Block Diagram - Yamaha CRX-140 Service Manual

A B

■ BLOCK DIAGRAM

1
CONNECTOR
→
SCHEMATIC DIAGRAM
iPod BOARD CONNECT BOARD
CRX-040 CRX-140
2
iPod AW
3
TUN_SCK,
4
TUN_MOSI,
TUN_N_CS,
TUN_MUTE,
TUN_N_ST
FM Tuner
L/R
11-14
+10V 85mA
1,10
U, T, K, G, L, V, J models
Input
2,9
Selector
3,8
IC256
5
L/R
+9.5A
4,7
DAB
5,6
I2C
DAB I/F BOARD
A, B models
6
Loader
Mechanism
Unit
T+/-, F+/-
8-11
8829C+313AAM
MAIN
7
SCHEMATIC DIAGRAM
C D
SUB (1)
→
SCHEMATIC DIAGRAM
VOLUME
Portable
Stand by/on
KEY0
INPUT
STOP
PLAY/PAUSE
OPEN/CLOSE
4.332MHz G model
IC251
VOL_RA
RDS
VOL_RB
LC72725
+3.3V 9mA
KEY0 74/97, P_SW 67
VOL_RA 80
RDS_SCK, RDS_MISO
RDS_RDY, nRDS_RST
SPI_4
nIPD_DET, IPAP_DET/AW_ON, IPD_ACC_EN/AW_SCLK
UART_5
IPD_MOSI, IPD_MISO
AW_RSV, AW_MODE
SPI__6
nAW_RST, nAW_INT, AW_TXRXSEL, nAW_CS, AW_REGION
+3.3V to +5V IC257
SPI_3
TUN_MISO, TUN_TUNED
IC254 +5V to +3.3V
CD_LSW0,1 60,61
CD_LOAD1,2, nDVR_MUTE
57,58,59 I2C_7
18,19
IC272
27,28
IC262
5-7
IC501
IC503
Driver
60,62,67,69 CD
+7.2V 300mA 25-28 Controller
+3.3D1 50mA
75-80 A/B/C/D/E/F
109 110
→
16.9344MHz
E F
Phones
FL/Driver
V801/IC801
IR
+3.3D 35mA
-21V 30mA
IC268
CB255
EEPROM
Writing port
+3.3M
EP_SDA, EP_SCL
83 75 77,78
12 nSYS_RST
SPI_8 UART_1 I2C_2
PWR_DET
20
PS1_PRT,
IC267 PS2_PRT
PS3_PRT
91,94,95
Microprocessor(M16C/64)
PRY_CTRL, IPD_PON,
40 CD_PON
55 nUSB_PON
3.3M 30mA
USB_DET
54,56
nUSB_FLG
CD_MOSI, SCK, CS
CD_SPEED, RST
SPI_0
CD_MISO
66 65 13 15 10 11
20MHz 32.768KHz
XL252 XL253
27 26,28
IC259
39-41,44-46
5,9
IC266
D-AMP
IC264
4, 7 D+,D-
5 +5U
IC504
IC101
3 1
USB
USB
+5.1USB
Controller 2 3
Current Limit IC
R5523N001A-TR-F
+3.3D1 50mA
+3.3CDRF
11 12 +3.3ABASE
12MHz
G H
USB
+5U -21V
D+ +3.3M
D- +3.3D
+14_FL
12_RY
S_6V
+3.3M IC270
Q269
AC_IN
Q102
+14S
Q110
AMPVCC
+14AMP Q106
+14_FL
-28V
-21D Q104
Speaker Out
SPEAKER
SOUT
+10I
+5I IC107
IPD_PON
+16V
+16D
+12A IC105
+7.2MTR
IC103
CD_PON
IC104
SUB (2)
+3.3D1
IC108
SCHEMATIC DIAGRAM
IC102
+3.3A
I J
CRX-040/CRX-140/NS-BP80
AC IN
SUB
Transformer
MAIN
PRY_CTRL
Transformer
→
55