DOWNLOAD Sony DAV-HDZ273 / HCD-HDZ273 Service Manual ↓ Size: 4.65 MB | Pages: 80 in PDF or view online for FREE

Model
DAV-HDZ273 HCD-HDZ273
Pages
80
Size
4.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-hdz273-hcd-hdz273.pdf
Date
PREV: Sony STR-DG820 (serv.man2) Service Manual

Sony DAV-HDZ273 / HCD-HDZ273 Service Manual ▷ View online

HCD-HDZ273
HCD-HDZ273
41
41
CN904
D
BOARD
POWER
JACK
BOARD
C
CN108
(5/9)
BOARD
MAIN
28
CN114
BOARD
SPEAKER
A
B
CN114
SPEAKER
BOARD
MAIN BOARD (8/9)
35
12
11
10
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
3.3
0
3.3
11
.9
6.7
4
4
6.7
4
4
3.3
1.8
3.3
1.3
3.3
1.6
3.3
0
3.3
1.6
1.7
1.2
3.3
1.8
1.7
1.6
3.3
1.6
1.6
3.3
1.6
3.3
3.3
0
0
3.3
3.3
3.3
1.8
3.3
1.5
1.7
1.7
1.7
1.7
3.3
1.7
1.7
3.3
3.3
1.6
1.8
3.3
1.2
3.3
0
1.7
3.3
1.7
1.6
3.3
1.6
1.7
3.3
3.3
3.3
1.6
3.3
1.6
1.6
1.6
1.5
3.3
0
3.3
3.3
3.3
3.3
0
1.8
3.3
1
16
27
3.3
3.1
3.3
32
16
32
3.3
32
32
11.9
1.6
16
16
27
32
16
11.9
16
32
1.7
11.9
1
16
27
3.3
3.1
3.3
32
16
32
3.3
32
32
11.9
1.6
16
16
27
32
16
11.9
16
32
1.7
11.9
1
16
27
3.3
3.1
3.3
32
16
32
3.3
32
32
11.9
1.6
16
16
27
32
16
11.9
16
32
1.7
11.9
1
16
27
3.3
3.1
3.3
32
16
32
3.3
32
32
11.9
1.6
16
16
27
32
16
11.9
16
32
1.7
11.9
15.9
15.9
0
15.9
15.9
15.9
15.9
0
15.9
15.9
15.9
15.9
0
15.9
15.9
15.9
15.9
0
15.9
15.9
R3086
R3049
100k
0.1
C3163
0.1
C3208
0.1
C3263
0.1
C3258
0.1
C3108
0.1
C3213
0.1
C3158
10V
100
C3090
16V
47
C3021
16V
47
C3011
35V
100
C3212
35V
100
C3159
35V
100
C3259
35V
100
C3162
35V
100
C3109
35V
100
C3209
35V
100
C3112
35V
100
C3262
0.1
C3051
10V
220
C3056
16V
100
C3054
16V
220
C3091
C3216
2200
35V
C3266
2200
35V
C3166
2200
35V
1
C3114
1
C3115
1
C3164
1
C3264
1
C3165
1
C3265
1
C3215
1
C3214
5p
C3058
100p
C3083
100p
C3087
100p
C3088
100p
C3094
100p
C3085
100p
C3086
100p
C3084
0.1
C3053
1000p
C3059
1000p
C3123
1000p
C3423
1000p
C3122
1000p
C3172
1000p
C3422
1000p
C3173
0.01
C3055
0.01
C3057
0.1
C3018
0.1
C3030
0.1
C3012
0.1
C3028
0.1
C3027
0.1
C3026
0.1
C3023
0.1
C3022
0.1
C3020
0.1
C3019
0.1
C3017
0.1
C3016
0.1
C3015
0.1
C3014
0.1
C3029
0.1
C3025
0.1
C3024
0.1
C3013
100
R3054
100
R3102
100
R3252
100
R3251
100
R3202
100
R3201
R3152
100
R3151
100
100
R3101
47
R3055
470
R3053
100
R3026
100
R3024
22
R3023
100
R3017
R3015
100
R3014
22
470
R3012
470
R3011
470
R3021
470
R3022
10k
R3013
15k
R3157
22k
R3091
22k
R3092
22k
R3093
22k
R3094
33k
R3085
33k
100k
R3226
100k
R3426
100k
R3425
100k
R3125
100k
R3225
R3176
100k
