Block Diagram - Yamaha YDS-12 Service Manual

A
YDS-12

■ BLOCK DIAGRAM

1
8 USB_VBUS
2
3
13 ACCPWR_IPD
4
18 RX_IPD
19 TX_IPD
5
30 IPOD_DET
27
28
21
22
23
6
29 A/V_RET
7
8
B C
IC6
Authentication IC
(+3.3V, UGND)
4 12 13 14
13 12 11
14
IC9
IC5
18
Microprocessor
17
(+3.3V, UGND)
2 9
IC4
IC3, 4
Multiplexer
(+3.3V, UGND)
AUDIO_L
AUDIO_R
S_Y
S_C
CVBS
AGND
D
+VCC
IC8
+3.3V
Regulator
UGND
MODE SWITCH
18K A
10K
B
10 MODE SWITCH DETECT
15
19
20
A
B
MAIN
SCHEMATIC DIAGRAM
E
F1
1
PWR+
DGND 8
DOCK_ID 21
SW1
ACCPWR_RCV 17
TX_RCV 14
RX_RCV 18
IPOD_DET
4
9
10
12
11
13
AUDIO_GND
15
→