AIWA HVFX7750
Manual de Servicio

SCHEMATIC DIAGRAM-6 (SYSTEM CONTROL/SERVO SECTION) <HV-FX7750/5700>

MAIN(SYSTEM CONTROL/SERVO SECTION)C.B <7750,5700>
(3/3) (7/9)

9MT168GK

DISPLAY
To KEY 1 C.B PKM01 To KEY 2 C.B PKM02

LOADING MOTOR DRIVE EEPROM

<7750> <5700>

(5/8)

(2/5)

(2/5)

To LOADING MOTOR

(1/5) (1/5)

(4/5)

(2/9)

(6/8)

GDZJ6.8C

(3/5)

To AUDIO/VIDEO SECTION
(5/5)

RESET

<5700>
(3/4)

To LOWER DRUM PDM01

6 5 1

SYSCON/SERVO PROCESS
(3/5)

(1/3)

(3/5)

(3/9) (4/9)

(4/4)

To CAPSTAN MOTOR PCM01

UPD16311GC DISPLAY DRIVER
2 (3/3) (2/3) (2/5) 10 (8/9)

(7/8)

(3/3) (5/5) (5/5)

(8/8)

(2/3)

TSOP1238SP1 R/C RECIVER

(4/8)

34

7

8

9

(9/9)

(5/9)

<5700>
(2/8)

To Hi-Fi AUDIO SECTION

MODE SW
(6/9)

POWER FAIL

(2/4) (1/8)

(1/4)

KRC103M GDZJ6.8C
(3/8)

(1/3)

<5700> <7750>
KRC103M
(1/3) (2/3) (1/5)

To POWER/ TUNER SECTION

(4/5)

(4/5)

To AUDIO/VIDEO SECTION

To POWER/TUNER SECTION

15

(1/9)

16