R3175
100k
100k
R3126
1M
R3052
0
R3104
0
R3154
0
R3204
0
R3254
1uH
L3054
49.1MHz
X3051
5
4
3
2
1
CONT
GND
NP
VOUT
VIN
RT1P141C-TP-1
Q3081
H/P MUTE DRIVE
8
7
6
5
4
3
2
1
NJM4565M(TE2)
IC3001
C3113
0.1
C3116
2200
35V
C3060
10p
JL3059
JL3058
JL3057
JL3056
JL3055
JL3054
JL3053
JL3044
JL3043
JL3042
JL3041
JL3040
JL3039
JL3038
JL3037
JL3036
JL3035
JL3034
JL3033
JL3032
JL3031
JL3030
JL3029
JL3028
JL3027
JL3026
JL3025
JL3024
JL3023
JL3022
JL3021
JL3004
JL3003
TP3301
TP3102
TP3103
TP3084
TP3083
TP3082
TP3054
TP3030
TP3304
TP3022
TP3053
TP3302
TP3015
TP3250
TP3002
TP3081
TP3136
TP3101
TP3024
TP3303
TP3110
TP3036
TP3150
TP3210
TP3026
TP3104
1
2
3
4
4P
CN3001
HP-R
GND
HP-L
H/P MUTE
HPMUTE
D3.3V
A12V
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
12
13
14
15
16
17
CXD9883M
IC3150
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
12
13
14
15
16
17
CXD9883M
IC3200
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
12
13
14
15
16
17
CXD9883M
IC3250
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
12
13
14
15
16
17
CXD9883M
IC3100
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
1
3
4
5
5P
CN3100
FR +
FR -
FL -
FL +
1
C3052
JL3107
JL3110
JL3112
JL3113
JL3114
JL3115
JL3116
JL3117
15k
R3257
15k
R3207
15k
R3107
1000p
C3323
JL3087
0.033
C3157
0.033
C3107
0.033
C3257
0.033
C3156
0.033
C3206
0.033
C3207
0.033
C3256
0.033
C3106
0.1
C3253
0.1
C3255
0.1
C3150
0.1
C3203
0.1
C3155
0.1
C3205
0.1
C3105
0.1
C3250
0.1
C3153
0.1
C3200
0.1
C3103
0.1
C3100
0
R3041
0
R3042
1000p
C3322
0
R3040
0
R3043
TP3029
TP3131
TP3130
TP3129
1
3
4
5
5P
CN3200
SR +
SR -
SL -
SL +
R3127
100k
R3177
100k
R3427
100k
R3227
C3124
2.2
C3125
2.2
C3126
2.2
C3127
2.2
100p
C3092
100p
C3093
10k
R3087
10k
R3088
10k
R3090
10k
R3089
33k
R3099
3.3k
R3095
4.7k
R3096
0
R3253
0
R3103
0
R3153
R3165
0
R3265
0
0
R3216
R3115
0
0
R3166
0
R3266
0
R3203
0
R3116
R3215
0
100k
R3051
RSA39L
TE25
D41
11
RSA39L
TE25
D41
12
RSA39L
TE25
D4151
RSA39L
TE25
D4152
RSA39L
TE25
D4201
RSA39L
TE25
D4202
RSA39L
TE25
D4251
RSA39L
TE25
D4252
E
EB3002
(CHASSIS)
C3003
1000p
0.1
C3117
0.1
C3167
0.1
C3217
0.1
C3267
0.1
C3154
0.1
C3104
0.1
C3254
0.1
C3204
10V
220
C3082
10V
220
C3081
C3008
0.1
1
2
3
4
4P
CN904
P-GND
P-GND
+31.5V
+31.5V
123456789
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9788AR
IC3010
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLA
TCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
1234567
