Philips HTS3544/37 User manual

1 - 1
HTS3544/37
©Copyright2008 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved.No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by LM0827 Service Audio Printed in The Netherlands Subject to modification
HC
!424:!896!45451DVD HomeTheatre System
Version 1.0
TABLE OF CONTENTS
Chapter
Location of PC Boards................................................1-2
Versions Variation & Package..................................... 1-2
Specifications ..............................................................1-3
Service Aids ................................................................ 1-4
ESD& Safety Instruction ............................................ 1-5
Lead-free solding Information.....................................1-6
Repair Instructions......................................................... 2
Disassembly Instructions & Service Positions............... 3
Block & Wiring Diagram ................................................. 4
CONTROL+USB+PHONE JACK+STANDBY+BKT Board .............. 5
Main Board..................................................................... 6
Power Board..................................................................... 7
Ipod Board...................................................................... 8
Mechanical Exploded View & Parts...............................9
Revision List................................................................. 10
Service Manual
Service
TfswjdfTfswjdf
This service manual is for HTS3544/37 Second Generation model,
which is different from the previous generation HTS3544/37 models.
For Second Generation model the serial number begin with
MF3AXXXXXXXXXX. Refer to the rating label illustration at right.
Second Generation

1 - 2
LOCATION OF PCB BOARDS
CONTROL PCB
STANDBY PCB
MP3 PCB
MAIN PCB IPOD PCB
POWER PCB
USB PCB
Main Board
Power Board
CONTROL+USB+PHONE JACK+STANDBY+BKT Board
Type/Versions
Board in used
HTS3544
Bd
Bd
Bd
/37
SERVICE SCNARIO MATRIX:
*Bd = Board Level Repair
VERSION VARIATION:
Type/Versions
Features
HTS3544
Output Power - 1000W
Voltage (120V)
TV In
/37
x
x
x
Ipod Board Bd

1 - 3
AMPLIFIER
Total output power:
- Home Theater mode ................................................. 1000 W
- FTC* output power ..................................................... 510 W
Frequency Response ........................ 180 Hz – 14 kHz / ±3 dB
Signal-to-Noise Ratio............................... > 60 dB (A-weighted)
Input Sensitivity
- AUX In...................................................................... 500 mV
- TV In......................................................................... 250 mV
- MP3 Line-In.............................................................. 500 mV
* (1% THD 1kHz)
RADIO
Tuning Range.............................. FM 87.5–108 MHz (100kHz)
........................................................ AM 530–1700 kHz (10kHz)
............................................................................26 dB Quieting
Sensitivity ........................................ FM 22 dBf, AM 5000μV/m
IF Rejection Ratio.................................... FM 60 dB, AM 24 dB
Signal-to-Noise Ratio............................... FM 50 dB, AM 30 dB
AM Suppression Ratio............................................... FM 30 dB
Harmonic Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM Mono 3%
............................................................................ FM Stereo 3%
........................................................................................AM 5%
Frequency Response .................... FM 180 Hz–10 kHz / ±6 dB
Stereo Separation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM 26 dB (1 kHz)
Stereo Threshold.................................................... FM 23.5 dB
DISC
Laser Type........................................................ Semiconductor
Disc Diametre. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12cm / 8cm
Video Decoding ........................................ MPEG-1 / MPEG-2 /
.................................................................... / DivX 3/4/5/6, Ultra
Video DAC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Bits
Signal System....................................................... NTSC / Multi
Video Format............................................................. 4:3 / 16:9
Video ........................................................................ S/N 56 dB
Composite Video
Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 Vp-p, 75
S-Video Output.............................................. Y - 1.0 Vp-p, 75
....................................................................C - 0.286 Vp-p, 75
Audio DAC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits / 96 kHz
Frequency Response ......................... 4 Hz–20 kHz (44.1 kHz)
................................................................ 4 Hz–22 kHz (48 kHz)
................................................................ 4 Hz–44 kHz (96 kHz)
PCM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IEC 60958
Dolby Digital ......................................... IEC 60958, IEC 61937
DTS ...................................................... IEC 60958, IEC 61937
MAIN UNIT
Power Supply Rating............................................ 120 V; 60 Hz
Power Consumption ....................................................... 180 W
Low Standby power......................................................... < 1 W
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435 x 55 x 367 (mm)
...................................................................................(w x h x d)
Weight ........................................................................... 4.04 kg
FRONT AND REAR SPEAKERS
System. . . . . . . . . . . . . . ........................................... Full range satellite
Impedance. . . . . . . . . . . . . . .............................................................. 6
Speaker drivers ........................................ 3” full range speaker
Frequency response. . . . . . . . . . . . . . ......................... 150 Hz – 20 kHz
Dimensions. . . . . . . . . . . . . . ............................ 95.5 x 198.3 x 75 (mm)
...................................................................................(w x h x d)
Weight .................................................................. 0.62 kg/each
CENTER SPEAKER
System. . . . . . . . . . . . . . ........................................... Full range satellite
Impedance. . . . . . . . . . . . . . .............................................................. 3
Speaker drivers ................................ 2 x 2.5” full range woofer,
..............................................................................1 x 2” tweeter
Frequency response . . . . . . . . . . . . . . .........................150 Hz – 20 kHz
Dimensions. . . . . . . . . . . . . . ............................... 435 x 93.5 x 67 (mm)
...................................................................................(w x h x d)
Weight ............................................................................ 1.26kg
SUBWOOFER
Impedance. . . . . . . . . . . . . . .............................................................. 3
Speaker drivers ......................................... 203 mm (8”) woofer
Frequency response. . . . . . . . . . . . . . ........................... 40 Hz – 150 Hz
Dimensions. . . . . . . . . . . . . . ........................ 159.5 x 355.5 x 370 (mm)
...................................................................................(w x h x d)
Weight ........................................................................... 4.78 kg
Specications subject to change without prior notice.
SPECIFICATIONS

