Block Diagram - Yamaha CRX-330 Service Manual

A B

■ BLOCK DIAGRAM

1
2
MAIN
→
SCHEMATIC DIAGRAM
3
TUN_SCK,
TUN_MOSI,
TUN_CS
FM Tuner
TUN_MUTE
L/R
+10V 85mA
4
5
MAIN
6
SCHEMATIC DIAGRAM
7
C D
iPod USB
VOLUME
KEY0
KEY1
+5U
STANDBY/ON
+D
+5I
-D
4.332MHz
Vol_RA
13 14
Vol_RB
G model
RDS IC201
FL_SCK,
LC72725
FL_MOSI,
+3.3V 9mA
RDS_SCK
KEY0 97
RDS_MISO
KEY1 95
RDS_RDY
STANDBY/ON 74
RDS_RST
VOLUME 71,72
SPI_4
IPD_DET,IPAP_DET
UART5
IPD_MOSI,IPD_MISO
+3.3V to +5V
IC204
SPI_3
TUN_,MISO,TUNED,TUN_ST
IC202 +5V to +3.3V
CD_LSW0,1
42,43
CD_OPEN,CD_CLOSE,
49,50
I2C_7
2,9
18,19
3,8
Input
Selector
27,28
L/R
IC203
5,6
+9.5A
→
CD_OPEN
Loader CD_CLOSE
5,6
Mechanism
Unit
IC214
60,62,67,69 Controller
T+/-, F+/-
Driver
8-11
25-28
+3.3D 50mA
+7.2V 300mA
8829C+313AAM
75-80
A/B/C/D/E/F
109
16.9344MHz
E F
IR
+3.3S 35mA
FL/Driver
-23V 30mA
PHONES
V801/IC801
-23V
+3.3M
+3.3S
+15D_FL
Writing port IC208
EEPROM
+3.3M
EP_SCL,EP_SDA
85 75 29,30
UART1 I2C_2 79
3.3S_PON
CPU_N_RST
12
PWR_DET
PS1_DET,PS2_DET
IC211
PRY_CTRL,FL_PON,IPD_PON
Microprocessor (M16C/64)
USB_N_PON
USB_DET
+3.3M 30mA USB_N_FLG
CD_MOSI,SCK,SCS,
CD_RST
SPI_0
CD_MISO
20MHz
27 26,28
D-AMP
D530
IC207
5,9 17,20,41,44
IC210
+15V
IC205
IC208,209
UART
+5U
IC217 4,6 D+,D-
USB
CD
5
1
3
USB
USB
Current Limit IC
UART
Controller 2
3
R5523N001A-TR-F
+3.3D 50mA IC220
110
IC218
G H
POWER
→
SCHEMATIC DIAGRAM
+12RY
+3.3M
S_6V
+3.3S
IC222 IC212
-23V -32D
-VP
Q222-225
FL_PON
IPD_PON
+5I
+8I
IC213
+9.5A
+12A
Q206
IC13
+5A,+5D
Q204
AMPVCC
+15D_FL
Speaker Out
SPEAKERS
L/R
+15AMP
+3.3D
+3.3D
IC11
Sub Woofer Out
POWER
+7.2V +15V
+7.2MTR
+5V
+5.1USB IC221
+3.3D
+3.3D_CN2
+3.3CDRF
+3.3A
I J
CRX-330/NS-BP110/NS-BP100
SUB-
Transformer
T1
AC IN
PRY_CTRL
MAIN
Transformer
T2
→
SCHEMATIC DIAGRAM
... Power supply
... Analog audio signal
49