Read Sony CDP-CX55 Service Manual online
— 31 —
VCC
MUTE
VINL
VGL
VO1
VO2
VCC
VIN4
VG4
VO8
VO7
VREF
11k
Ω
11k
Ω
11k
Ω
11k
Ω
1
1
2
3
4
5
6
VO3
VO4
VG2
VIN2
REG OUT
REG IN
7
8
9
10
11
12
24
23
22
21
20
19
VO6
VO5
VG3
VIN3
CD
RES
18
17
16
15
14
13
+
-
+
-
LEVEL
SHIFT
LEVEL
SHIFT
BTL
DRIVER
BTL
DRIVER
BTL
DRIVER
BTL
DRIVER
LEVEL
SHIFT
LEVEL
SHIFT
REGULATOR
RESET
Vcc
IC103 LA6541
IC201 LA5602
VIN
EN
CDEL
GND
RES
CN
VOUT
1
2
3
4
REFERENCE
VOLTAGE
ERROR
AMP
OVER CURRENT
LIMITTER
OVER HEAT
PROTECTION
ON / OFF
RESET
GEN
5
6
7
IC104 LC89170M
1
2
3
4
5
6
7
8
9
10
14
13
12
11
VDD
DQSY
SRDT
SCLK
SW2
SW1
TEST
EXCK
SBSO
SCOR
WFCK
MCK
XMODE
GND
32 WORD X 8 BIT
DUAL PORT RAM
DUAL PORT RAM
TIMING
&
SYNCHRONIZATION
SIGNAL
PROTECTION
CRC
CHECKER
CPU INTERFACE
VDD
IC203 LA5601
VIN
EN
VO
CN
VOD
1
10
9
6
7
8
2
3
4
V.REF
RESET
5
ON/OFF
GND
CD
RES
VOMUTE
VID
AMP
AMP
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