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9788AR
IC3020
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLA
TCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
10uH
L3053
10uH
L3051
L3052
10uH
ISA1235AC1TP-1EF
Q3152
ISA1235AC1TP-1EF
Q3101
ISA1235AC1TP-1EF
Q3151
ISA1235AC1TP-1EF
Q3102
ISA1235AC1TP-1EF
Q3201
ISA1235AC1TP-1EF
Q3402
ISA1235AC1TP-1EF
Q3202
ISA1235AC1TP-1EF
Q3401
8
7
6
5
4
3
2
1
IC3051
TC7WHU04FK(T5RSOYF)
1A
3Y
2A
GND
2Y
3A
1Y
VCC
0
R3050
3
2
1
4
10uH
L3101
3
2
1
4
10uH
L3102
3
2
1
4
10uH
L3201
3
2
1
4
10uH
L3202
Bup3.3V
0
D-GND
R3047
10k
33k
R3098
AMP_MCKO
DA
TA1
DA
TA2
AMP_BCKO
AMP_LRCKO
OVF
D-GND
FSOI
DVDD
D3.3V
NSPMUTE
XFSO
RESET
SD
A12V
P-GND
32V
DCDET
P-GND1
SC_DT
PGMUTE
INIT
SOFTMUTE
SCSHIFT
SC_DT
PGMUTE
SCSHIFT
SOLATCH1
SOFTMUTE
INIT
SOLATCH2
OVF
-
-
+
+
(DATA1)
(DATA2)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
IC3250
IC3200
IC3150
IC3100
CLOCK OSCILLATOR
IC3051
IC3050
HEADPHONE AMP
IC3001
IC3010
IC3020
(9/9)
MAIN BOARD
INIT
,OVF
,OVFFLAGR2,
PGMUTE,SCSHIFT
,SC_DT
,
SMASTER-CONTROL, SOFTMUTE,SOLA
TCH1,
SOLA
TCH2,SOLA
TCH3
Q3201,3202
DC BALANCE DETECT
Q3401,3402
DC BALANCE DETECT
Q3151,3152
DC BALANCE DETECT
Q3101,3102
DC BALANCE DETECT
DIGITAL POWER AMP
DIGITAL POWER AMP
DIGITAL POWER AMP
DIGITAL POWER AMP
S-MASTER PROCESSOR
S-MASTER PROCESSOR
15
A
16
11
3
12
H
K
8
2
13
1
G
I
F
C
5
J
10
14
6
D
B
E
4
7
9
TK11118CSCL-G
IC3050
+1.8V REG
6-16.  SCHEMATIC  DIAGRAM  – MAIN Board (9/9) –
• See page 25 for waveforms.   • See page 50, 51, 52 for IC Block Diagrams.
(Page 45)
(Page 37)
(Page 49)
(Page 40)
(Page 47)
(Page 47)
HCD-HDZ273
HCD-HDZ273
42
42
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
I/O  BOARD
JACK
BOARD
CN106
Q
MAIN
BOARD
CN702
G
MAIN
BOARD
CN603
M
MAIN
BOARD
CN4302
J
IC413
IC620
IC404
IC411
1
4
I
O
1
8
9
16
15
14
28
1
B
E
B
E
JR
JR
JR
JR
JR
JR
JR
JR
JR
JW564
JW565
JW566
JW567
JW568
JW569
JW570
R600
JW571
R601
JW572
R602
JW573
R603
JW574
JW575
JW576
JW577
JW578
R609
JW580
R610
CN402
1
21
6 17
JW582
JW583
JW584
JW585
CN407
1
17
2
16
JW589
JW590
R620
5
1
6
2
LP401
JW591
CN412
JW594
8
2
9
1
JW596
JW597
CN418
CN419
R439
R444
R445
R446
R447
R448
R449
R452
CL501
CL502
C620
R468
C621
1
3
4
6
C622
R473
R479
R480
R481
R485
R486
R489
R490
C454
R491
C456
C457
C458
JL440
JL441
JL442
C460
JL444
JW601
JL445
JW602
C462
C463
JL447
JL449
D406
C466
JW607
C467
D407
C468
JW609
JL450
JL451
Y
COMPONENT VIDEO OUT
TV/VIDEO
P
B
/
C
B
P
R
/
C
R
JL452
