Read Sharp CD-C607H (serv.man4) Service Manual online
CD-C607H/611H
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IC701 RH-iX0283AWZZ:System Microcomputer (IX0283AW) (1/2)
1
VDD
VDD
—
(+) POWER SUPPLY
2*
P37
ENA
Output
DOLBY PROLOGIC ENABLE TERMINAL
3
P36
DO
Input
DATA INPUT
4
P35
DI
Output
DATA OUTPUT
5
P34
CE
Output
CE OUTPUT
6
P33
CLK
Output
CLOCK OUTPUT
7*,8*
P32, P31
LCK1, LCK2
Output
9
P30
CD DSP RWC
Output
CD DSP READ WRITE CONTROL
10
RESET
RESET
Input
RESET
11
X2
X2
Output
CLOCK
12
X1
X1
Input
CLOCK
13
Vpp
VPP
—
POWER SUPPLY TERMINAL
14*
XT2
XT2
—
OPEN
15
P04
WRQ
Input
CD DSP WRITE REQUEST
16
VDD
VDD
—
(+) POWER SUPPLY
17
P27
PCCL
Output
CD DSP PCCL
18
P26
COIN
Outout
CD DSP COMAND
19
P25
SQOUT
Input
CD DSP CODE Q OUT
20
P24
CQCK
Output
CD DSP CLOCK
21
P23
CD DSP RES
Output
CD DSP RESET
22
P22
FRF (DRF)
Input
CD RF LEVEL DETECTION
23
P21
SLD+
Output
CD SLIDE MOTOR +
24
P20
SLD-
Output
CD SLIDE MOTOR -
25
AVss
AVSS
—
ANALOG GROUND
26
ANI7
SPEANA3
Input
SPEANA DATA INPUT 16 KHz
27
ANI6
SPEANA2
Input
SPEANA DATA INPUT 1 KHz
28
ANI5
SPEANA1
Input
SPEANA DATA INPUT 63 Hz
29
ANI4
TUN SM
Input
TUNER SIGNAL METER INPUT
30
ANI3
T2 RUN
Input
TAPE2 RUN PULSE INPUT
Port Name
Terminal Name
Pin No.
Input/Output
Function
IC2 VHiLC78622N-1: Servo/Signal Control (LC78622N) (2/2)
Function
Terminal Name Input/Output
50*
SFSY (NC)
Output
Output terminal of synchronous signal of subcode frame. It drops when subcode stands by.
51
SBCK
Input
Clock input terminal to read subcode. Schmit input (Connected to 0V when not used.)
52*
FSX (NC)
Output
Output terminal of synchronous signal of 7.35kHz divided from quartz oscillation.
53
WRQ
Output
Output terminal to stand by output of subcode Q.
54
RWC
Input
Input terminal of read/write. Schmit input.
55
SQOUT
Output
Output terminal of subcode Q.
56
COIN
Input
Command input terminal from microcomputer.
57
/CQCK
Input
Clock input terminal to fetch command input, or pick up subcode from SQOUT. Schmit input.
58
/RES
Input
Reset input terminal of LC78622. When turning on power, set it at "L".
59*
TEST11 (NC)
Output
Output terminal for test. Used in the open state ("L" output as ordinary).
60*
16M (NC)
Output
Output terminal of 16.9344Hz.
61
4M
Output
Output terminal of 4.2336MHz.
62
TEST5
Input
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
63
/CS
Input
Chip selection input terminal. Pull-down resistor is integrated.
Connected to 0when not controlled.
Connected to 0when not controlled.
64
TEST1
Input
Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
Pin No.
Note: The same potential must be supplied to the power terminals (VDD, VVDD, LVDD, RVDD, XVDD).
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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