Kenwood DMC-G7R, Service Manual

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DMC-G7R
TROUBLE SHOOTING
11
Step 1 Test mode STOP state [ T E S T ]
Step 2 BASS button
Step 3 AUTO menu [ A U T O ]
Step 4 SKIP UP button x 8times
(Or SKIP DOWN button x 2 times)
Step 5 Error data indication menu [ E D A T A ]
Step 6 PLAY button
Step 7 Indication of error data 0 [ E 0 ]
Step 8 SKIP UP button
Step 9 Indication of error data 1 [ E 1 ]
Step 10 SKIP UP button
Step 11 Indication of error data 2 [ E 2 ]
Step 12 SKIP UP button
Step 13 Indication of error data 3 [ E 3 ]
Step 14 SKIP UP button
Step 15 Indication of error data 4 [ E 4 ]
Step 16 SKIP UP button
Step 17 Indication of error data 5 [ E 5 ]
Step 18 SKIP UP button
Step 19 Indication of error data 6 [ E 6 ]
Step 20 SKIP UP button
Step 21 Indication of error data 7 [ E 7 ]
Step 22 SKIP UP button
Step 23 Indication of error data 8 [ E 8 ]
Step 24 SKIP UP button
Step 25 Indication of error data 9 [ E 9 ]
Step 26 STOP button
Step 27 Test mode STOP state [ T E S T ]
9. Error data display Mode
Step No. Setting Method Display
Contents Error Code
Error data list
11 Automatic adjustment Gain maximum or error
adjustment judgment NG during adjustment retry in TG, FG
adjustment.
12 Automatic adjustment Out of allowable range
13 Automatic adjustment Servo retry error (4 times) during
adjustment
16 Automatic adjustment TZC error in TG, TB adjustment
(TG, TB measurement value does not change.)
17 Automatic adjustment TEO, FEO allowable range error
21 Focus setting disabled
23 Track search time-over
32 P-TOC read disabled
42 U-TOC read disabled
44 U-TOC write disabled
52 Music data write disabled
71 Pickup position initialization error (Inner switch ON failure)
72 EEPROM read error
73 Record head drive disabled (EJECT operation)
82 Overvoltage detection
91 TEMP over
• Reversing when SKIP DOWN button is pressed
• When the STOP button is pressed while the error data indication menu appears or during error data indication, the mode changes to the
TEST mode stop state.
• Error data 0 is the latest error.
• Error which occurred in the TEST mode is also stored in the memory.
• When the DISP button is pressed while the error data indication menu appears, the error data is initialized. [ C L E A R _ ]
•
: Error Code
Jitter checking method
JITTER MATER
TP145
(EFM) 0.33
560 ohms
100 ohm
-3V
+3V
Tr: 2SC1815
2SC1740
TP141
(GND)
IC101
7 PIN
IC701 20 PIN
IC701 17 PIN
Figure 15
After automatic adjustment is performed in the AUTO mode (low
reflection MD disc use TEST mode), jitter must be less than 32 ns.
7. NORMAL Mode
Step No.
Setting Method Display
Step 1 Test mode STOP state [ T E S T ]
Step 2 BASS button
Step 3 AUTO menu [ A U T O ]
Step 4 SKIP UP button x 6times
(Or SKIP DOWN button x 4 times)
Step No. Setting Method
Display
Step 5 NORMAL menu [ N O R M A L ]
Step 6 PLAY button
Step 7 TOC read [Refer to the
following description.]
Step 8 Hereafter operation in normal mode
• When the STOP button is pressed while the NORMAl menu appears, the mode changes to the TEST mode stop state.
• Indication during operation
Indication of memory capacity on main unit LCD [ ] + Level meter
: TNO
: Internal mode
: Servo state (#3: Slide, #2: Tracking, #1: Spin, #0: Focus)
: Address
LCD remote control [ ] + TNO indication
: Internal mode
: Servo state (#3: Slide, #2: Tracking, #1: Spin, #0: Focus)
: Address
: Memory capacity (graphic indication)
• Selection of sound volume, BASS, etc. is possible (without indication)
• Recording is also possible.
8. Digital input display mode
Step No. Setting Method Display
Step 1 Test mode STOP state [ T E S T ]
Step 2 BASS button
Step 3 AUTO menu [ A U T O ]
Step 4 SKIP UP button x 7times
(Or SKIP DOWN button x 3 times)
Step 5 Digital input indication menu [ D I N M O N ]
Step 6 PLAY button
Step No. Setting Method Display
Step 7 FS code, channel status indication [ C ƒ ƒ ƒƒ ƒƒ ]
Step 8 SKIP UP button
Step 9 U bit indication 1 [ U 1 ]
Step 10 SKIP UP button
Step 11 U bit indication 2 [ U 2 † † ‡ ‡ ]
Step 12 STOP button
Step 13 Test mode STOP state [ T E S T ]
• When the STOP button is pressed while the digital input indication menu appears or during digital input information indication, the mode
changes to the TEST mode stop state.
• In case of analog input or digital input unlocking the indication data is _.
•
ƒ ƒ : Control Code
•
ƒƒƒƒ :
Category code
• : TNO
•
:
INDEX
•
† † :
TIME(min.)
•
‡ ‡ :
TIME(Sec.)
DMC-G7R(k)
COVER(
98.4.24
2:20
PM
y[W
21