Service Manuals, User Guides, Schematic Diagrams or docs for : Philips Audio MC-320 Diagrama-MC320
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3-1 3-1
SET BLOCK DIAGRAM
L LCD DRIVE IC
AUX LCD
MCU TO POWER HT1622
TMP87EP26F
R SUPPLY
AM ANT HEADPHONE OUT
AM
RF
TO CASS DECK
AM IF
AM OSC
POWER
IC 101 AMP SPK
TA2149BN AN17830A
TU-L
TDA T468D
TU-R FUNCTION IC
PRE-AMP
NJM4556AM
FM FM PLL
VCC SW
OSC IF TC
FM RF 9257F
P/B-R STP16
N106
CASSETT BA316N TA 8142AP P/B-L
D602
D603
DECK
V H:16V
V L:8V
85KHZ REC-L
OSC
REC-R +6V L7806
+12V KA7812
POWER
SUPPLY
+ CD 8V
RF CD-R
CD
DECK TA2153FN CD-L
DSP
TC9462F
DRIVE IC
TA2092N
4-1 4-1
SET WIRING DIAGRAM
5-1 5-1
HT1622
Block Diagram
D is p la y R A M
O S C I
C S C o n tro l
C O M 0
R D a n d
T im in g
C O M 7
KEY BOARD W R C ir c u it L C D D r iv e r /
B ia s C ir c u it S E G 0
D A T A
V D D S E G 3 1
V S S V L C D
B Z T o n e F re q u e n c y W a tc h d o g T im e r
G e n e ra to r a n d IR Q
B Z T im e B a s e G e n e r a to r
Pin Assignment
S E G
S E G
S E G
S E G
S E G
S E G
S E G
S E G 2 4
S E G
S E G
S E G
S E G
TABLE OF CONTENTS
N C
3 1
3 0
2 9
2 8
2 7
2 6
2 5
2 3
2 2
2 1
2 0
IC Block Diagram ........................................................................ 5-1
6 4
6 3
6 2
6 1
6 0
5 9
5 8
5 7
5 6
5 5
5 4
5 3
5 2
C S 5 1 N C
Circuit Diagram ........................................................................... 5-2 1
N C 2 5 0 N C
Layout Diagram-Component ...................................................... 5-3 R D 3 4 9 N C
W R 4 4 8 S E G 1 9
Layout Diagram-SMD ................................................................. 5-3
D A T A 5 4 7 S E G 1 8
Electrical parts list ...................................................................... 5-4 V S S 6 4 6 S E G 1 7
O S C I 7 4 5 S E G 1 6
V D D 8 4 4 S E G 1 5
V L C D 9 0 6 $ 4 3 S E G 1 4
IR Q 1 0 $ " 3 . 2 4 2 S E G 1 3
B Z 1 1 4 1 S E G 1 2
N C 1 2 4 0 S E G 1 1
B Z 1 3 3 9 S E G 1 0
T 1 1 4 3 8 S E G 9
T 2 1 5 3 7 S E G 8
T 3 1 6 3 6 S E G 7
C O M 0 1 7 3 5 N C
C O M 1 1 8 3 4 N C
N C 1 9 3 3 N C
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
C O M 2
C O M 3
C O M 4
C O M
C O M
C O M
S E G
S E G
S E G
S E G
S E G
S E G
S E G
0
1
2
3
4
5
6
5
6
7
2 January 10, 2001
5-2 5-2
CIRCUIT DIAGRAM - FRONT BOARD
6-2 6-2
CIRCUIT DIAGRAM
7-1 7-1
AM/FM TUNER IC
TA2149BN
TUNER BOARD
TABLE OF CONTENTS
IC Block Diagram ............................................................. 7-1 to 7-3
Circuit Diagram_Non Cenelec .................................................... 7-4
Layout Diagram-Component_Non Cenelec ............................... 7-5
Layout Diagram-SMD_Non Cenelec .......................................... 7-5