JL453
C470
JL454
JL456
C473
JL457
C474
C476
C478
JL460
C480
JL466
JL467
JL468
C488
JL470
C491
JL478
C495
C496
C499
JL480
JL481
JL486
JL488
JL490
JL491
J401
VIDEO OUT
R
L
AUDIO IN
J404
JL492
JL493
JL495
JL497
JL498
JL499
R515
R516
R523
R525
R527
R528
R533
R538
R539
R540
R541
1
2
3
R542
R548
R551
R552
R553
C518
R557
R558
JL500
R559
JL502
JL504
C521
JL506
C524
JL508
R561
C525
R562
R564
R566
R567
JL510
JL512
C530
JL514
JL516
C533
JL518
C535
C536
C537
C538
R575
R576
JL520
R579
JL522
JL523
JL524
C541
C542
JL526
JL528
JL529
R582
R584
C548
C549
JL530
JL531
JL532
JL533
JL535
C552
JL536
1-875-179-
11
(11)
JL538
JW501
JL539
JW502
C556
JW503
C557
JW504
C558
JW505
R595
C559
JW506
JW507
JW508
R598
JL540
JW509
R599
JL541
JL542
JL543
JL544
JL545
JL547
JW510
JL548
JW511
JL549
JW512
JW513
JW514
TU401
FM/AM
TUNER
COAXIAL
75Ω
FM
ANTENNA
AM
JW515
JW516
JR502
Q412
JW517
JR503
Q413
JR504
JL550
JR505
JL551
JR506
JL552
JR507
JL553
JR508
JL554
L404
JL555
JL556
JL557
L407
JW520
JL558
JW521
JW522
JW523
JW524
JW526
JL560
JR515
JL561
JR516
JL564
JL565
JW530
JW532
JW533
JW534
JW535
JW538
JW539
JW541
JW543
JW544
JW545
JW546
JW548
JW549
JW551
JW554
JW555
JW557
JW559
JW561
JW562
JW563
D411
R459
R623
R458
R622
R546
C482
C514
R591
R593
R592
6-17.  PRINTED  WIRING  BOARD  – I/O- Board –
• 
 : Uses unleaded solder.
• See page 25 for Circuit Boards Location.
(Page 44)
(Page 32)
(Page 31)
(Page 31)
 Ref. No.  Location
• Semiconductor 
Location
 D406 
B-6
 D407 
H-3
 D411 
F-7
 IC404 
D-5
 IC411 
E-9
 IC413 
H-3
 IC620 
E-2
 Q412 
D-7
 Q413 
D-8
HCD-HDZ273
HCD-HDZ273
43
43
3.3
2.7
2.1
2.7
1.1
2.4
1.6
3.3
0
1.6
3.3
1.9
1.8
5
2
5
4.5
3.7
0
4.5
9.1
4.5
4.4
4.5
4.5
4.4
<9.1>
4.5
3.7
<9.1>
0
3.2
<0>
0<9.1>
<0>
3.2
0<9.1>
5
11.8
1.3
6.5
9.1
11.9
6.3V
1000
C462
75
R439
75
R449
75
R452
L404
10uH
16V
100
C456
16V
100
C458
50V
10
C470
0.1
C463
0.1
C473
10V
470
C474
C488
1000p
0.5%
150
R445
0.5%
150
R448
0.5%
150
R447
50V
10
C476
R473
75
JL478
JL480
1
C457
1
C454
1
C460
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
89
15
14
IC404
MM1758AFBE
Vcc1
Cin
MUTE1
CVBSin
YC MIX
Yin
GND1
BIAS
I/P
CYin
CLP
Cb in
MUTE2
Cr in
GND2
Cr OUT
GND2
Cb OUT
GND2
CY OUT
Y OUT
GND2
CVBS OUT
S2
S1
C OUT
S-DC OUT
Vcc2
50V
22
C466
0.5%
150
R446
25V
22
C559
16V
100
C541
47k
R491
47k
R552
RT1N241C-TP-1
Q413
4.7k
R551
4.7k
R559
25V
22
C499
50V
1
C518
220p
C491
47k
R539
R576
0
4.7k
R561
4.7k
R564
C548
1
220p
C525
RT1N241C-TP-1
Q412
0.1
C542
