Loading Section; Ic Pin Function - Sony HCD-RB5 Service Manual

HCD-RB5
5-11. SCHEMATIC DIAGRAM –LOADING SECTION–
S1
LOADING
SWITCH
M103
LOADING
MOTOR
16
5-12. PRINTED WIRING BOARDS –LODING SECTION–
16
• See page 11 for Waveforms.
CN1
CLOSE
GND
B
OPEN
LOAD +
TO
MAIN BOARD
LOAD –
(3/3)
(Page 16)
TO MAIN
BOARD
(Page 14)
20

5-13. IC Pin Function

• MAIN BOARD IC601 M30622MAA-A64FP (SYSTEM CONTROLLER)
Pin No. Pin Name I/O
1 STKPOWER I Not used. OPEN
2 B-SHUT I Not used. OPEN
3 SPEAKER RELAY O FRONT-RELAY ON(H)/OFF(L)
4 H.PHONE DETECT I HEAD PHONEs detection. Connected (H), Not connected (L).
5 CD-POWER O CD-POWER ON(H)/OFF(L)
6 TA-MUTE O Not used. OPEN
7 LED — Not used. OPEN
8 BYTE — For switching external data bus wedth
9 CNVss — For switching precessor mode
10 XCIN I SUB CLOCK IN
11 XCOUT O SUB CLOCK OUT
12 RESET — SYSTEM RESET IN
13 X0UT O MAIN SYSTEM CLOCK OUT
14 VSS — Vss
15 XIN I MAIN SYSTEM CLOCK IN(16MHz)
16 VCC — POWER SUPPLY(+5V)
17 NMI I PULL UP(EVER +5V) CAN'T USE
18 LED — Not used. OPEN
19 SCOR I CD Q-DATA REQUEST
20 RDS-INT I RDS INT
21 RDS-DATA I RDS DATA
22 AC-CUT I AC CUT ON(L)/OFF(H) CHECK
23 PBC/CDTEXT LED O CDTEXT LED (RB5) / PBC LED (VB5)
24 VCD LED O VCD_LED
25 CDTEXT LED O Not used. OPEN
26 PANEL LED O PANEL_LED
27 PRE MUTE O TA LINE-MUTE ON(L)/OFF(H)
28 FL-RESET O FL RESET
29 IIC_CLK I IIC SCL
I
30 IIC_DATA IIC SDA
31 RXD — Not used. OPEN
32 SQ-DATA-IN O CD DATA IN
33 SQ-CLK I Note: SQ CLK : Input when CD-POWER is L
34 RTS1 O Not used. OPEN
35 FL-DATA O FL DATA
36 FL-CS O FL CHIP SELECT
37 FL-CLK O FL CLK
38 VOL_CLK O LC75342 LATCH
39 STBY LED O STANDBY LED
40 TIMER LED O TIMER LED
41 VSS — FLASH VSS
42 RECOUT MUTE — FL FILAMENT ON(H)/OFF(L) (for ECO)
43 STBY_RELAY O Always O/H when power is OFF except for J, U and CED
44 AMP_MUTE I Always O/H when power is OFF except for J, U and CED
45 AMP_STANDBY I Always O/H when power is OFF except for J, U and CED
46 VDD — FLASH VDD
47 VOL_DATA O LC75342 DATA
48 VOL_CLK O LC75342 CLOCK
O
49 ST-MUTE TUNER MUTE
50 STEREO I STEREO IN(L)/OFF(H)
20
Description