Sony HCD-CP1 / HCD-CP1K Service Manual ▷ View online
– 13 –
Playback level Confirmation and Adjustment
Procedure:
Mode: Playback
Mode: Playback
Confirm playback level is within specification values as follows.
If these levels are out of specification values, adjust the RV151
(L-CH) and RV251 (R-CH) on the MAIN board so that the level
meter reading become within specification values.
If these levels are out of specification values, adjust the RV151
(L-CH) and RV251 (R-CH) on the MAIN board so that the level
meter reading become within specification values.
Specification values:
PJ301 PB level: 301.5 to 338.3 mV (–8.2 to –7.2 dB) level differ-
ence between the channels: within ±0.5 dB
PJ301 PB level: 301.5 to 338.3 mV (–8.2 to –7.2 dB) level differ-
ence between the channels: within ±0.5 dB
Adjustment Location: MAIN board
REC Bias Confirmation and Adjustment
Procedure:
1. Mode: Record
1. Mode: Record
2. Mode: Playback
3. Confirm playback the signal recorded in step 1 become speci-
fication values as follows.
If these values are out of specification values, adjust the RV153
(L-CH) and RV253 (R-CH) on the MAIN board to repeat steps
1and 2.
If these values are out of specification values, adjust the RV153
(L-CH) and RV253 (R-CH) on the MAIN board to repeat steps
1and 2.
Specification values: Playback output of 315 Hz to playback out-
put of 10 kHz: ± 0.5 dB
Adjustment Location: MAIN board
+
–
–
set
test tape
WS-48B
(3 kHz, 0 dB)
WS-48B
(3 kHz, 0 dB)
MAIN board
LINE OUT jack (PJ301)
L-CH, R-CH
LINE OUT jack (PJ301)
L-CH, R-CH
frequency counter
REC Level Confirmation and Adjustment
Procedure:
1. Mode: Record
1. Mode: Record
2. Mode: Playback
3. Confirm playback the signal recorded in step 1 become speci-
fication values as follows.
If these values are out of specification values, adjust the RV252
(R-CH) and RV152 (L-CH) on the MAIN board to repeat steps
1 and 2.
If these values are out of specification values, adjust the RV252
(R-CH) and RV152 (L-CH) on the MAIN board to repeat steps
1 and 2.
Specification values:
PJ301 PB level: 47.2 to 53.0 mV (– 24.3 to – 23.3 dB)
PJ301 PB level: 47.2 to 53.0 mV (– 24.3 to – 23.3 dB)
Adjustment Location: MAIN board
– MAIN BOARD (Conductor Side) –
attenuator
set
MAIN board
MD IN jack (PJ301)
L-CH, R-CH
MD IN jack (PJ301)
L-CH, R-CH
1) 315 Hz
2) 10 kHz
2) 10 kHz
50 mV (–23.8 dB)
600
Ω
blank tape
CN-123
CN-123
AF OSC
+
–
–
set
recorded
portion
portion
MAIN board
LINE OUT jack (PJ301)
L-CH, R-CH
LINE OUT jack (PJ301)
L-CH, R-CH
level meter
set
MAIN board
MD IN jack (PJ301)
L-CH, R-CH
315 Hz, 50 mV (–23.8 dB)
