Main Board - Philips HTS3400 Service Manual

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MAIN BOARD

TABLE OF CONTENTS
Internal IC Diagram ......................................................... 8-1
Voltages List .................................................................... 8-2
Circuit Diagram(1) ........................................................... 8-3
Circuit Diagram(2) ........................................................... 8-4
PCB Layout Top View ...................................................... 8-5
PCB Layout Bottom View ................................................ 8-6
8-1
3/2/2013
ES6629F INTERNAL IC DIAGRAM
Mot o r
OP U
Motor Dr i v er
ES6 603
RF Amp
SDRA M
8/16-MB
V i bratto-II
EE PROM
RO M / F l a s h
AM5868S INTERNAL IC DIAGRAM
MUTE VINTK OP1N+ OP1N- VINLD
BIAS
28 27 26 25
10K
MUTE
+ -
25K
Thermal
Shut down
25K
+ -
10K
10K
-
+
2 3 4
1
VINPC OP2N+ OP2N- VINSL+ OP2OUT FWD
TDA8920BTH INTERNAL IC DIAGRAM
handbook, full pagewidth
V DDA2 V DDA1
3 (20) 10 (4)
9 (3)
IN1
INPUT
8 (2) STAGE
IN1+
mute
11 (5)
SGND1
7 (1)
OSC
OSCILLATOR
6 (23)
MODE MODE
2 (19)
SGND2
mute
5 (22)
IN2+
INPUT
4 (21)
STAGE
IN2
1 (18) 12 (6)
V SSA2 V SSA1
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8-1
DVD/CD
V i deo
T V Di splay
Au dio DAC Spe akers
Au dio ADC
E S 6629 M i c r o phon e I n
S/ P D I F
A/ V Re ce iv er
VFD Pan el
VFD Dr i v er
I R R e m o te
GND VCTL OP1OUT VCC2 VOLD- VOLD+ VOTK-
24 23 22 21 20 19 18 17 16
Vcc2
GND
GND
-
+ 15K
10K
-
Spindle
Driver(4X)
+
+
-
25K
Sled
Driver(4X)
Pre-DRV TRY
DRIVER
PGND Vcc1
5 6 7 8 9 10 11 12 13
REV VCCL VOTR- VOTR+ VOSL+ VOSL- VOFC+ VOFC-
V DDP2 V DDP1
STABI PROT
18 (12) 13 (7) 23 (16)
RELEASE1
DRIVER
PWM
HIGH
SWITCH1
CONTROL
MODULATOR
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
V SSP1
TDA8920BTH
TEMPERATURE SENSOR
TDA8920TH
MANAGER
V DDP2
CURRENT PROTECTION
ENABLE2 DRIVER
HIGH
CONTROL
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
17
24 (17) 19 (-)
V SSD V SSP1 V SSP2
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VOTK+
15
Actiator
Driver(6X)
Vcc2
Vcc2
Vcc1
Actiator
Driver(6X)
14
14 (8)
15 (9)
BOOT1
16 (10)
OUT1
22(15)
BOOT2
21 (14)
OUT2
20 (13)
MBL461