Block Diagram - Yamaha CD-C600 Service Manual

A B

■ BLOCK DIAGRAM

1
Analog Output Section
OPERATION (9)
SCHEMATIC DIAGRAM
ANALOG OUT
Lch Rch
Q601-604
2
Mute Control
1
IC602 IC601
3dB AMP 3dB AMP
LPF LPF
6
PU Mechanism Unit
3
A, B, C, D, E, F
OPU
Spindle
Feed
Focus
Limit SW
Tracking
4
Disc Tray Ass'y
TBL_POS (IC501), OPEN/CLOSE SW (SW502), UP/DOWN SW (SW501)
LOADING
2
M
10
Tray Open/Close Driver
DISC CLAMP
9
M
Clamp Up/Down
GND
5
TRAY ROTATE
9
M
Tray Open/Close Driver
GND
Disc Changer Control Section
OPERATION (5) – (8)
6
7
C D
→ MAIN
SCHEMATIC DIAGRAM
1
A+5, A-5
Audio Section
6
IC302
Audio DAC
PCM1780DBQR
IC2
CD-Controller
LC786922
72
XL1
16.9344MHz
IC1
6-13
Actuator Driver
LA6565
IC502
5,6
TA7291P
6,7
IC503
LA6510-E
3,4
→
SCHEMATIC DIAGRAM
AC IN
E F
→
DIGITAL OUT
OPTICAL
U301
P_MUTE
IC309
SW Buffer
IC4
7 43 45,4614
CS, SCL, SDA
IC305
Microprocessor
R5F212CASNFP
69
47 RES_DSP 51
S_RDY, R_RDY, CD_MUTE
73 32 10 12 79 32
XL301
10MHz
IC304
EEPROM
LE24C023M
D+5V
RY801
Relay Switch
F801 SW801
POWER ON/OFF
G H
Front Section
OPERATION (1) – (4)
REMOTE CONTROL
RS-232C IN OUT
CB308 JK301 JK302
IC308
Photo
Coupler
IC307
232C Driver
IC313
IR
REM
15
16-19 FL_CS, FL_CLK, FL_DATA, FL_RST
54-60 KEYxxxx
70-73 LEDxxxx
S+3.3
IC8
Apple Authentication
MFI341S2161
9
IC306
Reset IC
/RESET
33,34
USB_TX, USB_RX etc. 44,45
IC7
D+3.3V
USB Interface
RES_USB 2
LC87F1HC8A
37,38 D+, D-
67
XL2
12MHz
USB+5V VCC
IC301 IC6
+B2
DC-DC Converter Current Limit
BD9870FPS-E2 Switch
IC303
D+3.3V
T851 D851
IC851
S+3.3
C817
-B1
T801 D805, 806, 809, 810
C816
+B1
C813,C835
M+7
D807, 808
Q801
FL -28V
D807, 808
Q806
P_MUTE
Power Supply Section
OPERATION (10) – (14)
FL AC+/-
Power Transformer
I J
CD-C600
→
SCHEMATIC DIAGRAM
U701
IR Sensor
V701
FL Display
SW701–SW713
Panel Keys
D701-703
Indicators
CB705
iPod/USB
IC803
A-5
IC802
A+5
IC801
D+5
→
SCHEMATIC DIAGRAM
37