MD IN jack (PJ301)
L-CH, R-CH
315 Hz, 50 mV (–23.8 dB)
blank tape
CS-123
CS-123
600
Ω
attenuator
AF OSC
+
–
–
set
recorded
portion
portion
MAIN board
LINE OUT jack (PJ301)
L-CH, R-CH
LINE OUT jack (PJ301)
L-CH, R-CH
level meter
PJ301
Playback Level
REC Bias
REC Level
RV252 (R)
IC352
LINE OUT (L/R)
MD IN (L/R)
VIDEO IN (L/R)
RV152 (L)
RV251 (R)
RV151 (L)
RV151 (L)
RV253 (R)
RV153 (L)
RV153 (L)
HCD-CP1
– 15 –
– 16 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TAPE Section –
05
C
(Page 19)
B
(Page 17)
A
(Page 18)
•
SIGNAL PATH
: TAPE RECORD
: TAPE PLAY
D817
REC-BIAS
REC-MUTE
DOLBY
L-MUTE
REC/PB
MOT-CON
BIAS
R/MUTE
NR-ON
L/M
R/P
(CrO
2
DET)
DECK A/B
SELECT
REC/PB
Q351
REC/PB SWITCHING
IC350
DECK PROCESS,
DOLBY NR AMP
IC352
R-CH
R-CH
L-CH
(RECORD/PLAYBACK)
R-CH
R-CH
N
N/C/M
C
M
4
86
87
88
96
95
19
20
18
25 24 23
17
16
15
35
32
37
41
39
4
8
7
9
(ERASE)
(HALF DET (SIDE-A))
(HALF DET (SIDE-B))
(CASSETTE IN DET)
(HEAD POSITION DET)
Q352
REC/PB
PB-L
REC-L
Q353
Q354
Q356
Q355
PLAYBACK
EQ AMP
IC351
DOLBY NR
AMP
CIRCUIT
BIAS SWITCH
CIRCUIT
RV151
PLAYBACK
LEVEL (L)
RV152
RECORD
LEVEL (L)
33, 34
BIAS
TRAP
CAPSTAN/REEL
MOTOR DRIVE
Q657, 659
TAPE-END
1
T-MODE
6
TC-SW
32
TAPE END DETECT
SENSOR
T150
BIAS OSC
T351
+8V
RECORD
BIAS (L)
BIAS OSC
Q357, 358
REC BIAS
SWITCH
Q359, 360
RV153
RECORD
BIAS (R)
BIAS (R)
RV253
M
(CAPSTAN/REEL)
SOL-CON
5
TRIGGER
PLUNGER DRIVE
Q656, 658
(TRIGGER PLUNGER)
SYSTEM CONTROLLER
IC801 (1/3)
HCD-CP1
– 17 –
– 18 –
6-2.
BLOCK DIAGRAM – MAIN Section –
05
A
(Page 16)
•
SIGNAL PATH
: TAPE RECORD
: TAPE PLAY
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
: TUNER
S901
(DISC TRAY CLOSE DET)
S902
(DISC TRAY OPEN DET)
IN1
TRAY-OPEN
OUT1
TX
TEX
VIDEO-ON
D304
SYSTEM CONTROLLER
IC801 (2/3)
DISC TRAY OPEN/CLOSE
MOTOR DRIVE
IC309
X803
4.332MHz
X802
32.768kHz
RDS DECODER
IC804
CD-DATA/TU-DATA/
SDA
SDA
CD-CLK
CD-LATCH/TU-CE
CD-SENSE1
CD-SENSE2/TU-COUNT
CD-SQSO/RDS-DATA
CD +5V
LIN4
LIN1
INL
R-CH
PJ301 (1/2)
REC-L
B
(Page 16)
PB-L
SDA
SCL
92
93
XTAL1
EXTAL1
X801
4.19MHz
40
13
TRAY-SW 33
5
2
IN2
TRAY-CLOSE
OUT2
15
6
10
39
24
LINE OUT-MUTE 97
HP-CHK 31
AMP-STBY 23
AMP-MUTE 22
1 30
STBY
MUTE
9
10
15
2
10
8
SCK
28
19
CD-SQCK
11
17
CD-MUTE
14
TU-CLK
29
RDS-CLK
2
TUNED
9
16
18
12
CD-SCOR
100
14
LIN3
13
11
LIN2
MOL
16
12
D
(Page 20)
CD ON
L
MD IN
R
L
R
L
R
L
R
R-CH
D302
R-CH
6
LOUT
5
ROUT
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
Q803, 805, 809, 813
CD ON SWITCH
Q806, 808, 812
TUNER ON SWITCH
CD-L-OUT
CD-R-OUT
CD BLOCK
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC301
IN+
3
OUT 14
POWER AMP
IC101
L-CH
3
10
R-CH
TUNER PACK
