Sony CFD-ZW750 - Cd Radio Cassette-corder, Руководство по обслуживанию

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5-4. BLOCK DIAGRAM — MAIN SECTION —
CFD-ZW750/ZW770
M
23
78
67 17 18 19 20 21 68
2 4
31 32 29 30 66 38–41
76
12 3
CD L-CH
S301-1
REC PB
R-CH
1
32
19
29
30
10 7 28
27
14
15
12
20
A-L
B-L
BIAS
BIAS
TR-C
BIAS
TR-B
TU-L
AGC-T
CD-L
REC EQ
BIAS
OSC
LOGIC
MIC/HS A/B NOR/HI
FUNCTION
OUT-L
OUT-R
REC/PB
PRE AMP
IC301
RV301
TAPE
SPEED
Q306
M301
(CAPSTAN/REEL)
A
B
– +
ISS1
Q318
ISS3
Q319
Q316
Q307
Q304
T301
BIAS
OSC
Q317
MD
POWER
DETECTOR
Q340
R-CH
R-CH
R-CH
L-CH
HRP301
RECORD/
PLAYBACK
HEAD
(DECK B)
L-CH
R-CH
HP301
PLAYBACK
HEAD
(DECK A)
1
CD SECTION
R-CNT/ST-MO
2
CD SECTION
S304
(MD POWER)
DECK A
S307
(MD POWER)
DECK B
9V
9V
S301-3
REC
PB
REC
79 C-DOR
COM0 ROCK POP JAZZ CLUB MANUAL COM3
42–64
73•74
SEG0 SEG22 R-LATCH R-CLK
LCD801 LED
SWITCH
Q807
5 BAND
GRAPHIC
EQUALIZER
D806-809
TUNER
TUNER
POWER AMP
IC304
Q101
Q323(ZW770)
Q332(ZW750)
17
2 1 22 21 20
13
4
GRAPHIC
EQUALIZER
CONTROLLER
VOLUME/SOUND CONTROL
IC302
IC803
5 BAND PROCESSOR
IN2
OUT2
100 400
1K 4K
10K
VOL
SP901
SPEAKER
(L-CH)
R-CH
R-CH
J301
PHONES
Q301
Q302
Q305
Q303
S306
(MD PLAY)
DECK B
S801
CD DOOR
OPEN/CLOSE
22
S305
(MD PLAY)
DECK A
16
DUB
14
RADIO
3
CD
69
V-DATA/R-DATA
71
V-CLOCK
70
V-LATCH
15
TAPE
TC2 TC1
TUNER
TAPE
CD
X802
32.768KHz
X801
4.19MHz
CLOCK
SHIFT
Q801
CLOCK
SHIFT
Q802
RESET
IC802
B/UP +5V
REM +B
RST B-MUTE
2
SIRCS
RECEIVER
IC811
RMC
13
PCON
80
REGCK INT/SFT-CLK XTAL
24
KEY1
25
KEY2
26
KEY3
27
KEY4 EXTL
TXE
TX
BL-CONT
77 A-MUTE
LAMP ON
SWITCH
Q334, 335
CD 5V
SWITCH
Q313, 314
TUNER 6V
SWITCH
Q311, 312
PL801–803
CD 5V
CD
TUNER
6V
TUNER
CE CK
19
12 13 21 20 8
5
7
13 14 17 19 20
21 24
22 4 6
16 15
11
12
10
2
LP-OUT
AM-IN FM-IN X-OUT ST-IND X-IN IF-IN MO/ST BAND
X1
75KHz
14 9
18
11
AM
OSC
FM
OSC
AM
MIX
FM
MIX
AM
RF-IN
AM
OSC
MIX
OUT
FM OSC
FM
RF-IN
FM RF- OUT
IF
BUFFER
LPF1/
MO/ST
LPF2/BAND
AM
DET
7
FM
DET
AF
BUFFER
FM
MPX
MUTE
R-CH
QUAD
R-OUT
MPX-
IN
DET-
OUT
L-OUT
CF2
CF1
CFT1
AM IFT
AM
IF-IN
FM
IF-IN
D1 D2
D10
CT1
L1
FM-RF
L2
FM-OSC
CT2
L3
AM
FERRITE-ROD
ANTENNA
FL1
04
BPF
ANT1
FM
TELESCOPIC
ANTENNA
D3
L4
AM-OSC
FM/AM FRONT-END,
IF DET, FM STEREO
DEMODULATOR
IC1
SYSTEM CONTROL
IC801 (2/2)
PLL
IC2
S301-4
HIGH
NORMAL
3
1
OSC-
OUT
• Signal path
: FM
: AM
: PLAY (DECK A)
: PLAY (DECK B)
: REC (DECK B)
: CD
• R-ch : same as L-ch.
1
3
S301
ISS
3 2 1
9V
TUNER
6V
TUNER
6V
TUNER
6V
TUNER
6V
TUNER
6V
TUNER
6V
TUNER
6V
TUNER
6V
IF-OUT
ST-IND
BAND
3 DI
DO
Q1
LED
SWITCH
Q808-810
ZW770
DUBBING
SWITCH
Q308-310
1KHz BAND
DETECTOR
Q315
5 BAND GRAPHIC EQUALIZER
RV401-405
MEGA BASS
DETECTOR
Q321, 322
S303
HIGH-SPEED
DUBBING
D906
D907
D908
D321
BACK UP
SWITCH
Q320, 324, 325,
327-329
POWER
SWITCH
Q338, 339
6V REG
(FOR AUDIO)
Q331
6.2V REG
(FOR CD)
Q333
REG. CHECK &
REM+B SWITCH
Q336, 337
J901
~ AC IN
D814
OPR/BATT
D810
MANUAL
T901
POWER
TRANSFORMER
2 3
IC305
BACK UP 5V IC
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
3PCS, 4.5V
(BACK UP)
DRY BATTERY SIZE "D"
(IEC DESIGNATION R20)
6PCS, 9V (POWER)
REM+B
B/UP
+5V
9V
VT 9V
CD 6.2V
R367
9V
9V 6V
6V
6V REG
(FOR AUDIO)
Q331
7.5V REG
(FOR B/L)
Q332
RECT
D905, 909-911
RECT
D901-904
5V REG
(FOR CD/TUNER)
Q330
TUNER 5V
5V REG
(FOR CD/TUNER)
Q330
TUNER
5V
9V
R901
F901
Q811–813
ZW770
ZW770
6V
S824-827 S816-823 S808-815 S803-807
12
11
10
9
6
4
3
2
5
A06/10KHz
DATA
CLK
LAT
A05/4KHz
A04/1KHz
A03/400Hz
A02/100Hz
A01/VR
EQ10K
EQ4K EQ1K
EQ400 EQ100
6V
6V
ZW770
ZW750
ZW770
ZW770
ZW750
ZW770
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2
8 9
4 2
9 8
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Q Q
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