1 - 4
CD
Tuner AM (MW,LW)
Tuner FM

1 - 5
Service Tools:
Universal Torx driver holder .................................4822 395 91019
Torxbit T10 150mm ...........................................4822 395 50456
Torx driver set T6-T20 .........................................4822 395 50145
Torx driver T10 extended .....................................4822 395 50423
Compact Disc:
SBC426/426A Testdisc5 +5A ...........................4822 397 30096
SBC442Audio Burn-in test disc 1kHz .................4822 397 30155
SBC429 Audio Signals disc .................................4822 397 30184
Dolby Pro-logic TestDisc ....................................4822 395 10216
SERVICE AIDS
HANDLING CHIP COMPONENTS

1 - 6

1 - 7

2 - 1 2 - 1
System , Region Code , etc. Setting Produre
1)System Reset
a) Press “Setup“ button on R/C,TV will show preference menu
b) Select the menu using the and on R/C
c) Go preference page to do system reset
2)Region Code Change
a) Press the “stop“ button on R/C in open midel
b)Press “7“ “3“ “4“ “4“ “6“ “6“ on R/C, then input desired number to
change region code :
1 USA
2 EU
3 AP
4 Australia ,NZ , Latam
5 Russia , INDIA
6 CHINA
3)Version Control Change
a) In open model, press “1“ “5“ “9“ on R/C
b) Press “ok” button to conrm
c) TV will show message as below:
7) Upgrading new sofeware
a) Open the CD Door, then insert the CD-R program disc
b) Close the CD Door
c) VFD will show:
“Loading“
“Erase” -- erase the ash memory
“Writing” about 2 minute
“done “
* the latest upgraded is in version VER 00.25.05_70504_00
Current model HTS3544/37
Version: 00.25.05_70504 Region :1
Servo: 58.58.00.00
8032: 05.00.04.06 RISC: OE.OE.01.00
IF current model does not match you set use down arrow
key on the remote to change
OK
CAUTION!
This information is confidential and may not be
distributed.Only a qualified service person should
reprogram the Region Code.
4)Password Change
a) Press “Setup “ button on R/C,TV will show preference page
b) Select the menu using the and on R/C
c) Go preference page select “password“ to change
* 000000 is default password supplied.
5)Check on the Sofeware Version
a) Open the CD Door
b) Press “display“ button on R/C
c) TV will show the version on screen
6)Trade model
a) Press “Open/Close “ button on R/C
b) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA
OFF“

