Sanyo CWM-460, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
Terminal
No. Terminal
symbols
I/O
43 XVDD
-
44 XOUT
O
45 XIN
I
46 XVSS
-
47 SBSY
O
48 EFLG
O
49 PW
O
50 SFSY
O
51 SBCK
I
52 FSX
O
53 WRQ
O
54 RWC
I
55 SQOUT
O
56 COIN
I
57 *CQCK I
58 *RES
I
59 TST11
O
60 16M
O
61 4.2M
O
62 TEST5
I
63 *CS
I
64 TEST1
I
Input terminal for reseting this LSI. Switches to "L" position for a moment at power-on.
Output terminal for test. Make sure to open circuit. (Normally "L" output)
Output terminal of 16.9344 MHz
Note: Each power terminal (VDD, VVDD, LVDD, RVDD and XVDD) must be supplyed with the same voltage.
Input terminal for test. Pull-down resistor incorporated. Make sure to ground.
Input terminal for chip selecting. Pull-down resistor incorporated. Make sure to ground when not controlled.
Input terminal for test. No pull-down resistor. Make sure to ground.
Output terminal of 4.2336 MHz
Input terminal for read/write control. Schmitt input.
Input terminal for command from micro-computer.
Input terminal either for clock to take in command input or for clock to take out sub-code from SQOUT.
Schmitt input.
Output terminal for Q output of sub-code.
Output terminal for synchronizing signals of sub-code frame. When sub-code is stood by, falls.
Input terminal for clock to read out sub-code. Schmitt input (when not used, make sure to ground.)
Output terminal for synchronizing signal (7.35 kHz) which is divided from crystal oscillator.
Output terminal for Q output standby of sub-code.
Ground terminal for crystal oscillator. Make sure to ground.
Output terminal for synchronizing signals of sub-code clock.
Monitor terminal for 1 bit or 2 bit error correction
Output terminal for sub-code P, Q, R, S, T, U or W.
DESCRIPTION
Power terminal for crystal oscillator
Joining terminal for crystal resonator (16.9344 MHz)
16
15 3 4 5
2
1 14 13 12 9
11
10
8
7
6
Pre OUT
& Rec.IN
Rec.
DND
Rec.
OUT Mute
OUT
Pre.OUT
& Rec.IN
Rec.
OUT
ch
1
Mute
OUT
Mute
IN
Rec.
DND
Vcc
Vs.
Rre.IN
NF.
Pre.IN
ALC
Pre.IN
Pre.IN
NF.
Pre
Pre
ALC DET
Rec
Rec
I7001 TA7668BP (PRE AMP W/2ch ALC)