Main Section - Sony HCD-ZX50MD Service Manual

– MAIN SECTION –
J101
VIDEO
(AUDIO)
L
IN
S100
MD-RESET
D701,702
IC502
OR
MD-
RESET
5 3
BUCKUP
IC501
RESET
VREF 1 3
ST-L
ST-R
ST-CLK
ST-D OUT
ST-D IN
ST-CE
TUNED
STEREO
ST MUTE
TUNER UNIT
RV311
PLAYBACK
IC611
LEVEL
DECK A
L
HP101
PB HEAD
(DECK A)
R CH
R
RV301
IC601
PLAYBACK
L
LEVEL
REC/PB HEAD DECK B
(DECK B)
R R CH
IC602
RV341
1
3
REC
BIAS
R
P
HRPE101
4
REC/PB
T621
REC BIAS
ERASE BIAS
ERASE HEAD
X
09
IC101
SOUND PROCESSOR
REC B2 60
SW OUT 72
BUF OUT2 37
66 IN E2
Q101
67 IN D2
BB A2 40 SWITCH
BB B2 39
69 IN B2
70 INA2
MIC IN 64
MIC
REC A2 61
SPEANA
L+R OUT 30
RESET
62 63 32 33 34
IC202
CHINEMA
10 7
SPACE
L OUT L IN
CONT2 CONT3
2 3
R CH
S1004
S1008
A CrO2
B CrO2
16 17 19 28 27
A 120/70 B NORM/CROM/
PB-A/B
METAL
70
A IN PAS
48
B IN
120
46
DOL
DOLBY NR
RV301
REC LEVEL
REC OUT DOLBY
39
TYPE B
EQ OUT EQ IN
36 38
BIAS SW
33
Q621,622
+12V
Q623
BIAS
OSC
SECTION
(Page 54)
IC801
POWER AMP
14 +
LOUT
–
13
MD
C
SECTION
12
(Page 55)
J102
L IN
WOOFER
IC801
OUT
Q130
POWER AMP
MUTE
18 +
Q102
–
MUTE 17
16
Q961
MUTE
CONTROL
RCH
Q962,963
MUTE
SWITCH
D181
Q184
FEEDBACK
OR
D
IC401 (1/2)
MASTER CONTROL
SYSCON/
26 FRONT RY
SERVO
STK-MUTE 25
Q181,182
Q183
SECTION
DELAY HEAD PHONE 35
(Page 56) 36 LINE MUTE
OR
PROTECT 24
4 AC CUT
Q501
RESET MC 27
12 RESET
SWITCH
43
502-LAT
44 502-DATA
45 502-CLK
42 PL-DATA/SUR2
41 PL-CLK/SUR1
46 ST-CLK
47 ST-D IN
48 ST-D OUT
49 ST-CE
50 TUNED
51 STEREO
52 ST MUTE
60 PB-A/B
53 AMS IN
IC301
DOLBY NR
26
MS
CD-POWER 22
PB OUT
40
LM ON/
25 54 TC MUTE
OFF
NORM/
59 EQ-H/N
18
HIGH
NR ON/
23 56 NR-ON/OFF
OFF
24 55 R/PB/PASS
PB
LIN
43
BIAS ON/OFF
20 58
BIAS
POWER 94
22 57 REC MUTE
RM ON/OFF
ALC ON/OFF 15 61 ALC
63 TC-RELAY
OPTSEL 34 RST1(OPTSEL)
CTRL 32 SQ-DATA(X1-X2)
SENS SENS
95
CD-DATA
DATA 1 DB-DATA
STBY-RELAY 23
XLT DB-LAT
3
CD A
CLK 2 DB-CLK
SCOR SCOR
19
SQ-DATA
SUBQ 6 SQ-DATA-IN
SCLK SQ-CLK
7
MD BUCKUP
LPH HOLD
97
XRST 100 XRST
LDON TXB1(LDON)
31
57 57
US,AEP,UK,G,AED,CIS
7
6
E,MX,AR,HK,MY,SP,KR,AUS
TM801
RY881
11
Q881,883
R CH
RELAY
10
DRIVER
Q895,896
PROTECT
+5V
Q801
SWITCH
THERMAL
D831
PROTECT
Q185
Q841,842
Q941,942
THERMAL
FAN
DET.
DRIVER
Q893 Q891,892
LATCH PROTECT
R CH
DRIVER DC AMP
Q821
MUTE
Q822
MUTE
SWITCH
Q897 Q894
PROTECT LATCH
+5V
SWITCH DRIVER
TRANSFORMER
D991-994
IC906
+7V
LED +7V 3 1
REG.
M +7V
IC905 Q921,922
+12V POWER
TC +12V 3 1
REG. SWITCH
IC909
JW914
+10V
+10V 3 1
REG.
D911
+VH
JW915
–VH
E,MX,AR,HK,MY,SP,KR,AUS
F916
D951
Q913
B+
D +5V
+VL
SWITCH
(BD)
F917
Q912
POWER
–VL
SWITCH
Q981
VFDP REG.
Q910,911 IC903
B+ +5V
D +5V
3 1
SWITCH REG.
VREF
D995-998
D504
Q901,902 IC901
B+ +5V
+5V 3 1
SWITCH REG.
POWER Q902
SWITCH Q905,906
IC902
B– –5V F2
–5V 3 2
SWITCH REG.
Q903,904
IC908
+5V
MD H+5V 3 2
REG. F1
RELAY
DRIVER
IC910
Q901
D915
3.3V
MD3.3V 3 1
REG.
MDA3.3V
D901-904 TRANSFORMER
D916
D917
IC901
+5.6V
+5.6V 3 1
REG.
HCD-ZX50MD
• RCH is omitted
• SHIGNAL PATH
: CD
: FM
: PB (DECK A)
L
: PB (DECK B)
FRONT
SPEAKER
: REC (DECK B)
R
: MD(PLAY)
: MD(REC)
M941
(FAN)
J1691
PHONES
E,MX,AR,HK,MY,SP,KR,AUS
S901 VOLTAGE
T901
SELECTOR
POWER
230-240V
E,AR,HK,
MY,SP
220V
120V
E,AR,HK,MY,
SP,AUS
AUS
F913
T2AL JW923
KR
F912
JW922
T2.5AL
E,AR,HK,MY,SP,KR
MX
F911
JW921
T4AL
E,MX,AR,HK,
MY,SP
US,AEP,UK,G,AED,CIS
US MODEL
F911
T5AL JW921
JW911
EXCEPT US
RY901
T902
SUB
AC IN