2 - 2 2 - 2
REPAIR INSTRUCTION (Part One)
MA IN UNIT REPAIR CHART 1/ 3
A
All function
No working
Check all system
all cable is loose
or badINT
Panel stanby LED
show working or Not
Re-insert and fix
the cable
Check back power
PC
B
F901 bad cause damage Change F901
Check CN905 2pin
BK5V if right
Check repair control
PCB Standby circuit
Check +5V power
supply circuit
Check RB901 1pin
+5V=5V
Check repair switch
power circuit ( See B)
Check all Voltage
3.3V and 1.8V
give circuit
VCC=5V
VD33=3.3V
VD18=1.8V
Check IC208 Pin234 OSC
frequency 27MHz
Repairmain pcb between
IC202IC206IC208andIC602
circuit
YES
NO
NO BAD
NO
OK
YES
WORK
NO
CHECK
CORRECT
YES
YES
B
Power Supply
No working
All Voltage
No Output
Check F 901
Bad Cause Damage
Check BK5V +5V
Working or Not
No
YES
No
+35.5VVoltage
No Output
Check Repair IC901 IC902
And Its conn circuit
-27V Voltage
No Output
+12V Voltage
No Output
+5V Voltage
No Output
Check Q901 Q909 IC901
And Its Conjoint Part
Check Q912 IC902
And Its Conjoint Part
Check Q912 IC902
And Its Conjoint Part
Check Q912 IC902
And Its Conjoint Part
No
C
All Function
No Sound
Check POWER IC
Voltage +35.5V
Yes
See Contents B
CheckQ306 D304 ZD303
And Its conn parts
Yes
No
Check Q305C
Voltage3.3V
OK
No
A
All Function
No Working
B
Power Su
pply
No Working
C
All Function
No Sound
D
Ipod input
No Sound
E
Audio line IN
No Output
F
Wireless
No Output
G
DVD Audio
No Sound
H
MP3 In
No Sound
I
COAX IA L In
No Sound
L
TunerNo Sound
M
No SvideoOutput
O
HDMI No Output
BK5V Voltage
No Output
Check Q912 IC902
And Its Conjoint Part
CheckQ501 Q502 IC505
And Its conn parts
OK
LOW
CheckQ902 ZD905 IC505
And Its conn parts
Check Q902C
Voltage3.3V
OK
No
Check IC505 51PIN
HIGH(3.3V) OR LOW(0V)
Check IC501 IC502 IC503 IC504
And Its Conjoint Part
P
No CVBS Output
Q
No Y PrPboutput

2 - 3 2 - 3
MA IN UNIT REPAIR CHART 2/3
F
Wireless
No Output
OK or No
Check JK401 IC505
And Its conjoint parts
No
OK
Check JK401
Pin1 approx +5V
See B
OK
See C
G
DVD Audio
No Sound
Check CN801 to
DVD loader Cable Loose
No
OK
Check Open/Close
Working or Not
Check CN802 CN803
CheckIC801
And Its conjoint parts
No
Re-Insert and fix
the cable
YES
Determine Picture Output
OK
Check IC208 And
Their Conjoint Parts
No
Check Q801 Q802 Q803
OK
to DVD Loader Cable loose
or Bad INT
or Bad INT
Yes
Yes or No
Q804 And Their Conjoint Parts
I
COAXIAL In
No Sound
INT
OK
Check JK702 Pin5
INT OR NO
REPAIR ok
Check And Repair
FB202 FB203
No
Check IC201 IC208 And
OK
Check IC201 Pin6 pin 23
approx +5.0V
Its Conjoint Parts
Yes or No
E
AUX/TV IN
No Output
Check JK302
CheckIC304IC305 Pin7
INT or No
approx -5.6V Pin16 approx +5.6V
Check ZD301ZD302
Check FB307 FB308
Change this JK
Check IC306
And Its Conjoint parts
OK
No
OK
CheckIC306 Pin1 Pin3 6 13
Voltage Correct is 5.0V
Yes
INT
No
See C
OK
Yes or No
FB309 Q904 H
Check JK302
CheckIC304IC305 Pin7
INT or No
approx -5.6V Pin16 approx +5.6V
Check ZD301ZD302
Check FB307 FB308
Change this JK
Check IC306
And Its Conjoint parts
OK
No
OK
Check IC306 Pin1 Pin3 6 13
Voltage Correct is 5.0V
Yes
INT
No
See C
OK
Yes or No
FB309 Q 904
REPAIR INSTRUCTION (Part Two)

