Key Board Left - Philips CDR785/00 Service Manual

Philips compact disc recorder service manual
Hide thumbs Also See for CDR785/00:
Table of Contents

Advertisement

BLOCK DIAGRAM

KEY BOARD left

1480
KEY MATRIX
KEY0
LED CON2
LED CON1
LED CON0
CD 3
CD 2
CD 1
ON/OFF
+5VST
+5V
STANDBY
ON/OFF
off
on
1481
NTC
INTERFACE BOARD
1308
2
1
1309
FAN CONTROL
6304
OPT. IN
1312B
DIG IN
EBU_OUT_CD
7320
RECORDING SELECTOR
HEF4052B
4, 11
V_AMP1+
1311B
2, 15
LINE_IN
LINE
ANALOG
5, 14
IN
3, 13
7323
CD
1, 12
CD
LM833D
V_AMP1-
8
6
VSS
LOGIC
7
16
-8V
VEE
VDD
+5VS
10
9
ANA_SW_1
ANA_SW_0
1303
1
1805
23
CD - CHANGER MODULE
for details see
separate block diagram
CDR785, 220300
6-1
FRONT BOARD
STEP
1
2
3
4
5
CD RW
-F
1402
9
9
+5V
5VST
+5VST
7415
ON/OFF
RC5
IR EYE
2
2
1
LED CON0
3
LED CON1
LED CON2
+C
31 VAREF
+yP
+5VST
32
VDD
KEY0
+yP
1
1
88
VDD-CPU
RESET
RESET
92
f
0
FAN
1400
12
2
1
1301
12
7371
+12V
7302
DIGITAL-IN SELECTOR
HEF4052B
4, 11
OPT _IN
OPT
2, 15
+IC
7301C
DIG_IN
5, 14
DIG
74LVU04D
3, 13
1, 12
CD
8
6
VSS
LOGIC
7
16
VEE
VDD
+5VD
10
9
DIG_SW_1
DIG_SW_2
23
1
CN101
MAINS BOARD
for details see
separate block diagram
TEXT TOTAL TRACK TIME TOTAL REM
REC
TRACK TIME
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 +
COMPILE CD TRACK PROG
DIGITAL
12
CD RW
OPTICAL
12
SHUFFLE REPEAT ALL EDIT
ANALOG
RECORD IN PROGRESS
FINALIZE ALC
+F
+D
+5V
+5VST
8
5
33 - 76
51
96
7413
VDD-VFT
6
EEPROM
99
7412
MICROPROCESSOR
TMP88CU77ZF
-30V
VKK
87
VASS
30
VSS
29
89
91
5406
12MHz
-F +F
-30V +5V
+5VST
NC
1
1401
1
1
1302
1
NC
-F +F -30V +5V
+5VST
LOGIC CONTROL LINES
+5V +5VS +5VD +IC
+3V3
+12V
V_AMP+ V_AMP1+
+5VST
-F +F -30V
1305
1
11
CON1
(Supply) ON/OFF
1
+5V EVER
-F1
+F1
-38V
CON2
1501
7
+5V
+5V
+5V
GND
GND
GND
+12V
GND
+12V
GND
-8V
+12V
11
-8V
1
6-1
1405
12
+5V
1430
12
KEY2
LED CON3
KEY1
LED CON4
LED CON5
JOG B
LED CON6
JOG A
LED CON7
LED CON7
JOG A
LED CON6
JOG B
LED CON5
LED CON4
KEY1
LED CON3
CDR
AUX
KEY2
1
+5V
1
16
1
7
1403
7003A
DIGITAL-OUT SELECTOR
16
HEF4053BP
EBU_OUT_CD
12
CD
14
13
CDR
2
CD
15
+5V
1
CDR
8
VSS
16
LOGIC
VDD
7
VEE
KILL
11
9
DigSw0
CD_L, R
1, 12
CD_RW_L, R
5, 14
2, 15
4, 11
8
7
-8V
-8V
V_AMP- V_AMP1-
1307
1
6
1306
1
1704
1
7
1
6
1702
5
CONTROL INTERFACE
DIGITAL IN / OUT
7
+5V
AUDIO SIGNAL INTERFACE
CDR MODULE
+5V
for details see
separate block diagram
+12V
-8V
1
KEY BOARD right
KEY MATRIX
JOG CONTROL
1457
Rec/Pb indication
blue
red
YES
+5V
+IC
+IC
1312A
7301
7301
74LVU04D
74LVU04D
DIGITAL
OUT
+5VD
KILL
7321
ANALOG SELECTOR
HEF4052B
MUTE
CD
CDR
V_AMP1+
1311A
7324
LM833D
3, 13
ANALOG
MUTE
OUT
V_AMP1-
6
VSS
LOGIC
16
+5VS
VEE
VDD
10
9
DigSw0
REC BUFFER
MICROPHONE AMPLIFIER
V_AMP1+
V_AMP1+
7336
7335
7322
LM833D
LM833D
7322
V_AMP1-
V_AMP1-
Mono/
AnaSw2
Stereo
DigSw2
5
1304
1
8
1
1420
1690
1
8
+12V
1491
7650
3661
NJM4556AM
HEAD-
PHONE
HEADPHONE-
MICROPHONE
-8V
BOARD
+12V
1492
7680
LM833D
MICRO-
3695
PHONE
-8V

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Cdr786/00Cdr785/01cCdr785/17Cdr785Cdr786

Table of Contents