Schematic Diagram - Main Board (8/9) - Sony STR-KM22 Service Manual

STR-KM22/KM55/KM77
5-14. SCHEMATIC DIAGRAM – MAIN Board (8/9) –
1 2 3
A
MAIN BOARD (8/9)
B
>037S 57
MAIN BOARD
(5/9), (7/9)
(Page 27), (Page 29)
C
>036S 56
MAIN BOARD
(5/9)
(Page 27)
CL2804
3.3V 7
CL2805
GND 6
CL2806
PROG_VURX 5
PROGRAMMING JIG CL2807
D SCK 4
(HDMI KSV)
CL2808
PROG_VUTX 3
CL2809
RESET 2
CL2810
MD0 1
CN2801
7P
E
F
C2900 0.1
C2901 4.7
G
GND 14
CL2910
RESET 13
CL2909
3.3V 12
FB2901 0uH
CL2908
BTCTS 11
CL2907
BTRTS 10
CL2906
BTRX 9
CL2905
BTTX 8
BLUETOOTH
CL2904 R2900 100
MODULE
MUTE 7
H
GND 6
LCH_N
CL2903
LCH_N 5
CL2902 LCH_P
LCH_P 4
RCH_P
CL2901
RCH_P 3
RCH_N
CL2900
RCH_N 2
GND 1 CL2911
CN2900
14P
I
>022S
42
MAIN BOARD
(4/9)
(Page 26)
J
>051S
67
K
MAIN BOARD
(9/9)
(Page 31)
STR-KM22/KM55/KM77
• See page 19 for Waveforms. • See page 53 for IC Pin Function Descriptions.
4 5 6 7
NFC_SW
NFC_IRQ
NFC_DATA
NFC_SEL
NFC_RFDET
NFC_SPICLK
BT_RESET
UART_VURX_BTTX
VURTS_BTCTS
VUCTS_BTRTS
UART_VUTX_BTRX
BT_MUTE
3.3
0
Q2902
3.3
PMG85XP
+3.3V VOLTAGE
CONTROL
8 9 10 11
>052S
MAIN BOARD
(9/9)
(Page 31)
68 69 70
C2806
1000p
X2800
4MHz
R2806
1k
1.5 1.4 0 0 3.3 3.3 0
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26
R2853 100k
C2801 4.7
3.3
C2802 0.1
19 18
VCC
51
R2826 100 0
NFC_SW
52
R2827 100 1.3
NFC_IRQ
53
0
R2829 100
NFC_DATA
54
C2932 220p
NC
55
NC
56
0
R2828 100
NFC_SEL
57
R2825 100
NC
58
R2830 100 R2855 100k
NC
59
3.3
C2720 0.1
AVCC
60
C2800 0.1 3.3
AVRH
61
AVSS
62
63 NC
R2956 100 3.3
BT_RST
64
3.3
R2845 100
BT_VURX_BTTX
65
R2846 100 3.3
BT_VUTX_BTRX
66
3.3
R2847 100
BT_MUTE
67
0.1
R2848 100
VURTSOUT_BTCTS
68
R2961 100 0
VUCTSIN_BTRTS
69
R2802 10k
NC
70
0
PROG_VU_SCK
71
3.3
PROG_VUTX
72
3.3
PROG_VURX
73
0
BT_PCONT
74
RB2801
VSS
75
100
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
3.3 1 3.3 3.3 3.3
R2803 10k
R2801 10k
C2803 0.1
C2804 4.7
RB2800
R2810
10k 100
30 30
12 13 14
>029S
MAIN BOARD
(5/9)
(Page 27)
71 72 49 48
Q2800
LTC014EUBFS8TL
0
RESET SW
0
R2727
10k
C2813 C2814
0.1 4.7
D2801
R2814
CES521
10k
R2800 100
0 1.6 2 3.3 3.3 3.3 0 3.3 1.2 3.3 3.3 0 0 0 3.3
VSS
25
NC
24
NC
23
R2928
NC
22
NC
21
NC
20
NC
19
NC
18
NC
17
NC
16 R2929
IC2800
NC
15
MB9AF156NPMC-G-JNK1E2
NC
IC2800 14
NC
13
HDMI CONTROLLER
NC
12
0.1 R2924
APPLE_SDA
11
0.1 R2925
APPLE_SCL
10
0
APPLE_RST
9
NC
8
JL2802
TEST_SCL
7
TEST_SDA
6
JL2801
NC
5
NC
4
NC
3
C2816
NC
2 0.1
3.3
VCC
1
C2817
4.7
100
3.3 3.3 0 0 0 0 3.3 3.4 3.3 3.3 3.3 3.2
C2931
220p
C2815
100 10V
JL2811
FB2800
0uH
EXCEPT SAF, AR
15 16 17
C2926 C2925 C2924
10 10p 47p
2.2k R2926 47
IC2903
MFI337S3959
IC2903
APPLE AUTHENTICATION
5 NC 4
NC
0.1
2.2k R2927
6 APPLE_SCL NC 3
47
0
7 APPLE_RST APPLE_SDA 2
3.3 0.1
8 VCC GND 1
47
47 C2928
0.1
C2927 R2930
0.01 10k
D_GND
STBY_3.3V