10uH
L407
220p
C535
25V
22
C530
16V
100
C557
10k
R599
1k
R579
25V
22
C495
47k
R567
4.7k
R486
47k
R527
10k
R582
1k
R584
4.7k
R489
47k
R566
47k
R481
3.3k
R533
25V
22
C524
4.7k
R485
50V
1
C533
0.1
C556
RB501V-40TE-17
D407
47k
R528
25V
22
C536
R562
0
100k
R603
47k
R553
220p
C496
0.1
C552
220p
C521
220p
C537
47k
R540
4.7k
R479
0
R609
3.3k
R538
16V
47
C549
25V
22
C538
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MC14052 BDR2
IC411
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
10k
R575
25V
22
C558
47k
R490
47k
R480
75
R468
6.3V
1000
C478
1000p
C467
JL457
JL447
JL445
JL444
JL453
JL530
JL532
JL533
JL460
JL456
JL454
JL452
JL451
JL449
JL466
JL468
JL470
JL488
JL490
JL497
JL499
JL493
JL492
JL495
JL498
JL516
JL506
JL514
JL510
JL502
JL512
JL500
JL508
JL528
JL526
JL524
JL543
JL544
JL545
JL547
JL550
JL548
JL549
JL551
0
R610
100k
R602
100k
R600
100k
R601
10k
R598
JL440
JL441
JL442
G
J401
I
O
COM
KIA7809API
IC413
JL504
1
2
3
4
5
5P
CN418
L-IN
A-GND
R-IN
A-GND
MUSIC L+R
1
2
3
4
5
6
7
8
9
9P
CN419
L-CH
+ B 9V
R-CH
GND
TUNED
CE
DI
CL
DO
1
2
3
4
5
6
TK11250CMCL-G
IC620
CONT
GND
Np
Vout
GND
Vi
n
1
C621
R620
1k
1
C622
0.1
C620
JL467
G
J404
2200p
C468
MC2837
D406
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN402
DMP_L
AGND
DMP_R
+6V
DMP_VIDEO
VGND
Y
VGND
C
VGND
CY/G
VGND
Cb/B
VGND
Cr/R
VGND
WIDE
0.5%
150
R444
JL450
1
C480
R595 0
C481
100p
CL501
(CHASSIS)
R541
0
0
R515
0
R516
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN407
1
2
3
4
4P
CN412
F- AUDIO (L)
9V
F- AUDIO (R)
GND
0
JR516
0
JR515
0
JR506
0
JR508
0
JR503
0
JR502
0
JR504
0
JR505
0
JR507
0
R623
0
R459
0
R622
0
R458
R548
0
R523
0
CL502
(CHASSIS)
R546
0
MC2837
D411
C482
100p
ASEL0
ASEL1
TD
CE
DI
CK
DO
TD
VSEL1
VSEL0
VSEL2
DO
CE
DI
VSEL0
VSEL1
ASEL0
ASEL1
VSEL2
CK
Y
I/O  BOARD
IC404
VIDEO DRIVER
IC411
INPUT SELECT
+5V REG
IC620
IC413
+9V REG
PACK
75 Ω  FM
TUNER
AM
FM/AM
ANTENNA
TU401
COAXIAL
VIDEO OUT
R
L
AUDIO IN
COMPONENT
VIDEO OUT
Y
P  /C
P  /C
B
B
R
R
2
12
6
11
C
I
H
G
3
B
E
F
4
7
A
9
1
10
5
D
8
13
A_SEL1
V_SEL2
ST_DI
ST_DO
A12V
ST_CLK
A_SEL2
V_SEL0
V_SEL3
V_SEL1
TV_SEL
TUNED
A_SEL5
A_SEL0
ST_CE
A_SEL4
A_SEL3
TV/VIDEO
Q412,413
INVERTER
C514
100p
R557
100
100
R558
R593
0
R592
100
R591
0
MAIN
CN603
BOARD
M
(5/9)
(7/9)
MAIN
BOARD
G
CN702
CN4302
BOARD
MAIN
J
(6/9)
BOARD
JACK
Q
CN106
3
2
1
IC B/D
IC B/D
6-18.  SCHEMATIC  DIAGRAM  – I/O Board –
• See page 25 for waveforms.   • See page 53 for IC Block Diagrams.
