Explanation Of Ic Terminals - Sony CHC-P11 Service Manual

EXP
SECTION 5
LANATION OF IC TERMINALS
IC101 TMP87CP64YF - 6335 (MASTER CONTROL)
22 FUNC B
Pin No. Pin name vO Description
1 LR Vss - Ground
2 X OUT oes B e e
7 Main system clock. (LOMHz)
3 XIN | 1
4 RESET I Reset signal input terminal.
5 X OUT O
Sub system clock.(32kHz).
6 XIN I
'd GND | - Ground.
8
BACK UP | I
BACK-UP mode input terminal.
9 COUNT SW Not used. (Ground)
10 INIT SW = Not used. (Ground)
Il
DISC SENS
= fe used. (Ground)
Function Select.
nae Ls Ke Pe
23 FUNC C oO
24 GEQ.LATCH Oo Latch output to gray control. (M6243FP)
a fe RDS.INT |__| Notused. (+5V)
26 SCOR (DSP) I Sub code sync SO+SI detection input from DSP. (CXD2507AQ)
27 CIN / SENS I SENS input from DSP. (CXD2507AQ)
28 CD POWER O Power on output. "H" : ON
29 CDG LATCH - Not used. (Open)
30 DBFB- 2 - Not used. (Open)
31 MUTE =| Not used. (Open)
32 CE Chip enable output to tuner PLL IC. (LC72130)
33 STEREO mi FM/AM Stereo identification. "L" : STEREO
34 TUNED FM/AM Tuning identification. "L" : TUNING
35 SQ-RDS-CLK Sub-code Q data scanning clock output to DSP (CXD2507AQ), RDS clock output.
36 SQ-RDS-DI Sub-code Q data input from DSP (CXD2507AQ), RDS data input.
L 37 RDS-RESET Not used. (Open)
38 CLK System clock output.
39 D. IN Serial data input from tuner.
40 D. OUT Serial data (COMN) output.