Philips MX2500/01 - Night mode - turning on;off; Restoring to original settings

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
Electrical Parts list ........................................................... 8-7
8-1
8-1
ES6628F INTERNAL IC DIAGRAM
AM5868S INTERNAL IC DIAGRAM
TDA8924TH INTERNAL IC DIAGRAM
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OUT1
V
SSP1
V
DDP2
DRIVER
HIGH
MBL461
OUT2
BOOT2
TDA8920TH
BOOT1
DRIVER
LOW
RELEASE1
SWITCH1
ENABLE1
CONTROL
AND
HANDSHAKE
PWM
MODULATOR
MANAGER
OSCILLATOR
TEMPERATURE SENSOR
CURRENT PROTECTION
STABI
MODE
INPUT
STAGE
mute
9
8
IN1−
IN1+
22
21
2017
16
15
V
SSP2
V
SSP1
DRIVER
HIGH
DRIVER
LOW
RELEASE2
SWITCH2
ENABLE2
CONTROL
AND
HANDSHAKE
PWM
MODULATOR
11
SGND1
7
OSC
2
SGND2
6
MODE
INPUT
STAGE
mute
5
4
IN2−
IN2+
1924
V
SSD
HW
1
V
SSA2
12
V
SSA1
3
V
DDA2
10
V
DDA1
231318 14
V
DDP2
PROTSTABI
V
DDP1
TDA8924TH
ES6628
8/16-MB
DRAM
RF Amp
VFD Driver
Audio DAC
T
V Display
Speakers
Video
EEPROM
A/V Receiver

Vibratto-II
VFD Panel
Audio ADC
Microphone I

n
S/PDIF
ROM/Flash
Motor Driver
OPU
Motor
DVD/CD
IR Remote
ES6603
28
27
26
25 24
23
22
MUTE
BIAS
VINTK
OP1N+
OP1N-
VINLD
GND
21
20 19 18 16 15
1
2 3 4 5 6 7
8
9 10 11 12 13
14
VINPC OP2N+
OP2N-
VINSL+
OP2OUT
FWD REV VCCL
VOTR-
VOTR+VOSL+
VOSL-
VOFC+
VOFC-
VCTLOP1OUT
VCC2
VOLD-
VOLD+
VOTK-
VOTK+
17
MUTE
Shut down
Thermal
25K
10K
10K
25K
25K
10K
10K
15K
+
-
+
-
+
-
+
-
Pre-DRV
PGND
Vcc1
Vcc2
Spindle
Driver(4X)
Actiator
Driver(6X)
Actiator
Driver(6X)
Driver(4X)
Sled
TRY
DRIVER
Vcc2
Vcc2
Vcc1
GND
GND
-
+
-
+