Schematic Diagrams - Yamaha CD-C600 Service Manual

A B C

SCHEMATIC DIAGRAMS

MAIN 1/2
1
2
To PU mechanism unit
3
CB1
1.7
3.3
2.0
1.9
4
1.9
1.9
1.8
2.0
0
1.9
0
0.2
3.2
3.3
3.3
3.4
5 CB4
6
CB2
7
0
3.0
3.4
3.2
3.3
0
CB3
To PU mechanism unit
8
9
POINT A XL1 (Pin 73 of IC2) POINT B XL2 (Pin 6 of IC7)
10
D E F
DIGITAL OUT
1.7
IC4
1.7
1.8
1.7 A
0
1.9 CD CONTROLLER
1.8
1.9
1.9
1.8
1.7
0
2.0
2.0
3.2
CD IN
3.3
2.5
1.7
0
1.9
2.5
0.2
0
0
0
0 4.0
7.2 3.3
1.3 3.3
1.2 1.7
3.3 1.7
1.7
3.3
1.7
3.4
0.4
3.2
0 0
3.0
1.0
0 0
3.4
0.3
3.2 0.3
7.2
1.7
7.2 1.7
1.7 1.7
1.7 1.7
1.7
1.7
ACTUATOR DRIVER
IC6: R5523N001A-TR-F
IC4: TC7SH08FU
High side switch IC
2-input AND gate
V IN 4 5 V OUT
IN B 1 5 V
CC
IN A 2
GATE CURRENT
EN 1
CONTROL LIMIT
GND 3 OUT Y FLAG
4
DELAY
3 FLG
UVLO
THERMAL
SHUTDOWN
2
GND
G H I
3.3
ANALOG OUT
3.3
1.7
0
1.7
1.7
1.2
0
0
0
0
3.3
0
3.3
0
3.3
3.3
3.3
3.2
3.3
3.2
0.6
0
3.3
IC1: LA6565-TE-L-E
Power amplifier 5-channel built-in
FWD 1
REV 2
VCCP2 3
VLO- 4
VLO+ 5
VO4+ 6
VO4- 7
VO3+ 8
IC8: MFI341S2161
VO3- 9
IC digital
Power System GND
-
FR
+
P4/IRQ
P3/IRQ
Vcc H8/300H
I/O port P2/IRQ
Vss MICROPROCESSOR
P1/IRQ
VO2+ 10
System control RNG
WDT
VO2- 11
FMU
Security logic Voltage monitoring circuit
Internal address bus
VO1- 12
ROM (112 kbytes)
Internal data bus
RES RAM (4 kbytes) VO1+ 13
Power-on
EEPROM (16 kbytes + 2 kbytes)
reset circuit VCCP1 14
Interval timer 1
VCCS 15
Power System GND
20 19 18 17 16
Interval timer 2
NC 1 15 NC
VIN1+ 16
On-chip 11k
Modular multiplication Register 2 14 +
oscillator P4/IRQ P3/IRQ -
coprocessor (512 bytes) -
+
NC 3 Top view 13 P1/IRQ VIN1- 17
RES 4 12 P2/IRQ
VIN1 18
Vcc 5 11 Vss
6 7 8 9 10
J K L
CURRENT LIMIT
SWITCH
IC6
0
3.3
0
2.4
3.3
0
3.3
3.3
USB INTERFACE
3.3
0
1.8
1.8
B
3.3
3.2
iPod/USB IN 0
3.2
0
3.2
0
3.3
3.3
3.3 3.3
3.3
3.3
0
0
0
0
IC2: LC786922E-01UY-E
CMOS LSI compact disc player IC
Unit
Resistance: ohm
Thermal Shutdown Signal System GND
36 SGND
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62
(LOAD output voltage setting)
35 VCONT
LPF CLOCK
MUTE EFMIN GENERATOR
34 MUTE1 1
Turns ON/OFF a CH1
PCM Output Control
corresponding CH
RFOUT 2
H: Output ON
CH2,3,4 33 MUTE234 Audio Output
L: Output OFF LPF 3 8FS DIGITAL FILTER/
44k SLICE 1 bit DAC Control
11k PHLPF 4 LEVEL
- 32 VIN4-
- CONTROL
+
+ AIN 5 Stream Control/Audio Input
To VREFOUT 31 VIN4
CIN 6 RF
Audio Control
- SIGNAL MUTE/DEEMPHASIS/ MP3, WMA,
BIN
+ 30 VREF_IN 7 PROCESSOR ATTENUATION CONTROL/ DECODER
BASS/TREBLE/
DIN 8 Memory
HFC Filter
MONITOR 1 M Bit
29 VREF_OUT
SLCISET 9
RFMON 10 VREF
28 REG_OUT
(VCC) SRC
VREF 11
REG_IN Power TES, HFL,
- INTERPOLATION MUTE
System
+ GND JITTC 12 DEFECT
FR System
REG_OUT EIN 13 ROM
ERROR CORRECTION Control
DECODER
JITTER
FIN 14
+
27 REG_IN Synchronization TEXT
- PCNCNT 15 APC
Detection DECODER MCU
EFM I/F
TE 16
26 VIN+OP
Demodulation
+ D/A
TEIN 17 SUBCODE
-
25 VIN-OP SERVO DECODER
LDD 18
A/D CONTROL
LDS 19
DOUT Control
24 VO_OP
AVSS 20 CD PLL PLL3
PORT CONTROL
23 VIN3
44k
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
11k - 22 VIN3-
-
+
+
44k To VREFOUT
21 VIN2
44k
20 VIN2-
11k
-
-
+
+
19 VIN2+
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
★ Schematic diagram is subject to change without notice.
M N
CD-C600
iPod/USB IN
CB6
0
0
0
0
0
Page 49 L4
to OPERATION (4)_W703
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
0
CB5
3.3
3.3
3.3
No replacement part available.
IC7: LC87F1HC8A-F5AL1-E
CMOS LSI
Interrupt control IR PLA
61
Standby control
FROM
CF USB PLL
LRSY
60
RC Clock
PC
59 DATACK
X'tal generator
58 DATA
57 TEST
SIO0 Bus interface ACC
56 STDATA
55 STCK
SIO1 Port 0 B register
STREQ
54
SIO4 Port 1 C register
53 MODE
52 CONT0
SIO9 Port 2
51 CONT1 ALU
Timer 0
50 CONT2 Port 3
49 SUB_READY0
Timer 1 Port 7
PSW
48 REG_READY0
47 RESB INT0 to INT7
Timer 4
Noise filter RAR
46 DO
Timer 5
UART1 RAM
45 DI
44 CL
Timer 6 Audio interface
Stack pointer
43 CE
42 DVSS Timer 7 ADC Watchdog timer
41 DVDD
Infrared remote
Base timer
control receiver circuit
Onchip debugger
40 PWM0
PWM1
USB host
and must be replaced
with parts having specifications equal to those originally installed.
47