Pioneer X-HM20-K Service Manual

10
X-HM20-K
1
2 3 4
A
B
C
D
E
F
1
2 3 4
4.2 OVERALL BLOCK DIAGRAM
PLAY STOP UP DOWN OPEN/CLOSE
D407
~D410
D411
~D414
D415
~D418
KBU802
CON 401 (11P)
CON 402 (9P)
REG.8V
IC402
REG.5V
IC401
D419
~D421
AC INLET
RELAY
(RL401)
MAIN TRANS.
SUB.
TRANS
T401
D401
~D404
F401
F402
F403
F404
PRIMARY
SECTION
J14 (16P)
J11 (10P)
J9 (8P)
TUNER
Si4730
IC701
CON702 (12P)
(CON703)
(JACK701)
(JACK702)
(JACK704)
(JACK703)
IR
FL DISPLAY LCD201
CON 201 (16P)
FL
DRIVER
( IC 201)
VOLUME VR
(VOL201)
KEY BUTTON
IC 1
OPTEK OTK 5256
Microprocessor
Audio DSP
Audio Decoder
U5
Philip
SAA7824HL
SERVO DSP
U8
AUDIO_CODEC
WM8781
U900
POWER AMP IC
STA 339BW/S
IC 7
FLASH_IC
8M
U7
DRIVER_IC
SA1469
U2
MULTIPLEXER
PI5V331W
IC902
SDRAM
1Mx16bit
IC901
iPod
certification
U3
MULTIPLEXER
FSUSB30MUX
DOCK CONNECTOR
J802 (10P)
J2 (10P)
J12(5P)
J3(4P)
USB CONNECTOR
SCN801(6P)
SCN802(4P)
LOADING
MOTOR
SLIDE
MOTOR
SPIN
MOTOR
PICK UP
J10 (5P)
J13 (6P)
CN3(16P)
J1 (12P)
Power Supply
8V (Motor Supply)
iPod 5V [U501]
USB 5V [U551]
AMP IC 18V
VDD 3.3V [IC8]
VDD1.8V [U4]
OTHER 3.3V [IC6]
FL (F1, F2, VP- )
CON701(4P)
J6 (4P)
Video OutAUX INSPK Terminal Jack
AM Cone FM Coaxial
CON704(2P)
PU in
Open /Close SW
SCN201(2P)
J5(2P)
J803
(2P)
HP
(JACK801)
F405
FUNCTION
POWER ON
LED
IC13
HP AMP
TDA1308
IC800
SA6208
A
MAIN PCB ASSY
F
HEADPHONE
PCB ASSY
H
USB PCB ASSY
E
KEY-SWITCH PCB ASSY
LOADER ASSY
D
DISPLAY PCB ASSY
B
iPOD PCB
ASSY
(X-HM20 ONLY )
C
RADIO PCB
ASSY
G
POWER PCB ASSY

Pioneer X-HM20-K Specifications

General

Brand	Pioneer
Model	X-HM20-K
Category	Car Receiver
Language	English