Diagrams; Circuit Boards Location; Ic Pin Function; Ic902 Input Control Led Driver (Tmp47C103N-Jp47) - Sony TA-FE610R Service Manual

SECTION 3

DIAGRAMS

3-1. CIRCUIT BOARDS LOCATION

MAIN B board
OUTLET board
TRANS board
PANEL board
LED board
PRO IND board
HP board
SP SW board
INPUT board
MAIN A board
SP TM board
VOL board
EON board
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3-2. IC PIN FUNCTION

• IC902 Input Control LED Drive (TMP47C103N-JP47)
Pin No. Pin Name I/O
1 X OUT O
System clock. (4MHz)
I
2 X IN
3 RESET I Reset input.
4 PMD I Mode select input.
O Motor drive output (+).
5 VOL +
O Motor drive output (–).
6 VOL –
7 SW 0 I Rotary switch input (CD).
8 I Rotary switch input (TUNER).
SW 1
I Rotary switch input (PHONO).
9 SW 2
10 EON I EON signal input.
11 PHONO O PHONO LED drive output.
O TUNER LED drive output.
12 TUNER
13 CD O CD LED drive output.
14 GND — Ground.
O AUX LED drive output.
15 AUX
16 DAT O TAPE "2" LED drive output.
17 TAPE O TAPE "1" LED drive output.
O MONITOR output.
18 MON
O Power relay output.
19 PRY
20 PKY I Power key input.
21 I MONITOR input.
MON
I SIRCS input.
22 SIRCS
23 MUTE O Muting output.
24 SCE O Chip enble output.
O Serial data output.
25 SDT
26 SCK O Serial clock output.
27 STOP I STOP input.
— +3V Power supply.
28 +3V
Function
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