2 - 4 2 - 4
REPAIR INSTRUCTION (Part Three)
MA IN UNIT REPAIR CHART 3/3
L
Tuner No Sound
Output
Check CN301Pin9=+9VCheck CN301 Q901ZD904
No
And Its Conjoint Parts
Check SW Power
See B
Yes
Check CN1 to CN301
Cable Loose orINT
Check CN1Pin2/Clock
Pin3/Data,Pin4/CE
Affirm Correct
Yes
No
CheckIC102IC108
And Its Conjoint Parts
No
CheckIC1 And
No
Its Conjoint Parts
CheckVT Valtage
No
Low Freq=0.8--1.8V
Hi Freq=8.0--9.0V
CheckIC1 OSCInput
Pin5---AM OSC
VT No Change
Pin3---FM OSC
RepairFM osc Section
And Its Conjoint Parts
No AMNo FM
L6 or DT4
RepairAM osc Section
And Its Conjoint Parts
L12 or DT5
Check Repair CN302 IC301
And Its Conjoint Parts
CheckCN1 L12 CF3
And Its Conjoint Parts
OK
Check CN302 IC301
And Its Conjoint Parts
Check CF2 And
Its Conjoint Parts
L6 DT4
And Its Conjoint Parts
AM Function No Sound
FM Function No Sound
OK
OK
OK
OK
Check IC1 X1 C39
And Its Conjount Parts
OK
Check Main Pcb Of Tuner Input Circuit
M
No Svideo output
Check JK701 Pin1 Pin3
Video signal
Yes
Check IC208 PIN133 PIN140
To JK701 ConjointParts
O
HDMI No Output
Yes
Insert And Pull out HDMI
cable
SeeC
OK
CheckQ610 Q611 Q609
And Conjoint Parts
No
Check IC602 3.3V And 1.8V
Check Q203 Q204
And Conjoint Part s
No
OK
Check C300
CheckC300
And Conjoint Part s
No
OK
Check IC602 PIN72:ASPDIF
Check IC602 IC208
And Conjoint Part s
No
PIN77: ALCK
p
No CVBS output
Check JK701 Pin5
Video signal
Yes
Check IC208 PIN134
To JK701 ConjointParts
Q
No Y Pr Pb output
Check JK702 Pin12 Pin4
Pin5 Video signal
Yes
Check IC208 PIN137 PIN138
pin139To JK702 ConjointPart s

3 - 1 3 - 1
DISASSEMBLY INSTRUCTIONS
Dismantling of the Front Panel Assembly
1) Open the DVD Tray by using the Open/Close Button
while the Set is ON and disconnect the mains supply after
removing the Tray Cover.
Note: If this is not possible, the DVD Tray
has to be open manually.
Take a mini screw driver about 2mm diameter and make a
marking 24mm from the tip as shown in gure 2 . Place the
set on its side, insert the mini screw driver till the marking
and slide it towards the right as shown in gure 1 until the
Tray moves out of the Front Panel.
2) Return the set to its upright position and remove the Tray
Cover as shown in Figure 3 and close the tray manually by
pushing it back in.
3) Loosen 5 screws and remove the Top Cover by lifting the
rear portion upwards before sliding it out towards the rear.
-3 screws on the back
-1 screws each on the left & right side
4) Loosen 5 screws & lift up the top edge of Front Panel
assembly to free some catches before sliding it out towards
the front.
-3 screws on the bottom
-1 screw each on the left & right side
24mm
mm2
Figure 3
Figure 2
Dismantling of the Main PCB
2) Loosen 3 screw “ A “ on the top of main board as shown in
 g ure 4.
1) Loosen 7 screw “B” at the back panel as shown in gure 5.
A
B
C
Figure 4
Figure 5
Dismantling of the Ipod Board
1) Loosen 1 screws “C” at the back pancle as shown in gure5
PULL
Figure 1