Q803
R-CH
R-CH
VIDEO IN
MUTING
Q102, 103
LINE AMP
IC307
HEADPHONE
AMP
IC303
MUTING
CONTROL SWITCH
Q317, 318
LED DRIVE
Q853
MUTING
CONTROL SWITCH
Q303, 304
STANDBY ON/OFF
CONTROL SWITCH
Q305, 306
MUTING
CONTROL SWITCH
Q308, 320
MUTING
Q106
MUTING
Q101
VOLUME
CONTROL
CIRCUIT
TONE
CONTROL
CIRCUIT
ATT
MUTING
Q132
OPTICAL
TRANSCEIVER
IC308
CD DIGITAL OUT
OPTICAL
R-CH
PJ301 (2/2)
LINE OUT
J301
PHONES
SJ301
SPEAKER
IMPEDANCE
USE 4⁄16
Ω
D853
MD/VIDEO
+
D-OUT
CD-DATA
CD-CLK
CD-SENSE1
CD-SQCK
CD-MUTE
Q805
CD-LATCH
Q808
DI
9
CK
11
Q806
CE
RDS ON SWITCH
Q816
(AEP, UK)
8
Q812
DO
4
2
16
13
14
4
FM-DET
RDATA
RCLK
XI
XO
MUX
5
TUNED
CD-SCOR
Q813
CD-SENSE2
Q809
CD-SQSO
CD-XRST
CD-XRST
ANTENNA
FM ANT
ANT GND
ANT GND
AM ANT
FM
75
Ω
FM 75
Ω
AM
(US, Canadian)
(AEP, UK, E)
+
+
–
–
M
M901
DISC TRAY
OPEN/CLOSE
INPUT SELECT SWITCH
DET AMP
Q810
HCD-CP1
– 19 –
– 20 –
6-3.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
05
SYSTEM CONTROLLER,
LCD DRIVER
IC801 (3/3)
C
(Page 16)
REC/PB
D
(Page 17)
CD ON
REGULATOR
CONTROL SWITCH
Q311, 312
+12V
REGULATOR
IC306
+5V
REGULATOR
Q310
+8V
REGULATOR
IC304
–8V
REGULATOR
IC305
RECT
D911 – 914
RECT
D907 – 910
RECT
D903 – 906
POWER TRANSFORMER
(MAIN)
T901
VOLTAGE
SELECTOR
S901
LINE
FILTER
LF901
+10V
REGULATOR
Q313
SWITCHING
Q323, 324
AC IN
POWER TRANSFORMER
(SUB)
T902
RY901
B+
B–
+8V
+8V
REGULATOR
IC311
+8V
CD BLOCK, DISC TRAY OPEN/
CLOSE MOTOR DRIVER (IC309) B+
+5V
CD BLOCK B+
+12V
TDA7439 (IC301) B+
+10V
TUNER PACK B+
–8V
AUDIO
CIRCUIT
POWER AMP
(IC101, 201)
D315
REGULATOR
CONTROL SWITCH
Q321, 322
LED DRIVE
Q852
(EXCEPT Hong Kong, Malaysia, Singapore, Thai)
(Hong Kong, Malaysia, Singapore, Thai)
(Hong Kong, Malaysia, Singapore, Thai)
D814
D815
D813
D812
D801, 802
Q655
CD
D852
CD-ON 94
TU-ON 25
TC-ON 98
26
RESET 38
REG-CON
7
+7.5V
REGULATOR
Q314
+5.6V
REGULATOR
IC310
RESET SIGNAL
GENERATOR
IC803
FM 7.5V
FM CIRCUIT B+
B+ SWITCH
Q661, 662
B+ SWITCH
Q653, 654
B+ SWITCH
Q651, 652
LED B+
REGULATOR
CONTROL SWITCH
Q315, 316
RDS-ON 30
LED DRIVE
Q855
TUNER
D855
LED DRIVE
Q854
LED DRIVE
Q856
LED DRIVE
Q858
TAPE
D854
DSG
D856
D858
(DISC TRAY ILLUMINATION)
STANDBY
I/u
D851
D657 – 660
(LCD BACK LIGHT)
BACK UP +5V
SYSTEM CONTROLLER (IC801) B+
Q859
REMOTE CONTROL
RECEIVER
IC802
3
REMOCON
D.S.G.
27
LED DRIVE
Q857
CD SYNC
D857
CD-SYNC
ROTARY
ENCODER
RV801
JOG-A
21
JOG-B
20
36 – 34
SEG0 – SEG31
KEY1 – KEY3
54 – 85
COM0 – COM3
50 – 53
S801 – 822, 824, 825
RV801
VOLUME
LIQUID CRYSTAL
DISPLAY
LCD801
EXCEPT Hong Kong, Malaysia,
Singapore, Thai
Singapore, Thai
CASSETTE HOLDER
BACK LIGHT
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