Circuit Diagram_Cenelec ........................................................... 7-6
Layout Diagram-Component_Cenelec ....................................... 7-7
Layout Diagram-SMD_Cenelec ................................................. 7-7
Electrical parts list ...................................................................... 7-8
7-2 7-2
RDS/RBDS DECODER RDS/RBDS DECODER
BU1923F BU1923F
BLOCK DIAGRAM Pins Description
560p
CMP Pin No. Symbol Pin name Functions Input/Output type
MUX (4) 100k (7) (8) 1 QUAL Demodulator quality Good data: High, bad data : Low Type C
VSS3
2 RDATA Demodulator data Refer to output data timing
270p
120k 100k
8th Switched 3 Vref Reference voltage 1/2 VDD1 (refer to input/output circuits) Type E
capacitor filter
4 MUX Input Composite signal input (refer to input/output circuits) Type D
comparator 5 VDD1
anti-aliasing
filter
Analog power supply 4.5V to 5.5V
Vref (3) 6 VSS1
RCLK 7 VSS3 GND
(16)
2.2F
8 CMP Comparator input C-junction (refer to input/output circuits ) Type D
VDD1 (5)
9 T2
1 Analog Test input Open or connected to ground Type B
Power supply 10 T1
(1) QUAL
11 VDD2
VSS1 (6)
Digital power supply 4.5V to 5.5V
12 VSS2
13 XI Connects to 4.332MHz oscillator
PLL RDATA Crystal oscillator Type A
PLL Bi-phase Differential (2) 14 XO (refer to input/output circuits)
57kHZ
1 VDD2 (12) 1187.5Hz decoder decoder
RDS/ARI
15 (N.C.)
2 Digital
Power supply 16 RCLK Demodulator clock 1187.5Hz clock (refer to the timing diagram) Type C
VSS2 (11)
Measurement
Reference circuit
clock
(13) (14) (10) (9)
XI XO Type A Type B Type C
T1 T2
4.332MHZ
1: VDD1 and VDD2 are separated within the IC. 10M
2: Have VDD2 (digital power supply) of a sufficiently low impedance.
33pF 33pF
3: Match the capacitor constants with the crystal manufacturer.
3 3
RCLK
(N.C.)
VDD2
VSS2
XO
T1
T2
XI
16 15 14 13 12 11 10 9
Type D Type E
+
+
1 2 3 4 5 6 7 8
QUAL
RDATA
Vref
MUX
VDD1
VSS1
VSS3
CMP
7-3 7-3
DIGITAL TUNING IC DIGITAL TUNING IC
TC9257F TC9257F
7-4 7-4
CIRCUIT DIAGRAM - TUNER BOARD (NON CENELEC)
8-2 8-2
MICROPROCESSOR MICROPROCESSOR
TMP87EP26F TMP87EP26F
BLOCK DIAGRAM PINS DESCRIPTION
8-3 8-3
MICROPROCESSOR POWER DRIVER IC
TMP87EP26F TA2092N
PINS DESCRIPTION
8-4 8-4
DIGITAL SERVO PROCESSOR
TC9462F
BLOCK DIAGRAM
8-5 8-5
DIGITAL SERVO PROCESSOR DIGITAL SERVO PROCESSOR
TC9462F TC9462F
PINS DESCRIPTION PINS DESCRIPTION
8-6 8-6
DIGITAL SERVO PROCESSOR DIGITAL SERVO PROCESSOR
TC9462F TC9462F
PINS DESCRIPTION PINS DESCRIPTION
8-7 8-7
CIRCUIT DIAGRAM - MCU&CD BOARD
9-2 9-2
CONNECTION PCB CIRCUIT DIAGRAM
10-2 10-2
MAIN BOARD - CIRCUIT DIAGRAM
10-3 10-3
TAPE PART - CIRCUIT DIAGRAM
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