3 - 2 3 - 2
Dismantling of the DVD Module
1) Loosen 4 screws “F” to remove the DVD Module as shown
in gure 8.
Dismantling of the Power Board
1) Loosen 5 screws “D” at the top of the Power Board as
shown in gure 7
Dismantling of the Control Board
1) Loosen 10 screws “E” at the back pancle as shown in gure 6
SERVICE POSITIONS
Service position A
Note:In some service positions the components or copper patterns of one board may risk touching its neighbouring pc boards or
metallic parts. To prevent such short-circuit use a piece of hard paper or other insulating material between them.
Service position B
D
Figure 7
E
Figure 6
F
Figure 8

4 - 1 4 - 1
BLOCK DIAGRAM
MT1389HDu_com
S-VIDEO
C-VIDEO
VFD
IC V63111
VFD CONTROLKEY
SDARM
4Mx16
IC AT24C16
SERIAL EEPRO M4Mx8bit FLASH
C SPK
CS8415
2SA882
+1.8V OUT
KEY CONN SYSTEM
+3.3V OUT
AD 5V OUT
2SB9522SB772
+5V IN
IC 74HC374x1
OUT PIN EXPAND
SPDIF IN IC
POWER SUPPLY
AC 220V
BRIDGE
IC FSDL0165RN
REGULAT OR
TRANSFORMER
IC BA4558D
IC KA7500C
TRANSFORMER
MOSFET
AC1
AC2
+39V
+5V
+12V
TRANSFORMER
IC EL817C
BK5V
MOSFETMOSFET
VFD
-24V
STA510A
POWER AM P
STA510A
POWER AM P
STA510A
POWER AM P
SUB SPKR SPKSR SPK
DIGITAL AUDIO PROCESSO R
Bilt IN TREBLE BASS EQ
VOLU ME CONTROL
IC STA308A
COAX IAL INPUT
Y.U.V OUT
IC TS5V330
VIDEO SWITCH
FAN_12V
STA510A
POWER AM P
L SPKSL SPK
SIRIUS SATELLI TE RADIO
AMPLIFIERAMPLIFIER
IC IRC4558 IC IRC4558
DC TO DC
SIRIUS 5V OUT
2SB772
-12VOUTAD 3.3V OUT
USB 500m A
US B 5V OUT
AMPLIFIERAMPLIFIER
IC IRC4558 IC IRC4558
AM PLIFIER
IC IRC4558
AM PLIFIER
IC IRC4558
IC TC4051BPx 2
SWITCH
TV-IN
A/D IC CS5340
AUX-INMP3-IN
PHONE JACK
CRYSTAL
74HC04
882
+-
+12V
+-+-+-
MT1392E
+-+-
+12V -24V +12V
24C04
IP4776CZ38
IC AM5888
DVD PACK DRIVER
DVD LOADER
Arima PICK UP
SCART OUT
USB SOCKET
Panasonic TUNER
SYSTEM
KARAOKE IN
Wireless
27MHz
MX29LV320BTC
HDMI OUT
RDSSAA6581T
I2S
AP1513
2SA945 CONTROL
200Wx2(250w Power claim (commercial, 30%THD, 1 chan@1min)100Wx4(125w Power claim (commercial, 30%THD, 1 chan@1min)

4 - 2 4 - 2
WIRING DIAGRAM
V3 V1

5 - 1 5 - 1
CONTROL BOARD
TABLE OF CONTENTS
FTD Display Pin Assignment. . . . . . . . . . . . . . ............................................... 5-1
Circuit Diagram. . . . . . . . . . . . . . .................................................................... 5-2
PCB Layout Top & Bottom View........................................................ 5-3
Note
FTD DISPLAY PIN ASSIGNMENT