(Page 45)
(Page 37)
(Page 39)
(Page 38)
HCD-HDZ273
HCD-HDZ273
44
44
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
P-SW BOARD
JACK BOARD
Y
9
)
"
I/O
BOARD
CN412
FL
BOARD
CN100
O
MAIN
BOARD
CN502
N
Q
MAIN
BOARD
CN3001
C
IC103
IC102
IC104
1
2
1
9
2
8
JR
BE
BE
BE
B
E
BE
B E
8
1
4
5
B
E
8
1
4
5
BE
BE
A100
GR
Y
BLK
Q101
Q102
Q103
Q104
Q105
Q106
Q107
Q108
Q109
CL153
CL154
CL155
CL156
CL157
CL158
CL159
CL160
CL161
CL162
CL163
CL164
CL165
CL166
CL167
CL168
CL169
CL170
CL171
CL172
CL173
CL174
CL175
CL177
CL179
CL181
CL183
CL184
CL185
CL186
CL187
CL188
CL189
CL190
CL191
CL192
CL193
CL194
CL195
CL196
CL197
CL198 CL199
R109
R110
R111
R112
R113
R1
14
R115
R117
R1
18
CN101
CN102
CN103
R121
2
18
1
19
R122
CN106
R123
CN108
R126
R128
R129
R130
R131
R132
R133
R134
R135
R136
R137
R138
R139
R140
R141
R143
R144
R145
R146
R147
R148
R149
R150
R151
R152
R153
R154
R155
CL200
C121
CL201
C122
CL202
CL203
R160
C124
CL204
S100
CL205
S101
R162
C126
S102
S102
S106
FUNCTION
J101
PHONES
J100
AUDIO IN
A.CAL MIC
S107
VOLUME
S105
S103
S104
S101
S100
S103
S104
R165
S105
R166
S106
R167
S107
R168
1
4
1
4
R169
C132
C133
R170
C134
R171
C135
R172
C136
R173
C137
R174
C138
C139
C142
C143
C144
C145
C147
R184
C148
C149
R186
R187
C150
C151
C152
C153
JW100
JW101
JW102
JW103
C158
D104
C165
D107
C168
D108
JR101
JW115
C169
D109
JR102
JW116
JR103
1-875-161-
JW1
17
JW1
18
JW1
19
JW120
JW121
JW122
JW123
JW124
JW125
JW126
JW129
JW130
JW131
JW132
JW133
JW134
JW135
JW136
JW137
JW138
JW139
JW140
JW141
JW142
JW143
JW145
J100
J101
12
CN109
CL206
GRY
BLK
CL207
1-875-160-
C170
13
(13)
13
(13)
C166
C159
S108
S108
R185
FB105
FB106
FB104
FB102
FB103
6-19.  PRINTED  WIRING  BOARDS  – JACK, P-SW Board –
• 
 : Uses unleaded solder.
• See page 25 for Circuit Boards Location.
(Page 46)
(Page 32)
(Page 31)
(Page 42)
 Ref. No.  Location
• Semiconductor 
Location
 D104 
C-10
 D107 
B-8
 D108 
C-5
 D109 
C-5
 IC102 
B-12
 IC103 
B-5
 IC104 
B-3
 Q101 
C-7
 Q102 
B-5
 Q103 
B-5
 Q104 
B-7
 Q105 
C-7
 Q106 
C-3
 Q107 
C-3
 Q108 
C-3
 Q109 
C-3
Page of 80
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