Sanyo DC-MCR350M Service Manual page 11

IC BLOCK DIAGRAM & DESCRIPTION
IC120 TC9462F (Digital Servo Processor)
80 79 78 77
DVSR 81
RO 82
DVDD 83
DVR 84
LO 85
DVSL 86
TEST1 87
TEST2 88
TEST3 89
BUS0 90
BUS1 91
BUS2 92
BUS3 93
VDD 94
VSS 95
BUCK 96
CCE 97
TEST4 98
TSMOD 99
RST 100
1 2 3 4
IC130 TA2092N (Power Driver IC for CD Player)
TERMINAL
SYMBOL
NO.
1 PW GND
2 OUT(-)1
3 PV
CC1
4 OUT(+)1
5 V
IN1
6 V
RI
7 V
CI
8 V
IN2
9 OUT(+)2
10 PV
CC2
11 OUT(-)2
12 PW GND
13 PW GND
14 OUT(-)3
15 PV
CC3
16 OUT(+)3
76 75 74 73 72 71 70 69 68
1 BIT
LPF
DAC
CLOCK
GENERATOR
ADDRESS
MICON
CIRCUIT
INTERFACE
16k RAM
CORRECTION
CIRCUIT
DIGITAL OUT
AUDIO OUT
CIRCUIT
5 6 7 8 9 10 11 12 13
FUNCTION
Power GND
Connected to substrate.
pin are connected inside.
1 12 13 24
Inverted output for CH1
Supply terminal of output stage for CH1
Supply terminal of output stage are not
connected to other channel terminal.
Non-inverted output for CH1
Input for CH1
Not biased inside.
Input reference voltage
Under condition of V 1.8V, internal
RI
bias circuit is shut off.
No signal input condition : V = V
R1
Output reference voltage
V = V = (V - V ) / 2
OUT CI CC F
Input for CH2
Non-inverted output for CH2
Supply terminal of output stage for CH2
Inverted output for CH2
Power GND
Power GND
Inverted output for CH3
Supply terminal of output stage for CH3
Non-inverted output for CH3
67 66 65 64 63 62 61 60 59
SERVO
CONTROL
DIGITAL
ROM
EQUALIZER
AUTOMATIC
ADJUSTMENT
RAM
CIRCUIT
CLV SERVO
SYNCHRONOUS
GUARANTEE
EFM DECODE
SUB CODE
DECODER
STATUS
14 15 16 17 18 19 20 21 22
TERMINAL
SYMBOL
NO.
17 V Input for CH3
IN3
18 S GND Supply terminal of small signal GND
19 S V Small signal GND
CC
20 V Input for CH4
IN4
21 OUT(+)4 Non-inverted output for CH4
22 PV Supply terminal of output stage for CH4
CC4
23 OUT(-)4 Inverted output for CH4
24 PW GND Power GND
PW GND
OUT( )1
PV
CC1
IN
OUT( )1
V
IN1
V
R1
V
C1
V
IN2
OUT( )2
PV
CC2
OUT(
PW GND
- 10 -
58 57 56 55 54 53 52 51
PWM
D/A
+
-
A/D
+
-
+
-
DATA
SLICER
VCO
+
PLL TMAX
-
23 24 25 26 27 28 29 30
FUNCTION
PW GND
OUT( )4
PV
CC4
OUT( )4
V
IN4
SV
CC1
SGND
V
IN3
OUT( )3
PV
CC3
OUT(
PW GND
50 VREF
49 TRO
48 FDO
47
TEZI
46
TEI
45 TSIN
44 SBAD
43 FEI
42 RFRP
41 RFZI
40 RFCT
39 AVDD
38 RFI
37 SLCO
36 AVSS
35 VCOF
34 VCOREF
33 PVREF
32 LPFO
31 LPFN