5 - 2 5 - 2
CIRCUIT DIAGRAM
C2501 A3
C2502 A3
C2504 B1
C2505 A1
C2506 A1
C2507 A2
C2509 A2
C2510 B2
C2511 B1
C2512 B1
C2513 A2
C2514 B1
C2515 B1
C2516 A1
C2518 B3
C2519 B3
C2520 B3
C2521 B1
C2522 B1
C2523 B1
C2524 B1
C2525 B1
C2526 A1
C2527 A1
C2528 A1
C2529 A1
C2530 A1
C2531 A1
C2538 B2
C2539 B2
C2540 B2
C2541 B1
C2542 A1
D2501 A2
D2503 B1
D2504 B1
D2507 B1
D2508 B1
DP1 A2
FB30 A3
FB31 A3
FB34 B3
FB35 B3
FB36 B3
IC251 B2
JK2 A3
JK3 B3
JMP1 B3
JMP11 B3
JMP12 B3
JMP14 B3
JMP15 B3
JMP2 B3
JMP3 B3
JMP5 B1
JMP6 B1
JMP7 B2
JMP8 B3
JMP9 B3
JP1 A3
LD2501 B3
Q2501 A1
Q2502 A1
R2253 B1
R2501 A1
R2502 A1
R2503 A1
R2504 A1
R2505 A1
R2506 A1
R2507 A1
R2508 A1
R2509 A1
R2510 A2
R2513 A1
R2514 B1
R2515 B1
R2516 B1
R2517 B1
R2518 B1
R2519 B1
R2520 B1
R2521 B1
R2522 B1
R2523 B1
R2524 A2
R2525 A2
R2526 A2
R2528 A1
R2529 B1
R2530 A1
R2532 A1
R2533 A1
R2534 A1
R2535 A1
R2539 A1
R2540 A1
R2541 B1
R2542 B1
R2544 B1
R2545 B1
R2548 A1
R2549 A1
R2553 B3
R2554 A2
RB201 A1
RB303AA3
RB5501B3
RB903 A1
RB906 B3
SN251 A1
TA2501 B1
TA2502 B1
TA2506 B1
TA2507 B1
TA2510 B1
TA2511 B1
TA2516 B1
VR2502A3
XL2501 A2
ZD251 B1
ZD252 B1
ZD253 B1
ZD254 A2
ZD255 A1
R2536 A1
R2537 A1
R2538 A1
R2555 A2
1 2 3
1 2 3
A
B
A
B

5 - 3 5 - 3
PCB LAYOUT - TOP VIEW
32
1
321
A
B
A
B
123
1 2 3
A
B
A
B
PCB LAYOUT - BOTTOM VIEW
C2501 A2
C2502 A2
C2506 B2
C2507 B2
C2509 B2
C2511 A2
C2512 B2
C2514 A2
C2515 A2
C2516 B2
C2518 B2
C2519 B1
C2520 B1
C2521 B2
C2522 B2
C2523 B2
C2524 B2
C2525 A2
C2529 B3
C2530 B3
C2538 B2
C2539 B2
C2540 B2
C2541 B2
C2542 B2
FB30 B3
FB31 B3
FB34 B1
FB35 B1
FB36 B1
IC251 B2
Q2501 B3
Q2502 A2
R2253 A2
R2501 A3
R2503 B2
R2504 A2
R2505 B2
R2506 A3
R2507 A2
R2509 B2
R2510 B2
R2513 A2
R2514 B2
R2515 B2
R2516 B2
R2517 B2
R2518 B2
R2519 B2
R2521 B2
R2522 B2
R2523 B2
R2524 B2
R2525 B2
R2526 B2
R2529 A2
R2530 B2
R2533 B2
R2534 B2
R2535 B2
R2541 B2
R2542 A3
R2544 A1
R2545 A3
R2548 B3
R2549 B3
R2553 B2
R2554 B2
ZD251 A2
ZD252 A2
ZD253 B2
ZD254 B2
ZD255 B2
R2555 B2
C2504 A2
C2505 B2
C2513 A2
C2531 B2
D2501 B2
D2503 B2
D2504 B2
D2507 A2
D2508 A2
DP1 B2
JK2 B3
JK3 B3
JMP1 B2
JMP11 A1
JMP12 B1
JMP14 B2
JMP15 A2
JMP2 A2
JMP3 A2
JMP5 A3
JMP6 A3
JMP7 A2
JMP8 A3
JMP9 B2
JP1 B3
JP2 B1
LD2501 A1
R2502 B2
R2508 B2
R2520 B2
R2528 B2
R2532 B3
R2539 B2
R2540 B2
RB201 B2
RB303A B3
RB5501 A1
RB903 B2
RB906 B3
SN251 A2
TA2501 A1
TA2502 A3
TA2506 B3
TA2507 B3
TA2510 B3
TA2511 B3
TA2516 A1
VR2502 B3
XL2501 B2
R2536 B1
R2537 B1
R2538 B1

