709
1000p
C2702 2.2
C2714 0.1
C2704
0.1
C2705
10
C2715 0.1
0.1
C2805
C2713 9p
0.1
C2810
1000p
C2807
1000p
C2808
C2708
0.1
C2706
0.1
C2710 0.1
C2712 9p
C2711 220 6.3V
CL2710
CL2711
JL2702
JL2705
JL2700
JL2707
CL2708
CL2709
JL2701
JL2703
JL2704
JL2706
5P
CN2700
GND1
D+2
D-3
VBUS4
GND5
CES521
D2803
CES521
D2802
CES521
D2702
D_GND
3.3V
+6V
FB2902
0uH
FB2900
0uH
DVSSIO_1
RESETX
TMODE
KEY_COL1/IRPTO
KEY_COL2/SEARCH
KEY_COL3/MCHNG
KEY_ROW1/BUSY
KEY_ROW2/SCL
KEY_ROW3/SDA
DVDD_M
DVSSIO_11
DVDDIO_12
TEST1
XIN_PLL
XOUT_PLL
SEL_APLAY/TEST2
SEL_COD/TEST3
SEL_SLAVE
AVDDC
AVSSC
USB_DM
USB_DP
REXTI
LED_ERROR/CLK24MI
LED_PLAY/LRCK/SPDIF
LED_PSD/BCK
LED_PUSB/DATA
LED_REPEAT/MCLK
DVDDIO_29
AMUTE
DAVSS
RDACO
VCDACO
LDACO
DAVDD
SD_CON
SD_DO
SD_CLK
SD_DI
SD_CS
USB_PCONT
USB_OVC
USB_RESET
USB_SCL
USB_SDA
USB_MCHNG
USB_SEARCH
USB_IRPTO
USB_BUSY
LTC014EUBFS8TL
RESET SW
Q2901
R2701 10k
10k
R2811
R2721 330
R2703
68k
10k
R2813
R2713 10k
R2726
560k
R2704
4.7k
R2708
10k
R2722
100
R2719 330
R2705
12k
R2716
1.5k
R2712 10k
R2715 12k
1k
R2808
R2717
1M
R2724
470
R2710
10k
R2714 10k
R2707 1k
R2709
10k
R2706
100k
R2711 10k
R2725
150k
R2702
0
GND
VDDCT
VOUT
IN
GND
EN
FAULT
ILIM
OUT
VO FB GND NC_4
EN
NC_6 NC_7
VCC
D2700
D2701
16.9344MHz
X2700
USB_SPDIF
MU_RST
PROG_VU_RST
3.3kR2718
3.3kR2720
4
3
1
2
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
9 8 7 6 5 4 3 2 1
21 22 23 24 25 26 27 28 29 30
IC2700
BU94502AMUV
USB AUDIO DECODER
IC2700
IC2701
BD00HC5WEFJ-E2
+5V REG
(USB-VBUS)
IC2701
IC2702
TPS2553DBVR
OVERLOAD CONTROL
IC2702
5
1
2
3
6
5
4
678
4321
IC2803
BU4229F-TR
RESET
IC2803
67
52
68
70
69
71
72
66
64
BRIDGE_RY
SB_LR_RY
SW_RY
LR_RY
C_SURR_RY
PROTECT
BAV70
D2307
BAV70
D2306
DA2J10100L
D2305
PROTECT
SW_RY
BRIDGE_RY
C_SURR_RY
LR_RY
SB_LR_RY
65
41
>051S
MAIN BOARD
(8/9)
(Page 30)
>053S
FRONT USB
BOARD
CN106
(Page 41)
>020S
MAIN BOARD
(3/9)
(Page 25)
>048S
MAIN BOARD
(7/9)
(Page 29)
>032S
MAIN BOARD
(5/9)
(Page 27)
>047S
MAIN BOARD
(7/9)
(Page 29)
>049S
MAIN BOARD
(7/9)
(Page 29)
>052S
MAIN BOARD
(8/9)
(Page 30)
MAIN BOARD (9/9)
CN2801_MD0
IC2800_MD0
IC2800_MU_RST
IC2800_INTX
STBY_3.3V
EXCEPT SAF, AR
Note: IC2700 on the MAIN board cannot exchange with single.
When these parts on the MAIN board are damaged, ex-
change the entire mounted board.
Ver. 1.1