Led Driver : M66310P (X14-, Ic4) - Kenwood A-58 Service Manual

A-58/68
CIRCUIT DESCRIPTION
4. LED Driver : M66310P (X14- [A/5], IC 4)
4-1. Pin connection
NC —— SOQp
POWER STANDBY LED ~«€— Qo
DEPTH CONTROL LED «€— Op
CXA1842S V.C pin 6 «€- Qa 1
CXA1842S B.B pin 7 «€— Os
2.
Vcc 3
M38197MA-O90FP pin42 ——
A
4 &
GND OE 5 2
M38197MA-090FP pin4é3 —— CK
6 &
RESET signal input —— R 7 ©
M38197MA-O90FP pin44 —— CKs
; =
GND 9
10
11
12
4-2. State of IC port (LED driver)
P| A-58 A-68
CXA1842S V.C (Pin 6)
| Os | CXA1842S B.B (Pin 7)
Fao [—CXATBAZSSW2(Pin9)
CD
Por [PHONO
ros [avaux
| —ViEO
| OH |
ra
TUNER
| Qu | MD/DAT
| OK | VIDEO CD/LD
CD DIRECT
| Om | CD REC
N.B. CIRCUIT
a POWER STANDBY
| Op | DEPTH CONTROL
Presence
BYPASS
JAZZ CLUB
STADIUM
HIT MASTER
DEPTH CONTROL ON
O: ON, Blank : OFF, & : Optional
ON/OFF is active low
Qc —} CXA1842S SW1 pin 8
Qp —® CXA1842S SW2 pin 9
QE — > CD (A-58)/PHONO (A-68) LED
QF —%> PHONO (A-58)/TUNER (A-68) LED
Qc —> AV AUX (A-58)/VIDEO (A-68) LED
QH —> TUNER (A-58)/AUX (A-68) LED
Q! — > TAPE LED
QJ —j» MD/DAT LED
Qk — > VIDEO (A-58)/CD/LD (A-68) LED
Qt —» CD DIRECT LED
Qu —% CD REC LED
Qn —>N.B. CIRCUIT LED
Input selector
ad Or [ac [ax | ar | as | Ox |
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PmopaT [| ft TT oO]
O: ON, Blank : OFF
CD DIRECT/CD REC/N.B. CIRCUIT
POWER STANDBY/DEPTH CONTROL
N.B. CIRCUIT
POWER STANDBY
DEPTH CONTROL
O: ON, Blank : OFF
A : Optional (Conform to setting of each mode)
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