6 - 1 6 - 1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-1
Circuit Diagram (part one) ................................................................. 6-2
Circuit Diagram (part two).................................................................. 6-3
PCB Layout Top View ....................................................................... 6-4
PCB Layout Bottom View . . .... . . . .... . .................................................... 6-5
1252627282 2223 81910242 1516
17
MUTE
Thermal
Shut dowm
10k
10k
10k
10k
25k
25k
25k
15k
Vcc1
1234 5 6 7 8 9 10 11 12 13 14
VINFC TRB-1 RSGO2VINSL+ REGO1 FWD REV VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+
MUTE BLAS VINTK TRB-2 NC VINLD GND VCTL NC VCC2 VOLD- VOLD+ VOTK- VOTK+
RGND VCC1
Prc-DRV TRAY
DRIVER
Sled
Driver(4X)
Actuator
Driver(6X)
Spindle
Driver(4X) Driver(6X)
Actuator
Vcc2
Vcc2
+
-
+
-
+ -
+ -
+ -
+ -
INTERNAL IC DIAGRAM - CO4558A HOSP
INTERNAL IC DIAGRAM - V5888S HOSP

6 - 2 6 - 2
Circuit Diagram (part one)
1 2 3 4
1 2 3 4
A
B
C
D
A
B
C
D
C0201 C2
C0202 A2
C0203 A2
C0204 A2
C0205 A2
C0206 A3
C0207 A3
C0208 A3
C0209 A3
C0210 B4
C0212 D2
C0213 C4
C0214 C4
C0215 C4
C0216 D1
C0217 D1
C0218 D1
C0219 D1
C0220 D1
C0221 D1
C0222 D1
C0223 D1
C0224 D1
C0225 D1
C0226 D1
C0228 D1
C0229 D1
C0230 D1
C0231 D1
C0232 D1
C0235 D2
C0237 D4
C0238 D4
C0239 D4
C0240 D4
C0241 D4
C0242 D4
C0243 D4
C0244 A2
C0245 A2
C0246 A3
C0247 A3
C0248 B4
C0249 A2
C0250 A2
C0251 C4
C0252 C4
C0601 A4
C0602 A4
C0603 A3
C0604 B3
C0606 B3
C0608 B4
C0609 A4
C0610 A3
C0612 B4
C0613 A4
C0615 B4
C201 A2
C202 B4
C203 A2
C204 B2
C205 B4
C206 C4
C207 A2
C208 A2
C209 B2
C210 B3
C211 D4
C213 C1
C214 C2
C215 D2
C216 A2
C217 A2
C218 B4
C219 A3
C220 A3
C221 B4
C225 C2
C226 C2
C227 C2
C228 C2
C229 C1
C230 D2
C231 D2
C232 C1
C233 B3
C237 B3
C238 A3
C240 B3
C241 A3
C242 A3
C243 D2
C253 C1
C254 D2
C300 A4
C601 A3
C602 A3
C604 B4
C605 B3
C606 A4
C607 A3
C608 A4
C609 B4
C610 A3
C611 A4
C612 A4
C801 A1
C802 A1
C803 B1
C804 A2
C805 B1
C806 B1
C807 B1
C808 B2
C809 B2
C810 A2
C811 A2
C812 A2
C813 B2
C816 B2
C817 B2
C818 A2
C819 B1
C820 B2
C821 B2
C822 B2
C823 B2
C824 B2
C825 A2
C826 B2
C827 B2
C828 B2
C829 B2
C830 B2
C831 B2
C832 B3
C833 B3
C834 B3
C835 B3
C836 A3
C837 A3
C838 B2
C839 B2
C840 B2
C841 B2
C842 C2
C843 B1
C844 B2
C845 C2
C846 C2
C848 B2
C849 B2
CE201 C1
CE202 C1
CE203 C1
CE204 C1
CE205 C1
CE206 C1
CE207 C1
CE208 B4
CE209 B4
CE210 C1
CE801 D2
CE802 D2
CE803 D2
CE804 D2
CE805 D2
CE806 D2
CE808 D2
CE809 D2
CN201 B4
CN202 C1
CN203 D3
CN801 A1
CN802 B1
CN803 B1
D201 A3
D202 A3
D203 A3
D204 A3
D205 D2
FB1 A4
FB201 A2
FB202 A2
FB203 A3
FB204 A2
FB205 C4
FB206 C4
FB207 D4
FB208 D4
FB209 C1
FB210 C1
FB211 C1
FB212 C1
FB213 C1
FB214 C1
FB216 D2
FB217 A3
FB601 A4
FB602 A4
FB603 A4
FB604 A3
FB605 B3
FB801 A1
FB802 A1
FB803 B1
IC201 C1
IC202 C4
IC203 D2
IC204 D2
IC205 D4
IC206 D4
IC207 A3
IC208 B4
IC602 A4
IC801 B4
JK601 A3
L201 A2
L202 A2
L203 A2
L204 D4
L205 B4
L207 B4
L601 A3
L801 A2
L802 A2
L803 A2
Q201 A2
Q202 A2
Q203 A3
Q204 A3
Q300 D1
Q609 D1
Q610 D1
Q611 D1
Q801 A1
Q802 A1
Q803 A1
Q804 A2
Q805 A1
R200 A2
R201 A2
R202 A2
R203 A2
R204 A2
R205 A2
R206 A3
R207 A3
R209 B4
R210 C4
R211 C4
R212 C4
R216 A3
R217 A3
R218 A3
R219 A3
R220 C4
R221 C4
R222 D2
R223 B4
R224 B3
R225 B4
R227 B4
R228 B4
R230 C1
R231 C1
R232 C1
R233 D2
R234 C1
R235 C1
R239 D2
R240 B4
R241 B4
R242 D2
R243 B4
R245 C1
R247 C1
R248 C1
R249 C1
R251 C1
R252 C1
R253 C1
R255 C2
R256 C2
R257 C2
R258 C2
R260 B4
R261 B4
R264 A3
R266 B4
R269 D2
R271 D2
R272 D2
R276 A3
R279 C1
R280 B3
R281 D2
R282 C2
R283 C2
R284 C2
R286 D2
R287 D2
R288 B3
R290 C1
R291 C1
R292 C1
R293 A3
R294 A3
R297 A2
R300 D1
R390 D1
R391 D1
R392 B2
R393 B2
R394 B4
R395 B3
R397 A2
R398 D3
R399 D2
R601 A4
R602 A4
R609 B4
R610 B4
R611 A4
R613 A4
R614 A4
R616 A4
R617 A4
R621 A3
R622 A3
R624 A3
R801 A1
R802 A1
R803 C2
R804 B1
R805 B1
R806 C2
R807 C2
R808 A1
R809 A1
R810 A1
R811 A1
R812 A1
R813 A1
R814 A2
R815 A2
R816 A2
R817 B2
R820 C2
R821 A2
R822 A2
R823 A2
R824 A2
R826 B1
R827 B1
R828 B1
R829 B1
R830 B2
R831 B2
R832 A1
R833 B2
R834 B2
R836 B1
R838 B2
R839 B2
R840 B2
R841 B2
R842 B2
R843 C2
R845 C2
R975 D3
R977 B4
R978 D3
RA201 C2
RA202 C4
XL201 B3
ZD201 A2
ZD202 A2